Sanyo LCD-42K40TD Service Manual

Sanyo LCD-42K40TD Service Manual

Sanyo lcd television service manual
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SERVICE MANUAL LCD Television
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . 4-5
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . 6-8
On-screen Service Menu system . . . . . . . . . . . . 9-10
Service Adjustments . . . . . . . . . . . . . . . . . . . . . 11-13
Mechanical Disassembly . . . . . . . . . . . . . . . . . . 14-15
Chassis Electrical Parts List . . . . . . . . . . . . . . . 16-31
Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . 32
PCB Assemble . . . . . . . . . . . . . . . . . . . . . . . . . . 33-34
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . 35-37
Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . 38-43
N7DE
FILE NO.
Model No.
LCD-42K40TD
Service Ref. No. LCD-42K40TD-00
Product Code: 1-130-184-04
Original Version
Chassis Series: UE5-B
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.
SM
3010465

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Summary of Contents for Sanyo LCD-42K40TD

  • Page 1: Table Of Contents

    SERVICE MANUAL LCD Television Model No. LCD-42K40TD Service Ref. No. LCD-42K40TD-00 Contents Product Code: 1-130-184-04 Safety Notice ......2 Specifications .
  • Page 2: Safety Notice

    Safety Notice Safety Precautions The following precautions must be observed. 1:Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the cabinet or on the chassis. :When replacing a chassis in the cabinet, always be certain that all the protective devices are installed properly, such as, control knobs, adjustment covers or shields, barriers, etc..
  • Page 3: Specifications

    Specifications Model LCD-4K40TD Maximum Visible Range 106cm Picture Resolution 190(H) x 1080(V) Viewable Angle(L 。 /3) L/R:+/-89D, U/D:+/-89D Brightness 500cd/m² Degree of Colour Coverage ≥30% Mobile Trailer Time Voltage AC110-4V 50/60Hz Power Consumption 188W Power Management VESA DPMS Digital TV System DVB-T(K/8K COFDM), Band Wide: 7MHZ Video decoder:MPEG MP@HL Audio decoder:MPEG1,MPEG(Layer I/II),and DOLBY Digital(AC3)
  • Page 4: Chassis Block Diagrams

    Chassis Block Diagrams...
  • Page 5 Block Diagrams MSD109CL-H...
  • Page 6: Ic Block Diagrams

    K4H560438H IC Block Diagrams K4H560838H K4H561638H K4H561638H 16Mb x 16 32Mb x 8 64Mb x 4 66Pin TSOP II (400mil x 875mil) (0.65mm Pin Pitch) Bank Address BA0~BA1 UDQS LDQS Auto Precharge AP/A AP/A AP/A 256Mb TSOP-II Package Pinout...
  • Page 7 Block Diagrams CE6353(INTEL)
  • Page 8: Ic Block Diagrams

    IC Block Diagrams TDA9886 TPA3124D2 TPA3124D2PWPR PWP (TSSOP) PACKAGE (TOP VIEW) PVCCL PGNDL PGNDL PVCCL LOUT MUTE AVCC AVCC BYPASS GAIN0 AGND GAIN1 AGND PVCCR ROUT VCLAMP PGNDR PVCCR PGNDR...
  • Page 9: On-Screen Service Menu System

    On-screen Service Menu System General This set has an On-screen Menu system included in the CPU that allows remote operation for most of the service adjustments. On-screen Service Menu System Quick operation is needed to enter Service Mode. r How to enter the Service Menu 1.
  • Page 10 On-screen Service Menu System ■ Service Adjustment Data Table ADC ADJUST SOURCE R-GAIN G-GAIN B-GAIN R-OFFSET G-OFFSET B-OFFSET AUTO ADC <FAIL/SUCCESS> SOURCE YPbPr(SD) R-GAIN G-GAIN B-GAIN R-OFFSET G-OFFSET B-OFFSET AUTO ADC <FAIL/SUCCESS> SOURCE YPbPr(HD) R-GAIN G-GAIN B-GAIN R-OFFSET G-OFFSET B-OFFSET AUTO ADC <FAIL/SUCCESS>...
  • Page 11: Service Adjustments

