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RCA LCD37V6SY Service Manual

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SERVICE MANUAL
1. Caution................................................. 2
2. Specification........................................... 6
3. BOM List............................................... 7
4. Alignment Procedure................................14
5. Schematic Diagram..................................17
6. Explode View Diagram
（Absence temporarily）............................34
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing, by
the constant improvement of product.
LCD37V6SY

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Summary of Contents for RCA LCD37V6SY

  • Page 1: Table Of Contents

    SERVICE MANUAL LCD37V6SY 1. Caution…………………………………………. 2 2. Specification……………………………………. 6 3. BOM List……………………………………….. 7 4. Alignment Procedure…………………………..14 5. Schematic Diagram…………………………….17 6. Explode View Diagram （Absence temporarily）……………………….34 This manual is the latest at the time of printing, and does not include the modification which may be made after the printing, by...

  • Page 2: Caution

    SCHNEIDER ELECTRONICS GMBH-GERMANY 1. CAUTION CA UTION: Use of controls, adjustments or procedures other than those specified herein may result in hazardous radiation exposure. CA UT ION : T O RE DUCE TH E RIS K OF CA U T ION ELECTR ICA L SHOCK, DO NOT RE MOVE COVER (OR BACK).
  • Page 3 SCHNEIDER ELECTRONICS GMBH-GERMANY IMPORTANT SAFETY INSTRUCTIONS CAUTION: Read all of these instructions. Sa ve these instructions for later use . Follo w all W arnings and Instructions marked on the audio equipment. 1. Read Instructions-All the safety and operating instructionsshouldbe read before the productis operated. 2.
  • Page 4 SCHNEIDER ELECTRONICS GMBH-GERMANY PROTECTION AND LOCATION OF YOUR SET Do not use this television set near water ... for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel.
  • Page 5 SCHNEIDER ELECTRONICS GMBH-GERMANY OPERATION OF YOUR SET 18. This television set should be operated only from the type of power source indicated on the marking label.If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions.

  • Page 6: Specification

    AV in*3(CVBS+R,L) View angle Respond time 16ms S-Video in*1 OSD language English,French, YPbPr/YCbCr in*1 Spanish,Portuguese VGA in*1 Socket TV:69 CATV:125 Channel DVI*1 Output Power supply 100~240V 50/60HZ AV(RCA) out* 1(CVBS+R,L) Power consup. 180W Headphone out*1 Sound power rate 2*8W Woofer out...

