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Pioneer VSX-918V-S Service Manual
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Pioneer VSX-918V-S Service Manual

Audio/video multi-channel receiver
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3 7 63 1515 0
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-918V-K
VSX-918V-S
VSX-818V-K
VSX-818V-S
TE
L 13942296513
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
VSX-918V-K
MYSXJ5
VSX-918V-S
MYSXJ5
VSX-818V-K
MYSXJ5
VSX-818V-S
MYSXJ5
www
For details, refer to "Important Check Points for good servicing".
.
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION
http://www.xiaoyu163.com
Type
Power Requirement
AC 220 V to 230 V
AC 220 V to 230 V
AC 220 V to 230 V
AC 220 V to 230 V
x
ao
u163
y
i
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
2008
http://www.xiaoyu163.com
2 9
8
PHASE
CONTROL
STANDBY / ON
DIGITAL PRECISION
PROCESSING
DVD
TV
DVR
VIDEO/PORTABLE
CD
CD-R
iPod USB
FM
AM
AUX
INPUT
SELECTOR
iPod DIRECT
MCACC
VIDEO
L
AUDIO R
USB
PORTABLE
PHONES
SOUND
SIGNAL
RETRIEVER
VSB MODE
SPEAKERS
SELECT
VSX-918V-K
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
VSX-918V
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
PHASE
ACOUSTIC
AUTO SURR /
CONTROL
EQ
STREAM DIRECT
STEREO /
ADVANCED
A.L.C.
STANDARD
SURROUND
MASTER
VOLUME
RRV3736
0 5
8
2 9
9 4
2 8
Remarks
m
2008 Printed in Japan
T-ZZK MAR.
9 9
ORDER NO.
9 9

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  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936...

  • Page 2: Safety Information

    PIONEER Service Manual. A subscription to, or additional copies Also test with plug reversed of, PIONEER Ser vice Manual may be obtained at a (Using AC adapter Earth nominal charge from PIONEER. plug as required)

  • Page 3: Vsx-918V-K

    http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 VSX-918V-K http://www.xiaoyu163.com...

  • Page 4: Table Of Contents

    http://www.xiaoyu163.com CONTENTS 3 7 63 1515 0 SAFETY INFORMATION ................................2 1. SERVICE PRECAUTIONS ..............................5 1.1 NOTES ON SOLDERING ...............................5 1.2 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART......................5 2. SPECIFICATIONS .................................6 2.1 SPECIFICATIONS................................6 2.2 PANEL FACILITIES .................................7 3. BASIC ITEMS FOR SERVICE.............................13 3.1 CHECK POINTS AFTER SERVICING..........................13 3.2 JIGS LIST ..................................13 3.3 PCB LOCATIONS .................................14 4.

  • Page 5: Service Precautions

    http://www.xiaoyu163.com 1. SERVICE PRECAUTIONS 3 7 63 1515 0 1.1 NOTES ON SOLDERING • For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit. Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of soldering.

  • Page 6: Specifications

    Accessories due to improvements. u163 Remote control (VSX-918V-K : XXD3166) AM loop antenna FM wire antenna AA size IEC R6 (VSX-918V-S : XXD3167) Microphone (ATB7013) (ADH7030) Dry cell batteries (x2) (VSX-818V-K : XXD3166) (for Auto MCACC setup) (VSX-818K-S : XXD3167)

  • Page 7: Panel Facilities

    http://www.xiaoyu163.com 2.2 PANEL FACILITIES 3 7 63 1515 0 Front panel Illustration shows the VSX-918V model VSX-918V AUDIO/VIDEO MULTI-CHANNEL RECEIVER PHASE ACOUSTIC AUTO SURR / CONTROL STREAM DIRECT PHASE CONTROL STANDBY / ON STEREO / ADVANCED A.L.C. STANDARD SURROUND DIGITAL PRECISION PROCESSING VIDEO/PORTABLE CD-R...
  • Page 8 http://www.xiaoyu163.com 3 7 63 1515 0 PHASE CONTROL Press to switch on/off Phase Control. ACOUSTIC EQ Press to select an Acoustic Calibration EQ setting. 20 Listening mode buttons AUTO SURR/STREAM DIRECT Switches between Auto surround mode (Auto playback on) and Stream Direct playback.
  • Page 9 http://www.xiaoyu163.com Display 3 7 63 1515 0 11 12 40 125 250 4 K 13 K / TUNED SIGNAL indicators Lights when a broadcast is being received. Lights to indicate the type of input signal: AUTO EON / RDS indicators Lights when AUTO signal select is on.
  • Page 10 http://www.xiaoyu163.com Remote control Illustration shows the VSX-918V model RECEIVER CONTROL buttons 3 7 63 1515 0 AUTO/DIRECT Switches between Auto surround mode (Auto playback on) and Stream Direct playback. Direct playback bypasses RECEIVER SOURCE the tone controls for the most accurate INPUT SELECT reproduction of a source.
  • Page 11 TV/DTV Press to turn on/off other components connected to the receiver. Switches between the analog TV and DTV input modes for Pioneer flat screen TVs. 13 RECEIVER Switches the remote to control the receiver Number buttons and other component (used to select the green commands above the controls number buttons (SETUP, etc)).
  • Page 12 Customer Support division for more information on obtaining an SR+ cable (you can also use a commercially available 3- ringed mini phone plug for the connection). • If you connect to a Pioneer flat screen TV using an SR+ cable, you will need to point the remote control at the flat screen TV u163 remote sensor to control the receiver.

  • Page 13: Basic Items For Service

    http://www.xiaoyu163.com 3. BASIC ITEMS FOR SERVICE 3 7 63 1515 0 3.1 CHECK POINTS AFTER SERVICING To keep the product quality after servicing, confirm recommended check points shown below. Procedure Check points Confirm whether the customer complain has The customer complain must not be reappeared. been solved.

  • Page 14: Pcb Locations

    http://www.xiaoyu163.com 3.3 PCB LOCATIONS 3 7 63 1515 0 VSX-918V 5.1CH INPUT ASSY DIGITAL INPUT ASSY VIDEO ASSY COMPONENT VIDEO ASSY FM/AM TUNER UNIT PRIMARY ASSY HDMI&DSP TRANS 2 &USB ASSY ASSY POWER PACK ASSY REGULATOR BIND ASSY ASSY MAIN ASSY TRANS 3 ASSY...
  • Page 15 http://www.xiaoyu163.com VSX-818V 3 7 63 1515 0 5.1CH INPUT ASSY DIGITAL INPUT ASSY VIDEO ASSY COMPONENT VIDEO ASSY FM/AM TUNER UNIT HDMI ASSY PRIMARY ASSY TRANS 2 DSP&USB ASSY ASSY POWER PACK ASSY REGULATOR BIND ASSY ASSY MAIN ASSY TRANS 3 ASSY FRONT IN HEADPHONE...

  • Page 16: Block Biagram

    http://www.xiaoyu163.com 4. BLOCK BIAGRAM 3 7 63 1515 0 4.1 OVERALL WIRING CONNECTION DIAGRAM (VSX-918V) D15A05-125-2651 5/125 ROTARY ENCODER FRONT DISPLAY ASSY ASSY (VSX-918V:XWZ4285) (XWZ4286) FRONT VIDEO ASSY (XWZ4300) XDX3064 2/500 FRONT IN ASSY XDX3054 XDD3200 3/300 (XWK3366) 1905 CN951 CN953 CN956 XXM3012...
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 B*B-PH-K-S PH CONNECTOR B*B-EH EH CONNECTOR D15A03-100-2651 POWER KEY ASSY 1.0mm FFC (VSX-918V:XWZ4288) 3/100 1.25mm FFC 1.25mm REVERSE FFC JOG ASSY 2.0mm FLAT CABLE D15A03-100-2651 (XWZ4289) 1.5mm FLAT CABLE 3/100 BOARD IN 1.0mm FFC CONNECTOR HEAD PHONE ASSY 1.25mm FFC CONNECTOR(L) (XWZ4321)

