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Sanyo LCD-32XA2 Service Manual
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Sanyo LCD-32XA2 Service Manual

Sanyo LCD-32XA2 Service Manual

Sanyo lcd-32xa2 lcd television
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SERVICE MANUAL LCD Television
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . 4-5
CPU Port Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Sub CPU Port Functions . . . . . . . . . . . . . . . . . . . . . . . 7
Option Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
On-screen Service Menu System . . . . . . . . . . . . . . . . 9
Initialisation of memory IC . . . . . . . . . . . . . . . . . . . . . 10
Protection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Service Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 11
Mechanical Disassembly . . . . . . . . . . . . . . . . . . . 12-15
Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . 16-17
Chassis Electrical Parts List . . . . . . . . . . . . . . . . . 18-33
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . . 34-40
N2YW
FILE NO.
Model No. LCD-32XA2
Service Ref. No. LCD-32XA2-00
P
Product Code:111376317
Original Version
Chassis Series: UE2-A
Give complete "SERVICE REF. NO." for parts
order or servicing. It is shown on the rating label
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
differ from the design specifications. Refer
to the specification table.
REFERENCE NO.
(Middle East / Indonesia)
CS
SM
3010099

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Summary of Contents for Sanyo LCD-32XA2

  • Page 1: Table Of Contents

    FILE NO. SERVICE MANUAL LCD Television Model No. LCD-32XA2 (Middle East / Indonesia) Service Ref. No. LCD-32XA2-00 Contents Product Code:111376317 Original Version 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. 2: 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 Power Source AC100-264 Volts, 50/60Hz Colour System PAL/SECAM/NTSC4.43/NTSC3.58/PAL-60Hz Sound System B/G, D/K K’, I, M/M Channel Coverage VHF: E2-E12,A2-A13,R1-R12,J1-J12,K1-K9 UHF: 21-69,A14-A69,J13-J62 CATV: S1-S41, X, Y, Z, Z+1, Z+2 Aerial Input Impedance 75 Ω LCD Panel Screen Size (Measured Diagonally): 32 inches Picture Resolution: WXGA 1366 (Horiz.) x 768 (Vert.) pixels Viewing Angles: Horiz.

  • Page 4: Chassis Block Diagrams

    Chassis Block Diagrams (Video Signal Lines)
  • Page 5 Chassis Block Diagrams (Audio Signal Lines)

  • Page 6: Cpu Port Functions

    Main CPU Port Functions (IC801) Pin No. Port Name Function N_Reset Output Power error-1 input (AD Input) PLL Lock (Not used) LCD Brightness Output (Active=H) FAN Control Check (For manufacturing process) Power ON/OFF Switch Input Key Board Input (AD Input) 8-pin of Scart-1 Input (AD Input) 8-pin of Scart-2 Input (AD Input) 8-pin of Scart-3 Input (AD Input)

  • Page 7: Sub Cpu Port Functions

    Sub CPU Port Functions (IC1801) Pin No. Function Name Function C Bus Clock (For Tuner, IC101, IC3451 of Signal Unit) P3_7 TV_VGA (Not used) Reset Reset Input (L=Reset) Xout X’tal Osc. Output (10MHz) Vss (GND) X’tal Osc. Input (10MHz) Vcc=3.3V Mode Mode / Connected to Vcc P4_5...

  • Page 8: Option Setting

    Option Setting After replacing Memory IC (IC801) The memory IC (IC802), stores the option data of TV set and service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be programmed to the following settings and “ Service Adjustment” on page 11. 1) How to enter the Option Setting Mode Press and hold the OK button on the remote control and press the Programme Down ( ) button on the front control panel of the TV.

  • Page 9: On-Screen Service Menu System

    On-screen Service Menu System General This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments. On-screen Service Menu System 1) How to enter the Service Menu Press and hold the Green button of the remote control and press the Programme Down ( ) button on the front control panel of the TV, and the Main menu of service mode will be displayed.

