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Sharp 51GT-25S Service Manual
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Sharp 51GT-25S Service Manual

Sharp 51GT-25S Service Manual

Pal system colour television
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All manuals and user guides at all-guides.com
REMOTE CONTROL
ELECTRICAL SPECIFICATION........................3
IMPORTANT SERVICING NOTES ..................4
SERVICE ADJUSTMENTS...............................5
PRINTED WIRING BOARDS...........................12
PARTS ALLOCATION TABLES.......................16
SHARP CORPORATION
SERVICE MANUAL
PAL SYSTEM COLOUR TELEVISION
51GT-25S
MODEL
In the interests of user safety (required by safety
regulations in some countries) the set should restored
to its original condition and only parts identical to
those specified should be used.
CONTENTS
BLOCK DIAGRAM...........................................26
TROUBLESHOOTING TABLES......................28
PART LIST.......................................................30
1
51GT-25S
SESG51GT25S00
Issued: 15th Nov '00
GA-1
CHASSIS
This document has been published to
be used for after sales service only.

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  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com 51GT-25S SERVICE MANUAL SESG51GT25S00 Issued: 15th Nov ‘00 GA-1 CHASSIS PAL SYSTEM COLOUR TELEVISION 51GT-25S MODEL REMOTE CONTROL In the interests of user safety (required by safety regulations in some countries) the set should restored to its original condition and only parts identical to those specified should be used.
  • Page 2 All manuals and user guides at all-guides.com 51GT-25S SERVICE MANUAL UPDATE LOG SHEET Technical Report # Application Cause / Solution Part # Page # Technical Bulletin # Data /Serial # Use this page to keep any special servicing information as Thecnical Report (Bulletin), Technical Information, etc.

  • Page 3: Electrical Specification

    All manuals and user guides at all-guides.com 51GT-25S ELECTRICAL SPECIFICATIONS •Sound Carrier Trap ......33.4MHz •Power Input .......220V-240 Volts AC 50Hz •Power Consumption Normal Operation........54W ....40.4MHz •Adjacent Sound Carrier Trap Stand-by Operation.........7.0W •Audio Power Output Rating .....4W (MPO) •Adjacent Picture Carrier Trap ....31.9MHz...

  • Page 4: Important Servicing Notes

    All manuals and user guides at all-guides.com 51GT-25S IMPORTANT SERVICING NOTES Only qualified service personnel are allowed to carry out mintenance and repair of this receiver. SERVICING OF HIGH VOLTAGE SYSTEM AND CRT It is important that the static charge is removed from the high voltage system when carrying out work on the receiver.

  • Page 5: Service Adjustments

    All manuals and user guides at all-guides.com 51GT-25S SERVICE ADJUSTMENT •SERVICE MODE FUNCTION 1. Connect a test pattern to the antenna terminal. 2. Tune the receiver to this signal. 3. Turn the receiver off using the mains switch. 4. Press the volume down and channel up buttons on the front of the receiver at the same time.
  • Page 6 All manuals and user guides at all-guides.com 51GT-25S Adjustment of Data within the NVM memory To access the NVM memory, press the channel up button on the remote control until the NVM setting is reached. Note that the NVM address is shown in green and the NVM value is shown in red.
  • Page 7 All manuals and user guides at all-guides.com 51GT-25S PAGE ADDRESS DESCRIPTION VALUE S_CORR2: S-CORRECTION E_CAG2: CAG ADJUSTEMENT VALUE EA_OPT2: TV OPTIONS 0: FP: SYSTEM B/G (0)- B/G+L, MESSAGE RECHERCHE 1: AV FRONTAL: NOT INCLUDED(0), INCLUDED(1) 2: TUNING LOCK (HOTEL): LOCKED+SWITCH-ON PR1(1)
  • Page 8 All manuals and user guides at all-guides.com 51GT-25S PAGE ADDRESS DESCRIPTION VALUE N_HUE: HUE CORRECTION CONT2: CONTRAST COLOR2: COLOR SATURATION BRIGHT: BRIGHTNESS LUPK2: 0,0,0,0,0,P2,P1,P3 LUMA PEAKING VALUE LUPK DK_OPTION: OPTION FOR DK SYSTEM [X X X X X X X DK_S]...
  • Page 9 All manuals and user guides at all-guides.com 51GT-25S PAGE ADDRESS DESCRIPTION VALUE PAGE MEMORY FOR LIST MODE PROGRAM 1 PAGE MEMORY FOR LIST MODE PROGRAM 2 PAGE MEMORY FOR LIST MODE PROGRAM 3 PAGE MEMORY FOR LIST MODE PROGRAM 4...
  • Page 10 All manuals and user guides at all-guides.com 51GT-25S • • • • • PIF/AGC Adjustment • • • • • Screen Adjustment 1. AFT Adjustment 3. Focus Adjustment AFT must be adjusted to a fixed value of 40. Apply mains voltage of 220V AC/50HZ to TV.
  • Page 11 All manuals and user guides at all-guides.com 51GT-25S •COLOUR ADJUSTMENT PROCEDURES 1. Y-DLY a) Receive Philips pattern signal. ∧ b) When button is pressed, luma phase delays. ∨ c) When button is pressed, chroma phase delays. d) Adjust the chroma-luma delay.

