LCD FLAT TELEVISION YA380 2006 LT-40FH76 BASIC CHASSIS TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
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SPECIFICATION Items Contents Dimensions ( W × H × D ) 100.0 cm × 73.4 cm × 32.9 cm [Included stand] 100.0 cm × 67.1 cm × 11.7 cm [TV only] Mass 32.0 kg [Included stand] 25.0 kg [TV only] Power Input AC110 V , 60 Hz Power Consumption...
SECTION 1 PRECAUTION SAFETY PRECAUTIONS (1) The design of this product contains special hardware, (6) Isolation Check (Safety for Electrical Shock Hazard) many circuits and components specially for safety After re-assembling the product, always perform an purposes. For continued protection, no changes should be isolation check on the exposed metal parts of the cabinet made to the original design unless authorized in writing by (antenna terminals, video/audio input and output terminals,...
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INSTALLATION 1.2.1 HEAT DISSIPATION 1.2.3 INSTALLATION REQUIREMENTS If the heat dissipation vent behind this unit is blocked, cooling To ensure safety in an emergency such as an earthquake, and efficiency may deteriorate and temperature inside the unit will to prevent accidents, ensure that measures are taken to prevent rise.
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HANDLING LCD PANEL 1.3.1 PRECAUTIONS FOR TRANSPORTATION 1.3.2 OPTICAL FILTER (ON THE FRONT OF THE LCD PANEL) When transporting the unit, pressure exerted on the internal LCD (1) Avoid placing the unit under direct sunlight over a panel due to improper handling (such as tossing and dropping) prolonged period of time.
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS SYSTEM SETTEING Be sure to carry out the following operation at the end of SERVICE MENU SCREEN the procedure. (1) Set to 0 minutes using the [SLEEP TIMER] key. SERVICE MENU SERVICE MENU 1. ADJUST 1.
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TECHNICAL INFORMATION 2.3.1 LCD PANEL This unit uses the flat type panel LCD (Liquid Crystal Display) panel that occupies as little space as possible, instead of the conventional CRT (Cathode Ray Tube), as a display unit. Since the unit has the two polarizing filter that are at right angles to each other, the unit adopts "normally black" mode, where light does not pass through the polarizing filter and the screen is black when no voltage is applied to the liquid crystals.
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2.3.2 MAIN CPU PIN FUNCTION [IC7601 : DIGITAL PWB ASS'Y] Pin name Function Pin name Function VHOLD1 Data slice for main screen closed caption Not used HFLT1 I/O LPF for main screen closed caption video input Not used Not used Not used Not used Not used...
SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE CAUTION AT DISASSEMBLY: • Be sure to perform the SYSTEM SETTEING, at the end of the procedure. • Make sure that the power cord is disconnected from the outlet. • Pay special attention not to break or damage the parts. •...
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STAND COVER STAND BACK BRACKET REAR COVER D-AMP PWB D-AMP PWB BRACKET DIGITAL PWB ANALOG PWB POWER CORD H TUNER BASE SHIELD TERMINAL POWER CORD DC-DC CON PWB POWER PWB TERMINAL BASE SW PWB FRONT CONTROL ASSY Fig.1 1-10 (No.YA380)
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3.1.9 REMOVING THE SPEAKER (Fig.2) 3.1.14 REMOVING THE LCD PANEL UNIT (Fig.2) • Remove the STAND. • Remove the STAND. • Remove the REAR COVER. • Remove the REAR COVER. (1) Remove the 6 screws [A]. • Remove the BACK BRACKET. (2) Remove the SPEAKER (L /R).
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CARD BASE ASSY CARD PWB SHIELD SUB POWER PWB MAIN BASE BOTTOM FRAME CARD PWB TOP FRAME CARD PWB BRACKET SPEAKER LED PWB SPEAKER LED LENS FRONT PANEL FRONT Fig.2 1-12 (No.YA380)
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MEMORY IC REPLACEMENT • This model uses the memory IC. • This memory IC stores data for proper operation of the video and drive circuits. • When replacing, be sure to use an IC containing this (initial value) data. 3.2.1 MEMORY IC TABLE Simbol Number of pins Mounting PWB Main content of data...
