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Sharp 70GS-66E Service Manual
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Sharp 70GS-66E Service Manual

Sharp 70GS-66E Service Manual

Da-100 chassis. pal i system colour television
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ELECTRICAL SPECIFICATION.......................3
IMPORTANT SERVICE NOTES.......................4
ADJUSTMENTS PROCEDURES.....................5
PRINTED WIRING BOARDS..........................10

SHARP CORPORATION

SERVICE MANUAL

PAL I SYSTEM COLOUR TELEVISION
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
COMPONENT LOCATION TABLES...............14
SCHEMATIC DIAGRAM..................................20
PARTS LISTING..............................................28
1
SEJB70GS66E00
Issued: Tent 24 Jan 2001
DA-100
CHASSIS
70GS-66E
This document has been published to
be used for after sales service only.
70GS-66E

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Summary of Contents for Sharp 70GS-66E

  • Page 1: Table Of Contents

    70GS-66E SERVICE MANUAL SEJB70GS66E00 Issued: Tent 24 Jan 2001 DA-100 CHASSIS PAL I SYSTEM COLOUR TELEVISION 70GS-66E 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.
  • Page 2 70GS-66E SERVICE MANUAL UPDATE LOG SHEET Technical Report No. Application Cause / Solution Part No. Page No. Data /Serial No. Technical Bulletin No. Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc. If only part number changes are required, just change part number directly the part number in the Parts Listing Section.

  • Page 3: Electrical Specification

    70GS-66E ELECTRICAL SPECIFICATIONS •Power Input ...... 220V-240 Volts AC 50Hz •Sweep Deflection ....... Magnetic •Picture Intermediate frequency •Power Consumption L’............33.9MHz Normal Operation ........88W L, B/G, D/K, I.......38.9MHz Stand-by Operation ........1W •Sound Carrier Trap L’..........40.4MHz L, D/K...........32.4MHz •Audio Power Output Rating (MPO) / Impedance B/G..........33.4MHz...

  • Page 4: Important Servicing Notes

    70GS-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: Adjustment Procedures

    70GS-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 70GS-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 • S Correction • Pin Phase • Vertical Shift •...
  • Page 7 70GS-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 70GS-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 D731 S701 FB701 (CW) J284 R713 C705 D734 F701 R714 L703 (SW1) L702 C711 FB702 JF29 D711 F601 L611 D608 L609A C637 TP602 R770 C641 C618 J207 R612 C634 IC706 D612 C601 J171 M1000 C638 D718 D722 D719 J100 (STB2) J320 (RC) C718...
  • Page 11 J177 R533 D1809 J178 L503 J179 R1834 JL31. C644 L501 J102 J103 C514 C520 J183 D510 R526 JL17. D622 R550 R650 R534 J265 J185 J138 Q502 J266 J139 R451 JF32 J250 JF33 FB302 J280 JF34 JF35 C415 JL12. J318 JF31 (VS) J113 L803...
  • Page 12 R215 R210 R361 C226 Q303 C377 J131 J170 X301 (SA) J130 R218 J301 J129 R1021 Q302 (SB) J189 C333 C361 R220 R359 JF19 C210 L205 C330 R217 IC202 D301 R322 C363 J128 R360 L202 C325 C328 C206 R321 C370 Q207 R241 C327 R1002...
  • Page 13 R450 C511 R447 J178 C515 R511 D415 R1804 R533 R502 R512 D1809 J177 J281 R435 J176 D725 R758 R402 C517 R540 Q901 C526 C408 R560 J175 C1812 D402 R646 R537 R1839 R1803 Q710 C1810 J174 R538 C1813 C646 Q903 C645 R520 C539 R503...

  • Page 14: Printed Wiring Boards

    70GS-66E DIGITAL MODULE UNIT PRINTED WIRING BOARD. C6077 X6001 C6033 R6020 R6021 R6024 R6025 (SEL) C6026 C6094 R6022 C6125 X6003 X6004 (KA) R6023 (RGB) Q6005 C6126 C6075 R6074 C6034 R6072 R6073 R6075 (VD) R6078 R6081 C6093 C6050 IC6003 R6082 R6083...

