Sharp 72GF-66IT Service Manual

72GF-66E1 MODEL 72GF-66EDE/ES/GG/IT/CHSHARP CORPORATION PAL SYSTEM COLOUR TELEVISIONSEJB72GF66E00SERVICE MANUALIn the interests of user safety (

72GF-66E10Page 11MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Component side.022232417181920211112131415161234567891010 1112 13 14 15 161123456789YXC6

72GF-66E11MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Component side.Page 1029 30 31 32 3320 212223 24 25 26 27 2817181922232417181920211112131415161

72GF-66E12MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Copper side.Page 131918 1729 28 2726 2524232221 2033 32 313022232417181920211112131415161234567

72GF-66E13MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Copper side.Page 1222232425171819202111121314151612345678910010 9876543211615 1413 1211XYD415K4

72GF-66E14CRT MODULE UNIT PRINTED WIRING BOARD (F7269N3). Component side.FRONT A/V UNIT PRINTED WIRING BOARD. (F7306N0B). Component side.+C895C891

72GF-66E15CRT MODULE UNIT PRINTED WIRING BOARD (F7269N3). Copper side.FRONT A/V UNIT PRINTED WIRING BOARD. (F7306N0B). Copper side.+C895C891Q858CE

72GF-66E16DINAMIC FOCUS UNIT PRINTED WIRING BOARDS (F7271N3).C1702R1709C1704Q1701C1701ESPA¥AR1602R1603J13R1628C1604D1703R1627R1626L1601C1707J12C1703+

72GF-66E17DIGITAL MODULE UNIT PRINTED WIRING BOARDS (F7295NOA).XY111213141516123456789100123456YX111213141516123456789100654321C6236C6202C6201C620

72GF-66E18POWER SWITCH UNIT PRINTED WIRING BOARDSM (F7305N0B).ESPA¥AOPC1S6704SW212(A)13(PW)D6702R6702R6701S6702 S6703S6705D6752D6751S6701R6751LP6701K

72GF-66E19AUDIO AMPLIFIER UNIT PRINTED WIRING BOARDS (F7304N0B).Component side.123456YX01234 56 78YX1234560876 543 21R1332+C1364C1365+J7R1333C1303++

72GF-66E2Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc.If only part number chang

72GF-66E20MOTHER UNIT (F7293N5A) PWB PARTS LOCATION TABLES.Component Side.Ref No Xum Yum(A) 19558 182118(AA) 20066 207010(AV) 166649 12496(AV). 142494

72GF-66E21MOTHER UNIT (F7293N5A) PWB PARTS LOCATION TABLES.Component Side.Ref No Xum YumJ331 257048 42164J337 261873 152908J343 222504 59182J344 64516

72GF-66E22MOTHER UNIT (F7293N5A) PWB PARTS LOCATION TABLES.Copper Side.Ref No Xum YumC1002 275590 143510C1005 262890 163626C1014 304800 173482C1015 12

72GF-66E23MOTHER UNIT (F7293N5A) PWB PARTS LOCATION TABLES.Copper Side.Ref No Xum YumQ606 183896 122174Q607 275336 180848Q608 218948 157226Q702 27432

72GF-66E24CRT MODULE UNIT PWB (F7269N3) PARTS LOCATION TABLES. Component Side.

72GF-66E25FRONT A/V UNIT PWB (F7306N0B)PARTS LOCATION TABLES. Component Side. Copper sideRef No Xum Yum(CC) 60426 14224(FV) 49504 14224(J) 822

72GF-66E26DIGITAL MODULE UNIT (F7295N0B) PWB PARTS LOCATION TABLES. Component Side. Copper sideRef No Xum Yum(KA) 115620 52

72GF-66E27400Hz12345678910111213580V1.3 KV 31.25 KHz4 Vp-p 31.25 KHz41 Vp-p 31.25 KHz 1.8 Vp-p 100Hz 3.3V 100Hz19Vp-p 100Hz25 Vp-p 100Hz 400H

72GF-66E28 SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version.1IHGFEDCBA234567Page 29Page 303123123123+5VGND+5VRC1234+5V+5V+5V+5V+5V+3.3V+3.3V+5

72GF-66E29 SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version.8 91011 12 13 14IHGFEDCBAPage 28Page 31TB0001VhGNDV OUTV IN12 3 4 5+200V+140V+5V+5

72GF-66E3ELECTRICAL SPECIFICATIONS•Picture Intermediate frequencyL’...33.9MHzL, B/G, D/K, I...

