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SERVICE MANUAL Colour Television
-
TV/AV
Specifications
Power Source . . . . . . . . . AC110-240V, 50Hz/60Hz.
Colour System . . . . . . . . PAL/SECAM/NTSC4.43/NTSC/PAL-60Hz
Television System . . . . . . B/G, D/K, K', I, M/M
Channel Coverage . . . . . VHF: E2-E12, R1-R12, K1-K9, A2-A13, J1-J12
UHF: 21-69, A14-A69, J13-J62
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Video IF . . . . . . . . . . . . . . 38.9MHz
Aerial Input Impedance . . 75Ω
Ext. Terminals
Video inputs: Phono jack ✕ 2 (1Vp - p, 75Ω)
Audio inputs: Phono jack ✕ 2(436mVrms, more than 40KΩ)
Video monitor outputs: Phono jack ✕ 1(1Vp - p, 75Ω)
Audio monitor outputs: Phono jack ✕ 1(436mVrms, less than 600Ω)
Sound Output (RMS) . . . . 3W
Speaker . . . . . . . . . . . . . . 5cm ✕ 9cm ✕ 1 pcs.
Dimensions . . . . . . . . . . . .CR14SR8: 363(W) ✕ 346(H) ✕ 366(D)mm
CR20SR8: 496(W) ✕ 446(H) ✕ 470(D)mm
Weight . . . . . . . . . . . . . . .CR14SR8: approx. 8.6 Kg
CR20SR8: approx.17.2 Kg
Specifications subject to change without notice.
C2CC/C2JC
+
CH
FILE NO.
Model No. CR14SR8
Service Ref. No. CR14SR8-00
TV/A V
-
+
CH
Product Code:
1 113 551 02 (CR14SR8)
1 113 552 02 (CR20SR8)
Original Version
Chassis Series: AC5-A
Give complete "SERVICE REF. NO." for
parts order or servicing. It is shown on the
rating plate at the cabinet back of the unit.
This T.V. receiver will not work properly in
foreign countries where the television
transmission system and power source dif-
fer from the design specifications. Refer to
the specification table.
REFERENCE NO.
CR20SR8
(SINGAPORE)
CR20SR8-00
TIMER
TV/AV
1
2
3
4
5
6
7
8
9
0
-/--
A/B
PL
MENU
PM
PIC MODE SWAP
CH SCAN
P
P
BASS
JXMPA
SM
5110300
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Table of Contents
Related Manuals for Sanyo CR14SR8
Summary of Contents for Sanyo CR14SR8
- Page 1 This T.V. receiver will not work properly in CR20SR8: 496(W) ✕ 446(H) ✕ 470(D)mm foreign countries where the television Weight ....CR14SR8: approx. 8.6 Kg transmission system and power source dif- CR20SR8: approx.17.2 Kg fer from the design specifications.
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Page 2: Table Of Contents
Contents Safety Notice ............... . 2 Chassis Block Diagram . -
Page 3: Chassis Block Diagram
Chassis Block Diagrams MAIN SIGNAL PROCESSING CIRCUIT... - Page 4 Chassis Block Diagrams SYSTEM CONTROL...
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Page 5: Ic Block Diagrams
IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818 Audio Output SIF Input FM Output/Selected SIF APC Filter Audio Output SIF Output PIF AGC Ext. Audio Input RF AGC Output PIF Input1 APC Filter VCO Coil 1 PIF Input 2 VCO Coil 2 IF Ground VCO Filter IF Vcc... - Page 6 IC Block Diagrams IC201 <IF System Block Diagram> LA76818...
