JVC LT-37DR1BJ Service Manual

JVC LT-37DR1BJ Service Manual

Integrated digital terrestrial lcd television

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SERVICE MANUAL
INTEGRATED DIGITAL TERRESTRIAL LCD TELEVISION
YA688<Rev.001>
4 S ERVICE MANUAL
2009
LT-37DR1BJ
COPYRIGHT © 2009 Victor Company of Japan, Limited
No.YA687: LT-32DR1BJ, LT-32DR1BU No.YA688: LT-37DR1BJ, LT-37DR1BU No.YA689: LT-42DR1BJ, LT-42DR1BU
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
/PP
<FY2 CHASSIS LINEUP>

TABLE OF CONTENTS

COPYRIGHT © 2009 Victor Company of Japan, Limited
, LT-37DR1BU
/PP
BASIC CHASSIS
FY2
No.YA688<Rev.001>
2009/4

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Table of Contents
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Summary of Contents for JVC LT-37DR1BJ

  • Page 1: Table Of Contents

    COPYRIGHT © 2009 Victor Company of Japan, Limited <FY2 CHASSIS LINEUP> No.YA687: LT-32DR1BJ, LT-32DR1BU No.YA688: LT-37DR1BJ, LT-37DR1BU No.YA689: LT-42DR1BJ, LT-42DR1BU TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Contents Items LT-37DR1BU LT-37DR1BJ Dimensions ( W × H × D ) 90.8 cm × 63.6 cm × 27.9 cm [Included stand] 90.8 cm × 58.7 cm × 10.9 cm [TV only] Mass 17.8 kg [Included stand] 16.5 kg [TV only]...
  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFETY PRECAUTIONS [EXCEPT FOR UK] (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,...
  • Page 4 SAFETY PRECAUTIONS [FOR UK] (1) The design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits.
  • Page 5 1.3.3 INSTALLATION REQUIREMENTS (1) Avoid placing the unit under direct sunlight over a To ensure safety in an emergency such as an earthquake, and prolonged period of time. This may cause the optical filter to prevent accidents, ensure that measures are taken to prevent to deteriorate in quality and COLOUR.
  • Page 6: Specific Service Instructions

    This function makes it easier to see the dark areas when a picture has many dark areas, and makes it easier to see the bright areas when a picture has many bright areas. MAIN DIFFERENCE LIST Item LT-37DR1BJ LT-37DR1BU POWER CORD UK Type (3-Pins) EU Type (2-Pins)
  • Page 7 21-PIN EURO CONNECTOR (SCART) : EXT-1 / EXT-2 Pin No. Signal designation Matching value EXT-1 EXT-2 AUDIO R output 500mV(rms) (Nominal), Low impedance Used (TV OUT) Used (LINE OUT) AUDIO R input 500mV(rms) (Nominal), High impedance Used (R1) Used (R2) AUDIO L output 500mV(rms) (Nominal), Low impedance Used (TV OUT)
  • Page 8 TECHNICAL INFORMATION 2.4.1 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.
  • Page 9 2.4.2 VIDEO PROCESSING CPU PIN FUNCTION [IC4101 : MAIN PWB] Pin name Function Pin name Function 53 LVDS_SEL Not used REQUEST Request for MIPS 54 NC Not used Not used 55 NC Not used Not used 56 NC Not used Not used 57 MODE3 Not used...
  • Page 10: Disassembly

    SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE • Make sure that the power cord is disconnected from the outlet. • Pay special attention not to break or damage the parts. • Make sure that there is no bent or stain on the connectors before inserting, and firmly insert the connectors. •...
  • Page 11 POWER CORD COVER POWER CORD REAR COVER MAIN PWB INSULATOR DIGITAL BASE POWER PWB TERMINAL BASE MAIN BASE STAND CONTROL ASSY REMOTE PWB SW PWB LCD SUPPORT BRACKET LCD PANEL UNIT LCD SUPPORT BRACKET SPEAKER LED PWB FRONT PANEL LCD SUPPORT BRACKET SPEAKER Fig.3-1 (No.YA688<Rev.001>)1-11...
  • Page 12 3.1.10 REMOVING THE CONTROL PWB (Fig.3-2) 3.1.11 REMOVING THE INVERTER PWB (Fig.3-2) • Remove the REAR COVER. • Remove the REAR COVER. • Remove the MIAN BASE. (1) Remove the 6 screws [B]. (1) Remove the 5 screws [A]. (2) Remove the INVERTER PWB COVER. (2) Remove the LCD CONTROL PWB COVER.
  • Page 13 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 Symbol Number of pins Mounting PWB Main content of data...
  • Page 14 3.2.4.3 REMOTE CONTROL MENU OPERATION (1) PICTURE (3) SYSTEM SETUP Setting item Setting position Setting item Setting position Picture Mode Bright (SHOP) Time Zone Auto Standard (HOME) System Language English Colour Temp. Cool(SHOP) Assistive Services Normal(HOME) Enter PIN code Features Maturity Rating None Super Digipure...
  • Page 15 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.
  • Page 16: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION BASIC OPERATION OF SERVICE MODE (1) There are 2 ways of adjusting this TV : One is with the 4.4.1 HOW TO ENTER THE SERVICE MODE REMOTE CONTROL UNIT and the other is the (1) Press [INFORMATION] key and [MUTING] key on the conventional method using adjustment parts and remote control unit simultaneously to enter the SERVICE components.
  • Page 17 4.4.4 SERVICE MODE FLOW CHART SERVICE MENU SCREEN Service Menu Adjust Monitor Mode System Configuration Software Update I2c Stop Mode EDID Write Protect HDMI_EQ Setting Software Version Check Calibration Setting Apply Navigate Cancel ADJUSTMENT MODE MONITOR MODE Monitor Mode Selected source Frecuency 045.25 S001...
  • Page 18 4.4.5 SERVICE MODE ITEMS 4.4.5.2 MONITOR MODE This mode displays the signal status of channel that has been 4.4.5.1 ADJUSTMENT MODE selected now. This mode is used to adjust the VIDEO CIRCUIT. HOW TO ENTER THE ADJUSTMENT MODE 4.4.5.3 SYSTEM CONFIGRATION When the SERVICE MENU SCREEN of SERVICE MODE is This mode selects the function that can be used by the user displayed, press [1] key to enter the ADJUSTMENT MODE.
  • Page 19: Troubleshooting

    ADJUSTMENT PROCEDURE Measuring Item Adjustment part Description instrument SOUND Remote control unit [9. Calibration Setting] (1) Receive any bilingual broadcast. CALIBRATION (2) Select "9. Calibration Setting" from the SERVICE MODE. (3) Press the "OK" key to start the calibration. (4) After "Finish" is displayed, press the [MENU] key to exit the menu.
  • Page 20 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA688<Rev.001>) Printed in Japan...
  • Page 21 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.
  • Page 22 POWER P.W. BOARD ASS'Y (SFY-9007A-H3) ....................3-14 REMOTE CONTROL UNIT PARTS LIST (RM-C2501-1C) ..................3-16 PACKING ................................... 3-16 PACKING PARTS LIST ............................. 3-16 USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y No. P.W.B ASS'Y name LT-37DR1BJ/PP LT-37DR1BU/PP ← MAIN P.W.B SFY-1008A-H3 ← SW P.W.B SFY-7703A-H3 ←...
  • Page 23: Exploded View Parts List

    EXPLODED VIEW PARTS LIST  Ref.No. Part No. Part Name Description Local WJW0112-001A-E DIGITAL(LVDS) CABLE MAIN CN4003 - LCD PANEL UNIT  TU1 QAU0514-001 TUNER LC13695-001A-L REAR COVER  LC13691-001A-L FRONT PANEL  QLD0598-001-JAP LCD PANEL UNIT  QAS0576-001 SPEAKER (x2) ...
  • Page 24: Exploded View

    EXPLODED VIEW <REAR COVER (INNER SIDE)> RATING LABEL LCD PANEL UNIT 3-4(No.YA688<Rev.001>)
  • Page 25: Printed Wiring Board Parts List