  • Page 7: Bom List

    3.Bom List ITEM SPEC. QTY LOCATION H3-37V6AY-SY13 T8-37V6AY-ANY CONGRAGATE BD ASSEMBLY 09-55C5V1-DTX SMD.DIODE BZV55-C5V1 D506 09-0BAV70-ATX SMD DIODE BAV70 D514 09-FM5817-STX SMD.DIODE FM5817 D510;D511;D512;D513 09-LL4148-ATX SMD. SWITCHING DIODE LL4148 D508;D507;D505;D504;D509;D503;D501;D516 10-HS18VC-DBX DIODE 500MW 18HSC D502 Q514;Q513;Q512;Q511;Q505;Q504;Q503;Q518; 12-BT3904-0BX SMD. TRANSISTOR MMBT3904LT1(NPN) Q515;Q501;Q516;Q517 12-BT3906-0BX SMD.
  • Page 8 ITEM SPEC. QTY LOCATION 19-BB0822-FTX RES.SMD 1/10W 8.2KOHM +/-1% R565 19-CC0680-JTX RES. SMD 68 OHM 1/8W +/-5% R617 C642;C634;C606;C617;C577;C565;C562;C558; 25-BCB100-M1X CAP. ELEC 10 UF 16V +/-20% C555;C534;C506;C516;C527;C528;C529;C530; C531;C532;C533 C603;C547;C549;C556;C560;C563;C566;C569; 25-BCB101-M1X CAP. ELEC 100 UF 16V +/-20% C571;C600;C632;C633;C636;C637 25-BCB220-M1X CAP. ELEC 22 UF 16V +/-20% C602;C605;C608 25-BCB470-M1X CAP.
  • Page 9 J505 46-CC005T-09Q HS 9P UL4007#24 50MM FOR J504 46-FF010F-05001 HS 5P UL1185#26 100MM FOR J502 46-FF055F-07001 HS 7P UL1007#24 550MM FOR J503 47-RCA009-XX4 RCA SOCKET AV-3.2-3W-052 P501;P504;P506 47-SVI008-XX1 SOCKET DSW-506WT-L P503 49-382630-BAT BATT. CR2025 67-387200-3A0 HEAT SINK FOR U505 T8-37V6AY-DIY DIGITAL BD ASSEMBLY D023;D022;D021;D020;D019;D018;D017;D016;...
  • Page 10 ITEM SPEC. QTY LOCATION 19-AB0222-JTX RES SMD 2.2K OHM 1/10W 0603 R147;R146 R061;R053;R052;R051;R050;R049;R225;R047; 19-AB0223-JTX SMD. RES 22K OHM 1/10W +/-5% 0603 R226;R046;R222;R223;R054;R048;R060;R031; R059;R058;R057;R056;R055 19-AB0243-JTX SMD. RES 24K OHM 1/10W +/-5% 0603 R137 19-AB0271-JTX SMD. RES 270 OHM 1/10W +/-5% 0603 R217 19-AB0332-JTX SMD RES 3.3K OHM 1/10W 0603...
  • Page 11 CONNECTOR J005 46-FF025F-04001 HS 4P UL1185#26 250MM FOR J009 47-DVI001-KX0 DVI SOCKET KL-DIV024-04A P001 47-EAR005-XX0 EARPHONE SOCKET CK3-3.5-3WK-E J002 47-RCA009-XX4 RCA SOCKET AV-3.2-3W-052 J006 47-RCA123-XX0 RCA SOCKET AV-3.2-2W-G6 J004;J003 47-RCA125-XX1 RCA SOCKET AV-3.2-3W-051 J007 47-VGA004-XX0 VGA SOCKET D-SUB-15S(BLACK) P004 67-387190-0A0...
  • Page 12 ITEM SPEC. QTY LOCATION 40-LD32V6-FBC1X P.C.B.FRONT CTL BD 41-WJ0075-B00 WIRE BARE JUMPER 7.5MM 41-WJ0080-B00 WIRE BARE JUMPER 8 MM 41-WJ0100-B00 WIRE BARE JUMPER 10MM 46-35184W-02X PIN BASE *2 TJC1-2A P801;P802 46-35199W-07X CONN.PH-7A PITCH=2.0MM 7PIN 48-POW001-XX0 SWITCH POWER KDC-A11 B2 SW801 48-TAC002-XX0 TACT SWITCH SW1;SW2;SW3;SW4;SW5;SW6...
  • Page 13 ITEM SPEC. QTY LOCATION 25-DFB229-M1X CAP. ELEC 2.2 UF 50V +/-20% BP 35-FB0927-00X MAGNETISM RING ZCAT2035-0930A 42-61308G-XX2 SPEAKER YDP613-22A 42-G3508F-XX2 SPEAKER 8 OHM 8W 46-40022H-02X SPEAKER HS 2Y Y0509142.3 4A-LCD37T-LG1 37"LPL TFT SCREEN LC370WX1-SL01 T8-37V6AY-FCNZ ASS'Y-ARFFRONTCABINET 55-804010-0UA1B FRONT CABINET 56-707220-0HA4R POWER KNOB 56-707240-0HA4R PUSH BOTTON...

  • Page 14: Alignment Procedure

    4. ALIGNMENT PROCEDURE To enter the Factory Mode Press Vol.- key to reduce the volume to 0. Press the MUTE key and the password “9735” continuously in 5 seconds to enter the Factory Mode. Press Pro.-/Pro.+ key to select the option, and press Vol.+ to confirm or change the value. To enter the Service Menu 1.
  • Page 15 In factory mode, enter the Balance menu and change the input source to HD. And press Pro.-/+ key to select YUVcalbr and press Vol.+ key to activate Input the pattern as below from a DVD player. Enter the ADCBal. Menu, and adjust Y/G Offset until the darkest scale is just obvious.
  • Page 16 G Offset G offset for black balance adjustment B Offset B offset for black balance adjustment R Gain R Gain for white balance adjustment G Gain G Gain for white balance adjustment B Gain B Gain for white balance adjustment VGAcalbr Color calibration for VGA source YUVcalbr...

