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Sharp 72GF-66E Service Manual

Pal system colour television da-100w chassis
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ELECTRICAL SPECIFICATION.......................3
IMPORTANT SERVICE NOTES.......................4
ADJUSTMENTS PROCEDURES.....................5
PRINTED WIRING BOARDS..........................10
COMPONENT LOCATION TABLES...............17
SHARP CORPORATION
SERVICE MANUAL
PAL SYSTEM COLOUR TELEVISION
MODEL
72GF-66E
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
SCHEMATIC DIAGRAM...................................27
STEREO LED FLASHING CODE....................41
BLOCK DIAGRAM...........................................42
PARTS LISTING..............................................44
1
SEJB72GF66E00
Issued: 21st May 2001
DA-100W
CHASSIS
DE/ES/GG/IT/CH
This document has been published to
be used for after sales service only.
72GF-66E

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Summary of Contents for Sharp 72GF-66E

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com 72GF-66E SERVICE MANUAL SEJB72GF66E00 Issued: 21st May 2001 DA-100W CHASSIS PAL SYSTEM COLOUR TELEVISION MODEL 72GF-66E DE/ES/GG/IT/CH 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 72GF-66E SERVICE MANUAL UPDATE LOG SHEET Technical Report No. Application Cause / Solution Part No. Page No. Technical Bulletin No. Data /Serial No. Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc.

  • Page 3: Electrical Specification

    All manuals and user guides at all-guides.com 72GF-66E ELECTRICAL SPECIFICATIONS •Power Input ....220V-240 Volts AC 50Hz •Picture Intermediate frequency L’..........33.9MHz •Power Consumption L, B/G, D/K, I.......38.9MHz Normal Operation .........110W •Sound Carrier Trap Stand-by Operation ........1W L’..........40.4MHz •Audio Power Output Rating (MPO) / Impedance L, D/K...........32.4MHz...

  • Page 4: Important Service Notes

    All manuals and user guides at all-guides.com 72GF-66E IMPORTANT SERVICING NOTES Only qualified service personnel are allowed to carry out maintenance 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: Adjustments Procedures

    All manuals and user guides at all-guides.com 72GF-66E ADJUSTMENT PROCEDURES All adjustments to this chassis, except for focus, are carried out in the service mode. • • • • • SERVICE MODE The service mode is provided to enable the engineer to correctly set up the receiver to the CRT fitted in the set.
  • Page 6 All manuals and user guides at all-guides.com 72GF-66E The following geometry adjustments can be carried out. Detailed instructions on how to execute these are given on the following pages Horizontal Vertical • Horizontal Shift • Vertical Amplitude • E-W Width •...
  • Page 7 All manuals and user guides at all-guides.com 72GF-66E Lower Corner Correction Adjust the Lower Corner Correction so that the picture is centred. The effect of this adjustment is shown in figure 7. • When the volume up button is pressed, side pincushion changes from pincushion to barrel shape.
  • Page 8 All manuals and user guides at all-guides.com 72GF-66E • When the volume down button is pressed the top and bottom scanning decreases and the centre scanning increases. • Press the stand-by button on the remote control to store. Vertical Shift Adjust the Vertical Shift so that the picture is centred.
  • Page 9 5. If another NVM value has to be changed, use the channel down button to select the page or position and repeat as necessary. Note: DO NOT change any NVM data, unless you have been advised to do so by a Sharp representative. If data is incorrectly changed, serious damage may occur to the receiver. Contrast Adjustments Three types of contrast levels can be varied as listed below: •...
  • Page 10 All manuals and user guides at all-guides.com 72GF-66E MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Component side. K7293BM IC1008 R778 LP701 R703 D1001 D1002 (SW2) S702 S704 S703 S705 C701 FB1002 R791 R721 J344 C707 R790 C706 (OPC) (ST) L701 R792...
  • Page 11 All manuals and user guides at all-guides.com 72GF-66E MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Component side. KITP7293BMN5 L317 C353 L352 J401 C361 C363 (CC) (SS) C356 (HD) C352 L318 IC301 (FV). C351 C368 C373 L350 C431 C430 R1003 L351 C341...
  • Page 12 All manuals and user guides at all-guides.com 72GF-66E MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Copper side. QKITP7293BMN5 L317 R353 IC301 C337 L352 C359 R308 C381 J401 C336 (CC) (SS) R310 C356 R352 C354 J345 R317 C451 R351 C350 C364 Q305...
  • Page 13 All manuals and user guides at all-guides.com 72GF-66E MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Copper side. J313 M1000 R778 LP701 D1002 R789 R703 D724 C733 C732 C730 R751 R738 C731 S701 C1015 R791 J344 R790 R788 R721 IC702 R787 C707...
  • Page 14 All manuals and user guides at all-guides.com 72GF-66E CRT MODULE UNIT PRINTED WIRING BOARD (F7269N3). Component side. R883 R5425 C862 R875 C5420 FB851 IC851 C5410 D5410 Q857 D5411 Q5414 D862 C891 R5438 C868 Q854 C5417 R5446 C854 R857 R5436 C863...
  • Page 15 All manuals and user guides at all-guides.com 72GF-66E CRT MODULE UNIT PRINTED WIRING BOARD (F7269N3). Copper side. R5439 C892 C862 R5425 R883 R875 IC851 R868 C5410 FB851 D5410 C882 Q857 Q856 C5424 C888 D5411 D862 C851 C883 R5446 C5417 D866...
  • Page 16 All manuals and user guides at all-guides.com 72GF-66E DINAMIC FOCUS UNIT PRINTED WIRING BOARDS (F7271N3). T1701 C1701 CAUTION THE ACTIVE SECTION IS INDICATED WITH THE " " SYMBOL C1704 R1710 D1703 D1601 R1604 Q1601 R1605 D1602 R1605 D1602 R1608 R1608...