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3.2.4 SETTINGS OF FACTORY SHIPMENT 3.2.4.1 BUTTON OPERATION 3.2.4.2 REMOTE CONTROL DIRECT OPERATION Setting item Setting position Setting item Setting position POWER INPUT CHANNEL CABLE-02 CHANNEL CABLE-02 VOLUME VOLUME MUTING DISPLAY ASPECT NTSC PANORAMA HD / ATSC FULL SLEEP TIMER THEATER PRO NATURAL CINEMA AUTO...
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REPLACEMENT OF CHIP COMPONENT 3.3.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it. 3.3.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.
SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION BASIC OPERATION OF SERVICE MODE (1) There are 2 ways of adjusting this TV : One is with the 4.5.1 HOW TO ENTER THE SERVICE MODE REMOTE CONTROL UNIT and the other is the (1) Set to 0 minutes using the [SLEEP TIMER] key. conventional method using adjustment parts and (2) Press the [VIDEO STATUS] key and [DISPLAY] key components.
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4.5.4 ADJUSTMENT MODE This mode is used to adjust the VIDEO CIRCUIT and the MTS CIRCUIT. 4.5.4.1 HOW TO ENTER THE ADJUSTMENT MODE When the SERVICE MENU SCREEN of SERVICE MODE is displayed, press [1] key to enter the ADJUSTMENT MODE (Fig.2). 4.5.4.2 DESCRIPTION OF STATUS DISPLAY OF ADJUSTMENT MODE (3) VIDEO STATUS ADJUSTMENT MODE...
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INITIAL SETTING VALUES IN THE SERVICE MODE • Perform fine-tuning based on the "initial values" using the remote control when in the Service mode. • The "initial values" serve only as an indication rough standard and therefore the values with which optimal display can be achieved may be different from the default values.
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Item No. Item Variable range Setting value Item No. Item Variable range Setting value M173 1EAC 00 - FF M223 1EDE 00 - FF M174 1EAD 00 - FF M224 1EDF 00 - FF M175 1EAE 00 - FF 4.6.4 DRIVE SYSTEM SETTING (Fixed values) M176 1EAF...
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ADJUSTMENT PROCEDURE 4.7.1 VIDEO CIRCUIT Measuring Item Test point Adjustment part Description instrument WHITE Remote [1.ADJUST] (1) Receive a NTSC 75% all white signal. BALANCE control unit S030: R DRIVE (Red drive) (2) Set "VIDEO STATUS" to "STANDARD". (HIGHLIGHT) S031: G DRIVE (Green drive) (3) Set "ASPECT"...
SECTION 5 TROUBLESHOOTING SELF CHECK FEATURE 5.1.5 POINTS TO NOTE WHEN USING THE SELF CHECK FEATURE 5.1.1 OUTLINE In addition to circuit failures (abnormal operation), the following This unit comes with the "Self check" feature, which checks the cases may also be diagnosed as "Abnormal" and displayed and operational state of the circuit and displays/saves it during counted as "NG".
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5.1.6 DETAILS Self check is performed for the following items: < Page 1 of screen > Diagnosis Detection item Display Detection content Detection timing signal (line) Low bias line short Confirm the operation of the low bais (16V / 5V / LB_PRO Detection starts 3 seconds after protection...
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Victor Company of Japan, Limited Flat Panel Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA380) Printed in Japan...
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LT-40FH76 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type The components identified by the symbol and shading are No indication : Ceramic capacitor critical for safety. For continued safety replace safety ciritical : Metalized mylar capacitor : Polypropylene capacitor components only with manufactures recommended parts.
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CONTENTS SEMICONDUCTOR SHAPES ..............2-2 WIRING DIAGRAM ..................2-3 BLOCK DIAGRAM ..................2-5 CIRCUIT DIAGRAMS ANALOG PWB CIRCUIT DIAGRAM ......................2-7 DIGITAL PWB CIRCUIT DIAGRAM ......................2-19 MAIN POWER PWB CIRCUIT DIAGRAM ....................2-51 LED PWB CIRCUIT DIAGRAM ......................... 2-55 SW PWB CIRCUIT DIAGRAM ......................... 2-56 D-AMP PWB CIRCUIT DIAGRAM ......................
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ANALOG PWB CIRCUIT DIAGRAM (3/6) SHEET 3 TU3001 TU3001 QAU0430-001 BS_A5V SHEET1 M.PACK R3018 TV_V1 IC381 C383 C3006 C3007 M62320FP-X 47/16 OPEN L3002 NQL79GM-100X C3008 R3001 OPEN R3014 OPEN SDA0A5 R3011 R3015 OPEN SCL0A5 C381 C382 BS_A9V R3003 R3012 SHEET2 R3004 R3013 PC_DET...