  • Page 18: Overall Wiring Connection Diagram (Vsx-818V)

    http://www.xiaoyu163.com 4.2 OVERALL WIRING CONNECTION DIAGRAM (VSX-818V) 3 7 63 1515 0 D15A05-125-2651 5/125 ROTARY ENCODER FRONT DISPLAY ASSY ASSY (VSX-818V:XWZ4284) (XWZ4286) FRONT VIDEO ASSY (XWZ4300) XDX3064 2/500 FRONT IN ASSY XDX3054 XDD3200 3/300 (XWK3366) 1905 CN953 CN951 CN956 XXM3012 17/110 1902 1904...
  • Page 19 http://www.xiaoyu163.com 3 7 63 1515 0 B*B-PH-K-S PH CONNECTOR B*B-EH EH CONNECTOR D15A03-100-2651 POWER KEY ASSY 1.0mm FFC (VSX-818V:XWZ4287) 3/100 1.25mm FFC 1.25mm REVERSE FFC JOG ASSY 2.0mm FLAT CABLE D15A03-100-2651 (XWZ4289) 1.5mm FLAT CABLE 3/100 BOARD IN 1.0mm FFC CONNECTOR HEAD PHONE ASSY 1.25mm FFC CONNECTOR(L) (XWZ4321)

  • Page 20: Block Diagram (Vsx-918V)

    http://www.xiaoyu163.com 4.3 BLOCK DIAGRAM (VSX-918V) 3 7 63 1515 0 (For Setup) BLOCK DIAGRAM FOR VSX-918V TUNER MODULE FRONT AUDIO IN MAIN ASSY VCR/DVR TV/SAT DVD/LD VIDEO(Front) CD-R/TAPE IC105 AK4626AVQ (FL/FR) (CODEC) CD-R OUT (ADC) (DAC) VCR/DVR OUT IC103 (SL/SR) AK4114VQ (DIR) USB A-TYPE...
  • Page 21 http://www.xiaoyu163.com 3 7 63 1515 0 HEAD PHONE ASSY : VIDEO SIGNAL FLOW 1551 : AUDIO SIGNAL FLOW Q1551 EVOL/SELECTOR A. MUTE IC108 CN702 BD3474KS2 IC601 (1/2) IC603 (2/3) CN110 CN704 RY751 (FL/FR) 30dB Tone Q601 FL/FR FUNCTION 9.5dB SELECTOR A.

  • Page 22: Block Diagram (Vsx-818V)

    http://www.xiaoyu163.com 4.4 BLOCK DIAGRAM (VSX-818V) 3 7 63 1515 0 (For Setup) BLOCK DIAGRAM FOR VSX-818V TUNER MODULE FRONT AUDIO IN MAIN ASSY VCR/DVR TV/SAT DVD/LD VIDEO(Front) CD-R/TAPE IC105 AK4626AVQ (FL/FR) (CODEC) CD-R OUT (ADC) (DAC) VCR/DVR OUT IC103 (SL/SR) AK4114VQ (DIR) USB A-TYPE...
  • Page 23 http://www.xiaoyu163.com 3 7 63 1515 0 HEAD PHONE ASSY : VIDEO SIGNAL FLOW 1551 : AUDIO SIGNAL FLOW Q1551 EVOL/SELECTOR A. MUTE IC108 CN702 BD3474KS2 IC601 (1/2) IC603 (2/3) CN110 CN704 RY751 (FL/FR) 30dB Tone Q601 FL/FR FUNCTION 9.5dB SELECTOR A.

  • Page 24: Dsp Block Diagram

    http://www.xiaoyu163.com 4.5 DSP BLOCK DIAGRAM 3 7 63 1515 0 Block Diagram (DSP portion) DSP&USB ASSY (VSX-818V : AWX9164) PQ1LAX95MSPQ PQ1LAX95MSPQ HDMI&DSP&USB ASSY 1.25V 3.3V (VSX-918V:AWX8977) Analog 2ch in Analog 6ch OUT CODEC IC301 AK4626AVQ AWX8977 X261 AWX8979 Lip Sync AWX9162 AWX9163 24.576MHz...

  • Page 25: Hdmi Block Diagram

    http://www.xiaoyu163.com 4.6 HDMI BLOCK DIAGRAM 3 7 63 1515 0 VSX-918V HDMI&DSP&USB ASSY HDMI Block Diagram 28.322 MHz JA701 JA601 HDMI OUT HDMI IN1 TMDS TMDS TMDS HSYNC, VSYNC, DE IC701 D[0-23] HDMI TRANSMITTER IC632 IC631 IC611 IC651 JA602 EDID HDMI RECEIVER HDMI CABLE HDMI IN2...

  • Page 26: Usb Block Diagram

    http://www.xiaoyu163.com 4.7 USB BLOCK DIAGRAM 3 7 63 1515 0 Block Diagram (USB portion) DSP&USB ASSY (VSX-818V : AWX9164) HDMI&DSP&USB ASSY (VSX-918V:AWX8977) V5 Receiver V5DU IC471 LOAD V+1R8U V+3DU V3D (DSP) SW IC Q401 IC402 1.8V REG USB POWER BUS Power cnt. Protection flag XFLAG System...