    Service Adjustments CAUTION ! Do not attempt to adjust service adjustments not listed below otherwise it may cause loss of performance and for correct operation. Setting the Initial data This adjustment is controlled by the CPU (IC5500) through the IIC Bus Data Line in the chassis, and those adjustment data are memorized the memory IC (IC5750).
  • Page 12 Service Adjustments ADC ADJUST 1. Enter the Service Mode. 2. Select "ADC ADJUST" by pressing ▲ or ▼ button, then press OK button to enter ADC ADJUST menu. ADC ADJUST SOURCE : SOURCE : R-GAIN : G-GAIN : B-GAIN : R-OFFSET : G-OFFSET : B-OFFSET :...
  • Page 13: Service Adjustments

    Service Adjustments W/B ADJUST Pattern White �attern 100% (in AV mode). Condition Picture Mode: STANDARD Color Temperature: NORMAL Aging Time: More than 10 minutes Adjustment 1. Enter the Service Mode. 2. Select "W/B ADJUST" by pressing ▲ or ▼ button, then press OK button to enter W/B ADJUST menu. W/B ADJUST BASE R-GAIN : BASE R-GAIN :...
  • Page 14: Mechanical Disassembly

    Mechanical Disassembly (一) Lid Back Removal Remove screws A and B, Take the Lid Back off. (A: pcs, B: 3pcs) BACK Picture 1. MAIN BOARD Picture . POWER BOARD...
  • Page 15 Mechanical Disassembly (二) Chassis Board and Stand Base Removal 1. Remove Screw E, take Power Board Holder, then take Power Board off. . Remove Screw A and E, take Main Board off. 3. Remove Screw F and G, take Stand Base off. (A: 3pcs, E: 1pcs, F: pcs, G: 4pcs) MAIN BOARD POWER BOARD...
  • Page 16: Chassis Electrical Parts List