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ANALOG PWB CIRCUIT DIAGRAM (4/6) SHEET 4 OLLC09108 OLLC09108 OLLC09448 OLLC09448 IC501 IC501 HA17558AF-X HA17558AF-X OPEN OPEN IC502 AK4554VT-X AK4554VT-X OPEN OPEN R504 R501 IC551 JCV8010 JCV8010 OPEN OPEN R505 C508 ANALOG PWB ASS'Y (4/6) IC552 PQ2L3152MS-X PQ2L3152MS-X OPEN OPEN X551 NAX0623-001X NAX0623-001X...
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DIGITAL PWB CIRCUIT DIAGRAM (1/16) SHEET 7 DIGITAL PWB ASS'Y (1/16) STB3.3V C7513 LCA10599-72A (SFL-0D152A) IC7501 IC7502 STB3.3V OPEN C7512 R7536 OPEN OPEN SHEET16 CEC/TVLK Q7508 OPEN STB3.3V R7544 R7537 OPEN D7510 OPEN R7538 OPEN DIGITAL INPUT BLOCK CECIN D7511 OPEN STB_5V STB3.3V...
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DIGITAL PWB CIRCUIT DIAGRAM (2/16) SHEET 8 BS_9V BS_9V L8831 L8852 R8895 OPEN OPEN C8831 C8832 R8893 TV_MAIN_1 L8832 R8840 R8841 R8832 Q8831 OPEN TV_MAIN TV_MAIN C8833 Q8832 R8894 OPEN Q8837 R8835 TV_MAIN_4 OPEN R8851 C8836 Q8834 R8836 RA8832 Q8833 R8834 C8834 C8835...
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DIGITAL PWB CIRCUIT DIAGRAM (3/16) SHEET 9 BS_9V BS_9V VC9-1 VC9-1 K8701 OPEN IC8702 DIGITAL C8701 C8702 OPEN OPEN OPEN YC2.5A YC2.5A VCC3D VCC3D C8710 C8711 VOUT C8714 C8715 C8716 OPEN OPEN R8718 PWB ASS'Y (3/16) OPEN OPEN OPEN OPEN K8702 OPEN C8712...
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DIGITAL PWB CIRCUIT DIAGRAM (5/16) SHEET 11 BS_5V K8781 IC8781 OPEN OPEN R8786 OPEN YMIN_3 R8787 OPEN DIGITAL PWB ASS'Y (5/16) OPEN 3DYC_C SHEET16 EXT3DON EXT3DON 3DYC_V OPEN C8782 OPEN LCA10599-72A (SFL-0D152A) 3DYC_Y IC8782 OPEN SHEET21 MAIN_CCD R8788 OPEN SUB_CCD1 BYMIN_3 BS_LOUT R8789...
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DIGITAL PWB CIRCUIT DIAGRAM (7/16) SHEET 13 DIGITAL PWB ASS'Y (7/16) R6715 OPEN DD_OSDVS SHEET12,21,22 DD_OSDHS R6714 OPEN LCA10599-72A (SFL-0D152A) VCC3D L6701 NQR0413-003X IC6001 JCC5060 C6701 NCF11CZ-475X R6712 SUB CPU/ A-D CONVERT / YC SEP./ CHROMA DEMOD./ FORMAT CONVERT/ R6713 Enhancer / NR DA_AGND C6705...
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DIGITAL PWB CIRCUIT DIAGRAM (8/16) SHEET 14 DIGITAL PWB ASS'Y (8/16) OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 OLLC09109 LCA10599-72A (SFL-0D152A) LP2996MR LP2996MR LP2996MR LP2996MR LP2996MR LP2996MR SC2595STRT SC2595STRT SC2595STRT SC2595STRT SC2595STRT SC2595STRT IC6102 L6105 OPEN OPEN OPEN OPEN...
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DIGITAL PWB CIRCUIT DIAGRAM (9/16) SHEET 15 DIGITAL PWB ASS'Y (9/16) RA7204 LCA10599-72A (SFL-0D152A) NRZ0080-473X STB3.3V STB3.3V IC6001 NOTE : Refer to the part list for the part number of IC7201. JCC5060 R7201 R7202 SUB CPU/ IC7201 R7208 R7225 A-D CONVERT / YC SEP./ STB3.3V CHROMA DEMOD./ FORMAT CONVERT/...