  • Page 15: Component Location Tables

    70GS-66E MOTHER UNIT (F7240NF) PWB COMPONENT LOCATION 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 19558 182118 C218 293624 9906 C514...
  • Page 16 70GS-66E MOTHER UNIT (F7240NF) PWB COMPONENT LOCATION 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 J191 211836 89154 J270 241554 39116...
  • Page 17 70GS-66E MOTHER UNIT (F7240NF) PWB COMPONENT LOCATION TABLES. Comp. Side. Copper Side. Ref No Xmm Ymm Ref No Xmm Ref No Xmm Ref No Xmm Ref No Xmm R611A 117602 15748 C1002 275590 143510 C2402 217932 163830 C408 159004 18542...
  • Page 18 70GS-66E MOTHER UNIT (F7240NF) PWB COMPONENT LOCATION TABLES. Copper Side. Ref No Xmm Ref No Xmm Ref No Xmm Ref No Xmm Ref No Xmm Ref No Xmm C824 207010 74676 D506 150622 70866 J132 69342 124206 JF21 207518 226060...
  • Page 19 70GS-66E MOTHER UNIT (F7240NF) PWB COMPONENT LOCATION TABLES. Copper Side. Ref No Xmm Ref No Xmm Ref No Xmm Ref No Xmm Ref No Xmm Ref No Xmm R215 319786 95504 R308 250444 235966 R417 211582 22352 R520 154940 75692...
  • Page 20 S704 S705 S702 S703 KZ0079 KZ0079 KZ0079 KZ0079 M1000 CU0205BM +10V LP701 H.V. P0001 R1833 27.5 KV GN0304 C732 R1822 R1821 IC1801 10nF C730 TEA5101A 10nF C731 (1/2W) (1/2W) R1820 R1831 10nF R721 R703 IX1416 ISEN 150K 150K R1832 (1/2W) C1802 C1809 (1/2W)
  • Page 21 220pF FB702 D711 D720 DX0539 LN0037 KZ0035 X2401 R2402 BYT52M DX0587 FB703 B0214 MR826 LN0037 R716 R1008 R1061 20.48MHz Q701 +140V TX0198 Q505 S5F10N80 2SC2412 C720 R717 R766 C712 EZ0258 D712 C723 100pF 100uF Q2401 R2403 EX0419 (TQ) 2200uF (200V) 2SC2412 INTQ R526...
  • Page 22 L / R AUDIO VIDEO IN L350 3.3uH IC301 (CF) J401 +16V J301 QJAKZ0101BM TDA7480 JAKJ0047CEZZ R1038 R1039 C351 C352 R350 R352 C354 220uF 100nF 100pF (25V) C350 D1001 D1002 100nF R375 PX0105 PX0105 H.V. 27.5 KV C428 C429 R351 L352 C353 P0278...
  • Page 23 Hasta INFO 961 MOTHER BOARD K I T P 7 B M N 24-11-2000 Hasta INFO 960 21-11-2000 Hasta INFO 947 FECHA 15-01-2001 14-11-2000 Hasta INFO 937 SHARP ESCALA 03-11-2000 Hasta INFO 916 70GS66E MODELO ELECTRONICA ESPANA S.A. FECHA REVISIONES...