  • Page 27: Diagnosis

    http://www.xiaoyu163.com 5. DIAGNOSIS 3 7 63 1515 0 5.1 DIAGNOSIS FLOWCHART [1] DSP TROUBLESHOOTING Troubleshooting for all destination • When a sound is not out in the multi-CH signal playback mode or surround mode with the COAX, OPT, USB or HDMI input. (SurroundBack is not output by setting.) •...
  • Page 28 http://www.xiaoyu163.com Step 7 Step 5: 5 V to 3 V conversion 3 7 63 1515 0 When the COAX, OPT or USB is input, go to Step 7-1. IC331 When the HDMI is input, go to Step 7-2. Step 7-1: DIR Check that the S/PDIF signal is output.
  • Page 29 http://www.xiaoyu163.com Step 7-2 (AWX9162 only) 3 7 63 1515 0 Check that the data and clock signals are output. DIRB (Bit clock) IC101 (Pin 26) S2DT (data) IC171 (Pin 4) Is there Is there a bit clock Replace IC101. a data output? output? (0 V ⇔...
  • Page 30 http://www.xiaoyu163.com Step 8: DSP output (digital) Step 9: LIPSYNC output (Digital) (AWX9162 only) 3 7 63 1515 0 Check that the data and clock signals are output. Digital output of each CH when inputting the digital signal with audio. LSLK (LR clock) IC271 (Pin 31) Center/LFE data IC201 (Pin 5)
  • Page 31 http://www.xiaoyu163.com Step 10: Codec output (analog) 3 7 63 1515 0 Analog output of each CH when inputting the digital signal with audio. IC301 (Pin 23) Center out Analog output of each CH when inputting the digital signal (-∞ dB (no audio)). Center out IC301 (Pin 23) Is there...
  • Page 32 http://www.xiaoyu163.com Troubleshooting in the MCACC mode 3 7 63 1515 0 • When the MCACC mode is turned on (SurroundBack is not output by setting.) • Suppose CR to be normal contact and that is not damaged. • This shows failure analysis of DSP Block. Step 3: Regulator IC Step 0: Preliminary confirmation Confirm the following items before checking...
  • Page 33 http://www.xiaoyu163.com Step 5: 5 V to 3 V conversion Step 7: ROM 3 7 63 1515 0 IC251 (Pin 1) IC331 IC251 (Pin 2) SO (DATA out) SI (DATA in) IC251 (Pin 5) SCK (Clock in) IC251 (Pin 6) convert 5 V into Replace IC331.
  • Page 34 http://www.xiaoyu163.com Step 9: CODEC output (analog) 3 7 63 1515 0 Analog output when indicated each CH. Center out IC301 (Pin 23) Is there Replace IC301. a data output? LFE out IC301 (Pin 24) Is there Replace IC301. a data output? Surround L out IC301 (Pin 25) Is there...
  • Page 35 http://www.xiaoyu163.com [2] USB TROUBLESHOOTING 3 7 63 1515 0 Description of Error Indications FL Display Error Content Possible causes and actions to be taken Overcurrent (500 mA or more) is consumed at the connected USB device. • Some USB devices, such as a portable HDD, need more current than that USB ERROR1 Detection of overcurrent to a USB device this unit supplies.
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 iPod Error Message When the abnormality occurred, the error messages are indicated. OSD display key sequence change FL display Error I1 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 Communication Error i P o d When the communication is not possible normally.
  • Page 37 http://www.xiaoyu163.com USB Troubleshooting 3 7 63 1515 0 * VSX-918V (AWX8977) ** VSX-818V (AWX9164) Step 1: Connectors CN401, CN1, CN2, CN3*, CN7** Q401 (emitter) 3.3 V Local switch Insert the connectors the connectors securely inserted securely. Check the parts and the voltage patterns in the path.
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 IC331 (pin 14) 5 V to 3 V Converter Check the parts and the voltage patterns in the path. 3.3 V ? IC401 (pins 16, 33, 64, 76, 112) USB Media control IC Check the parts and the voltage patterns in the path.
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 Step 3: Operation of USB Media control IC Note: Please confirm it with the USB memory*1 connected for the content. *1 iPod : This system is compatible with the audio of the following portable device in Jan. 2008. IC401 (pins 74,75) XIN/XOUT 5G iPod, iPod nano, iPod nano 2G, iPod nano 3G,...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 Step 4: Operation of iPod (Authentication process) Note: Please confirm it with connecting the iPod. IC481 (pins 7, 15) CPCK, CPDT (I2C between IC401 and IC481) When CPDT and CPCK are Does CPRESET Check the path between normal operation = High (3.3V).
  • Page 41 http://www.xiaoyu163.com [3] HDMI TROUBLESHOOTING 3 7 63 1515 0 HDMI Simple Diagnosis (VSX-918V) 1. Causes for noncompletion of HDMI authentication between the source equipment and this unit (the HDMI indicator is unlit or flashes) Replace the HDMI cable. Replace the HDMI cable. Replace the Receiver.
  • Page 42 http://www.xiaoyu163.com HDMI Troubleshooting (VSX-818V) 3 7 63 1515 0 Diagnosis • This shows failure analysis of the HDMI Assy. Step 2-1: CE Preparation CN1001 (Pin 1) Step 1-1: Screws on the rear panel JA101 COAXIAL jack Is the voltage Diagnose the MAIN Assy. "H"...
  • Page 43 http://www.xiaoyu163.com 3 7 63 1515 0 Step 2-3: Input selection Step 2-5: SDA/SCL SELA CN1001 (Pin 5) SDA (HDMI OUT) IC102 (Pin 7) Is the voltage "L" when selecting IN1? Does Diagnose the MAIN Assy. Check the JA301 and IC102. And is the voltage "H"(5V) a signal output in when selecting...
  • Page 44 http://www.xiaoyu163.com 3 7 63 1515 0 * When connected the source equipment to IN2; IC101 (Pin 45) SDA (HDMI IN2) there a same Check the IC101 and JA102. signal as IC102-pin 7 If IC101 or JA102 is failure, when selecting replace IC101 or JA102.

  • Page 45: Detection Circuit

    http://www.xiaoyu163.com 5.2 DETECTION CIRCUIT 3 7 63 1515 0 1. DC Derection Circuit Diagram : Example of VSX-918V/KUXJ/CA R788 POWER PACK ASSY IC603(2/3) POWER AMP R628 D+5V MAIN ASSY MAIN ASSY IC601(1/2) R694 R726 IC9001 IC9001 IC603(3/3) DC DT (U-P) (U-P) Pin72 Pin72...
  • Page 46 http://www.xiaoyu163.com 4. XPROTECT Detection Circuit Diagram 3 7 63 1515 0 When below 6 kind of voltage supply become to be short circuit to GND, XPROTECT circuit work and U-P input port voltage change from +5 V to 0 V. The U-P detect this condition as ERROR.

  • Page 47: Amplifier System Protection Operation Specification

    http://www.xiaoyu163.com 5.3 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION 3 7 63 1515 0 1. DC-abnormality detection DC detection is only enabled 2 seconds after power-on. If there is a fault in the power amplifier or a high-level signal lower than 5 Hz is input, the DC_DET port becomes “L”.
  • Page 48 http://www.xiaoyu163.com 3. XPROTECT detection 3 7 63 1515 0 XPROTECT is started to be monitored 200msec after power on. XPROTECT port is checked every 20msec. If Low level (ERROR) is recognized during consecutive 9 times, micon judge it as XPROTECT ERROR. It processes more preferentially than DC abnormal detection and overload detection.

  • Page 49: Service Mode

    http://www.xiaoyu163.com 6. SERVICE MODE 3 7 63 1515 0 There is no information to be shown in this chapter. L 13942296513 u163 VSX-918V-K http://www.xiaoyu163.com...

  • Page 50: Disassembly

    http://www.xiaoyu163.com 7. DISASSEMBLY 3 7 63 1515 0 Note 1: Even if the unit shown in the photos and illustrations in this manual may differ from your product, the procedures described here are common. Note 2: For performing the diagnosis shown below, the following jigs for service are required: •...
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0 For VSX-818V HDMI Assy Remove the three screws. Remove the one screw. Release the PCB holder. Remove the HDMI Assy. Release the PCB holder. Disconnect the two connectors. Remove the DSP&USB Assy. Rear view DSP&USB Assy POWER PACK Assy Connect the two extension jig cables.
  • Page 52 http://www.xiaoyu163.com Diagnosis of the Unit 3 7 63 1515 0 Caution: Heatsink section in work becomes hot, and be careful with it. Remove the bonnet by removing the six screws. Remove the two screws. Remove the one screw. PRIMARY Assy Remove the two screws.
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0 Arrange the unit as shown in the photo below. Rear panel HDMI Assy HDMI&DSP&USB Assy (VSX-918V) DSP&USB Assy MAIN Assy POWER PACK Assy VSX-818V Heatsink Do not lift the unit in this state. L 13942296513 Be careful with it so that a part of PRIMARY Assy does not touch chassis.
  • Page 54 http://www.xiaoyu163.com Disassembly 3 7 63 1515 0 Front Panel Section Caution: Heatsink section in work becomes hot, and be careful with it. Remove the bonnet by removing the six screws. Remove the five screws. Remove the two screws. Unhook the two hooks. L 13942296513 Remove the front panel section.

  • Page 55: Each Setting And Adjustment

    http://www.xiaoyu163.com 8. EACH SETTING AND ADJUSTMENT 3 7 63 1515 0 8.1 HOW TO UPDATE FIRMWARE USB Firmware Update [Purpose] Refer to this section when updating the USB firmware is required by the service information, etc. It is able to update the USB firmware by using USB flash memory. [Necessary Tools] •...

  • Page 56: Exploded Views And Parts List

    http://www.xiaoyu163.com 9. EXPLODED VIEWS AND PARTS LIST 3 7 63 1515 0 NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 57 Packing Case See Contrast table (2) Sub Pad XHA3179 NSP 15 DS Tape XEH3001 (2) CONTRAST TABLE VSX-918V-K/MYSXJ5, VSX-918V-S/MYSXJ5, VSX-818V-K/MYSXJ5 and VSX-818V-S/MYSXJ5 are constructed the same except for the following: VSX-918V-K/ VSX-918V-S/ VSX-818V-K/ VSX-818V-S/ Mark No. Symbol and Description MYSXJ5...

  • Page 58: Exterior Section

    http://www.xiaoyu163.com 9.2 EXTERIOR SECTION 3 7 63 1515 0 Refer to "9.3 REAR PANEL SECTION". L 13942296513 VSX-918V Only Cleaning paper : GED-008 u163 Refer to VSX-818V Only "9.4 FRONT PANEL SECTION". VSX-918V-K http://www.xiaoyu163.com...
  • Page 59 Chassis 918 XNA3060 L 13942296513 H/S Angle V3 XNG3145 NSP 25 H/Sink V5 XNH3048 (2) CONTRAST TABLE VSX-918V-K/MYSXJ5, VSX-918V-S/MYSXJ5, VSX-818V-K/MYSXJ5 and VSX-818V-S/MYSXJ5 are constructed the same except for the following: VSX-918V-K/ VSX-918V-S/ VSX-818V-K/ VSX-818V-S/ Mark No. Symbol and Description MYSXJ5...