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Page 7: Service Information
IC Block Diagrams IC501 < Vertical Output > LA78040/TDA9302H IC281 <SECAM Decoder> LA7642N EQU-Adj Kil-Out AV/SECAM SC-In 4MHz In Video In 4.43MHz In Thermal Protection Pulse System Pulse Bell/EQU Bell/EQU Filter Pump KILLER Filter Clamp ID-KIL F0 Adj SW/ALC F0-Fil Kil-Fil 4.43DC ID-Fil... -
Page 8: Service Adjustments With Replacing Memory Ic(Ic802)
Service Adjustments with Replacing Memory IC(IC802) Note: The CPU (IC801) and memory IC (IC802) store the service adjustments data and controls data for each circuit.When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the best performance. The necessary service adjustments are carried out by using the RC handset. Please set up the TV set with following steps [1] to [2]. - Page 9 Service Adjustments with Replacing Memory IC(IC802) [2] Required Service Adjustments Readjust the following service adjustments. Adjustments Service Mode No. & Item RF AGC Item 01, RF AGC Horizontal centre Item 02, H-PHA Vertical size Item 04, V-SIZ Vertical-S correction Item 05, V-SCO Vertical linearity Item 06, V-LIN Gray scale...
- Page 10 Service Adjustments with Replacing Memory IC(IC802) INITIAL DATA ITEM DESCRIPTION DATA RANGE 00~03 White peak limitter. YGAM Y Gamma setting. 00~03 PORW Switching of Pre-shoot and Over shoot in AV mode. PORS 00~03 Pre-shoot/Over shoot Adj. in AV mode. RFCO 00~03 RF Coring Gain Adj.
- Page 11 Service Adjustments with Replacing Memory IC(IC802) [Entering to Service Mode] Press and hold the MENU button on the Remote Control and press the VOLUME (+) button on the TV set. Following setting items appears on the screen. P▲ MENU P▼ Display for [RF AGC] RF AGC adjustment MENU Read Status...
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Page 12: Service Mode Adjustments
Service Mode Adjustments Following adjustments should be carried out when the memory IC is replaced. How to enter the service mode and adjust values, please refer to “ Entering to Service mode” on page 11. Item 01 [RF AGC] AGC Item 06 [V-LIN] VERTICAL LINEARITY NOTE: Do not attempt this adjustment with weak signal. - Page 13 Service Mode Adjustments Items 14-17, 19-21 GREY SCALE (1) Receive the monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Set each value of Item-14 RBIAS, 15 GBIAS, 16 BBIAS, 17 RDRIV and 19 BDRIV mode to 64. (5) Select Item-20 mode to be one horizontal scanning line and turn the screen volume on the FBT to obtain just visible one coloured line.
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Page 14: Service Adjustments
(2) Receive the monochrome circular pattern. (3) Set the brightness and contrast to maximum. Focus Adjustment The high voltage must be Model CR14SR8: 21KV ± 1KV Model CR20SR8: 25KV ± 1KV. (4) Set the brightness and contrast to minimum (0 beam current). -
Page 15: Special Function
Special Function The following special functions can be set up on this TV How to set the special function: set. Note: When making the VOLUME LOCK setting, set the (1) Volume Lock setting desired maximum sound volume by pressing the VOLUME + or - button before entering Special Function setting mode. -
Page 16: Purity And Convergence Adjustment
Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment should be made only after picture tube or deflection yoke replacement, following the steps below: PURITY ADJUSTMENT 8. Tighten the mounting screw of the Deflection Yoke. 1. -
Page 17: Cabinet Parts List
Cabinet Parts List C2CC Note: Parts order must contain Service Ref. No., Part No., and descriptions. Model CR14SR8 AUDIO OUT VIDEO OUT ANT.75Ω AUDIO IN VIDEO IN TV/ AV TIMER TV/AV -/-- P▲ MENU P▼ PIC MODE SWAP CH SCAN... -
Page 18: Cabinet Parts List
SPRING 610 283 4208 DEC IND 610 283 4116 BUTTON UNITED 610 296 5070 CABINET FRONT 645 041 7252 BADGE,SANYO 610 292 9409 CABINET BACK 610 298 4279 LABEL RATING 645 045 8606 ASSY,REMOCON JXMPA 610 291 6829 RC-BATTERY LID... -
Page 19: Chassis Electrical Parts List
Chassis Electrical Parts List C2CC (Model CR14SR8) Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety. - Page 20 C2CC Ref. No. Part No. Description Ref. No. Part No. Description Q431 405 018 0507 TR 2SC3332-R 405 147 2205 TR 2SA1037AK-S-T146 405 018 0606 TR 2SC3332-S 405 002 0308 TR 2SA1037K T146 R Q432 405 157 1304 TR 2SD2634-YB 405 002 0407 TR 2SA1037K T146 S Q449...