  • Page 24: Schematic Diagram

    70GS-66E SCHEMATIC DIAGRAM OF 100HZ UNIT (F7308N1), 00 Version. C6050 100uF (10V) L6005 L6006 L6004 +3,3V L6009 3.3uH C6046 3.3uH +3,3V L6001 10uH 3.3uH 100nF C6033 C6018 C6019 470uF C6017 C6051 47nF (6.3V) C6044 27pF 10nF C6144 68nF 68nF 330uF (6.3V)
  • Page 25 70GS-66E SCHEMATIC DIAGRAM OF 100HZ UNIT (F7308N1), 00 Version. R6124 +3,3V (PW) +3,3V C6156 D6009 GN0242 22pF 6 006 (50V) .3uH R6027 C6034 D6004 470uF (KA) R6026 C4V7 C6072 (6,3V) EX0544 15pF L6018 0 52 GN0842 L6016 X6003 10uH C6073 D6003 3.3uH...
  • Page 26 BC547 (VD) +3,3V C7001 R7004 1000uF 6,3V GN0242 TENTATIVE-REV-00 REALIZADO VERIFICADO APROBADO NOMBRE CODIGO POWER SUPPLY P W B F 7 B M N 3,3V ESCALA FECHA 30-10-2000 SHARP 30-10-2000 Hasta INFO 859 70GS66E MODELO REVISIONES ELECTRONICA ESPANA S.A. FECHA...
  • Page 27 (TQ) (TQ) (1%) (1%) TENTATIVE REV-00 REALIZADO VERIFICADO APROBADO NOMBRE CODIGO Modulo PFC P W B F 7 B M N FECHA 08-01-2001 22-11-2000 HASTA INFO 953 SHARP ESCALA 18-10-2000 HASTA INFO 879 70GS66E MODELO ELECTRONICA ESPANA S.A. FECHA REVISIONES...
  • Page 28 70GS66E CCABA1336BMV1 CABINET SET+ELEC ASS 70GS66E S -- 70GS66E CCABB1083BMV0 REAR CABINET S AQ BB 70GS66E CINS-6937BMV0 INS SET 70GS66E S -- 70GS66E CPAKC5448BMV0 PACKING SET S -- 70GS66E DLAB-2448BMV0 LABELS SET FOR B LINE MODELS S -- 70GS66E DSETU7240CJX7 ADJUST MOTHER SET 70GS66E S CD CX 70GS66E...
  • Page 29 70GS66E DUNTK7240 (PW) QCNCM0672FCZZ CONN B2P3-VH JST S AA AB 70GS66E DUNTK7240 (RG0000 QPLGN0441CEZZ PLUG 4PIN S AA AA 70GS66E DUNTK7240 (SP0000 QPLGN0441CEZZ PLUG 4PIN S AA AA 70GS66E DUNTK7240 QCNW-2869BMZZ AV/FRONT QIRE DOUBLE WINDOW S AH AU 70GS66E DUNTK7240 (YA0000 QSOCN1285CEZZ SOCKET...
  • Page 30 70GS66E DUNTK7240 C 0352 RC-FZ4104BMNJ POL FILM C 100nF 50V 5% ECQ-V PANASONIC S AA AA 70GS66E DUNTK7240 C 0353 RC-FZ4104BMNJ POL FILM C 100nF 50V 5% ECQ-V PANASONIC S AA AA 70GS66E DUNTK7240 C 0354 VCCCTV1HH101J CERAM C 100PF 50V 2125SMD S AA AA 70GS66E DUNTK7240...
  • Page 31 70GS66E DUNTK7240 C 0507 VCKYTV1HB472K CERAM C 4,7NF 50V 2125SMD S AA AA 70GS66E DUNTK7240 C 0508 VCCCTV1HH561J CERAM C 560PF 50V 2125SMD S AA AA 70GS66E DUNTK7240 C 0509 VCEAGA1EW227M ELEC C 220UF 20% 25V S AA AA 70GS66E DUNTK7240 C 0510 VCKYTV1HF104Z...
  • Page 32 70GS66E DUNTK7240 C 0735 VCKYTV1HB272K CERAM C 2,7NF 50V 2125SMD S AA AB 70GS66E DUNTK7240 C 0737 VCKYTV1CF105Z CERAM C 1UF 16V 2125SMD S AA AB 70GS66E DUNTK7240 C 0738 VCCCTV1HH560J CERAM C 56PF 50V 2125SMD S AA AA 70GS66E DUNTK7240 C 0739 VCEAGA1CW227M ELEC C 220UF 20% 16V...
  • Page 33 70GS66E DUNTK7240 D 0504 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA AA 70GS66E DUNTK7240 D 0506 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA AA 70GS66E DUNTK7240 D 0507 RH-EX0554BMZZ ZENER DIODE TZMC12 TFK SMD S AA AA 70GS66E DUNTK7240 D 0508 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA AA...
  • Page 34 70GS66E DUNTK7240 FV 0001 QPLGN0241CEZZ PLUG S AA AA 70GS66E DUNTK7240 FV 0002 QPLGN0241CEZZ PLUG S AA AA 70GS66E DUNTK7240 IC 050 RH-IX1786BMZZ C.I. TDA 7480L THOMSON S AD AL 70GS66E DUNTK7240 IC 0201 RH-IX1671BMZZ IC TDA4470-MFL TEMIC SMD S AF AQ 70GS66E DUNTK7240 IC 0202...