  • Page 60: Rear Panel Section

    http://www.xiaoyu163.com 9.3 REAR PANEL SECTION 3 7 63 1515 0 MAIN L 13942296513 CN105 TRANS 1 MAIN CN105 TRANS 2 MAIN CN1201 CN103 MAIN CN129 POWER PACK FRONT VIDEO CN803 CN901 u163 VSX-918V-K http://www.xiaoyu163.com...
  • Page 61 • • • • • Cord Stopper CM-22B • • • • • NSP 15 Binder (BK-1) ZCA-BK1 (2) CONTRAST TABLE VSX-918V-K/MYSXJ5, VSX-918V-S/MYSXJ5, VSX-818V-K/MYSXJ5 and VSX-818V-S/MYSXJ5 are constructed the same except for the following: VSX-918V-K/ VSX-918V-S/ VSX-818V-K/ VSX-818V-S/ Mark No. Symbol and Description...

  • Page 62: Front Panel Section

    http://www.xiaoyu163.com 9.4 FRONT PANEL SECTION 3 7 63 1515 0 POWER PACK CN702 MAIN CN101 VSX-918V Only (2/2) L 13942296513 (1/2) HDMI&DSP&USB CN401 (VSX-918V) DSP&USB CN401 (VSX-818V) VIDEO CN354 MAIN CN107 u163 VSX-918V-K http://www.xiaoyu163.com...
  • Page 63 See Contrast table (2) VOL Knob V5 See Contrast table (2) STANDBY BTN Assy See Contrast table (2) (2) CONTRAST TABLE VSX-918V-K/MYSXJ5, VSX-918V-S/MYSXJ5, VSX-818V-K/MYSXJ5 and VSX-818V-S/MYSXJ5 are constructed the same except for the following: VSX-918V-K/ VSX-918V-S/ VSX-818V-K/ VSX-818V-S/ Mark No.

  • Page 64: Schematic Diagram

    http://www.xiaoyu163.com 10. SCHEMATIC DIAGRAM 3 7 63 1515 0 10.1 MAIN ASSY (1/3) V+12 GNDA C123 R101 10/50 STBY GNDA R102 C124 GNDA 10/50 D332 R129 GNDA C121 UDZS6R8(B) 10/50 (CHASSIS) C151 0.01 R130 GNDA C122 R147 C180 10/50 V-12 0.01 C127 R105...
  • Page 65 http://www.xiaoyu163.com 3 7 63 1515 0 V+12 C247 MAIN ASSY Low Pass Filter 330p CH IC103 (1/2) R232 NJM4565MD STBY (VSX-918V:XWK3363) (SL) R245 R247 C241 R243 (VSX-818V:XWK3359) STBY 3.3K 3.3K 2.2/50 C249 R257 SLIN1 (SL) STBY STBY R251 R253 STBY 1.8K NOTES: NO INDICATED PARTS IS..

  • Page 66: Main Assy (2/3)

    http://www.xiaoyu163.com 10.2 MAIN ASSY (2/3) 3 7 63 1515 0 PRE-AMP R467 R321 IC310 V+12 STBY STBY (FL) (FL) C321 R303 (FLOUT) (2/2) (FL) C325 STBY (FR) R304 22/50 (FROUT) (SL) R457 STBY R305 (SLOUT) C323 STBY R306 (SR) (SROUT) C324 STBY R458...
  • Page 67 http://www.xiaoyu163.com 3 7 63 1515 0 MAIN ASSY (VSX-918V:XWK3363) TO MAIN ASSY (VSX-818V:XWK3359) ( TO MAIN ASSY 3/3 ) (SBL) (SB) GNDA (SL) (SL) GNDA (FL) (FL) GNDA (SR) GNDA (FR) AMUTE AMUTE CN704 F-DRIVE F-DRIVE DCDT DCDT XPROTECT XPROTECT OLDT OLDT 6 OHM...

  • Page 68: Main Assy (3/3)

    http://www.xiaoyu163.com 10.3 MAIN ASSY (3/3) 3 7 63 1515 0 ASS7004 D+5V 4.332MHz TO HDMI SWITCHER MODULE VSX-818V CN1001 X5001 R5010 CN103 GNDU 52044-1145 CHASSIS (RCA Jack) T_CE TUNER CE R5001 IC5001 T_DI TUNER DI R5002 LC72725KM T_CLK TUNER CLK R5003 C5010 R5004...
  • Page 69 http://www.xiaoyu163.com 3 7 63 1515 0 MAIN ASSY TO FRONT DISPLAY ASSY CN401 (VSX-918V:XWK3363) (VSX-818V:XWK3359) SIMUKE For μ-P R9026 R9024 R9023 R9025 D+5V MICDET VSX-818V/MYSXJ5 VSX-918V/MYSXJ5 3.3K D9007 D9006 DAN217U DAN217U STBY+5V GNDU 6_OHM C9012 R9034 STBY STBY VSX- 918V only R9027 HD DI...

  • Page 70: Dsp & Usb Assy (1/4)

    http://www.xiaoyu163.com 10.4 DSP & USB ASSY (1/4) 3 7 63 1515 0 DSP & USB ASSY (VSX-818V:AWX9164) R113 AWX8979 Except AS below AWX9163 North America L104 JA101 AWX9164 C113 VKB1159-A COAX 0.01u/16 R110 V3D1 TP115 L103 GNDD VKN1374-A TP101 R108 DIRERR3 TP102 DIRCS...
  • Page 71 http://www.xiaoyu163.com 3 7 63 1515 0 DIRD DIRL S1DT DIRB S1LR DIRM S1BC S1MC L171 C171 V3D5 HDMI C172 DIR/XM R171 R173 S1DT S1LR S2DT S1BC S2LR S1MC S2BC S2MC L 13942296513 R172 IC171 R174 Switch for HDMI GNDD TP180 L181 C181 V3D6...

  • Page 72: Dsp & Usb Assy (2/4)

    http://www.xiaoyu163.com 10.5 DSP & USB ASSY (2/4) 3 7 63 1515 0 DSP & USB ASSY (VSX-818V:AWX9164) V3D8 V1R2 V3D9 TP206 TP203 IC202 TC7WH125FU TP204 R232 R235 GNDD R233 V3DA R234 C231 C252 0.1u/10 C232 C251 0.1u/10 IC251 TP256 GNDD PDC172A8 R251 HOLD#...
  • Page 73 http://www.xiaoyu163.com 3 7 63 1515 0 AWX8979 AWX9163 only LCKO LSLK *R282 BCKO *R283 LSBK FDTO LSFD LSSD SDTO CDTO LSCD BDTO LSBD *R284 V3DD AWX9164 only *L271 C276 QTL1013-A *C275 0.1u/10 *IC271 ML87V5002 *R271 VSS1 VCC3 *R281 LSLK MCK3 SYSCLK LRCK0 LCKO...

  • Page 74: Dsp & Usb Assy (3/4)

    http://www.xiaoyu163.com 10.6 DSP & USB ASSY (3/4) 3 7 63 1515 0 DSP & USB ASSY (VSX-818V:AWX9164) 5V -> 3V 3V -> 5V Level shifter Level shifter for XM,USB for DSP,DIR,XM,USB V3DF V5D2 V5D3 R345 IC351 IC331 TC74VHCT541AFTS1 TC74VHC08FTS1 Q341 RT1N241M-TLB R336 GNDD...
  • Page 75 http://www.xiaoyu163.com 3 7 63 1515 0 XMLSDP3 TP347 XMDO3 TP346 XMDI3 TP345 XMRST3 TP344 XMMUT3 TP343 XMLNK3 TP342 XMANT3 TP340 USBDAO3 TP339 XMFS3 TP338 DIRERR3 TP337 DSPHRQ3 TP336 DECMUT3 TP335 DIRDO3 TP334 DSPBSY3 TP333 DSPDO3 TP332 1/4,2/4 V1R2 PQ1LAX95MSPQ PQ1LAX95MSPQ TP64 TP13 TP11...