- Page 21 C2CC Ref. No. Part No. Description Ref. No. Part No. Description C113TM 403 069 8305 CERAMIC 0.01U Z 403 353 1005 MT-POLYPRO 4700P H 1.5K C120 403 284 4304 CERAMIC 0.022U K C436 403 165 7608 CERAMIC 220P K C121 403 215 2201 CERAMIC 0.01U K...
- Page 22 C2CC Ref. No. Part No. Description Ref. No. Part No. Description C645 403 148 0404 ELECT 1000U M R121 401 105 6605 MT-GLAZE 6.8K JA 1/16W C651 403 040 9406 ELECT 330U M R122 401 105 2805 MT-GLAZE 2.2K JA 1/16W C661 403 043 0202 ELECT...
- Page 23 C2CC Ref. No. Part No. Description Ref. No. Part No. Description R424 401 024 7004 CARBON 1K JA 1/6W R805 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R426 401 024 7400 CARBON 10K JA 1/6W R811 401 105 5301 MT-GLAZE 4.7K JA 1/16W R432 401 105 0504...
- Page 24 C2CC Ref. No. Part No. Description Ref. No. Part No. Description COIL 408 009 9008 DIODE BYD33D L171 645 049 3379 TRANS,OSC,38MHZ D512 407 005 7308 DIODE EM01Z 407 005 8602 DIODE ERA15-02 L234 401 024 9008 CARBON 120 JA 1/6W L235 401 024 9008...
- Page 25 C2CC Ref. No. Part No. Description Ref. No. Part No. Description A101 645 044 1356 TUNER,U/V C751 403 042 4805 ELECT 1000U M A1901A 645 041 1519 UNIT,REMOCON RECEIVER RESISTOR K1001 645 011 6186 JACK,RCA-2 K1002 645 011 2973 JACK,RCA-2 R701 401 025 7409 CARBON...
- Page 26 Chassis Electrical Parts List C2JC (Model CR20SR8) Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety.
- Page 27 C2JC Ref. No. Part No. Description Ref. No. Part No. Description Q449 405 011 8401 TR 2SC1740S-Q 405 002 6706 TR 2SA1179-M6-TB 405 011 8500 TR 2SC1740S-R 405 002 6904 TR 2SA1179-M7-TB 405 011 8609 TR 2SC1740S-S Q818 405 014 4509 TR 2SC2412K T146 R 405 012 2002 TR 2SC1815-GR...
- Page 28 C2JC Ref. No. Part No. Description Ref. No. Part No. Description C124 403 215 2201 CERAMIC 0.01U K C441 403 346 7007 MT-POLYPRO 0.24U J 250V C132 403 048 6308 ELECT 0.47U M C449 403 041 8804 ELECT 10U M C135 403 048 6308 ELECT...
- Page 29 C2JC Ref. No. Part No. Description Ref. No. Part No. Description C643 403 148 2002 ELECT 470U M R116 401 105 4403 MT-GLAZE 39 JA 1/16W C644 403 148 0404 ELECT 1000U M R121 401 105 6605 MT-GLAZE 6.8K JA 1/16W C645 403 148 0404 ELECT...
- Page 30 C2JC Ref. No. Part No. Description Ref. No. Part No. Description R423 401 022 4104 CARBON 68K JA 1/4W R687 401 020 2003 CARBON 4.7K JA 1/4W R424 401 024 7004 CARBON 1K JA 1/6W R688 401 027 5502 CARBON 6.8K JA 1/6W R426...