    N7DE Chassis Electrical Parts List 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 17 N7DE Ref. No. Part No. Description Ref. No. Part No. Description 4051631612 TR 2SC2812N-L6-TB0 Q5900 4052203115 TR ISA1235AC1E 4051739813 TR 2SC3928A1R 4052203016 TR ISA1235AC1F 4051739912 TR 2SC3928A1S 4060214308 TR MMBTSA1235F Q004 4060214407 TR MMBTSC3928R 4051345925 TR 2SA1037AK-T146-R 4050144519 TR 2SC2412K T146 R 4051472215 TR 2SA1037AK-S-T146 4050144618...
  • Page 18 N7DE Ref. No. Part No. Description Ref. No. Part No. Description 4051472215 TR 2SA1037AK-S-T146 IC8003 4096990415 IC FSA1156P6X 4051739615 TR 2SA1235A1E CAPACITOR 4051739714 TR 2SA1235A1F Q7208 4060214407 TR MMBTSC3928R C001 4041084203 ELECT 470U M 4050144519 TR 2SC2412K T146 R C002 4041044900 CERAMIC 0.1U K...
  • Page 19 N7DE Ref. No. Part No. Description Ref. No. Part No. Description 4040947608 CERAMIC 22P J C124 4041038206 CERAMIC 10P J 4031459915 CERAMIC 22P J 4040946304 CERAMIC 10P J C102 4040944003 CERAMIC 0.1U Z 4031669215 CERAMIC 10P J C1021 4041038206 CERAMIC 10P J C125 4041038206...
  • Page 20 N7DE Ref. No. Part No. Description Ref. No. Part No. Description C405 4041034505 CERAMIC 0.1U K 4033827811 CERAMIC 2.2U K 4040950509 CERAMIC 0.1U K C5531 4041212903 CERAMIC 2.2U K 4032989619 CERAMIC 0.1U K 4033827811 CERAMIC 2.2U K C5500 4041038206 CERAMIC 10P J C5532 4041212903...
  • Page 21 N7DE Ref. No. Part No. Description Ref. No. Part No. Description C5905 4041040308 CERAMIC 1000P J C6804 4041116300 ELECT 470U M 6.3V 4040946502 CERAMIC 1000P J 4040987802 ELECT 470U M 6.3V 4032653213 CERAMIC 1000P J C6805 4041034505 CERAMIC 0.1U K C5906 4041067909 CERAMIC...
  • Page 22 N7DE Ref. No. Part No. Description Ref. No. Part No. Description 4032989619 CERAMIC 0.1U K 4040950509 CERAMIC 0.1U K C6832 4041034505 CERAMIC 0.1U K 4032989619 CERAMIC 0.1U K 4040950509 CERAMIC 0.1U K C6861 4041034505 CERAMIC 0.1U K 4032989619 CERAMIC 0.1U K 4040950509 CERAMIC 0.1U K...
  • Page 23 N7DE Ref. No. Part No. Description Ref. No. Part No. Description 4031573611 CERAMIC 100P J R1007 4012560418 MT-GLAZE 12K JA 1/10W C8070 4040944003 CERAMIC 0.1U Z R1008 4011505816 MT-GLAZE 100K JA 1/10W C8071 4040944003 CERAMIC 0.1U Z R101 4012556510 MT-GLAZE 100 JA 1/10W R102 4012556510...
  • Page 24 N7DE Ref. No. Part No. Description Ref. No. Part No. Description R134 4012560715 MT-GLAZE 33 JA 1/10W R5503 4012565611 MT-GLAZE 47 JA 1/10W R135 4012556510 MT-GLAZE 100 JA 1/10W R5504 4011506219 MT-GLAZE 1K JA 1/10W R136 4012556510 MT-GLAZE 100 JA 1/10W R5505 4012556510 MT-GLAZE...
  • Page 25 N7DE Ref. No. Part No. Description Ref. No. Part No. Description R6528 4013112814 MT-GLAZE 499 FA 1/10W R8052 4011505915 MT-GLAZE 10K JA 1/10W R6529 4012566014 MT-GLAZE 27K JA 1/10W R8053 4011623015 MT-GLAZE 22K JA 1/10W R6532 4012566014 MT-GLAZE 27K JA 1/10W R8054 4011506219 MT-GLAZE...
  • Page 26 N7DE Ref. No. Part No. Description Ref. No. Part No. Description L6708 6450363894 INDUCTOR,220 OHM DIODE 6520016989 INDUCTOR,220 OHM D001 4072187716 ZENER DIODE UDZS20B-TE-17 6520032071 INDUCTOR,220 OHM 4080641900 ZENER DIODE MM3Z 20B L6709 6450363894 INDUCTOR,220 OHM D002 4080627201 DIODE 1SS35 6520016989 INDUCTOR,220 OHM 4071630411...
  • Page 27 N7DE Ref. No. Part No. Description Ref. No. Part No. Description 6103501550 Q601 4052207004 TR STF21NM50N ASSY,PWB, LIGHT CENSOR, Q602 4052218802 TR STF13NK50Z Q604 4052218802 TR STF13NK50Z Q6800 4060214407 TR MMBTSC3928R 1AA0B10S286AB 4050144519 TR 2SC2412K T146 R 4050144618 TR 2SC2412K T146 S TRANSISTOR 4050158724 TR 2SC2812-L6-TB...
  • Page 28 N7DE Ref. No. Part No. Description Ref. No. Part No. Description C612 4041102600 ELECT 10U M INTEGRATED CIRCUIT C614 4041040209 CERAMIC 100P J IC1601 4096910512 IC FAN7602M 4040946403 CERAMIC 100P J IC602 4096965710 IC L6562ADTR C615 4041034802 CERAMIC 0.01U K IC604 4096915210 IC TL431ATA...
  • Page 29 N7DE Ref. No. Part No. Description Ref. No. Part No. Description C666 4041120604 CERAMIC 470P K 4032719602 CERAMIC 1000P K 4041156504 CERAMIC 470P K C696 4040912606 CERAMIC 0.1U K 4041156603 CERAMIC 470P K 4033701517 CERAMIC 0.1U K 4032475023 CERAMIC 470P K RESISTOR 4032691829 CERAMIC...
  • Page 30 N7DE Ref. No. Part No. Description Ref. No. Part No. Description R637 4012646518 MT-GLAZE 2.2K FA 1/10W 4072551408 VARISTOR S14K385E2 R642 4011505915 MT-GLAZE 10K JA 1/10W TRANSFORMER R643 4012563617 MT-GLAZE 15K JA 1/10W R644 4012561415 MT-GLAZE 330K JA 1/10W T6011 6520025219 TRANS,POWER,PULSE R645...
  • Page 31 N7DE Ref. No. Part No. Description Ref. No. Part No. Description D6806 4072219615 ZENER DIODE UDZS27B-TE-17 R1902 4011622414 MT-GLAZE 1.2K JA 1/10W 4080641306 ZENER DIODE MM3Z 27B R1903 4011623619 MT-GLAZE 470 JA 1/10W D6807 4072089713 ZD UDZS-TE-175.6B R1904 4012566915 MT-GLAZE 680 JA 1/10W 4080629700 ZENER DIODE MM3Z5V6B...
  • Page 32: Cabinet Parts List