  • Page 35 70GS66E DUNTK7240 L 0204 RCILP0229BMZZ COIL SMD 610NH LQN1HR61J S AA AD 70GS66E DUNTK7240 L 0205 RCILP0229BMZZ COIL SMD 610NH LQN1HR61J S AA AD 70GS66E DUNTK7240 L 0301 VP-DF100K0000 PEAK COIL 10UH 10% S AA AA 70GS66E DUNTK7240 L 0315 VP-CF3R3K0000 PEAK COIL 3.3UH 10% S AB AB...
  • Page 36 70GS66E DUNTK7240 Q 1007 VS2SC2412KQ-1 TRT 2SC2412 ROHM S AA AA 70GS66E DUNTK7240 Q 2401 VS2SC2412KQ-1 TRT 2SC2412 ROHM S AA AA 70GS66E DUNTK7240 R 0203 VRS-TV1JD102J 2125 1KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 0204 VRS-TV1JD102J 2125 1KOHM 5% 1/10W SMD S AA AA 70GS66E...
  • Page 37 70GS66E DUNTK7240 R 0362 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 0363 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 0372 VRS-TV1JD103J 2125 10KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 0373 VRS-TV1JD103J...
  • Page 38 70GS66E DUNTK7240 R 0515 VRS-TV1JD122J 2125 1,2KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 0516 VRS-TV1JD102J 2125 1KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 0517 VRS-TV1JD153J 2125 15KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 0518 VRN-VV3DB1R0J...
  • Page 39 70GS66E DUNTK7240 R 0727 VRD-RA2HD181J RES 180 OHM 5% 1/2W S AA AA 70GS66E DUNTK7240 R 0728 VRD-RA2HD181J RES 180 OHM 5% 1/2W S AA AA 70GS66E DUNTK7240 R 0730 VRS-VV3AB820J MET OX RES 82 OHM 5% 1W S AA AA 70GS66E DUNTK7240 R 0733...
  • Page 40 70GS66E DUNTK7240 R 1038 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 1039 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 1040 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7240 R 1041...
  • Page 41 70GS66E DUNTK7241 C 1814 VCKYPB3DE472Z C DE1110-1E472Z2K MURATA S AA AC 70GS66E DUNTK7241 C 1815 VCKYTV1HF473Z CERAM C 47NF 50V 2125SMD S AA AA 70GS66E DUNTK7241 C 1820 VCCCTV1HH100D CERAM C 10PF 50V 2125SMD S AA AA 70GS66E DUNTK7241 C 1821 VCCCTV1HH100D CERAM C 10PF 50V 2125SMD S AA AA...
  • Page 42 70GS66E DUNTK7308 C 6006 VCCCTV1HH151J CERAM C 150PF 50V 2125SMD S AA AA 70GS66E DUNTK7308 C 6007 VCKYTV1EF334Z CERAM C 330NF 25V 2125SMD S AA AB 70GS66E DUNTK7308 C 6008 VCKYTV1EF334Z CERAM C 330NF 25V 2125SMD S AA AB 70GS66E DUNTK7308 C 6009 VCCCTV1HH151J...
  • Page 43 70GS66E DUNTK7308 C 6078 VCKYTV1HF223Z CERAM C 22NF 50V 2125SMD S AA AA 70GS66E DUNTK7308 C 6079 VCKYTV1HF223Z CERAM C 22NF 50V 2125SMD S AA AA 70GS66E DUNTK7308 C 6081 VCCCTV1HH121J CERAM C 120PF 50V 2125SMD S AA AA 70GS66E DUNTK7308 C 6090 VCKYTV1HF104Z...
  • Page 44 70GS66E DUNTK7308 D 6012 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA AA 70GS66E DUNTK7308 D 6015 RH-EX0579BMZZ ZENER DIODE TZMB3V9 TFK SMD 2% S AA AA 70GS66E DUNTK7308 FB 6201 VRS-TQ2BD000J 3216 0 OHM 5% 1/8W SMD S AA AA 70GS66E DUNTK7308 FB 6202...
  • Page 45 70GS66E DUNTK7308 R 6027 VRS-TV1JD392J 2125 3.9KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7308 R 6028 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7308 R 6029 VRS-TV1JD182J 2125 1,8KOHM 5% 1/10W SMD S AA AA 70GS66E DUNTK7308 R 6030 VRS-TV1JD152J...
  • Page 46 70GS66E DUNTK7334 Q 7002 RH-TX0106BMZZ TRT BC547 S AA AB 70GS66E DUNTK7334 R 7001 VRN-VV3LB2R7J MET FILM R 2.7 OHM 5% 3W S AA AC 70GS66E DUNTK7334 R 7002 VRD-RA2BE331J RES 330 OHM 5% 1/8W S AA AA 70GS66E DUNTK7334 R 7003 VRD-RA2BE221J RES 220 OHM 5% 1/8W...