  • Page 17: Schematic Diagram

    12uH L701 C701 C702 0.1U 47U 16V J703 R701 C703 Q701 100U 16V J701 SOT-23 Q702 SOT-23 R721 0/NC R720 0 C704 470U 16V R702 R703 1.3K R704 J702 R709 R719 C707 VIDEO R706 U701 RT34063 +31V C706 C705 220UH D701 IN4148 R718 100 Q703...
  • Page 18 J505 BASS +5AV J504 +12V J508 J503 AV2-L HEADPHONE_L AV2-R C531 10u 25v L-OUT HEADPHONE_R AV1-L R-OUT C527 AV1-R AV3-R AV3-L KEY1 R-OUT KEY2 C532 10u 25V L-OUT C533 10u 25v Q502 10u 25v C530 C529 3904 10u 25V 10u 25V C528 C534 10u 25V...
  • Page 19 Page 11 MUTE RESETn Page 2 DPF_L DPF_L DPF_R DPF_R GRXD Page 4 GTXD Page 12 04_HDTVIN 12_MAIN_MEMORY HDY1 HDY1 LED-OUT HDCR1 HDCR1 HDCB1 HDCB1 KEY1 HDSOG1 DPWON HDSOG1 DPWON DPWON KEY2 Page 13 LVDSON LVDSON LVDSON 13_DISPLAY PWM2 CONTRAL PWM2 PWM2 2300Y...
  • Page 20 AV33 AV33 GSCL GSDA R001 26.7 RX2m AV33 V33SW R002 AV33 L001 FB_1K_OHM_200MA R003 26.7 RX2p R004 26.7 RX1m VCCD VCCD TP027 VCCD VCCD R005 R006 R007 VCCD 4.75K 4.75K VCCSW R008 VCCD TP028 VCCD R009 26.7 4.75K U001 RX1p R010 26.7 GVCK...
  • Page 21 LVDS Output L002 FERRITE BEAD PANEL_POWER Connector DF14A-30P-1.25H DCLK1 RDCLK RP001 DCLK RDVS L003 DCLK3 AA19 FERRITE BEAD RDR0 RP002 AB14 RDR1 AB15 RDR2 AB16 C017 C018 DCLK1 RDR3 C019 C020 AB17 CLKIN RDR4 RP003 AA14 0.01uF 10uF_6V RDR5 0.01uF 10uF_6V AB18 TXIN0...
  • Page 22 AU-5V AU-5V AU-5V AU-5V AU-5V AU-5V J002 DVIR DVIR HDR1 HDR1 J004 J003 DVIL DVIL HDL1 HDL1 PHONEJACK STEREO R040 R041 CONNECTOR COAX-J R042 R043 R044 R045 CONNECTOR COAX-J VCCSW AU-5V L009 25uH C035 AU-5V 10uf AU-5V AU-5V AU-5V AU-5V AU-5V AU-5V AU-5V...
  • Page 23 V18P VCCSW V33ADC V18A V18A V18A VCCSW V33A V33A V33A FB_1K_OHM_200MA FB_1K_OHM_200MA L010 L011 U006 LM1117 U007 LM1117 C047 C049 V18SP 47uF_E 47uF_E FB_1K_OHM_200MA L012 V18ADJ V33ADJ V18A V33A V33ADC V18P V18SP V18SW V33A V33ADC V18A V18P V18SP V33SW V33SW V18SW U008D PW3300...
  • Page 24 R066 PT7M7809 VCCSW R067 IIC1 DO NOT STUFF R068 R069 GRXD R071 GTXD R070 CON4 Y001XTAL14.31818 SW_MOM_4P R072 R073 1.00M 2.21K RESET A[19:1] C083 C084 RSTn RESET 18pF 18pF XTALIN R074 XTALOUT 10.0K R174 AB13 IRRCVR0 C085 R075 AA13 TP002 IRRCVR1 18pF PORTA0...