  • Page 10: Initialisation Of Memory Ic

    Initialisation of Memory IC (IC802) How to Initialise the Memory IC To initialise the memory IC (IC802), press and hold the Picture Mode button on the remote control, then press the Programme Down button on the front panel of the TV set and then turn the Mains switch off and on. The initialisation is now completed.

  • Page 11: Service Adjustments

    Service Adjustments Important Notice: Do not attempt to adjust service adjustments not listed below otherwise it may cause loss of performance and for correct operation. AGC Adjustment Black Balance Adjustment [ Setting ] 1. Receive PAL colour bar pattern. 1. Connect a colour -bar generator to the external (ANT Input Level: 58dBµV 75 ohms terminated) (composite) video input terminal (AV1, AV2, AV3 or AV4 terminal), and input a dark gray pattern (10% white).

  • Page 12: Mechanical Disassembly

    Mechanical Disassembly 1. Stand Removal Position TV face down on a padded or cushioned surface to protect the screen and finish. Cushion AUDIO DVD INPUT Remove 2 screws and pull the stand in the direction of the arrow to remove. AUDIO DVD INPUT -12-...
  • Page 13 Mechanical Disassembly 2. Cabinet Back Removal Remove 11 screws and take the Cabinet Back off. Note: Cabinet Back can be removed even if it does not remove a stand. AUDIO DVD INPUT -13-...
  • Page 14 Mechanical Disassembly 3. Chassis Removal After removing Cabinet Back and Stand, detach Mounting Bracket by removing 4 screws, remove 8 screws of Chassis base, remove 2 screws of ASSY, PWB, CONTROL, disconnect each connectors and the chassis can be taken out. Fan Motor Chassis Base Speaker...
  • Page 15 Mechanical Disassembly 4. LCD Panel Removal The LCD panel can be taken out without removing the screw. LCD Panel For Gasket The gasket is provided to prevent exposure of interference for other radio and television receptions. The gasket should be replaced on previous positions after servicing. -15-...

  • Page 16: Cabinet Parts List

    Note: Parts order must contain Service Ref. No., Part No., and descriptions. Key No. Part No. Description Key No. Part No. Description 610 325 1165 CABINET FRONT-N2YW 610 324 7953 BADGE SANYO N2WW 610 322 8129 STAND BASE-N2WW 610 319 4639 DEC IND-N2WJ 610 319 4547 BUTTON-N2WJ -16-...
  • Page 17 Cabinet Parts List Note: Parts order must contain Service Ref. No., Part No., and descriptions. Key No. Part No. Description Key No. Part No. Description 610 326 7807 CABINET BACK-N2YKB-A 610 319 4622 DOOR-N2WJ 610 323 6728 DEC SHEET SIDE AV-N2WW 610 319 4806 TERMINAL BASE-N2WJ 610 322 6736...