    PRINTED WIRING BOARD PARTS LIST MAIN P.W. BOARD ASS'Y (SFY-1008A-H3) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local Q4651 2SC3928A/QR/-X TRANSISTOR Q4652 RT1N441C-X TRANSISTOR IC1001 PNX8541E/M12008 Q4701 2SC3928A/QR/-X TRANSISTOR IC1002 M25P05-32DR1BJ (SERVICE) Q4731 TPC8208-X POWER MOS FET...
  • Page 26 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D4732 MA2SD31-X SB DIODE C1551 NCB31CK-104X C CAPACITOR 0.1uF 16V K D4771 EC30HA03L-X SB DIODE C1552 NCB31CK-104X C CAPACITOR 0.1uF 16V K D4774 EC30HA03L-X SB DIODE C1553 NCB31CK-104X...
  • Page 27 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C2555 NCB31CK-223X C CAPACITOR 0.022uF 16V K C2701 NCB31CK-104X C CAPACITOR 0.1uF 16V K C2556 NCB31CK-223X C CAPACITOR 0.022uF 16V K C2703 NCB11CK-225X C CAPACITOR 2.2uF 16V K C2559 NDC31HJ-271X...
  • Page 28 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C3518 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C4613 NEHL1CM-476X E CAPACITOR 47uF 16V M C3519 NDC31HJ-180X C CAPACITOR 18pF 50V J C4614 NEHL0GM-227X E CAPACITOR 220uF 4V M C3520 NDC31HJ-180X...
  • Page 29 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C4799 NCJ20JK-106X-D C CAPACITOR 10uF 6.3V K R1147 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J C4801 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z R1148 NRSA63J-103X MG RESISTOR 10kΩ...
  • Page 30 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1529 NRSA63J-330X MG RESISTOR 33Ω 1/16W J R2061 NRSA63J-750X MG RESISTOR 75Ω 1/16W J R1530 NRSA63J-330X MG RESISTOR 33Ω 1/16W J R2064 NRSA63J-103X MG RESISTOR 10kΩ...
  • Page 31 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R2607 NRSA63J-750X MG RESISTOR 75Ω 1/16W J R2852 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R2611 NRSA63J-221X MG RESISTOR 220Ω 1/16W J R2860 NRSA63J-330X MG RESISTOR 33Ω...
  • Page 32 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R3541 NRSA63J-153X MG RESISTOR 15kΩ 1/16W J R4149 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J R3542 NRSA63J-153X MG RESISTOR 15kΩ 1/16W J R4150 NRSA63J-101X MG RESISTOR 100Ω...
  • Page 33 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R4776 NRSA63J-823X MG RESISTOR 82kΩ 1/16W J L2522 NQL093K-3R3X COIL 3.3uH K R4777 NRSA02J-390X MG RESISTOR 39Ω 1/10W J L2523 NQL093K-3R3X COIL 3.3uH K R4778 NRSA63J-472X MG RESISTOR...
  • Page 34: Sw P.w. Board Ass'y (Sfy-7703A-H3)

    LED P.W. BOARD ASS'Y (SFY-8603A-H3) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local K4022 NQR0499-001X FERRITE BEADS K4023 NQR0499-001X FERRITE BEADS Q8601 RT1P440C-X DIGI TRANSISTOR K4024 NQR0499-001X FERRITE BEADS K4101 NQR0499-001X FERRITE BEADS Q8605 RT1N241C-X DIGI TRANSISTOR...
  • Page 35 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C9205 QFP32JK-222 PP CAPACITOR 2200pF 630V K R9606 NRSA63D-273X MG RESISTOR 27kΩ 1/16W D C9206 QEHR1HM-105Z E CAPACITOR 1uF 50V M R9607 NRSA63D-682X MG RESISTOR 6.8kΩ...
  • Page 36: Remote Control Unit Parts List (Rm-C2501-1C)