  • Page 17: Printed Wiring Boards

    All manuals and user guides at all-guides.com 72GF-66E DIGITAL MODULE UNIT PRINTED WIRING BOARDS (F7295NOA). C6083 C6016 R6040 D6003 R6038 C6064 C6082 R6005 C6017 R6127 R6089 C6216 C6020 C6222 R6006 C6215 C6223 R6007 C6224 C6225 C6226 FB6210 R6126 C6234 C6022...
  • Page 18 All manuals and user guides at all-guides.com 72GF-66E POWER SWITCH UNIT PRINTED WIRING BOARDSM (F7305N0B). Component side. Copper side. R6751 D6702 D6701...
  • Page 19 All manuals and user guides at all-guides.com 72GF-66E AUDIO AMPLIFIER UNIT PRINTED WIRING BOARDS (F7304N0B). C1301 C1301 C1303 L1307 L1307 (VS) C1346 (VS) L1308 L1301 L1308 C1303 L1301 C1337 L1302 L1302 C1358 C1358 C1342 C1342 C1341 C1335 C1336 C1355 L1305...
  • Page 20 All manuals and user guides at all-guides.com 72GF-66E MOTHER UNIT (F7293N5A) PWB PARTS LOCATION TABLES. Component Side. Ref No Ref No Ref No Ref No Ref No Ref No 19558 182118 C314 283972 113030 C644 178816 91440 D712 25908 136906...
  • Page 21 All manuals and user guides at all-guides.com 72GF-66E MOTHER UNIT (F7293N5A) PWB PARTS LOCATION TABLES. Component Side. Ref No Ref No Ref No Ref No Ref No J331 257048 42164 JF32 203962 129286 L502 150876 140716 R424 237998 24638 S701...
  • Page 22 All manuals and user guides at all-guides.com 72GF-66E MOTHER UNIT (F7293N5A) PWB PARTS LOCATION TABLES. Copper Side. Ref No Ref No Ref No Ref No Ref No Ref No C1002 275590 143510 C330 309626 124206 C503 163068 126746 D1006 224282 112522...
  • Page 23 All manuals and user guides at all-guides.com 72GF-66E MOTHER UNIT (F7293N5A) PWB PARTS LOCATION TABLES. Copper Side. Ref No Ref No Ref No Ref No Ref No Ref No Q606 183896 122174 R203 256032 37084 R317 235458 227584 R457 170180...
  • Page 24 All manuals and user guides at all-guides.com 72GF-66E CRT MODULE UNIT PWB (F7269N3) PARTS LOCATION TABLES. Component Side. Copper side No parts. Ref No Ref No Ref No Ref No Ref No 136906 10922 C892 34544 112268 25654 97028 R5432...
  • Page 25 All manuals and user guides at all-guides.com 72GF-66E FRONT A/V UNIT PWB (F7306N0B) DINAMIC FOCUS UNIT PWB (F7271N3) PARTS LOCATION TABLES. PARTS LOCATION TABLES. Component Side. Copper side Component Side. Copper side Ref No Ref No Ref No Ref No...
  • Page 26 All manuals and user guides at all-guides.com 72GF-66E DIGITAL MODULE UNIT (F7295N0B) PWB PARTS LOCATION TABLES. Component Side. Copper side Ref No Ref No Ref No Ref No Ref No (KA) 115620 52527 C6001 43180 45466 C6085 43942 29718 L6002...
  • Page 27 All manuals and user guides at all-guides.com 72GF-66E DESCRIPTION OF SCHEMATIC DIAGRAM NOTE: SAFETY NOTE: 1. The unit of resistance «ohm»is omitted (K=1000 ohms. M= Megaohm). 1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS. 2. All resistors are 1/8 watt. unless otherwise noted.
  • Page 28 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version. Page 30 AFT1 AFT2...