  • Page 18: Chassis Electrical Parts List

    N2YW 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 19 N2YW Ref. No. Part No. Description Ref. No. Part No. Description 405 173 9912 TR 2SC3928A1S Q1854 405 014 4519 TR 2SC2412K T146 R Q1005 405 014 4519 TR 2SC2412K T146 R 405 014 4618 TR 2SC2412K T146 S 405 014 4618 TR 2SC2412K T146 S 405 015 8724 TR 2SC2812-L6-TB...
  • Page 20 N2YW Ref. No. Part No. Description Ref. No. Part No. Description C014 403 409 9306 ELECT 1000U M C1047 403 207 0317 CERAMIC 1U Z C015 403 372 7517 CERAMIC 2.2U K 6.3V C1050 403 215 2211 CERAMIC 0.01U K C019 403 207 0317 CERAMIC...
  • Page 21 N2YW Ref. No. Part No. Description Ref. No. Part No. Description 403 184 8313 ELECT 22U M C3515 403 368 7316 CERAMIC 10U K 6.3V C1863 403 164 0214 CERAMIC 0.1U Z 403 370 7618 CERAMIC 10U M 6.3V C3406 403 164 0214 CERAMIC 0.1U Z...
  • Page 22 N2YW Ref. No. Part No. Description Ref. No. Part No. Description R1023 401 037 2815 MT-GLAZE 75 JA 1/8W R1214 401 105 0415 MT-GLAZE 100 JA 1/16W R1024 401 105 0514 MT-GLAZE 1K JA 1/16W R1215 401 105 0415 MT-GLAZE 100 JA 1/16W R1026 401 105 0514...
  • Page 23 N2YW Ref. No. Part No. Description Ref. No. Part No. Description R1858 401 105 0415 MT-GLAZE 100 JA 1/16W R6670 401 037 5014 MT-GLAZE 0.000 ZA 1/10W R1862 401 105 0415 MT-GLAZE 100 JA 1/16W R6671 401 037 5014 MT-GLAZE 0.000 ZA 1/10W R1864 401 105 1719...
  • Page 24 N2YW Ref. No. Part No. Description Ref. No. Part No. Description MISCELLANEOUS JS1222 401 105 7919 MT-GLAZE 0.000 ZA 1/16W TH1841 408 052 7204 THERMISTOR TH11-3H103FT JS1223 401 105 7919 MT-GLAZE 0.000 ZA 1/16W JS123 401 105 7919 MT-GLAZE 0.000 ZA 1/16W TH1842 408 052 7204 THERMISTOR TH11-3H103FT...
  • Page 25 N2YW Ref. No. Part No. Description Ref. No. Part No. Description 610 319 5841 ASSY,PWB,SCAL,N2WJ 405 015 8724 TR 2SC2812-L6-TB 405 015 8922 TR 2SC2812-L7-TB 1AA0B10N13800 405 163 1612 TR 2SC2812N-L6-TB0 405 173 9813 TR 2SC3928A1R TRANSISTOR 405 173 9912 TR 2SC3928A1S Q4501 405 014 4519...
  • Page 26 N2YW Ref. No. Part No. Description Ref. No. Part No. Description C2024 403 169 2817 CERAMIC 330P J C4023 403 370 1517 CERAMIC 0.1U K C2025 403 391 5815 ELECT 100U M 6.3V C4024 403 370 1517 CERAMIC 0.1U K 403 178 6318 ELECT 100U M...
  • Page 27 N2YW Ref. No. Part No. Description Ref. No. Part No. Description C6013 403 164 0214 CERAMIC 0.1U Z C849 403 157 1914 CERAMIC 10P D C801 403 145 9915 CERAMIC 22P J C850 403 139 7118 CERAMIC 12P J C802 403 145 9915 CERAMIC 22P J...
  • Page 28 N2YW Ref. No. Part No. Description Ref. No. Part No. Description R2024 401 105 7919 MT-GLAZE 0.000 ZA 1/16W R808 401 105 0613 MT-GLAZE 10K JA 1/16W R4001 401 037 5014 MT-GLAZE 0.000 ZA 1/10W R809 401 105 7919 MT-GLAZE 0.000 ZA 1/16W R4002 401 105 7919...
  • Page 29 N2YW Ref. No. Part No. Description Ref. No. Part No. Description R885 401 105 7919 MT-GLAZE 0.000 ZA 1/16W L2006 645 036 3894 INDUCTOR,220 OHM R886 401 105 7919 MT-GLAZE 0.000 ZA 1/16W L2007 645 044 9031 FILTER,EMI 2200PF R887 401 105 7919 MT-GLAZE 0.000 ZA 1/16W...
  • Page 30 N2YW Ref. No. Part No. Description Ref. No. Part No. Description L802 645 044 9031 FILTER,EMI 2200PF Q1671 405 014 4519 TR 2SC2412K T146 R L804 645 036 3894 INDUCTOR,220 OHM 405 014 4618 TR 2SC2412K T146 S L805 645 044 9031 FILTER,EMI 2200PF 405 015 8724 TR 2SC2812-L6-TB...
  • Page 31 N2YW Ref. No. Part No. Description Ref. No. Part No. Description C1635 403 113 3815 CERAMIC 1000P K 403 262 1836 CERAMIC 1000P K C1636 403 113 4119 CERAMIC 2200P K C654 403 350 5016 ELECT 1000U M C1637 403 420 8500 ELECT 100U M C655...
  • Page 32 N2YW Ref. No. Part No. Description Ref. No. Part No. Description R618 401 105 0613 MT-GLAZE 10K JA 1/16W T621 645 076 5643 INDUCTOR,200U R619 401 105 4116 MT-GLAZE 3.3K JA 1/16W COIL R621 401 105 2914 MT-GLAZE 22K JA 1/16W R622 401 105 0613 MT-GLAZE...
  • Page 33 N2YW Ref. No. Part No. Description Ref. No. Part No. Description 407 244 0702 DIODE RF601T2D 407 154 0502 DIODE YG901C2 D654 407 214 4006 DIODE YG812S04R D656 407 214 4006 DIODE YG812S04R D657 407 149 0817 DIODE 1SS355-TE-17 D658 407 149 0817 DIODE 1SS355-TE-17 D659...