72GF-66E30 SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version.(YA)(YB)12121231231231231234 OUT LGNDGNDOUT RGNDOUT ROUT LOUT ROUT LGNDGNDIN CHROM

72GF-66E31 SCHEMATIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 Version.MOTHER BOARD(YB)(YC)12345R OUTR INL OUTL INBSSGRFSV OUTV INR OUTR INL OUTL INSSFSV

72GF-66E32SCHEMATIC DIAGRAM OF CRT MODULE UNIT (F7269N3), 00 Version.1IHGFEDCBA234567Page 3312345678SVMGND+5VSENSGNDRGB+12V+12V+12V+12V+12VREALIZADO

72GF-66E33SCHEMATIC DIAGRAM OF CRT MODULE UNIT (F7269N3), 00 Version.8 91011 12 13 14IHGFEDCBAPage 32H.V.27.5 KV1231234V1012CE5FOCUSG2(L3)+200VGNDVh

72GF-66E341IHGFEDCBA234567SCHEMATIC DIAGRAM OF FRONT A/V UNIT (F7306), 00 Version.12 31231212OUT LOUT RGNDOUT ROUT LGNDGNDCHROMA INGNDLUMA INSHARPELEC

72GF-66E35SCHEMATIC DIAGRAM OF DINAMIC FOCUS UNIT (F7271), 00 Version.1IHGFEDCBA234567SHARPELECTRONICA ESPANA S.A.NOMBRE CODIGOESCALAMODELOFECHAREVI

72GF-66E36GN128510 X 10012 X 100GN0128512REALIZADO VERIRES1CLKAVIVSVOCIVI1VI3VI4CLKVOFB1FB1BBGGRRVI1FB1VI3BGVI2RVI4CIRES1DUMVIDEOAVIVSRMGMVI2SCLSDASCL

72GF-66E37SCHEMATIC DIAGRAM OF DIGITAL MODULE UNIT (F7295N0A), 00 Version.8 91011 12 13 14IHGFEDCBAPage 363456Y(C)GN1285RBG22341GNDSENS+5VSHARPELECTRO

72GF-66E381IHGFEDCBA23456718-01-2001Module Line Filter72GF66ESHARPELECTRONICA ESPANA S.A.NOMBRE CODIGOESCALAMODELOFECHA REVISIONES N23456FECHAA-4PWB

72GF-66E39SCHEMATIC DIAGRAM OF POWER SUPPLY UNIT (F7305), 00 Version.1IHGFEDCBA234567M670111 122233 312318-04-2001PLACA POWERRC+5VGND+5VGNDLEDOPC1123O

72GF-66E4IMPORTANT SERVICING NOTESOnly qualified service personnel are allowed to carry out maintenance and repair of this receiver.SERVICING OF HIGH

72GF-66E40SCHEMATIC DIAGRAM OF AUDIO AMPLIFIER UNIT (F7304NOB), 00 Version.1IHGFEDCBA23456712 31231212OUT LOUT RGNDOUT ROUT LGNDGNDCHROMA INGNDLUMA IN

72GF-66E41STEREO LED FLASHING CODES.If the TV set does not work and the stereo led is flashing, follow the sequence according to the information below

72GF-66E42BLOCK DIAGRAMAABBCC1234+16V AUDIO-16V AUDIO+148VQ 713Q 704Q 706Q 705Q 707+5V DIGITALT 701POR 701ON/ST-BYPOWER ST-BYCONTROL+5VMicro Proc. COM