  • Page 12: Printed Wiring Boards

    All manuals and user guides at all-guides.com 51GT-25S F 7320NOB PRINTED WIRING BOARD. Components side. S1001 S1002 S1003 S1004 D1021 C1004 RMC1 QKITP7320BMN D1011 F7320BMN0 F7321BM P883 L701 VA701 C702 L702 J816 SC881 J909 L703 J815 R751 T751 R752 K7321BM...
  • Page 13 All manuals and user guides at all-guides.com 51GT-25S F 7320NOB PRINTED WIRING BOARD. Components side. D1021 L303 C1004 J401. FB301 C403 L401 ITP7320BMN0 J134 J301. B Q3011 R312 F7320BMN0 P301 C309 Q301 C304 F7321BMN0 L304 C301 Q302 J207 P851 Q3021...
  • Page 14 All manuals and user guides at all-guides.com 51GT-25S F 7320NOB PRINTED WIRING BOARD. Copper side. J301. J401. D1021 C303 R402 C403 R403 L303 RJ123 C1004 L401 RJ128 FB301 J134 R311 C305 P301 Q3011 R312 F7320BMN0 C304 RJ141 L304 Q301 C309...
  • Page 15 All manuals and user guides at all-guides.com 51GT-25S F 7320NOB PRINTED WIRING BOARD. Copper side. D1021 1004 RMC1 S1004 S1003 S1002 S1001 D1011 P883 L701 S701 J816 L702 SC881 L703 J815 J909 R751 R752 F7321BMN0 T751 R753 FH1002 FH1001 IC751...

  • Page 16: Parts Allocation Tables

    All manuals and user guides at all-guides.com 51GT-25S F7320N0B PWB PARTS ALLOCATION TABLES (component side): Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm (L3)
  • Page 17 All manuals and user guides at all-guides.com 51GT-25S F7320N0B PWB PARTS ALLOCATION TABLES (component side): Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm J317 224282 68199 J430 229108 67818...
  • Page 18 All manuals and user guides at all-guides.com 51GT-25S F7320N0B PWB PARTS ALLOCATION TABLES (copper side): Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm C1001 212725 199644...
  • Page 19 All manuals and user guides at all-guides.com 51GT-25S F7320N0B PWB PARTS ALLOCATION TABLES (copper side): Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ymm R361 176657 84328 R615 205232 123063...

  • Page 20: Solid State Device Base Diagram

    All manuals and user guides at all-guides.com 51GT-25S B C E SOLID STATE DEVICE BASE DIAGRAM 33 32 33 32 33 32 33 32 RH-IX1812BMZZ RH-TX0199BMZZ RH-IX1818BMZZ RH-TX0140BMZZ B C E B C E 33 32 B C E B C E...