  • Page 34: Printed Wiring Board

    Printed Wiring Board ASSY, PWB, SIGNAL (Parts Side) To ASSY, PWB, POWER (K6G) To ASSY, PWB, SCAL (K8D) To ASSY, PWB, SCAL (K8B) To Speaker Left To Speaker Right J202 J240 J204 J236 KSPR KSPL J201 C6603 C6606 J220 J224 R1214 R6622 J112...
  • Page 35 Printed Wiring Board ASSY, PWB, SIGNAL (Solder Side) KD_3 KSPL KSPR KD_5 C024 C023 C6603 C6607 C014 C114 C113 A101 C117 D102 X133 C107 D101 X121 R103 R118 IC001 R6630 JS122 T101 X202 K1007 K1005 K1006 R1067 K1003 X3451 R1035 C1060 C1036 K1002...
  • Page 36 Printed Wiring Board ASSY, PWB, SCAL (Parts Side) To LCD PANEL (27”) To LCD PANEL (32”) C4042 L1863 C4041 C4028 C4039 C1862 R4108 R4023 L1844 C1859 R4111 L4111 C1858 C4038 C1860 C1857 C1856 C4034 ASSY,PWB,POWER R4003 R4005 (K6H) KLP2 R4006 C4123 R4115 L4118...
  • Page 37 Printed Wiring Board ASSY, PWB, SCAL (Solder Side) L1841 L1862 L1842 L1861 L1860 L1843 JW_GND R4121 L1856 L6002 L6001 RB4005 C6002 RB4004 C4562 C4564 R4002 L1897 R4024 IC6001 C4012 R4004 R4022 R4007 IC4001 C4566 R1854 L4004 L4009 R4008 C4506 C4036 C4568 L4003 C4507...
  • Page 38 Printed Wiring Board ASSY, PWB, POWER (Parts Side) ASSY,PWB,SIGNAL (KG) ASSY,PWB,SCAL (KI) ASSY,PWB,SCAL (KH) To INVERTER To INVERTER To POWER CORD -38-...
  • Page 39 Printed Wiring Board ASSY, PWB, POWER (Solder Side) -39-...
  • Page 40 ASSY, PWB, CONTROL (Parts Side) To ASSY,PWB,SIGNAL (K8J) ASSY, PWB, CONTROL (Solder Side) SC3951 SC3952 SC3905 SC3902 C3903 C3902 D3951 D3902 C3904 D3952 R3905 R3901 R3902 SC3903 A3901 R3957 R3956 SC3904 R3955 D3901 SANYO Electric Co., Ltd. July/2005/30 CPS Printed in Indonesia...

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