  • Page 76: Dsp & Usb Assy (4/4)

    http://www.xiaoyu163.com 10.7 DSP & USB ASSY (4/4) 3 7 63 1515 0 DSP & USB ASSY (VSX-818V:AWX9164) V+3DU R441 V5USB CN401 AKM1275-A TP401 L441 TP405 VTL1169-A V5USB TP402 R446 USBH_D-T L442 TP403 VTH1043-A R447 USBH_D+T TP404 R499 R497 L443 C442 V+3DU V18D V+1R8U...
  • Page 77 http://www.xiaoyu163.com 3 7 63 1515 0 BOOT MODE TP535 TP534 TP533 GNDD C415 0.1u/10 C416 V+3DU VEF1040-A JH501 470p/50 L481 R409 4.7k QTL1013-A X481 ASS1172-A 32.768kHz C482 5p/50 GNDD VCC1 NC12 NC11 C483 XOUT NC10 C413 5p/50 CLOCK_ENAB NC9 27 CLOCK R481 10p/50...

  • Page 78: Power Pack (1/2) And Trans2 Assys

    http://www.xiaoyu163.com 10.8 POWER PACK (1/2) and TRANS2 ASSYS 3 7 63 1515 0 POWER PACK ASSY Q606 D+5V D608 IC601: 2SC2240 (GRBL) R620 POWER AMP (XWZ4326) 1SS133 (2ch POWER PACK) XPROTECT (FR) C606 R602 4.7/50 R622 IC601(1/2) R628 PAC014A 0.22 Q602 ACN7094 R604...
  • Page 79 http://www.xiaoyu163.com 3 7 63 1515 0 R709 R701 R703 R707 R709 R721 CAUTION : FOR CONTINUED PROTECTION AGAINST R702 R704 R708 R710 R722 Q701 RISK OF FIRE. REPLACE ONLY WITH 4.7K 3.9K 180K IC701 /MYSXJ5 2SC5511(E) SAME TYPE NO. ICP-N10, MFD BY ROHM CO., LTD.

  • Page 80: Power Pack Assy (2/2)

    http://www.xiaoyu163.com 10.9 POWER PACK ASSY (2/2) 3 7 63 1515 0 : Audio Signal Route (L ch) (FL) : Audio Signal Route (Front L ch) (SL) : Audio Signal Route (Surround L ch) : Audio Signal Route (Center ch) (SW) : Audio Signal Route (SubWoofer ch) POWER PACK ASSY (XWZ4326)
  • Page 81 http://www.xiaoyu163.com 3 7 63 1515 0 V+7D 2SD1858X(QR) STBY Q810 CN808 V+5D1 V+5D2 V+7H XPROTECT STBY D+5.0V REG.IC D+5V IC805 NJM2831F05 D900 5.0V MTZJ7.5B Q807(1/2) Q807(2/2) DGRTN RT3P22M RT3P22M Q808(1/2) DGRTN RT3N22M DGRTN Q808(2/2) DGRTN RT3N22M DGRTN DGRTN DGRTN R1109 +12V AD+5V REG IC AD+5V...

  • Page 82: Component Video, 5.1Ch Input And Trans3 Assys

    http://www.xiaoyu163.com 10.10 COMPONENT VIDEO, 5.1CH INPUT and TRANS3 ASSYS 3 7 63 1515 0 JA551 V+5.6V XKB3025 C569 C570 COMPO CN551 0.047 0.047 9604S-07C IC551 V+5.6V TC74HC4052AF (Cb) GNDV V-5.6V YCOM ONLY for XCOM VIDEO B C567 818, 918 518/J VIDEO A 0.01 (Cr)
  • Page 83 http://www.xiaoyu163.com 3 7 63 1515 0 5.1CH INPUT ASSY (XWZ4341) R1012 C1021 4.7/50 C1022 (SW) R1011 4.7/50 C1012 CHASSIS 0.01 R1003 C1009 (SL) CN307 4.7/50 52044-0745 L 13942296513 (SL) : Audio Signal Route (Surround L ch) R1004 C1010 : Audio Signal Route (Center ch) (SW) 4.7/50 : Audio Signal Route (SubWoofer ch)

  • Page 84: Front Display, Rotary Encoder, Power Key And Jog Assys

    http://www.xiaoyu163.com 10.11 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS 3 7 63 1515 0 ROTARY ENCODER D15A05-125-2651 FRONT DISPLAY ASSY ASSY (XWZ4286) (VSX-918V:XWZ4285) (VSX-818V:XWZ4284) 51063-0505 51063-0505 PHASE GNDU S502 KEY3 KEY 3 VSG1024 V401 GNDU MCACC (XAV3038) XAV3037 S503 VSG1024 13 14...
  • Page 85 http://www.xiaoyu163.com 3 7 63 1515 0 NOTE 1.RESISTORS Unit: k-kΩ, M-MΩ or Ω unless otherwise noted. Rated power: 1/16W unless otherwise noted. Tolerance: (J) 5% unless otherwise noted. 2.CAPACITORS POWER KEY ASSY Unit: p-pF or μF unless otherwise noted. Ratings: Capacity(μF)/Voltage(V) unless otherwise noted. (VSX-918V:XWZ4288) Rated Voltage: 50V expect for electrolytic capacitors.

  • Page 86: Digital Input, Regulator And Head Phone Assys

    http://www.xiaoyu163.com 10.12 DIGITAL INPUT, REGULATOR and HEAD PHONE ASSYS 3 7 63 1515 0 JA1900 R1900 GP1FAV51RKBF CN1904 C1900 STBY OPT_OUT L 13942296513 GNDD GNDD JA1901 OPT3 R1901 CN1903 GP1FAV51RKBF GNDD VKN1181 GNDD C1901 OPT2 GNDD V+5D OPT1 JA1902 CN1902 GP1FAV51TK0F R1902 B5B-PH-K-S...
  • Page 87 http://www.xiaoyu163.com 3 7 63 1515 0 IC809 W380 NJM2389F R802 STBY XDX3066 IC807 5.0V CN800 W378 52147-1110 R818 STBY V+5D1 V+5D2 GNDD DREG INPUT IC808 5.0V DREG INPUT GNDD REG B+ REG G GNDD REG B- R801 -12V IC801: 330/3W +12V REG.IC IC801 18.5V...

  • Page 88: Video, Primary And Front Video Assys

    http://www.xiaoyu163.com 10.13 VIDEO, PRIMARY and FRONT VIDEO ASSYS 3 7 63 1515 0 QTL1013 VSX-918V ONLY L303 L304 SR IN JA351 L306 XKN3015 L305 SR IN SR PLUS SR OUT L302 JA352 VKB1243 Q301, Q302 RIPPLE FILTER V+5_6VS SR OUT FOR VIDEO FUNC.
  • Page 89 http://www.xiaoyu163.com 3 7 63 1515 0 AKC-081 Power 27 1/2W Transformer PRIMARY ASSY (XWZ4302) W290 W291 51048-0400 GNDU AC RY RT1N431M AC WUP ST+5V 1SR139-400-T 5.0V 3.3k W276 NJM78L05UA 12.2V IC52 IC51 D20PYY0410E STBY W286 W287 DF06SA CN51 XTF3004 RKP1751 LIVE FUSE1 GNDU...