  • Page 29: Schematic Diagram

    All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version. Page 31...
  • Page 30 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version.
  • Page 31 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version.
  • Page 32 R543 R5433 Q5410 TX0142 C5416 10pF REALIZADO VERIF Digitally signed by Adolfo Fernandez Digitally signe cn=Adolfo Fernandez, ou=CAD GLOBAL NETWORK, o=SHARP, c=ES cn=Castillo, F Date: 2001.05.04 13:22:44 Z Date: 2001.05 Reason: This document is ready for approval Reason: I hav...
  • Page 33 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF CRT MODULE UNIT (F7269N3), 00 Version. IC850 TDA6111Q H.V. 27.5 KV C871 R865 D864 DX0045 V1012CE C881 10nF FB850 C887 R887 R888 68LPF350X 560pF D865 0037CEZZ R850 C5V1 R862...
  • Page 34 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF FRONT A/V UNIT (F7306), 00 Version.
  • Page 35 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF DINAMIC FOCUS UNIT (F7271), 00 Version.
  • Page 36 (TQ) REALIZADO VERI (YA) C6306 150pF GN1285 (YB) GN01285 Digitally signed by Adolfo Fernandez Digitally sign cn=Castillo, cn=Adolfo Fernandez, ou=CAD GLOBAL NETWORK, o=SHARP, c=ES Date: 2001.0 Date: 2001.05.04 13:19:10 Z Reason: This document is ready for approval Reason: I ha...
  • Page 37 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF DIGITAL MODULE UNIT (F7295N0A), 00 Version. R6005 C6018 15nF C6019 R6006 15nF C6020 R6007 15nF C6014 3.3uF (KA) L6006 GN0842 C6016 C6015 22uF 100nF (16V) C6017 22nF D6013 EX0540BM...
  • Page 38 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF LINE FILTER UNIT (F7338N0), 00 Version.
  • Page 39 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF POWER SUPPLY UNIT (F7305), 00 Version.
  • Page 40 All manuals and user guides at all-guides.com 72GF-66E SCHEMATIC DIAGRAM OF AUDIO AMPLIFIER UNIT (F7304NOB), 00 Version.