  • Page 21: Schematic Diagram, Wave Forms

    All manuals and user guides at all-guides.com 51GT-25S DESCRIPTION OF SCHEMATIC DIAGRAM NOTE: SAFETY NOTE: 1. The unit of resistance «ohm»is omitted (K=1000 1. DISCONNECT THE AC PLUG FROM THE AC ohms. M= Megaohm). OUTLET BEFORE REPLACING PARTS. 2. All resistors are 1/8 watt. unless otherwise noted.
  • Page 22 All manuals and user guides at all-guides.com 51GT-25S Page 24 SCHEMATIC DIAGRAM (00 Version).
  • Page 23 All manuals and user guides at all-guides.com 51GT-25S Page 25 SCHEMATIC DIAGRAM (00 Version).
  • Page 24 All manuals and user guides at all-guides.com 51GT-25S SCHEMATIC DIAGRAM (01 Version).
  • Page 25 All manuals and user guides at all-guides.com 51GT-25S SCHEMATIC DIAGRAM (01 Version).

  • Page 26: Block Diagram

    All manuals and user guides at all-guides.com 51GT-25S BLOCK DIAGRAM S1001 S1002 S1003 S1004 VOL+ VOL- AC 220-240V 50HZ IC1002 P701 N0304CE F701 T3.15A +150V SC881 150V VD842CE Q883 H.V. S 7 0 1 Q885 HEATER IC1001 Q887 L701 A D G C O I L...
  • Page 27 All manuals and user guides at all-guides.com 51GT-25S BLOCK DIAGRAM RMC0001 RMCU0222CE J 3 0 1 D 1 0 2 1 S P 3 0 1 Q 1 0 0 3 X1001 P 3 0 1 6 MHZ 3.3V Audio...

  • Page 28: Troubleshooting Tables

    All manuals and user guides at all-guides.com 51GT-25S TROUBLESHOOTING TABLES. NO FUNCTION(NO SOUND AND NO PICTURE) Is D1011 Not light (LED) on a light? Yes, red Check F701, R703 and Broken Q701 Check Q711 Approx. 0 V emitter Check Q701,...
  • Page 29 All manuals and user guides at all-guides.com 51GT-25S TROUBLESHOOTING TABLES. NO VERTICAL SCAN NO PICTURE Check Open Are R504 or R609 Broken R608 Broken? Change R609 Normal Check Q507 and R504 Normal Check C867 Is R512 voltage Broken Broken? Check C876, T601...

  • Page 30: Part List

    IC TDA8840-2Y PHILIPS S AN IC 0501 VSIMT1A/A//-1 TRT IMT1A-T110 ROHM S AA IC 0701 VHIPC123ZY1-1 PHOTO COUPLER PC123ZY1 SHARP S AA IC 1001 RH-IX1818BMZZ IC SDA5552A002 TV TEXT PRO 1PAGE 64KBS -- Check L303, IC201 IC 1002 RH-IX1812BMZZ EEPROM M24C04-WMN6T ST MICROELECT S AB and speaker.
  • Page 31 All manuals and user guides at all-guides.com 51GT-25S REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE Q 0706 RH-TX0235BMZZ TRT 2SC3875SY KEC S -- D 0714 RH-EX0408BMZZ ZENER DIODE BZX79C5V1 S AB...
  • Page 32 All manuals and user guides at all-guides.com 51GT-25S REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 0219 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA C 0625 RC-FZ4224BMNJ POL FILM C 220nF 50V 5% ECQ-V PANASONS AA...
  • Page 33 All manuals and user guides at all-guides.com 51GT-25S REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 1028 VCKYTV1HB102K CERAM C 1NF 50V 2125SMD S AA R 0422 VRS-TV1JD104J 2125 100KOHM 5% 1/10W SMD...
  • Page 34 All manuals and user guides at all-guides.com 51GT-25S REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 0712 VRS-TQ2BD561J OX RE 560 OHM 5% 1/8W SMD S AA R 1037 VRS-TV1JD103J 2125 10KOHM 5% 1/10W SMD...
  • Page 35 All manuals and user guides at all-guides.com 51GT-25S REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE RJ 0074 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA CAPACITORS RJ 0082 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD...
  • Page 36 All manuals and user guides at all-guides.com 37GQ-20FP RECICLED PAPER PRINTED BY:...

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