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SERVICE MANUAL LCD Television
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . 4-5
CPU Port Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Option Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
On-screen Service Menu System . . . . . . . . . . . . . . 8-10
Service Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 11
Protection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Mechanical Disassembly . . . . . . . . . . . . . . . . . . . 13-17
Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . 18-19
Chassis Electrical Parts List . . . . . . . . . . . . . . . . . 20-26
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . . 27-29
N2RV
FILE NO.
Model No. LCD-23XL2
Service Ref. No. LCD-23XL2-00
Product Code:111374316
Original Version
Chassis Series: UE1-B
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.
(Argentina)

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Summary of Contents for Sanyo LCD-23XL2

  • Page 1: Table Of Contents

    FILE NO. SERVICE MANUAL LCD Television Model No. LCD-23XL2 (Argentina) Service Ref. No. LCD-23XL2-00 Contents Product Code:111374316 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 Monitor: DC24V AC Adaptor: AC100-240 Volts, 50/60Hz, Output DC24V Receiving System PAL-N/N/, PAL-M/M, NTSC-M/M Channel Coverage ANTENNA mode VHF: CH02 - CH13 UHF: CH14 - CH69 CATV mode VHF band: CH01-CH13 MID band: CH14-CH22 SUPER band: CH23-CH36 HYPER band: CH37-CH64 ULTRA band: CH65-CH94 and CH100-CH125 Low MID band: CH95-CH99...
  • Page 4: Chassis Block Diagrams

    Chassis Block Diagrams (Video Signal Lines)
  • Page 5 Chassis Block Diagrams (Audio Signal Lines)
  • Page 6: Cpu Port Functions

    CPU Port Functions (IC201) Pad No. Function Name Pad Name Description 163 (AE9) INT_N/GPIO10/A16 Interrupt request output, general purpose I/O 273 (G3) SCL/GPIO12 C clock HS-I C 3.4MHz, general purpose I/O 189 (F2) SDA/GPIO13 272 (H3) Text Reset GPIO9/ACLK General purpose I/O / Analog video clock I/O 349 (H4) LCD-BR GPIO4/PWM1/TCP_TDO...
  • Page 7: Option Setting

    Option Setting After replacing Memory IC (IC801) The memory IC (IC801), 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 MUTE on the remote control and press the CHANNEL DOWN (P ) button on the top...
  • Page 8: 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 ser- vice adjustments. On-screen Service Menu System 1) How to enter the Service Menu Press and hold the SOUND MODE button of the remote control and press the CHANNEL DOWN (P ) button on the top control panel of the TV Example of the Service Mode Display Item No.
  • Page 9 On-Screen Service Menu System On-screen Service Menu Important Note: All data except in gray box area is fixed. Do not change for correct operating. Data in gray box area is initial. Can be set according to adjustment information on page 11. Title Explanation Initial Value...
  • Page 10 On-Screen Service Menu System Title Explanation Initial Value LOUD-NA Main loudness none attack volume level LOUD-CH Main loudness filter characteristic BBE-CONT BBE contour value BBE-PROC BBE process value OP CLIP Clip management ADC-AV-L Level adjust ADC DEC-LEV Level adjust DEC MONO-LEV Level adjust MONO NIC-LEV...
  • 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. DCXO Adjustment 2. Decide a fixed item which is maximum value “31”. (Example, let 31 of No. 147 SAGR be maximum value), select item of other 2 colours (Example, No.
  • Page 12: Protection Circuit

    Protection Circuit This TV set has a built-in power supply protection circuit. It is provided to protect the TV set in case of a power supply circuit malfunctions. When something abnormality occurs during TV reception, the TV set goes to the stand-by mode. Releasing the protective circuit and restoring power supply To release the protective circuit and restore power supply, disconnect the AC cord or AC adaptor for a short time.
  • Page 13: Mechanical Disassembly