  • Page 41: Stereo Led Flashing Code

    All manuals and user guides at all-guides.com 72GF-66E STEREO LED FLASHING CODES. If the TV set does not work and the stereo led is flashing, follow the sequence according to the information below, as a guide to fault finding. 1. Unable to read or write into NVM: 66% ON, 33% OFF twice and OFF for a second.

  • Page 42: Block Diagram

    All manuals and user guides at all-guides.com 72GF-66E BLOCK DIAGRAM SF 201 TH 201 FM AUDIO SF 202 TUNER IC 201 CVBS TDA 4470 SF 203 21 PINS 21 PINS AV-2 MAIN POWER 21 PINS M 6701 + CH -...
  • Page 43 FOCUS EMULATOR D 6 0 5 Title BLOCK DIAGRAM 72GF-66E. HORIZ. DEFLECTION Size D o c u m e n t N u m b e r 7 2 G F - 6 6 E 0 0 1 9 J B 0 0...

  • Page 44: Parts Listing

    All manuals and user guides at all-guides.com 72GF-66E PARTS LISTING REF No. PARTS DESCRIPTION SN CODE EX CODE Q 0306 VS2SC2412KQ-1 TRT 2SC2412 ROHM S AA REPLACEMENT PARTS Q 0403 VS2SC2412KQ-1 TRT 2SC2412 ROHM S AA Replacement parts which have special safety characteristics are identified...
  • Page 45 All manuals and user guides at all-guides.com 72GF-66E REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE D 0507 RH-EX0558BMZZ ZENER DIODE TZMC18 TFK SMD S AA L 0350 VP-CF3R3K0000 PEAK COIL 3.3UH 10%...
  • Page 46 All manuals and user guides at all-guides.com 72GF-66E REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 0325 RC-FZ4334BMNJ POL FILM C 330nF 50V 5% ECQ-V PANASONIC S AA C 0432 VCKYTV1CF105Z...
  • Page 47 All manuals and user guides at all-guides.com 72GF-66E REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 0710 VCKYPB3DE472Z C DE1110-1E472Z2K MURATA S AA R 0232 VRD-RA2BE561J RES 560 OHM 5% 1/8W...
  • Page 48 All manuals and user guides at all-guides.com 72GF-66E REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 0418 VRD-RA2HD680J RES 68 OHM 5% 1/2W S AA R 0537 VRS-TV1JD822J 2125 8,2KOHM 5% 1/10W SMD...
  • Page 49 All manuals and user guides at all-guides.com 72GF-66E PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 1029 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA R 2408 VRS-TV1JD332J 2125 3.3KOHM 5% 1/10W SMD...
  • Page 50 All manuals and user guides at all-guides.com 72GF-66E REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE J 0352 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA C 0854 VCCCPA1HH100D CERAM C 10PF 05% 50V...
  • Page 51 All manuals and user guides at all-guides.com 72GF-66E REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 0889 VRD-RA2HD331J RES 330 OHM 5% 1/2W S AA R 1604 VRS-VV3LB104J MET OX RES 100KOHM 5% 3W...
  • Page 52 All manuals and user guides at all-guides.com 72GF-66E REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE D 6003 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA C 6042 VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD...
  • Page 53 All manuals and user guides at all-guides.com 72GF-66E REF No. PARTS DESCRIPTION REF No. PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 6030 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA PWB-E AUDIO AMPLIFIER R 6031...
  • Page 54 QSW-P0600BMZZ SWITCH S40 3110432713 GDE S AF PKAI-1083BM00 DOOR LATCH S AC S 6702 QSW-K0079GEZZ TACTILE SWITCH S AA HBDGB3510BMSA BADGE SHARP S AC S 6703 QSW-K0079GEZZ TACTILE SWITCH S AA HDECQ0053BMSA LED DECORATION S AA S 6704 QSW-K0079GEZZ TACTILE SWITCH...
  • Page 55 All manuals and user guides at all-guides.com 72GF-66E...
  • Page 56 SHARP ELECTRONICA ESPAÑA S.A. PRINTED BY: TV Division Think Ecology, please use Engineering Dept.

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