72GF-66E43BLOCK DIAGRAMCCDDEE1234+16V-16V+16V-16VQ 304Q 303Q 302AUDIOPROTECTORQ 305Q 306MUTE+16V-16VMSP 3410 DIC 305Q 901Q 902Q 903Q 905Q 904Q 906Q 90

72GF-66E44MARK *:SPARE PARTS DELIVERY SECTIONPARTS DESCRIPTION *SN CODE EX CODEPICTURE TUBEVB68QCP891X4E 29"A68QCP891X110SAMS.100HZTRUEFLAT GER

72GF-66E45REF No. PARTS DESCRIPTION *SN CODE EX CODED 0507 RH-EX0558BMZZ ZENER DIODE TZMC18 TFK SMD S AA AAD 0508 RH-DX0551BMZZ DIODE LL4148 TFK SMD

72GF-66E46REF No. PARTS DESCRIPTION *SN CODE EX CODEC 0325 RC-FZ4334BMNJ POL FILM C 330nF 50V 5% ECQ-V PANASONIC S AA **C 0326 VCEAGA1CW106M ELEC C

72GF-66E47REF No. PARTS DESCRIPTION *SN CODE EX CODEC 0710 VCKYPB3DE472Z C DE1110-1E472Z2K MURATA S AA **C 0711 RC-KZ0035CEZZ CERAM C 220PF 2KV S

72GF-66E48REF No. PARTS DESCRIPTION *SN CODE EX CODER 0418 VRD-RA2HD680J RES 68 OHM 5% 1/2W S AA **R 0419 VRD-RA2EE750J RES 75 OHM 5% 1/4W S

72GF-66E49PARTS DESCRIPTION * SN CODE EX CODER 1029 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA AAR 1030 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S

72GF-66E5ADJUSTMENT PROCEDURESAll adjustments to this chassis, except for focus, are carried out in the service mode.••••• SERVICE MODEThe service mod

72GF-66E50REF No. PARTS DESCRIPTION *SN CODE EX CODEJ 0352 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA AAJ 0360 VRS-TV1JD000J 2125 0 OHM 5% 1/10W

72GF-66E51REF No. PARTS DESCRIPTION *SN CODE EX CODER 0889 VRD-RA2HD331J RES 330 OHM 5% 1/2W S AA **R 0891 VRC-MA2HG681J SOLID R 680 OHM 5% 1/2

72GF-66E52REF No. PARTS DESCRIPTION *SN CODE EX CODED 6003 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA AAD 6004 RH-EX0544BMZZ ZENER DIODE TZMC4V7 TFK SM

72GF-66E53REF No. PARTS DESCRIPTION *SN CODE EX CODER 6030 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA AAR 6031 VRS-TV1JD101J 2125 100 OHM 5% 1/10W

72GF-66E54REF No. PARTS DESCRIPTION *SN CODE EX CODE(CC) QPLGN0241CEZZ PLUG S AA **(CN4) QJAKJ0047CEZZ EARPHONE JACK HSJ0998-72 S AA AG(FV) QCNW-2825B

72GF-66E552 3 3 41.31.2 1.5 1.41.61.71.811.1

4872GF-66EPRINTED BY: ON:No part of this publication may be reproduced,stored in a retrieval system, or transmitted in anyfo

72GF-66E6The following geometry adjustments can be carried out. Detailed instructions on how to execute these are given onthe following pages Horizon

72GF-66E7Lower Corner CorrectionAdjust the Lower Corner Correction so that the picture is centred.The effect of this adjustment is shown in figure 7.•

72GF-66E8Colour AdjustmentsThe following adjustments should only be carried out whenthe CRT, IC801 or IC801 are replaced.G2, Cut Off and Gain Adjustme

72GF-66E94. Once this data has been set, press the standby button to store.5. If another NVM value has to be changed, use the channel down button to s