  • Page 25 JP002 45 HEADER SMXJ SMXJ GRXD RP012 R094 DATACLK IN0CLK IN0CLK IN0CMP IN0CMP DATACLK IN0PEN IN0PEN IN0CST IN0CST IN1CLK IN1CMP DE_SM R095 47.5 IN0VBI IN0VBI IN1PEN IN1CST IN1HS R096 47.5 IN0AHS IN0AHS IN1VBI qqq1 IN1VS R097 IN0HS IN0HS IN1AHS GTXD DIPB/OE IN0VS IN0VS...
  • Page 26 REV. DATE ECN NUMBER DESCRIPTION OF CHANGE Initial release. 5-5-04 Confidential Title Revision History Size Document Number 900-0254-00 Trinity Production Reference Design <Variant Name> Date: Monday, October 25, 2004 Sheet...
  • Page 27 MMD[31:0] MMD0 RP017 RP018 RMCK0 U012 M13S128168A MREFIN0 MMD1 RMCK1 VDD1 MREFIN1 MMD2 RMCK RMCK0n VDD2 MMD3 RMCKn RMCK1n VREF VDD3 MMD4 RP019 R100 RMCKE RMCKE VDDQ1 MMD5 MCKn R101 VDDQ2 MMD6 MCKFBK VDDQ3 MMD7 VDDQ4 MCKFBK MMD8 RP020 VDDQ5 MCKE MMD9 MMD10...
  • Page 28 PWR1 P_ON R104 10.0K C106 VCCSW R105 L013 25uH 0.1uF VCCSW lt1084-3.3V AV18ON Q005A L015 C107 U014 C108 L014 4.7uH IRF7314 VOUT 470UF_E L016 25uH 470UF_E Q006 V18SW 33R FB GND/ADJ C109 C110 CONN PCB 9 C111 R106 0.1uF 100uF/16V 100uF/16V R108 10.0K...
  • Page 29 U008C PW3300 U008A PW3300 IN0RO[9:2] VCCG RX2p DGRE0 RP033 IN0RO2 RX2p SYSCLKT RX2P DGRE0 RX2m DGRE1 IN0RO3 Y002XTAL27.000 XOUT RX2m XOUT EXTINT RX2M DGRE1 RX1p DGRE2 IN0RO4 RX1p RX1P DGRE2 RX1m DGRE3 IN0RO5 R115 4.75K RX1m RX1M DGRE3 GPIO0 RX0p DGRE4 RP034 IN0RO6...
  • Page 30 VCCG R143 VCCG VCCG VCCG VCCG 4.75K VCCG VCCG VCCG VCCG R144 R145 R146 R147 VCCSW VCCG D012 VCCG U018 24LC21A 4.75K 4.75K 2.21K 2.21K VCLK BAV70L R148 R149 4.75K P004 4.75K GTXD GTXD GRXD FB_11_OHM_500MA FB_11_OHM_500MA VCCG GBLU L024 GBLUF L025 GBLUC...
  • Page 31 ROMOEn ROMWEn R160 1.00K U020 R161 ICEWELn FCEn JP004 R162 ICEWEHn ICEn FWPn DO NOT STUFF BYTE R163 R164 R165 R166 2.00K 2.00K JP006 10.0K 10.0K JP005 HDR_2X1 HDR_4X1 U021 GND1 R167 SW_DPDT_SMT GND2 24LC32A 10.0K Flash_8M HDR_RA,25x2 Debugger Header A[19:1] D[15:0] Confidential...
  • Page 32 47pF J005 23CCL 40.2 10nH YO13 CO13 J006 CONNECTOR COAX-J R169 YOUT R-OUT R175 L-OUT L-OUT R176 R-OUT CONTRAL MUTE RCA OUTPUT KEY1 KEY2 LED-OUT INT1 YOUT FID9 FID10 FID11 FID12 FID13 FID14 FID15 FID16 FID17 FID18 FID19 FID20 FID21...
  • Page 33 L030 L031 HD1CRF HD1CRC C187 HDCR1 330nH 470nH 0.18uF C188 C189 C190 R170 J007 150pF 82pF 56pF L032 HD1CRL HD1Y 56nH R171 3.32K HD1S C191 HD1CB HDSOG1 L033 L304 HD1YF HD1YC C192 HD1CR HDY1 330nH 470nH 0.18uF C193 C194 C195 R172 150pF 82pF...