    REMOTE CONTROL UNIT PARTS LIST (RM-C2501-1C)  Ref.No. Part No. Part Name Description Local 59005-0003360 BATTERY COVER PACKING PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local ------------ PACKING CASE Not supply ------------ CUSHION ASSY Not supply RM-C2501-1C REMOTE CONTROL UNIT ------------ BATTERY...
  • Page 37 SCHEMATIC DIAGRAMS COLOUR TELEVISION INTEGRATED DIGITAL TERRESTRIAL LCD TELEVISION LT-37DR1BJ , LT-37DR1BU BASIC CHASSIS DVD-ROM No.SML2009Q1 No.YA688<Rev.001> COPYRIGHT © 2009 Victor Company of Japan, Limited. 2009/4...
  • Page 38 LT-37DR1BJ LT-37DR1BU STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type No indication : Ceramic capacitor The components identified by the symbol and shading are : Metalized mylar capacitor critical for safety. For continued safety replace safety ciritical : Polypropylene capacitor components only with manufactures recommended parts.
  • Page 39 SW PWB PATTERN ..........................2-47 LED PWB PATTERN ..........................2-47 IR PWB PATTERN ............................ 2-47 VOLTAGE CHARTS ................... 2-49 WAVEFORMS .................... 2-51 USING P.W. BOARD P.W.B ASS’Y name LT-37DR1BU/PP LT-37DR1BJ/PP SFY-1008A-H3 MAIN P.W. BOARD SW P.W. BOARD SFY-7703A-H3 SFY-8603A-H3 LED P.W. BOARD SFY-8803A-H3 IR P.W.
  • Page 40: Wiring Diagram

    WIRING DIAGRAM LCD PANEL UNIT LCD PANEL UNIT CN9002 CN9005 [INVERTER PWB] [LCD CONTROL PWB] CN1004 CN1005 CN4003 POWER PWB CN4651 CN4701 MAIN PWB CN9010 TU2001 F9001 T3.15AH 250V POWER CORD FRONT CN7701 LED PWB CN8701 SPEAKER(L) SPEAKER(R) IR PWB CN8801 SW PWB (No.YA688<Rev.001>)2-3...
  • Page 41: Block Diagram

    BLOCK DIAGRAM MAIN PWB TU2001 CVBS LED PWB DIGITAL/ANALOG (VHF/UHF) TUNER IC1502 D8601 POWER_LED IC1503 IC1004 IC2001 POWER FRAME SETTING MEMORY MEMORY DVB(COFDM) DECODE IR PWB IC3001 SCL2 CVBS_4 IF_P/N TNR_TSD10-17 SDA2 HDMI SELECT HM_ADT0PX/NX REMOCON EXT-4 HM_ADT1PX/NX HDMI 1 IC8952 HM_ADT2PX/NX CONDITIONAL ACCESS...
  • Page 42: Circuit Diagrams

    CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/13) R2084 C2051 0.01 R2085 C2052 0.01 DIGITAL/ANALOG (VHF/UHF) TUNER L2008 TU2001 QAU0514-001 R2031 C2056 C2057 CVBS 24 R2083 R2033 C2045 AS_IF TU_CVBS_SCART OPEN OPEN AUDIO L_AUDIO C2053 Q2001 R2079 3.3p ISA1530AC1/QR/X MAIN PWB(2/13) 2ndIF2 CVBS_4 2SA812A/5-6/-X...
  • Page 43 MAIN PWB CIRCUIT DIAGRAM (2/13) R2634 C2808 OPEN AV1_Y R2798 OPEN R2645 R2636 C2507 R2835 OPEN R2529 L2511 3.3u R2648 C2644 C2564 0.022 Q2506 D2566 R2869 RT6N230C-X C2812 OPEN NQL093K-3R3X DTC323TK-X OPEN OPEN G_VGA LCD_POW_N R2556 L2539 Q2507 R2509 OPEN R2638 L2527 3.3u...
  • Page 44 MAIN PWB CIRCUIT DIAGRAM (3/13) STB3.3V 3.3V STB5V MAIN PWB ASS'Y(3/13) K3001 K3002 OPEN D3013 MA111-X SFY-1008A-H3 1SS355W-X K3008 K3009 OPEN R3057 OPEN STB3.3V MAIN PWB(11/13) CEC_IN C3001 R3070 C3002 R3071 Q3010 2SC3928A/QR/-X R3067 Q3011 RT1N441C-X UN2213-X HDMI_SEL1 R3069 OPEN HM_CEC1 IC1001 R3014...
  • Page 45 MAIN PWB CIRCUIT DIAGRAM (4/13) PCI_CBE PCI_CBE PCI-CBE[1,2] MAIN PWB(11/13) PCI_AD PCI_AD PCI_AD PCI-AD[0-14,16-19,22-31] PCMCIA_A PCMCIA_A PCMCIA_A PCMCIA_A CA_CNT CA_CNT CA_CNT CA_CNT 3.3V IC3201 TC74LCX244FT-X CA-ADDEN PCI-AD10 PCMCIA-A3 PCMCIA-A10 PCI-AD11 PCI-AD3 PCMCIA-A2 PCMCIA-A11 PCI-AD13 PCI-AD2 PCMCIA-A1 PCMCIA-A13 PCI-AD12 PCI-AD1 PCMCIA-A0 PCMCIA-A12 PCI-AD0 C3201...
  • Page 46 MAIN PWB CIRCUIT DIAGRAM (5/13) USB_DP2 MAIN PWB(11/13) IC1001 USB_DM2 PNX8541E/M12008 CONNECTOR PCI-AD0 PCI_AD0 *CN3501 CN3502 RA3501 PCI-AD1 PCI_AD1 LC3502 *LC3501 *J3501 OPEN NQR0603-001X 4 GND PCI-AD2 PCI_AD2 PCI-AD3 3 DP PCI_AD3 (PHOTO VIEWER) PCI-AD4 2 DM PCI_AD4 PCI-AD5 1 VCC PCI_AD5 PCI-AD6 C3524...
  • Page 47 MAIN PWB CIRCUIT DIAGRAM (6/13) IC1001 PNX8541E/M12008 1.8V M_DQ0 M_DQ0 VDDQ C1527 M_DQ1 R1577 M_DQS1_N M_DQ1 UDQS AD28 M_DQ2 C1511 M_DQ2 VSSQ AB28 M_DQ3 M_DQ3 M_DQM1 DQ15 R1576 M_DQ15 AB30 M_DQ4 M_DQ4 VSSQ VSSQ FRAME MEMORY AD29 M_DQ5 M_DQ14 R1558 R1575 M_DQS1_P M_DQ5...
  • Page 48 MAIN PWB CIRCUIT DIAGRAM (7/13) MAIN PWB ASS'Y(7/13) VDDA-LVDS 3.3V SFY-1008A-H3 IC1001 PNX8541E/M12008 K3804 MICROCOMPUTER/IF PROCESS/ IREF_LVDS R3858 VIDEO PROCESS/AUDIO PROCESS/ AG21 VIDEO SELECT/AUDIO SELECT/ A-D CONVERT/D-A CONVERT/ FROMAT CONVERT LOUT_EN C3847 AJ24 100/6.3 IC1001 LOUT_EP NEX60JM-107X C3845 C3843 C3844 C3842 AK24 LOUT_DN...
