Manuale d’uso / di manutenzione del prodotto 72GF-66E del fabbricante Sharp
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72GF-66E 1 MODEL 72GF-66E DE/ES/GG/IT/CH SHARP CORPORA TION P AL SYSTEM COLOUR TELEVISION SE JB 72GF66E00 SER VICE MANUAL 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.
72GF-66E 2 Use this page to keep any special servicing information as T echnical Report (Bulletin), T echnical Information, etc. If only part number changes are required, just change part number directly the part number in the Parts Listing Section. If you need more information, please refer to the T echnical Report (Bulletin).
72GF-66E 3 ELECTRICAL SPECIFICA TIONS • Picture Intermediate frequency L ’..................................................33.9MHz L, B/G, D/K, I...............................38.9MHz • Sound Carrier T rap L ’.................................
72GF-66E 4 IMPORT ANT SERVICING NOTES Only qualified service personnel are allowed to carry out maintenance and repair of this receiver . SER VICING OF HIGH VOL T AGE SYSTEM AND CRT It is important that the static charge is removed from the high voltage system when carrying out work on the receiver .
72GF-66E 5 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 CR T fitted in the set.
72GF-66E 6 The following geometry adjustments can be carried out. Detailed instructions on how to execute these are given on the following pages Horizontal • Horizontal Shift • E-W Width • Pin P.
72GF-66E 7 Lower Corner Correction Adjust the Lower Corner Correction so that the picture is centred. The ef fect of this adjustment is shown in figure 7. • When the volume up button is pressed, side pincushion changes from pincushion to barrel shape.
72GF-66E 8 Colour Adjustments The following adjustments should only be carried out when the CRT , IC801 or IC801 are replaced. G2, Cut Off and Gain Adjustments 1. Follow the procedure below to set the G2 1.1 T une the set to the output of a signal generator (cross hatch pattern).
72GF-66E 9 4. 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 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.
72GF-66E 10 Page 1 1 MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Component side. 0 22 23 24 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 16 1 1 23 4 5 6 789 Y X C648 FB603 R604 JF55 D611 (EW) JF56 JF57 L703 C746 D708 D701 + C724 D707 C702 (G) 2 1 .
72GF-66E 11 MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Component side. Page 10 29 30 31 32 33 20 21 22 23 24 25 26 27 28 17 18 19 22 23 24 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 Y X JL14 (K) 91 R815 J228 J234 + C804 R814 JL27 JL26 JL28 JL12 JL10 (SC) C305 + + C306 C381 C356 R650 .
72GF-66E 12 MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Copper side. Page 13 19 18 17 29 28 27 26 25 24 23 22 21 20 33 32 31 30 22 23 24 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 Y X D415.
72GF-66E 13 MOTHER UNIT PRINTED WIRING BOARD (F7293N5A). Copper side. Page 12 22 23 24 25 17 18 19 20 21 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 0 10 9 87 654 3 21 16 15 14 13 12 11 X Y D415 K 422 C181.
72GF-66E 14 CRT MODULE UNIT PRINTED WIRING BOARD (F7269N3). Component side. FRONT A/V UNIT PRINTED WIRING BOARD. (F7306N0B). Component side. + C895 C891 C Q858 E E Q857 C JF5 JF7 C Q861 E R885 E Q860 .
72GF-66E 15 CRT MODULE UNIT PRINTED WIRING BOARD (F7269N3). Copper side. FRONT A/V UNIT PRINTED WIRING BOARD. (F7306N0B). Copper side. + C895 C891 Q858 C E E C Q857 JF5 JF7 Q861 C E R885 E C Q860 R874.
72GF-66E 16 DINAMIC FOCUS UNIT PRINTED WIRING BOARDS (F7271N3). C1702 R1709 C1704 Q1701 C1701 ESPA¥A R1602 R1603 J13 R1628 C1604 D1703 R1627 R1626 L1601 C1707 J12 C1703 + R1710 (EW) 4 (MO) 1 R1625 D1606 R1605 D1602 R1608 R1606 R1607 E Q1602 C E B C Q1601 F7271BMN3 .
72GF-66E 17 DIGIT AL MODULE UNIT PRINTED WIRING BOARDS (F7295NOA). X Y 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 0 123 4 5 6 Y X 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 0 65 4 32 1 C6236 C6202 C6201 C6203.
72GF-66E 18 POWER SWITCH UNIT PRINTED WIRING BOARDSM (F7305N0B). ESPA¥A OPC1 S6704 SW2 1 2 (A) 1 3 (PW) D6702 R6702 R6701 S6702 S6703 S6705 D6752 D6751 S6701 R6751 LP6701 K7305BM F7305BMN0 B 1 2 3 (H.