    Mechanical Disassembly 1. Stand Removal Position TV face down on a padded or cushioned surface to protect the screen and finish. Remove one screw and remove a stand cover. Stand Cover Screw Remove 3 screws to take the stand off. CAUTION: Hold the stand firmly as you remove the last screw.
  • Page 14 Mechanical Disassembly 2. Cabinet Back Removal Remove side cover. Remove 13 screws and take the Cabinet Back off. Note: Cabinet Back can be removed even if it does not remove a stand. Remove side cover -14-...
  • Page 15: Chassis Removal

    Mechanical Disassembly 3. Chassis Removal After removing Cabinet Back and Stand, remove Top Cover, Side Frame and Cabinet Bottom. Top Cover ASSY, PWB, KEY LCD Panel Module INVERTER UNIT Chassis Frame ASSY, PWB, SIGNAL ASSY, PWB, SIDE-AV Side Frame Speaker Speaker Cabinet Bottom ASSY, PWB, LED...
  • Page 16 Mechanical Disassembly Remove 2 screws in the upper part of chassis frame, remove Shield Cover, disconnect each connectors and the chassis can be taken out. ASSY, PWB, KEY Remove 2 screws to take the chassis out LCD Panel Module Chassis Frame ASSY, PWB, SIGNAL ASSY, PWB, LED ASSY, PWB, SIDE-AV...
  • Page 17: Lcd Panel Removal

    Mechanical Disassembly 4. LCD Panel Removal Screw Remove 6 screws to take LCD Panel (Module) off. Panel Holder Panel Holder LCD Panel Module Screw Panel Holder Screw = Appendix = How to Remove Flat Cable There are following kinds of the connectors of flat cable. Be careful not to damage a connector in the case of removal of a flat cable or attachment.
  • Page 18: Cabinet Parts List

    Cabinet Parts List Note: Parts order must contain Service Ref. No., Part No., and descriptions. MENU Key No. Part No. Description Key No. Part No. Description 610 324 8714 CABINET FRONT-N2RV 610 324 8998 BUTTON UNITED-N2RV 610 324 8721 COVER TOP-N2RV 610 324 1081 DEC IND-N2RC 610 325 6726...
  • Page 19 Cabinet Parts List Key No. Part No. Description Key No. Part No. Description 610 317 2033 PAD RUBBER-N2RA 610 322 7832 PAD RUBBER-N2RY 645 072 9782 ASSY,REMOCON JXMTF 610 297 9879 RC-BATTERY LID-JXMTA 645 081 2705 CORD,POWER-2.0MK-ARG 645 075 9666 ADAPTOR,AC-DC 645 082 5941 PLUG,ADAPTOR ANT(PAL)
  • Page 20: Chassis Electrical Parts List