    610 350 5824 CABINET FRONT BTM-N7DE 610 342 4996 DEC IND RC-N6VV 610 345 3736 DEC CONTROL SHEET-N6WM 610 351 8961 SANYO BADGE-N8WJ 610 342 5016 STAND BASE-N6VV 610 344 7698 ASSY,PWB,RC-PWBUNIT JXPYG 610 339 8365 RC-BATTERY LID-JXPYC 610 354 1877...
  • Page 33: Pcb Assemble

    PCB ASSEMBLE...
  • Page 34 PCB ASSEMBLE...
  • Page 35: Printed Wiring Board

    Printed Wiring Board MAIN COMP BOARD Main Board (Solder Side) Main Board (Part Side) Light Cencor Board (Parts Side) Light Cencor Board (Solder Side) C1920 C1922 R1922 R1920 R1906 R1905 C1923 R1923 Q1903 *** ??? 1AA4B10S0550B...
  • Page 36 Printed Wiring Board POWER COMP BOARD Power Board (Part Side) Key Board (Parts Side RS232 Board (Parts Side) H2001 *** ??? 1AA4B10S054AB K2005 K2003 C2029 J2004 K2001 J2001 C2032 J2002 IC2001...
  • Page 37 Printed Wiring Board POWER COMP BOARD Power Board (Solder Side) Key Board (Solder Side) RS232 Board (Solder Side) H2001 *** ??? K2005 1AA4B10S054AB J2071M SC2002 R2076 C2016 J2075M J2075F C2018 C2019 SC2003 J2071F L6819 SC2001 R2077 R2089 R2079 R2078 R2090 C2022 C2017 J2004...
  • Page 38: Schematic Diagram

    Schematic Diagram MAIN BOARD /1...
  • Page 39 Schematic Diagram MAIN BOARD / <TOP AV-VOUT> <BOTOM AV1-L> <TOP AV-LOUT> <BOTOM AV1-R> <TOP AV-ROUT>...
  • Page 40 Schematic Diagram POWER BOARD 7.5MM...
  • Page 41: Key Board

    Schematic Diagram KEY BOARD R1903 KEY_POWER 1/10GJ470C K1900_1 KEY0 R1900 R1901 KEY1 1/10GJ680C 1/10GJ470C K1900_4 TV/AV MENU DOWN DOWN POWER SW ON/OFF...
  • Page 42 Schematic Diagram RS3C RS232C OUTPUT RS232C INPUT J2075M SC2003 SC2002 Z30B0220G Z30B0220G RS_TX RS_RX C2023 Vout Ground/Adjust...
  • Page 43: Schematic Diagram

    Schematic Diagram SENSOR BOARD R1910 1/10GZ0C C1923 KZ0.1LBYDG R1907 1/10GZ0C R1908 R1909 1/10GJ1MC 1/10GJ4.7MC R1906 C1921 C1922 1/10GJ1.5KC 6.3KK10MB KK1000GQ D1903 Q1901 DLXLBB028 R1905 Q1902 1/10GJ750C R1902 R1903 1/10GJ100KC 1/10GJ10KC R1904 1/10GJ200KC C1901 16KZ1FA U1901_GND R1924 Q1903 R1923 R1925 1/10GZ0C B4J10XB070N K1901 SC004...
  • Page 44 SANYO Electronics CO., Ltd. Mar. 010...

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