72GF-66E 19 AUDIO AMPLIFIER UNIT PRINTED WIRING BOARDS (F7304N0B). Component side. 1 2 3 4 5 6 Y X 0 1 23 4 5 6 7 8 Y X 1 2 3 4 5 6 0 8 76 54 3 21 R1332 + C1364 C1365 + J7 R1333 C1303 + + C1301 C1340 .
72GF-66E 20 MOTHER UNIT (F7293N5A) PWB P ARTS LOCA TION T ABLES. Component Side. Ref No Xum Yum (A) 19558 182118 (AA) 20066 207010 (AV) 166649 12496 (AV). 142494 34620 (CC) 227076 223774 (CV1) 277114 26670 (CW ) 8636 157734 (EW ) 121920 22860 (F) 104902 72898 (FV) 264668 36322 (FV).
72GF-66E 21 MOTHER UNIT (F7293N5A) PWB P ARTS LOCA TION T ABLES. Component Side. Ref No Xum Yum J331 257048 42164 J337 261873 152908 J343 222504 59182 J344 64516 232664 J347 227838 36576 J348 225298 3.
72GF-66E 22 MOTHER UNIT (F7293N5A) PWB P ARTS LOCA TION T ABLES. Copper Side. Ref No Xum Yum C1002 275590 143510 C1005 262890 163626 C1014 304800 173482 C1015 120396 235966 C1017 214376 151638 C1018 2.
72GF-66E 23 MOTHER UNIT (F7293N5A) PWB P ARTS LOCA TION T ABLES. Copper Side. Ref No Xum Yum Q606 183896 122174 Q607 275336 180848 Q608 218948 157226 Q702 27432 138684 Q703 28448 144780 Q708 68580 229.
72GF-66E 24 CRT MODULE UNIT PWB (F7269N3) P ARTS LOCA TION T ABLES. Component Side. Copper side Ref No Xum Yum (B) 136906 10922 (MO) 93726 10922 (Q) 71374 11176 (RT) 61214 49784 C1608 75438 29718 C160.
72GF-66E 25 FRONT A/V UNIT PWB (F7306N0B) P ARTS LOCA TION T ABLES. Component Side. Copper side Ref No Xum Yum (CC) 60426 14224 (FV) 49504 14224 (J) 82270 11734 (SS) 32232 14224 CN4 79984 40005 J401 6.
72GF-66E 26 DIGIT AL MODULE UNIT (F7295N0B) PWB P ARTS LOCA TION T ABLES. Component Side. Copper side Ref No Xum Yu m (KA) 115620 52527 (RGB) 138938 52527 C6009 69596 29718 C6014 148 082 52578 C6016 1.
72GF-66E 27 400Hz 1 2 3 4 5 6 7 8 9 10 11 12 13 580V 1.3 KV 31.25 KHz 4 Vp-p 31.25 KHz 41 Vp-p 31.25 KHz 1.8 Vp-p 100Hz 3.3V 100Hz 19Vp-p 100Hz 25 Vp-p 100Hz 400Hz 1.15 Vp-p 31.25KHz 350 Vp-p 100Hz 45 Vp-p 113 KHz FM GND GND GND GND GND GND SERVICE PRECAUTION: THE AREA ENCLOSED BY THIS LINE ( ) IS DIRECTL Y CONNECTED WITH AC MAINS VOL T AGE.
72GF-66E 28 SCHEMA TIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 V ersion. 1 I H G F E D C B A 2 3 4 567 Page 29 Page 30 3 1 2 3 1 2 3 1 2 3 +5V GND +5V RC 1 2 3 4 +5V +5V +5V +5V +5V +3.
72GF-66E 29 SCHEMA TIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 V ersion. 8 9 10 1 1 12 13 14 I H G F E D C B A Page 28 Page 31 TB0001 Vh GND V OUT V IN 12 3 4 5 +200V +140V +5V +5V +5V +140V +8V +140V +.
72GF-66E 30 SCHEMA TIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 V ersion. (YA) (YB) 1 2 1 2 1 2 3 12 3 1 2 3 1 2 3 1 2 3 4 OUT L GND GND OUT R GND OUT R OUT L OUT R OUT L GND GND IN CHROMA GND IN LUMA LED OPC OPC LED GND +5V 1 2 3 4 5 6 IN IN +5V G MUTE 21 CN1285 +16V +16V +5V -16V +5V -16V +16V +5V -16V +5V -16V +3.