    N2RV 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 21 N2RV Ref. No. Part No. Description Ref. No. Part No. Description R2956 401 105 2716 MT-GLAZE 220 JA 1/16W 405 014 4618 TR 2SC2412K T146 S R2957 401 105 0316 MT-GLAZE 10 JA 1/16W 405 015 8724 TR 2SC2812-L6-TB 405 015 8922 TR 2SC2812-L7-TB DIODE 405 163 1612...
  • Page 22 N2RV Ref. No. Part No. Description Ref. No. Part No. Description 405 014 4618 TR 2SC2412K T146 S C101 403 391 5419 ELECT 22U M 6.3V 405 015 8724 TR 2SC2812-L6-TB 403 184 7910 ELECT 22U M 6.3V 405 015 8922 TR 2SC2812-L7-TB C1019 403 157 3611...
  • Page 23 N2RV Ref. No. Part No. Description Ref. No. Part No. Description C224 403 314 5915 CERAMIC 0.47U K C4031 403 164 0214 CERAMIC 0.1U Z C226 403 260 2944 MT-COMPO 0.33U J C4032 403 164 0214 CERAMIC 0.1U Z C227 403 164 0214 CERAMIC 0.1U Z...
  • Page 24 N2RV Ref. No. Part No. Description Ref. No. Part No. Description C801 403 269 5916 CERAMIC 0.22U K R1244 401 105 1115 MT-GLAZE 12K JA 1/16W C803 403 164 0214 CERAMIC 0.1U Z R1246 401 105 0415 MT-GLAZE 100 JA 1/16W C804 403 269 5916 CERAMIC...
  • Page 25 N2RV Ref. No. Part No. Description Ref. No. Part No. Description R232 401 105 0613 MT-GLAZE 10K JA 1/16W R6630 401 230 2513 MT-GLAZE 1K FA 1/16W R233 401 148 6016 MT-GLAZE 2.2 JA 1/16W R6631 401 218 4416 MT-GLAZE 1.2K FA 1/16W R234 401 148 6016...
  • Page 26 N2RV Ref. No. Part No. Description Ref. No. Part No. Description R854 401 105 0415 MT-GLAZE 100 JA 1/16W D1005 407 206 5618 ZENER DIODE UDZS-TE-1710B R855 401 105 0415 MT-GLAZE 100 JA 1/16W D1009 407 206 5618 ZENER DIODE UDZS-TE-1710B R856 401 105 0415 MT-GLAZE...
  • Page 27: Printed Wiring Board

    JS1208 X202 C243 Q112 R137 JS102 JS101 C103 L1600 R233 R234 R821 KFAN R6666 R236 R237 C131 C133 C1607 Model LCD-23XL2 To Inverter IC6609 Unit TP6608 C6630 TP6607 D1202 IC6607 R1202 Q1203 R1204 C022 R1203 D1201 Q1204 Q1205 Q1201 Q1202...
  • Page 28 Printed Wiring Board ASSY, PWB, SIGNAL (Solder Side) R1819 KPGN KP2A R1813 R706 R708 R703 R1807 R705 R704 KSUB C6639 X4001 D1022 C4062 C4027 C4047 C1256 L201 C206 C4002 C204 R1817 R205 C227 IC4002 JS293 D1001 R218 R6610 R228 C246 C233 X121 C226...
  • Page 29 Printed Wiring Board ASSY, PWB, SIDE-AV (Parts Side) ASSY, PWB, SIDE-AV (Solder Side) PWB,SIDE-AV, SC2401 R2401 N2RJ C2401 R2402 **** R2404 C2404 C2402 R2403 C2403 SC2402 C2413 R2407 SC2404 C2418 C2407 R2415 R2406 C2406 SC2403 R2416 R2414 R2417 C2415 L2404 C2417 C2414 L2406...
  • Page 30 Oct./’05 NEWSAN S. A. Una empresa del grupo SANYO Electric Co.
  • Page 31 CJ100 L2403 1AV4T40B60102 L2C4 ASSY,PWB,SIGNAL,N2SV R2406 SIGNAL UNIT 100KJ 1/16 C2406 SC2403 R_IN 1AA0B10N150DA DIFFERENCE LIST GJ2.2KC CJ100 R2407 Model LCD-23XL2: K1004 1/16 C2407 GJ100KC CJ100 1AV4T40B60001 Model LCD-23XLP Model LCD-17XLP GND1 Model LCD-23XL2: 1AA0B10N150EA 1AA0B10N150DA K2402 ASSY,PWB,SIGNAL,N2RV C009 25EM10004U...
  • Page 32 K1002_16 POWER PANEL_PWR SC2_R AR3_IN D1013 C1040 R1256 K1002_15 L2001 R1046 1 2 3 4 5 D6601 L3BQ102PG SC2_G C1041 AUDIO-R IN Model LCD-23XL2: AL3_IN R1228 R1229 D1014 D1012 R1252 JS1221 D1021 R6610 P_FAIL1 JS1225 1/16GJ 1/16GJ R1052 R1047 KX_3...

This manual is also suitable for:

Lcd-17xl2

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