  • Page 90: Front In Assy

    http://www.xiaoyu163.com 10.14 FRONT IN ASSY 3 7 63 1515 0 FRONT IN ASSY (XWZ3366) JA953 R979 XKP3086- L971 STBY R969 STBY L970 ATH7015 R970 L972 STBY STBY R980 C971 STBY GNDD R985 STBY R987 STBY IC952 C967 (MIC) 10/50 Audio/ MIC IN JA952 L 13942296513...
  • Page 91 http://www.xiaoyu163.com 3 7 63 1515 0 CN953 B4B-PH-K-S V5 USB GNDD IC951 (2/2) IC951 (1/2) NJM4565MD NJM4565MD R954 R961 R962 C968 100 10/50 R967 R959 CN956 CN956 9604S-09C 9604S-11C MCACC SW L 13942296513 C964 C965 MICOUT MICSW R972 MIC AMP GNDA D951 UDZS5R1(B)

  • Page 92: Hdmi & Dsp & Usb Assy (1/5)

    http://www.xiaoyu163.com 10.15 HDMI & DSP & USB ASSY (1/5) 3 7 63 1515 0 HDMI & DSP & USB ASSY (VSX-918V:AWX8977) AWX8977 Except as below R113 AWX9162 North America L104 JA101 C113 VKB1159-A COAX 0.01u/16 R110 V3D1 TP115 L103 GNDD VKN1374-A TP101 DIRERR3...
  • Page 93 http://www.xiaoyu163.com 3 7 63 1515 0 To HDMI Block TP161 HMCK TP162 HBCK TP163 TP164 HFDT TP165 DIRD CDTI DIRL TP166 S1DT SDTI TP167 DIRB S1LR BDTI DIRM TP168 S1BC S1MC L171 HDMI C171 V3D5 TP169 HDDO DIR/XM 0.1u/10 QTL1013-A C172 TP170 C173...

  • Page 94: Hdmi & Dsp & Usb Assy (2/5)

    http://www.xiaoyu163.com 10.16 HDMI & DSP & USB ASSY (2/5) 3 7 63 1515 0 HDMI & DSP & USB ASSY (VSX-918V:AWX8977) V3D8 V1R2 V3D9 TP206 TP203 IC202 TC7WH125FU TP204 R232 R235 GNDD R233 V3DA R234 C231 C252 0.1u/10 C232 C251 0.1u/10 IC251 TP256...
  • Page 95 http://www.xiaoyu163.com 3 7 63 1515 0 LCKO R282 LSLK BCKO LSBK R283 FDTO LSFD SDTO LSSD CDTO LSCD BDTO LSBD R284 V3DD L271 QTL1013-A C276 C275 0.1u/10 IC271 ML87V5002 R271 VSS1 VCC3 LSLK R281 MCK3 SYSCLK LRCK0 LCKO R280 LSBK LRCKI0 BCK0 BCKO...

  • Page 96: Hdmi & Dsp & Usb Assy (3/5)

    http://www.xiaoyu163.com 10.17 HDMI & DSP & USB ASSY (3/5) 3 7 63 1515 0 HDMI & DSP & USB ASSY (VSX-918V:AWX8977) 5V -> 3V 3V -> 5V Level shifter Level shifter for XM,USB for DSP,DIR,XM,USB V3DF V5D2 V5D3 R345 IC331 IC351 TC74VHC08FTS1 TC74VHCT541AFTS1...
  • Page 97 http://www.xiaoyu163.com 3 7 63 1515 0 XMLSDP3 TP347 XMDO3 TP346 XMDI3 TP345 XMRST3 TP344 XMMUT3 TP343 XMLNK3 TP342 XMANT3 TP340 USBDAO3 TP339 XMFS3 TP338 DIRERR3 TP337 DSPHRQ3 TP336 DECMUT3 TP335 DIRDO3 TP334 DSPBSY3 TP333 DSPDO3 TP332 1/5,2/5 V1R2 PQ1LAX95MSPQ PQ1LAX95MSPQ TP64 L 13942296513 TP13...

  • Page 98: Hdmi & Dsp & Usb Assy (4/5)

    http://www.xiaoyu163.com 10.18 HDMI & DSP & USB ASSY (4/5) 3 7 63 1515 0 HDMI & DSP & USB ASSY (VSX-918V:AWX8977) 1/5,5/5 V+3DU R441 V5USB CN401 AKM1275-A TP401 L441 TP405 VTL1169-A V5USB TP402 R446 USBH_D-T L442 TP403 VTH1043-A R447 USBH_D+T TP404 L443 C442...
  • Page 99 http://www.xiaoyu163.com 3 7 63 1515 0 BOOT MODE TP535 TP534 TP533 GNDD C415 0.1u/10 C416 V+3DU 470p/50 L481 QTL1013-A R409 X481 4.7k 32.768kHz ASS1172-A C482 5p/50 GNDD VCC1 NC12 NC11 C483 XOUT NC10 C413 5p/50 CLOCK_ENAB NC9 27 TP427 R481 10p/50 NC8 26 IC481...

  • Page 100: Hdmi & Dsp & Usb Assy (5/5)

    http://www.xiaoyu163.com 10.19 HDMI & DSP & USB ASSY (5/5) 3 7 63 1515 0 HDMI & DSP & USB ASSY (VSX-918V:AWX8977) V5USB V+3DU V+1R5 R541 CN501 V3UR V15D L501 L502 TP501 L541 TP505 TP507 5USB TP502 R536 USBH_D-R TP503 L542 R537 USBH_D+R TP504...
  • Page 101 http://www.xiaoyu163.com 3 7 63 1515 0 V+3DU USBH_D+R USBH_D-R C516 IC502 TP515 C512 C511 R514 GNDD GNDD X501 1.5VReg. TP528 V+3DU 33.8688MHz V+1R5 IC503 VOUT GNDD GNDD ON/OFF L 13942296513 GNDD GNDD MAIN 1/5,4/5 u163 VSX-918V-K http://www.xiaoyu163.com...

  • Page 102: Pcb Connection Diagram

    http://www.xiaoyu163.com 11. PCB CONNECTION DIAGRAM 11.1 DSP & USB and HDMI ASSYS 3 7 63 1515 0 SIDE A NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic 3. The parts mounted on this PCB include all necessary parts for diagrams.
  • Page 103 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE A HDMI ASSY Q153 R151 R152 D153 JA101 JA102 D154 JA301 L354 VA115 Q151 R154 Q154 VA307 Q152 R131 R113 VA308 IC103 C111 Q121 C109 Q121 Q101 R351 R192 R191 IC101 C108 C113 Q123 C107 IC102...
  • Page 104 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B HDMI ASSY (ANP7633-A) CN1002 CN1001 L 13942296513 IC331 IC402 IC341 IC202 IC403 IC191 C124 IC351 C126 R149 C161 L122 C162 L161 R302 R112 Q471 C111 IC471 R162 IC161 C306 R305 IC161 R111 D302 R114 R103...
  • Page 105 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B DSP&USB ASSY L 13942296513 CN401 R278 R453 C332 R274 R454 C457 C484 C331 L271 R275 R272 R276 C417 R277 C418 C277 R482 R331 R483 R332 R484 R280 R336 R282 R284 R235 R333 R485 R141 R283...

  • Page 106: Main Assy

    http://www.xiaoyu163.com 11.2 MAIN ASSY 3 7 63 1515 0 SIDE A MAIN ASSY CN108 CN107 XWK3355 XWK3357 XWK3359 1.FRONT L 1.VIDEO L 2.GNDA 2.GNDA XWK3356 XWK3358 XWK3360 3.FRONT R 3.VIDEO R R439 XWK3361 XWK3363 C300 XWK3362 XWK3364 R437 XWK3365 C139 R436 CN108 CN107...
  • Page 107 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE A CN704 CN815 CN816 CN110 CN109 CN111 C135 K3359 K3360 CN111 CN118 K3363 CN110 CN109 21.SP-B RY 11.AC WP R323 20.R/C RY 10.-VF C136 K3364 9.FLAC2 19.SP-A RY 18.HP SW 8.FLAC1 K3365 7.-12V R324 17.T+9V L5002...
  • Page 108 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B MAIN ASSY CN111 CN109 CN110 C117 CN110 R112 R182 R103 L 13942296513 19.NC 18.SRTX 17.SRRX 16.RMC R125 15.SR IN 14.SR OUT 13.SW1 12.SW2 11.SDET/INH 10.OSD_ON 9.SW DET 8.AMUTE 7.V3 6.V2 5.V1 4.OSD DT 3.OSD CLK 2.OSD CS 1.OSD RST...
  • Page 109 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B CN107 1.VIDEO L 0 1 2 3 4 5 6 7 8 9 0 1 2 3 2.GNDA 3.VIDEO R CN108 R280 1.FRONT L 2.GNDA Q254 3.FRONT R R140 3.+24V CN251 2.GNDU 1.GNDU CN252 3.FAN+...