72GF-66E 31 SCHEMA TIC DIAGRAM OF MOTHER UNIT (K7293N5A), 00 V ersion. MOTHER BOARD (YB) (YC) 12345 R OUT R IN L OUT L IN B SS G R FS V OUT V IN R OUT R IN L OUT L IN SS FS V OUT AV LINK AV LINK SERVICIO 04-05-2001 0 L' 123 4 E/W +13V -13V G HH V V CN1285 CN1285 72GF66E +5V +140V +33V +3.
72GF-66E 32 SCHEMA TIC DIAGRAM OF CRT MODULE UNIT (F7269N3), 00 V ersion. 1 I H G F E D C B A 234 5 6 7 Page 33 1 2 3 4 5 6 7 8 SVM GND +5V SENS GND R G B +12V +12V +12V +12V +12V REALIZA DO VERI F Q8.
72GF-66E 33 SCHEMA TIC DIAGRAM OF CRT MODULE UNIT (F7269N3), 00 V ersion. 8 9 10 1 1 12 13 14 I H G F E D C B A Page 32 H.V. 27.5 KV 1 2 3 1 2 3 4 V1012CE 5 FOCUS G2 (L3) +200V GND Vh +140V 1 2 3 4 +13V -13V +12V +12V GND Hasta INF O 58 9 SHARP ELE CTRO NIC A ESPANA S.
72GF-66E 34 1 I H G F E D C B A 234 5 6 7 SCHEMA TIC DIAGRAM OF FRONT A/V UNIT (F7306), 00 V ersion. 12 3 1 2 31 2 1 2 OUT L OUT R GND OUT R OUT L GND GND CHROMA IN GND LUMA IN SHARP ELEC TRO NICA ESPANA S.
72GF-66E 35 SCHEMA TIC DIAGRAM OF DINAMIC FOCUS UNIT (F7271), 00 V ersion. 1 I H G F E D C B A 2 3 45 6 7 SHARP ELECTRONICA E SPANA S.A. NOMBRE CODIGO ESCALA MODELO FECHA REVISIONES N 2 3 4 5 6 FECHA .
72GF-66E 36 GN1285 10 X 100 12 X 100 GN01285 12 REALIZADO VERI RES1 CLK AVI VS VO CI VI1 VI3 VI4 CLK VO FB1 FB1 B B G G R R VI1 FB1 VI3 B G VI2 R VI4 CI RES1 DUM VIDEO AVI VS RM GM VI2 SCL SDA SCL RES SDA GND RES FBM GND +5V +5V +5V +5V +5V +3.3V +3.3V +5V +3.
72GF-66E 37 SCHEMA TIC DIAGRAM OF DIGIT AL MODULE UNIT (F7295N0A), 00 V ersion. 8 9 10 1 1 12 13 14 I H G F E D C B A Page 36 3456 Y(C) GN1285 R B G 2 234 1 GND SENS +5V SHARP ELE CTRONICA ESPANA S.
72GF-66E 38 1 I H G F E D C B A 23 4 5 6 7 18-01-2001 Module Line Filter 72GF66E SHARP ELECTRONICA ESPANA S.A. NOMBRE CODIGO ESCALA MODELO FECHA REVISIONES N 2 3 4 5 6 FECHA A-4 PW B F 7 B M N 38 REAL.
72GF-66E 39 SCHEMA TIC DIAGRAM OF POWER SUPPL Y UNIT (F7305), 00 V ersion. 1 I H G F E D C B A 234 5 6 7 M6701 1 1 1 2 22 3 3 3 1 2 3 18-04-2001 PLACA POWER RC +5V GND +5V GND LED OPC1 1 2 3 OPC LEDOPC 72GF66E +5V +5V +5V HASTA INFO 899 SHARP ELECTRONICA ESPANA S.
72GF-66E 40 SCHEMA TIC DIAGRAM OF AUDIO AMPLIFIER UNIT (F7304NOB), 00 V ersion. 1 I H G F E D C B A 2 3 45 6 7 12 3 1 2 31 2 1 2 OUT L OUT R GND OUT R OUT L GND GND CHROMA IN GND LUMA IN SHARP ELEC TRO NICA ESPANA S.
72GF-66E 41 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.
72GF-66E 42 BLOCK DIAGRAM A A B B C C 1 2 3 4 +16V AUDIO -16V AUDIO +148V Q 713 Q 704 Q 706 Q 705 Q 707 +5V DIGITAL T 701 POR 701 ON/ST-BY POWER ST-BY CONTROL +5V Micro Proc.