  • Page 49 MAIN PWB CIRCUIT DIAGRAM (8/13) MAIN PWB (13/13) OPEN MAIN PWB(9/13) MAIN PWB(9/13) *CN5002 QGA0504F1-51X LCD5/12V D3.3V R5051 R5052 OPEN OPEN R5050 OPEN RA5084 OPEN 1.25VD_VREF *K5201 *C5215 *C5216 220/6.3 NEX60JM-227X R5070 OPEN *IC5201 SC2596SE-X R5069 OPEN R5068 OPEN *C5219 R5067 OPEN *C5220...
  • Page 50 MAIN PWB CIRCUIT DIAGRAM (9/13) 2D NOISE REDUCTION/ ENHANCE/ GAMMA CORRECT/ COLOUR MANAGEMENT/ LCD PANEL UNIT 1.2V RGB DRIVE/LVDS DRIVE [LCD CONTROL PWB] K4002 NQR0499-001X C4009 VDD12 IC4001 C4058 C4010 VDD12 JCC5072 C4011 VDD12 2D NOISE REDUCTION/ C4012 VDD12 3.3V 3.3V ENHANCE/ C4013...
  • Page 51 MAIN PWB CIRCUIT DIAGRAM (10/13) 3.3V 1.8V K4504 K4501 OPEN OPEN *K4502 OPEN L4651 NQLF3EM-330X *K4503 OPEN STB5V AU_VCC AUAUDIO_VCC C4675 C4674 R4674 L4652 OPEN 0.33 0.22 NQLF3EM-330X *C4548 *IC4502 R4659 R4660 K4655 0.01 *R4549 MM1689AH-X OPEN NQR0499-002X D4651 *C4541 MA111-X 1SS355W-X C4677...
  • Page 52 MAIN PWB CIRCUIT DIAGRAM (11/13) OPEN OPEN FOR SERVICE +------------+------------+------------+------------+--------------+ |32DR1 |37DR1 |42DR1 |DV1 |reference |Diff |Diff |Diff |Diff CN1006 +------------+------------+------------+------------+--------------+ |# C1069 |OPEN |OPEN |OPEN |NCB31CK-104X| QGB0519J1-40X +------------+------------+------------+------------+--------------+ |# CN1007|OPEN |OPEN |OPEN |QGF0508C2-30W| +------------+------------+------------+------------+--------------+ |# CN1008|OPEN |OPEN |OPEN |QGA1501F4-06W| +------------+------------+------------+------------+--------------+ |# IC1023 |OPEN |OPEN...
  • Page 53 MAIN PWB CIRCUIT DIAGRAM (12/13) LC4858 +------------+------------+------------+------------+---------------+ NQR0628-004X MAIN PWB ASS'Y(12/13) |32DR1 |37DR1 |42DR1 |DV1 |reference |Diff |Diff |Diff |Diff BL_ON_MP +------------+------------+------------+------------+---------------+ MAIN PWB |# LC4856 |OPEN |OPEN |OPEN |NQR0450-008X | +------------+------------+------------+------------+---------------+ ANA_DIM_I_MP |# R4846 |NRSA63J-0R0X|OPEN |OPEN |OPEN (9/13) +------------+------------+------------+------------+---------------+ MAIN_POW_MP |# R4859 |OPEN |NRS12BJ-560W|NRS12BJ-560W|NRS12BJ-560W|...
  • Page 54 MAIN PWB CIRCUIT DIAGRAM (13/13) MAIN PWB(8/13) LVDS_SEL MAIN PWB(9/13),(12/13) LCD_POW_1 BL_ON R4150 MAIN PWB(9/13) BL_STATUS R4168 3.3V 3.3V CN4101 R4147 QGA1501F4-10W 3.3V R4146 E8_CE E8_WR AUDIO_RESET E8_EPM R4148 E8_HOLD SDA_AUDIO MAIN PWB(10/13) E8_CS E8_CS SCL_AUDIO R4143 4.7k E8_CLK OPEN E8_CLK E8_DATAI E8_DATAI...
  • Page 55: Power Pwb Circuit Diagram