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DIGITAL PWB CIRCUIT DIAGRAM (10/16) SHEET 16 DIGITAL PWB ASS'Y (10/16) LCA10599-72A (SFL-0D152A) STB3.3V JCC5060 R7030 SHEET18 VMUTE P20_INTPZ0 OPEN R7031 DIGITAL INPUT BLOCK IC6001 NAX0669-001X DIN_INT P21_INTPZ1 C7041 R7032 CLK_7001_3 OPEN SHEET21,22 R7082 WAKE P22_INTPZ2 IC7031 OPEN X7001 R7033 P23_INTPZ3 DIN_HOTP DIGITAL INPUT BLOCK...
MAIN POWER PWB CIRCUIT DIAGRAM (1/2) SHEET 23 SUB POWER PWB CN900D (SHEET31) CN000D QGA7901C1-02 Y9001 MAIN POWER PWB ASS'Y (1/2) OPEN C9002 Y9002 QFZ9072-105 F9001 OPEN QMF5AD2-6R3-J1 LCA90575-02C (SFL-9041A) R9006 CN0PW LF9001 LF9002 LF9003 QGA7901C1-02 POWER CORD VA9001 QAF0060-621 L9501 QQR1468-001 H9502...
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MAIN POWER PWB CIRCUIT DIAGRAM (2/2) SHEET 24 LCD PANEL UNIT OPEN CN00Q CN00P QGA2001F6-10X GND5 K9557 NQR0499-002X C9561 L9551 OPEN K9556 CP9551 NQR0499-002X D9555 GND5 K9552 NQR0499-002X Y9551 Y9552 QUY360-100H QUY360-100H K9553 T9501 NQR0499-002X GND4 C9557 R9552 D9558 K9554 R9551 L9553 NQR0499-002X...
VOLTAGE CHARTS <ANALOG PWB> [P.2-7 - P.2-8] [P.2-15 - P.2-16] MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V )
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<MAIN POWER PWB> <D-AMP PWB> [P.2-51 - P.2-52] [P.2-57 - P.2-58] MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V )
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Victor Company of Japan, Limited Flat Panel Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA380) Printed in Japan...
PARTS LIST CAUTION The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the safety. The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied. P.W.
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CONTENTS USING P.W. BOARD & REMOTE CONTROL UNIT ....................3-3 EXPLODED VIEW PARTS LIST -1 ..........................3-4 EXPLODED VIEW -1 ..............................3-5 EXPLODED VIEW PARTS LIST -2 ..........................3-6 EXPLODED VIEW -2 ..............................3-7 PRINTED WIRING BOARD PARTS LIST ........................3-8 ANALOG P.W.
USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y name P.W.B ASS'Y No. ANALOG P.W.B LCA10637-02A (SFL-1212A) D-AMP P.W.B LCA90550-01B (SFL-6201A) SW P.W.B LCA90551-02A (SFL-7203A) CARD P.W.B LCA10556-01C (SRP-8511A) LED P.W.B LCA90552-06A (SFL-8707A) MAIN POWER P.W.B LCA90575-02C (SFL-9041A) DC-DC P.W.B LCA90606-04A (SFL-9146A) SUB POWER P.W.B LCA10639-03B (SFL-9706A)
EXPLODED VIEW PARTS LIST -1 Ref.No. Part No. Part Name Description Local 101 LC12550-001A JACK COVER LC33278-001A-A LICENSE LABEL LC42289-001A-C STAND BASE UNIT QYSPSPD5016MA SCREW M5 x 16mm(x2) QYSPSPD5020ZA SCREW M5 x 20mm(x2) LC42378-001B-C SUPPORT UNIT Inc.106A/106B 106A T0148-01 STAND COVER 106B...
EXPLODED VIEW PARTS LIST -2 Ref.No. Part No. Part Name Description Local 151 QLD0398-001 LCD PANEL UNIT WJW0038-001A-E DIGITAL(LVDS) CABLE WJZ0181-001B-E E-HARNESS ASSY LC41913-006A-C SPEAKER ASSY LEFT LC40226-005A-H SPACER (x6) LC41913-005A-C SPEAKER ASSY RIGHT 157 LC12197-008A FRONT PANEL ASSY LC33125-001B-HK LED LENS QQR0491-001...