72GF-66E 43 BLOCK DIAGRAM C C D D E E 1 2 3 4 +16V -16V +16V -16V Q 304 Q 303 Q 302 AUDIO PROTECTOR Q 305 Q 306 MUTE +16V -16V MSP 3410 D IC 305 Q 901 Q 902 Q 903 Q 905 Q 904 Q 906 Q 908 Q 907 Q 909 R G B Q 5410 Q 5411 Q 5412 Q 1603 Q 1604 C.R.T. H.V.
72GF-66E 44 MARK *: SPARE PARTS DELIVERY SECTION PARTS DESCRIPTION * SN CODE EX CODE PICTURE TUBE VB68QCP891X4E 29"A68QCP891X110SAMS.100HZTRUEFLAT GERMA S CK DE CCILG0404BMV0 DEG COIL SET NUCTOR .
72GF-66E 45 REF No. PARTS DESCRIPTION * SN CODE EX CODE D 0507 RH-EX0558BMZZ ZENER DIODE TZMC18 TFK SMD S AA AA D 0508 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA AA D 0509 RH-DX0551BMZZ DIODE LL4148 TFK .
72GF-66E 46 REF No. PARTS DESCRIPTION * SN CODE EX CODE C 0325 RC-FZ4334BMNJ POL FILM C 330nF 50V 5% ECQ-V PANASONIC S AA ** C 0326 VCEAGA1CW106M ELEC C 10UF 20% 16V S AA ** C 0327 VCKYTV1HF104Z CERAM.
72GF-66E 47 REF No. PARTS DESCRIPTION * SN CODE EX CODE C 0710 VCKYPB3DE472Z C DE1110-1E472Z2K MURATA S AA ** C 0711 RC-KZ0035CEZZ CERAM C 220PF 2KV S AA AC C 0712 VCCCTV1HH101J CERAM C 100PF 50V 2125.
72GF-66E 48 REF No. PARTS DESCRIPTION * SN CODE EX CODE R 0418 VRD-RA2HD680J RES 68 OHM 5% 1/2W S AA ** R 0419 VRD-RA2EE750J RES 75 OHM 5% 1/4W S AA ** R 0420 VRD-RA2BE102J RES 1KOHM 5% 1/8W S AA ** R.
72GF-66E 49 PARTS DESCRIPTION * SN CODE EX CODE R 1029 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA AA R 1030 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA AA R 1031 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA AA R 1032 VRS-TV1JD273J 2125 27KOHM 5% 1/10W SMD S AA ** R 1035 VRS-TV1JD472J 2125 4.
72GF-66E 50 REF No. PARTS DESCRIPTION * SN CODE EX CODE J 0352 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA AA J 0360 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA AA J 0361 VRS-TV1JD000J 2125 0 OHM 5% 1/1.
72GF-66E 51 REF No. PARTS DESCRIPTION * SN CODE EX CODE R 0889 VRD-RA2HD331J RES 330 OHM 5% 1/2W S AA ** R 0891 VRC-MA2HG681J SOLID R 680 OHM 5% 1/2W S AA AB R 0892 VRD-RA2HD331J RES 330 OHM 5% 1/2W S.
72GF-66E 52 REF No. PARTS DESCRIPTION * SN CODE EX CODE D 6003 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA AA D 6004 RH-EX0544BMZZ ZENER DIODE TZMC4V7 TFK SMD S AA AA D 6005 RH-DX0551BMZZ DIODE LL4148 TFK.
72GF-66E 53 REF No. PARTS DESCRIPTION * SN CODE EX CODE R 6030 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA AA R 6031 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA AA R 6032 VRS-TV1JD103J 2125 10KOHM 5.
72GF-66E 54 REF No. PARTS DESCRIPTION * SN CODE EX CODE (CC) QPLGN0241CEZZ PLUG S AA ** (CN4) QJAKJ0047CEZZ EARPHONE JACK HSJ0998-72 S AA AG (FV) QCNW-2825BMZZ WIRE (FV) 2 WAYS S AB ** (FV) QPLGN0241C.
72GF-66E 55 2 3 3 4 1.3 1.2 1.5 1.4 1.6 1.7 1.8 1 1.1.
48 72GF-66E PRINTED BY : ON: No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Sharp 72GF-66E è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Sharp 72GF-66E - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Sharp 72GF-66E imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Sharp 72GF-66E ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Sharp 72GF-66E, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Sharp 72GF-66E.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Sharp 72GF-66E. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Sharp 72GF-66E insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