- Page 31 C2JC Ref. No. Part No. Description Ref. No. Part No. Description 645 047 1704 TRANS,POWER,PULSE 20/21 W 407 012 4406 DIODE 1SS133 COIL 407 013 4306 DIODE 1S2076A L171 645 049 3379 TRANS,OSC,38MHZ 407 013 7109 DIODE 1S2473 L234 401 024 9008 CARBON 120 JA 1/6W...
- Page 32 DIODE 1SS355-TE-17 405 001 7605 TR 2SA1015-Y(SAN) MISCELLANEOUS 405 004 3109 TR 2SA564A-Q(CU) K701-L 645 028 0306 SOCKET,CRT 8P 405 004 3208 TR 2SA564A-R(CU) 405 006 1707 TR 2SA933S-Q SANYO Electric Co., Ltd. A14800 /Feb. /’02 /30 BB Printed in Japan...
- Page 33 SANYO Electric Co., Ltd. A14800 /Feb. /’02 /30 BB Printed in Japan...
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Page 34: Colour Television
Schematic Diagrams - CR14SR8 (C2CC) Page P1 [Left] R FRONT IN R FRONT IN L REAR IN R REAR IN L FRONT IN L FRONT IN V FRONT IN V FRONT IN V REAR IN CLOCK IC002 DATA AUDIO AMP. - Page 35 Schematic Diagrams - CR14SR8 (C2CC) Page P1 [Right] L REAR IN R REAR IN L FRONT IN V FRONT IN V REAR IN CLOCK CLOCK DATA DATA TP101A J30B0250N :J30B1380N C107 EM47 TP101B 130V R106 R107 J30B0250N R103 1/16GJ 1/16GJ...
- Page 36 Schematic Diagrams - CR14SR8 (C2CC) Page P2 [Left] CRT BOARD (Component Location) (B-OUT) (R-OUT) (G-OUT) (C4SG) MAIN BOARD (Component Location) RC PRE-AMP. VOL. UP VOL. DOWN MENU TV/AV CH UP CH DOWN AUDIO AUDIO VIDEO IN (L) IN (R) IC1201...
- Page 37 Schematic Diagrams - CR14SR8 (C2CC) Page P2 [Right] Waveforms & Voltages (On the Main Board) IC201 (IF/VIDEO/CHROMA) Pin-1 2.3V 2.2V 2.7V 3.2V 2.9V 2.9V 5.0V 2.5V 2.3V 4.3V 4.1V 4.3V 1.6V 1.7V 1.6V 8.3V 2.2V 2.1V 2.1V 2.0V 2.2V 2.7V 5.2V...
- Page 38 Schematic Diagrams - CR14SR8 (C2JC) Page P1 [Left] R FRONT IN R FRONT IN L REAR IN R REAR IN L FRONT IN L FRONT IN V FRONT IN V FRONT IN V REAR IN CLOCK IC002 DATA AUDIO AMP.
- Page 39 Schematic Diagrams - CR14SR8 (C2JC) Page P1 [Right] L REAR IN R REAR IN L FRONT IN V FRONT IN V REAR IN CLOCK CLOCK DATA DATA TP101A J30B0250N :J30B1380N C107 EM47 TP101B 130V R106 R107 J30B0250N R103 1/16GJ 1/16GJ...
- Page 40 Schematic Diagrams - CR14SR8 (C2JC) Page P2 [Left] CRT BOARD (Component Location) (B-OUT) (R-OUT) (G-OUT) (C4SG) MAIN BOARD (Component Location) RC PRE-AMP. VOL. UP VOL. DOWN MENU TV/AV CH UP CH DOWN AUDIO AUDIO VIDEO IN (L) IN (R) IC1201...
- Page 41 Schematic Diagrams - CR14SR8 (C2JC) Page P2 [Right] Waveforms & Voltages (On the Main Board) IC201 (IF/VIDEO/CHROMA) Pin-1 2.3V 2.2V 2.7V 3.2V 2.9V 2.9V 5.0V 2.5V 2.3V 4.3V 4.1V 4.3V 1.6V 1.7V 1.6V 8.3V 2.2V 2.1V 2.1V 2.0V 2.2V 2.7V 5.2V...