  • Page 110: Power Pack Assy

    http://www.xiaoyu163.com 11.3 POWER PACK ASSY 3 7 63 1515 0 SIDE A POWER PACK ASSY CN752 CN751 918/8 CN753 CN752 CN751 CN753 CN752 C704 BOND GREY C521 W270 C765 C759 W268 C773 C757 C758 C766 J701 W271 C772 W267 W266 W265 W269 C754...
  • Page 111 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE A CN302 CN701 CN803 (VSX-818V) 1551 CN800 CN111 (VSX-918V) CN702 CN805 CN816 CN751 918/818 CN751 XWZ4324 XWZ4326 POWER PACK XWZ4327 XWZ4322 XWZ4325 ASSY XWZ4328 XWZ4323 21.NC 11.ST+5V C860 20.GNDA 10.GNDU 19.+12V C758 9.AC WUP W271 18.SWOUT 8.AC RY...
  • Page 112 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B POWER PACK ASSY CN805 CN816 CN803 CN701 CN702 XWZ4328 XWZ4325 XWZ4322 0 1 2 3 0 1 2 3 4 5 6 7 8 9 1.NC XWZ4326 XWZ4323 2.UGRTN 3.NC CAL1 XWZ4327 XWZ4324 4.GNDD 5.NC...
  • Page 113 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B CHASSIS R744 R747 R740 D742 R746 R745 D746 L 13942296513 Q651 GNDA GNDA GNDA R603 Q631 Q681 Q601 R778 C682 R685 Q501 C778 C611 1.VH+ 2.VH- CHASSIS 3.S.GND 4.COUT+ 5.COUT- C783 C637 6.SBROUT- 7.SBROUT+ C607...

  • Page 114: Trans2 And Trans3 Assys

    http://www.xiaoyu163.com 11.4 TRANS2 and TRANS3 ASSYS 3 7 63 1515 0 SIDE A TRANS2 ASSY R1250 C1250 DREG DREG IC852 REG B IC853 REG G REG B FL AC2 R1251 [[ G ]] CN701 FL AC1 C1251 AC RY W381 R1255 AC WUP CN1201...
  • Page 115 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE A TRANS3 ASSY CN251 (XNP3126-B) POWER TRANSFORMER (T1501) L 13942296513 SIDE B TRANS3 ASSY TRANS3 CAUTION XWZ4337 REPLACE IC LINKS AS MARKED. MFD.BY LITTELFUSE INC. R882 C881 C882 C883 SECONDARY C884 (XNP3126-B) u163 VSX-918V-K http://www.xiaoyu163.com...

  • Page 116: Component Video Assy

    http://www.xiaoyu163.com 11.5 COMPONENT VIDEO ASSY 3 7 63 1515 0 SIDE A SIDE A COMPONENT VIDEO ASSY COMPONENT VIDEO 7.OSD 6.INH ASSY C575 5.VIDEO A 4.VIDEO B XWZ4339 3.V-5.6V 2.GNDV [[ G ]] 1.V+5.6V W337 IC552 GNDV W325 W323 IC551 W332 V+5.6V IC553...

  • Page 117: Ch Input And Head Phone Assys

    http://www.xiaoyu163.com 11.6 5.1CH INPUT and HEAD PHONE ASSYS 3 7 63 1515 0 SIDE A SIDE A HEAD PHONE ASSY 5.1CH INPUT ASSY C1562 5.1CH IN ASSY XWZ4341 C1009 XWZ4342 [[ G ]] H.P. XWZ4321 1.SR JA1551 2.AG C1010 [[ G ]] 3.SW W202 4.AG...

  • Page 118: Front Display, Rotary Encoder, Power Key And Jog Assys

    http://www.xiaoyu163.com 11.7 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS 3 7 63 1515 0 SIDE A POWER KEY ASSY [[ G ]] S501 D501 POWER XWZ4287 1 KEY1 2 PWRON XWZ4288 3 GNDU (XNP3125-B) FRONT DISPLAY ASSY C423 1 KEY1 2 PWRON 3 GNDU...
  • Page 119 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE A JOG ASSY JOG ASSY 1.GNDU XWZ4289 2.FEN A 3.FEN B KN512 S512 [[ G ]] (XNP3125-B) CN101 ROTARY ENCODER ASSY CN401 W144 FLAC2 17.FLAC2 16.FLAC1 CN401 15.-VF 14.DISPRST 13.DISPCK 12.DISPDI 11.DISPDO D500 10.DISPRDY 9.DISPEN 8.SRIN...
  • Page 120 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B JOG ASSY JOG ASSY 1.GNDU XWZ4289 2.FEN A 3.FEN B (XNP3125-B) FRONT DISPLAY ASSY ROTARY ENCODER ASSY CN401 FLAC2 Q442 Q484 R412 R413 R414 R415 L 13942296513 R404 VDD1 R416 VSS1 R430 C401 C402 VDD1...
  • Page 121 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B POWER KEY ASSY XWZ4287 XWZ4288 1 KEY1 2 PWPON 3 GNDU (XNP3125-B) C482 C483 C484 C481 1.KEY1 2.PWRON 3.GNDU 1.GNDU L 13942296513 2.FENA 3.FENB R423 FRONT DISPLAY ASSY XWZ4283 XWZ4284 XWZ4285 XWZ4295 0 1 2 3 0 1 2 3 4 5 6 7 8 9 (XNP3125-B)

  • Page 122: Digital Input And Front Video Assys

    http://www.xiaoyu163.com 11.8 DIGITAL INPUT and FRONT VIDEO ASSYS 3 7 63 1515 0 SIDE A SIDE A DIGITAL INPUT ASSY FRONT VIDEO ASSY CN354 (VSX-918V) (VSX-818V) CN1903 CN107 CONTACT SIDE 1.FRONT OPT KN1901 CN1902 2.SHIELD 3.GNDD CN901 4.D+5V 5.SHIELD [[ G ]] CN901 FRONT VIDEO ASSY XWZ4300...

  • Page 123: Regulator Assy

    http://www.xiaoyu163.com 11.9 REGULATOR ASSY 3 7 63 1515 0 SIDE A SIDE A REGULATOR ASSY CN800 XWZ4315 XWZ4316 CN800 11 10 W378 XWZ4317 W379 CONTACT SIDE C809 C805 W380 GNDD W375 REGULATOR ASSY D814 W376 C806 C819 W373 [[ G ]] C816 C810 PRINTED...

  • Page 124: Video Assy

    http://www.xiaoyu163.com 11.10 VIDEO ASSY 3 7 63 1515 0 SIDE A SIDE A VIDEO ASSY CN803 CN302 CONTACT CN302 SIDE C350 C851 W347 W343 C380 W360 C864 C391 W359 IC303 W341 W333 R313 XWZ4290 XWZ4291 Q302 X851 C308 XWZ4292 W334 XWZ4294 W338 +5.6V...

  • Page 125: Front In Assy

    http://www.xiaoyu163.com 11.11 FRONT IN ASSY 3 7 63 1515 0 SIDE A SIDE B FRONT IN ASSY FRONT IN ASSY FRONTR GNDA C963 FRONTL GNDA MICSW CN122 MICOUT FRONTR GNDA MCACC SW FRONTL GNDA MICSW MICOUT MCACC SW C958 R953 C956 JA954 JA952...