    POWER PWB CIRCUIT DIAGRAM LCD PANEL UNIT [INVERTER PWB] OPEN CN9001 CN9002 QGA2013C2-10 QGA2013C2-14 POWER PWB ASS'Y L9001 L9002 GND24 QQR1866-001 QQR1866-001 Y9601 Y9602 QUY153-050Y QUY153-050Y SFY-9007A-H3 CP9202 T9201 OPEN QQS0440-001 C9606 D9001 OPEN D3SBA60 Y9001 R9221 CP9201 R9205 OPEN 1/2W QMFZ052-2R0Z-E 220k...
  • Page 56: Sw Pwb Circuit Diagram

    SW PWB CIRCUIT DIAGRAM POWER/CONTROL SWITCH S7707 SW PWB ASS'Y QSW1131-001Z SFY-7703A-H3 POWER CN7701 QGA2013C2-08 S7702 KEY1 QSW1131-001Z KEY2 S7701 QSW1131-001Z KEY3 MENU/OK C7703 C7701 OPEN MAIN PWB(11/13) OPEN C7702 OPEN INPUT CN1004 HP_L HP_GND D7701 MA111-X HP_R HP_DET D7702 MA111-X S7704 QSW1131-001Z...
  • Page 57: Led Pwb Circuit Diagram

    LED PWB CIRCUIT DIAGRAM R8604 R8603 R8602 R8601 OPEN OPEN C8601 CN8601 OPEN QGA2013F3-04 STB_5V Q8601 MAIN PWB(11/13) RT1P440C-X POWER_LED CN1005 Q8602 Q8605 DIMMER OPEN RT1N241C-X Q8603 OPEN Q8604 OPEN D8602 MA8068-X POWER D8601 SELT5E20CS/EF/T D8603 MA8068-X POWER LED [BLUE] LED PWB ASS'Y SFY-8603A-H3 c30285001a_0313_1/1_0.1...
  • Page 58: Ir Pwb Circuit Diagram

    IR PWB CIRCUIT DIAGRAM EE SENSOR C8954 IC8951 OPEN S9648-100 R8951 390K CN8901 R8952 R8954 QGA2013C2-05 EE SPACER IR RECEIVE [LC42895-001A-HK] GP1UE281RKC1 IC8952 C8956 R8953 WITH EE SENSOR MODEL MAIN PWB(11/13) OPEN C8951 REMOCON 120K CN1004 NCJ20JM-226X-A STNBY5V EE_CDS R8957 R8955 0Ω...
  • Page 59: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN [SOLDER SIDE] LC1007 CN5003 Q1013 C4612 LC1007 CN4003 R1213 R4623 C1075 LC4001 LC4002 R4066 R1205 LC1004 LC1005 R3901 R5080 R3890 R5079 LC1003 LC1004 LC1005 LC1009 C4668 C4612 RA4012 RA4011 RA4010 RA4009 RA4008 RA4007 R4630 R4627 LC1009 R4630 R4627...
  • Page 60 MAIN PWB PATTERN [PARTS SIDE] CN5002 CN3804 CN1007 CN4652 C4615 R4039 D2515 C1076 C3848 CN1007 RA5084 R3907 R4037 CN4652 R3907 L2552 R3884 LC1001 C4615 R3879 R3884 C4525 C4614 C4613 LC1002 C4518 LC1001 D2514 C4514 R2780 R2780 C4668 LC1002 C4611 R5073 C4513 C4613 R1290...
  • Page 61: Power Pwb Pattern

    POWER PWB PATTERN Y9055 Q9022 R9024 W9701 Q9551 Q9552 CN9005 W9303 C9004 CP9501 W9601 W9211 L9602 R9566 W9602 LCB90886 -001B R9561 H9551 R9552 R9555 C9561 W9406 MAIN POW PWB CP9601 R9556 R9553 W9404 W9407 C9560 TH9001 LF9003 Y9753 R9557 D9561 C9564 R9563 W9403...
  • Page 62: Sw Pwb Pattern

    SW PWB PATTERN C7012 R7014 R7012 D7011 S7701 LCB90803 -001B S7705 W7701 W7001 D7706 S7707 C7703 D7701 INPUT D7703 SW PWB VOL+ D7705 R7013 R7011 MARK S7702 VOL- S7704 S7706 MENU S7703 POWER J7001 CN7701 LED PWB PATTERN LED PWB LCB90849 -001A D8603 D8602...
  • Page 63: Voltage Charts

    VOLTAGE CHARTS <MAIN PWB(1/13)> <MAIN PWB(2/13)> <MAIN PWB(10/13)> MODE 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) DC (V) DC (V) DC (V) DC (V) DC (V)
  • Page 64: Waveforms

    WAVEFORMS MAIN PWB(1/12) TU2001-24 2.8 Vp-p (No.YA688<Rev.001>)2-51...
  • Page 65 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA688<Rev.001>) Printed in Japan...

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