PRINTED WIRING BOARD PARTS LIST ANALOG P.W. BOARD ASS'Y Ref No. Part No. Part Name Description Local (LCA10637-02A) (SFL-1212A) C122 NCB31CK-104X C CAPACITOR 0.1uF 16V K Ref No. Part No. Part Name Description Local C123 NCB31CK-104X C CAPACITOR 0.1uF 16V K C124 NCB31CK-105X C CAPACITOR...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C409 NCB21AK-225X C CAPACITOR 2.2uF 10V K C3112 NCB31EK-104X C CAPACITOR 0.1uF 25V K C410 NCB31HK-103X C CAPACITOR 0.01uF 50V K C3113 NCB31HK-472X C CAPACITOR 4700pF 50V K C411 NCB21AK-225X...
Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D6673 UDZS20B-X Z DIODE R6662 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J D6674 UDZS20B-X Z DIODE R6663 NRSA63J-393X MG RESISTOR 39kΩ 1/16W J R6664 NRSA63J-0R0X MG RESISTOR 0Ω...
CARD P.W. BOARD ASS'Y Ref No. Part No. Part Name Description Local (LCA10556-01C) (SRP-8511A) C2004 NCB31HK-102X C CAPACITOR 1000pF 50V K Ref No. Part No. Part Name Description Local C2005 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C2006 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C2009 NDC31HJ-101X...
Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1215 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R2202 NRSA63D-153X MG RESISTOR 15kΩ 1/16W D R1216 NRSA63J-473X MG RESISTOR 47kΩ 1/16W J R2203 NRSA63D-222X MG RESISTOR 2.2kΩ...
MAIN POWER P.W. BOARD ASS'Y Ref No. Part No. Part Name Description Local (LCA90575-02C) (SFL-9041A) C9507 NDC31HJ-102X C CAPACITOR 1000pF 50V J Ref No. Part No. Part Name Description Local C9508 QEHR1VM-476Z E CAPACITOR 47uF 35V M C9509 NCB31HK-103X C CAPACITOR 0.01uF 50V K C9510 NCB31HK-104X...
Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R9534 QRK126J-271X UNF C RESISTOR 270Ω 1/2W J D9652 1SS355-X SI DIODE R9535 NRS12BJ-332W MG RESISTOR 3.3kΩ 1/2W J D9654 PTZ6.8B-X Z DIODE R9536 NRSA63J-473X MG RESISTOR 47kΩ...
SUB POWER P.W. BOARD ASS'Y DIGITAL P.W. BOARD ASS'Y (LCA10639-03B) (SFL-9706A) (LCA10599-72A) (SFL-0D152A) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local IC9001 STR-W6765-F5 IC6001 JCC5060 IC9051 TL431/A/-T IC6002 SN74LVC1G08V-X IC6101 EDD1232AAFA-6B D9001 MTZJ33B-T2 Z DIODE IC6102...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C6139 NCB31CK-104X C CAPACITOR 0.1uF 16V K C6506 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C6217 NCB31CK-104X C CAPACITOR 0.1uF 16V K C6507 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C6218 NCB31CK-104X...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C6907 NCB31CK-104X C CAPACITOR 0.1uF 16V K C9002 NCJ41EK-106X-U C CAPACITOR C6908 NCB31CK-104X C CAPACITOR 0.1uF 16V K C9003 NCB31EK-104X C CAPACITOR 0.1uF 25V K C6909 NCB31CK-104X C CAPACITOR...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6253 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J R6607 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R6254 NRSA63J-151X MG RESISTOR 150Ω 1/16W J R6609 NRSA63J-101X MG RESISTOR 100Ω...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R7207 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R9508 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J R7208 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R9509 NRSA63J-103X MG RESISTOR 10kΩ...
PACKING PARTS LIST Ref.No. Part No. Part Name Description Local LC21867-003A PACKING CASE LC32958-001A JOINT (x4) LC21868-001B PACKING CASE BOTTOM LC12593-001B CUSHION ASSY 4pcs in 1set GG30097-004A-H POLY BAG LC21954-001A ACCESSORY BOX QPA02503505P POLY BAG 25cm x 35cm ------------ BATTERY R6P/AA(x2) RM-C1257G-1H...