  • Page 126: Primary Assy

    http://www.xiaoyu163.com 11.12 PRIMARY ASSY 3 7 63 1515 0 SIDE A SIDE A POWER TRANSFORMER PRIMARY ASSY L 13942296513 NEUTRAL LIVE KN3001 /F ONLY W285 W290 W291 W283 W292 W287 /F ONLY W286 W284 W282 W289 PRIMARY W293 W288 W281 W294 W280 W682...
  • Page 127 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B SIDE B PRIMARY ASSY L 13942296513 NEUTRAL LIVE PRIMARY RISK OF FIRE -REPLACE FUSE AS MARKED 4.STBY5V 3.AC_WUP 2.AC_RY 1.GNDU SECONDARY PRIMARY ASSY XWZ4301 XWZ4302 XWZ4303 XWZ4304 u163 XWZ4305 XWZ4306 (XNP3125-B) VSX-918V-K http://www.xiaoyu163.com...

  • Page 128: Hdmi & Dsp & Usb Assy

    http://www.xiaoyu163.com 11.13 HDMI & DSP & USB ASSY 3 7 63 1515 0 SIDE A HDMI&DSP&USB ASSY IC462 IC462 R875 R807 R874 CN801 IC611 IC871 IC801 C806 C872 IC801 R856 R462 C801 L462 IC401 IC401 C435 R423 Q602 R805 Q601 R422 L801 R421...
  • Page 129 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE A R669 R668 [[ G ]] X651 R607 R875 R873 R611 A30C5/C7 VA601 R874 L656 R872 R663 R608 IC611 R613 VA602 R692 C657 R614 C656 L654 R691 VA603 VA604 C806 L655 C654 VA605 R849 VA606 R848...
  • Page 130 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B HDMI&DSP&USB ASSY IC461 R621 R622 IC861 R623 C620 Q633 C621 C619 Q633 C671 IC632 C670 Q632 Q632 C669 Q634 Q634 C652 Q635 Q635 C664 C662 R675 C665 C663 C661 Q631 R676 R624 Q631 IC882 IC881...
  • Page 131 http://www.xiaoyu163.com 3 7 63 1515 0 SIDE B C463 C464 C465 R861 C862 IC461 R461 R871 L461 C462 C461 C402 C404 C406 C408 C401 C403 C405 C407 R424 R406 C861 R405 R401 R411 L402 D861 C804 R420 C419 C421 C415 R882 R410 C431...

  • Page 132: Electrical Parts List

    http://www.xiaoyu163.com 12. ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 133 http://www.xiaoyu163.com 3 7 63 1515 0 FRONT DISPLAY ASSY XWZ4285 and XWZ4284 are constructed the same except for the following: Mark Symbol and Description XWZ4285 XWZ4284 Q441 RT1N241M Not used D404, D405 1SS355 Not used D502 SLR343BC4T(JKLM) Not used R404 RS1/16S472J Not used R430...
  • Page 134 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. D 9010 (A,97,93) DIODE 3 7 63 1515 0 1SS355 R 201 (A,208,85) RS1/16S473J D 9011 (A,60,75) DIODE DAN202U R 202 (A,207,90) RS1/16S473J R 205 (B,208,85) RS1/16S392J D 9064 (A,58,75) DIODE DAP202U R 206 (B,208,91) RS1/16S392J...
  • Page 135 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. 3 7 63 1515 0 R 9036 (A,90,89) RS1/16S221J R 459 (B,139,38) RS1/16S103J R 460 (B,139,43) RS1/16S103J R 9037 (B,75,98) RS1/16S104J R 463 (A,62,103) RS1/16S223J R 9039 (A,87,57) RS1/16S104J R 464 (A,65,100) RS1/16S223J R 9041 (B,116,45)
  • Page 136 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. C 136 (A,280,106) 3 7 63 1515 0 CEAT100M50 C 266 (A,194,59) CCSRCH221J50 C 137 (A,280,101) CEAT100M50 C 267 (B,193,53) CCSRCH331J50 C 268 (B,193,60) CCSRCH101J50 C 138 (A,280,93) CEAT100M50 C 139 (A,50,101) CEAT100M50 C 271 (A,202,53)
  • Page 137 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. IC 402 3 7 63 1515 0 S-1200B18-M5 C 21,230,303,315 CEVW101M16 IC 461 HY57V641620FTP-6 IC 462 AYW7236 C 22-25 CKSRYB105K10 IC 471 AAT4618IGV-0.5-1 C 103,108,318 CEVW470M6R3 C 104,110,192,261 CCSRCH471J50 IC 481 341S2154 C 109,191,202,204...
  • Page 138 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. Q 681 (B,82,48) TRANSISTOR 3 7 63 1515 0 2SC5938A KN 601 (A,65,23) WRAPPING TERMINAL VNF1084 Q 683 (A,59,65) TRANSISTOR 2SC2240 RY 501 (A,75,132) RELAY ASR7001 Q 696 (B,282,24) TRANSISTOR 2SC4081 RY 751 (A,173,130) RELAY ASR7001...
  • Page 139 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. R 697 (B,255,68) 3 7 63 1515 0 RS1/16S103J C 521 (A,120,164) FILM CAPACITOR CQMBA123J50 R 698 (B,243,67) RS1/16S333J C 603 (B,99,39) CKSRYB331K50 R 701 (A,122,85) RD1/4PU472J C 604 (B,227,38) CKSRYB331K50 R 702 (A,109,87) RD1/4PU472J...
  • Page 140 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. 3 7 63 1515 0 C 572 (B,267,214) CKSRYB473K50 C 808 (A,245,142) ELECT. CAPACITOR CEAT472M16 C 577 (B,213,214) CKSRYB103K50 C 809 (A,232,95) CEAT101M10 C 579 (A,205,205) CEAT101M10 C 810 (A,266,133) CEAT101M10 C 580 (A,199,205) CEAT101M10...
  • Page 141 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. D 500 (A,216,182) LED(ORANGE) 3 7 63 1515 0 SLI-343DCW(STU) R 452 (B,88,97) RS1/16S272J D 502 (A,128,161) LED(BLUE) SLR343BC4T(JKLM) R 453 (B,144,142) RS1/16S472J L 401 (A,242,159) RADIAL INDUCTOR LFCA2R2J R 454 (A,101,135) RD1/4PU681J V 401 (A,189,200) FL TUBE...
  • Page 142 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. R 506 (B,294,213) 3 7 63 1515 0 RS1/16S162J C 816 (A,191,94) CEAT101M10 R 507 (B,275,213) RS1/16S272J C 817 (B,202,98) CKSRYB103K25 C 818 (B,182,95) CKSRYB103K25 C 819 (A,176,95) CEAT221M10 POWER KEY ASSY MISCELLANEOUS D 501 (A,37,229) LED(BLUE)
  • Page 143 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. L 853 (B,101,61) CHIP COIL 3 7 63 1515 0 LCYA330J2520 JA 305 (A,14,58) PIN JACK(4P)YELLOW XKB3048 C 379 (B,31,54) CKSRYB103K50 JA 351 (A,15,20) MINI JACK(4P) /W SW XKN3015 C 380 (A,43,74) CEAT101M16 JA 352 (A,18,9) JACK...
  • Page 144 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. CN 901 (A,126,230) CONNECTOR POST 3 7 63 1515 0 B5B-PH-K-S C 952 (B,35,54) CKSRYB103K50 C 953 (B,33,54) CKSRYB104K50 RESISTORS C 956 (A,43,68) CHIP ELECT.CAPACITOR CEVW100M50 C 957 (A,52,70) CKSRYB103K50 R 901 (B,161,224) RS1/16S331J...
  • Page 145 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. D 302 3 7 63 1515 0 MA152WK D 701 UDZS5R1(B) R 663 RAB4CQ470J D 861 RB501V-40 R 668,669,721 RAB4CQ473J R 681-685,687,688 RAB4CQ220J MISCELLANEOUS R 704 RS1/16SS6800F R 723-728 RAB4CQ473J L 1-3 CHIP SOLID INDUCTOR...
  • Page 146 http://www.xiaoyu163.com Mark No. Description Part No. Mark No. Description Part No. 3 7 63 1515 0 C 467,481,485,611 CKSSYB104K10 C 471 CKSSYB104K16 C 472 CKSQYB105K16 C 482,483 CCSSCH5R0C50 FM/AM TUNER UNIT C 486 CKSSYB471K50 FM/AM TUNER UNIT has no service parts. C 612,801 CEVW101M16 C 614-624,631,632...

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