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Sharp 70GS-65S Service Manual

Pal system colour television
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ELECTRICAL SPECIFICATION.......................3
IMPORTANT SERVICE NOTES.......................4
ADJUSTMENTS PROCEDURES.....................5
PRINTED WIRING BOARDS..........................10
COMPONENT LOCATION TABLES...............16

SHARP CORPORATION

SERVICE MANUAL

PAL 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
SCHEMATIC DIAGRAM..................................22
BLOCK DIAGRAM...........................................32
STEREO LED FLASHING CODE...................34
PARTS LISTING..............................................35
1
SEJB70GS65S00
Issued: 5th April 2001
DA-100
CHASSIS
70GS-65S
This document has been published to
be used for after sales service only.
70GS-65S

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  • Page 1: Table Of Contents

    70GS-65S SERVICE MANUAL SEJB70GS65S00 Issued: 5th April 2001 DA-100 CHASSIS PAL SYSTEM COLOUR TELEVISION 70GS-65S 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: Electrical Specification

    70GS-65S ELECTRICAL SPECIFICATIONS •Power Input ....220V-240 Volts AC 50Hz •Convergence Static (Centre) .. between any two colours Dynamic ....after static equals zero •Power Consumption •Focus ....High Bi-Potential Electrostatic Normal Operation ........84W •Sweep Deflection ....... Magnetic Stand-by Operation ........1W •Picture Intermediate frequency ..

  • Page 3: Important Servicing Notes

    70GS-65S 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 4: Adjustments Procedures

    70GS-65S 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 5 70GS-65S 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 6 70GS-65S 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 7 70GS-65S • 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 8 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 9: Printed Wiring Boards

    70GS-65S MOTHER UNIT PRINTED WIRING BOARD (F7240NJA). Component side. K7240BM R778 IC1008 LP701 R703 D1001 D1002 (SW2) S702 S704 S703 S705 C701 FB1002 R791 R721 J344 C707 R790 C706 (OPC) (ST) L701 R792 Q711 R1036 CF701 IC701 C724 JF53 JF54...
  • Page 10 70GS-65S MOTHER UNIT PRINTED WIRING BOARD (F7240NJA). Component side. KITP7240BMNJ L317 C353 L352 J401 C361 C363 (SS) C356 C352 L318 IC301 (FV). C351 C368 C373 L350 C431 C430 (CC) L351 C341 F7240BMNJ C372 L315 L316 (L3) IC302 IC2401 R359 C365 (H).
  • Page 11 70GS-65S MOTHER UNIT PRINTED WIRING BOARD (F7240NJA). Copper side. QKITP7240BMNJ L317 R353 IC301 C337 L352 C359 C338 C381 J401 C336 (SS) C387 R310 C356 R352 C354 J345 R317 R351 C350 R311 C364 Q305 (CC) C352 C320 C351 L318 R362 R312...
  • Page 12 70GS-65S MOTHER UNIT PRINTED WIRING BOARD (F7240NJA). Copper side. J313 M1000 LP701 R778 D1002 R789 R703 D724 C733 C732 C731 C730 R751 R738 S701 C1015 R791 J344 R788 R790 R721 IC702 R787 C707 Q708 R735 JF47 R792 Q712 R754 R1036...
  • Page 13 70GS-65S DIGITAL MODULE UNIT PRINTED WIRING BOARD (F7333NOA). NOTE: S-Video not available as a source in PIP Features. C6034 F7333BMN0 C6069 R6008 R6009 (RGB) C6075 R6011 X6001 R6010 R6013 R6014 C6035 R6015 R6017 C6021 R6016 IC6002 R6020 C6088 R6012 R6019...
  • Page 14 70GS-65S DIGITAL MODULE UNIT PRINTED WIRING BOARD (F7333N1). NOTE: S-Video available as a source in PIP Features. C6034 F7333BMN1 C6069 R6008 R6009 (RGB) C6075 R6011 X6001 R6010 R6013 R6014 C6035 R6015 R6017 C6021 R6016 R6020 IC6002 C6088 R6012 R6019 C6041...

  • Page 15: Component Location Tables

    70GS-65S MOTHER UNIT (F7240NJA) 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 J137 183388 122428 J212 182372 78486 (AA)
  • Page 16 70GS-65S MOTHER UNIT (F7240NJA) 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 20497 247015 J337 261873 152908 JF33 206502 129286...
  • Page 17 70GS-65S MOTHER UNIT (F7240NJA) 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 D706 83058 212852 J352 319024 189484...
  • Page 18 70GS-65S MOTHER UNIT (F7240NJA) 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 25654 R634 103378 94234 R817 214376 58674...
  • Page 19 70GS-65S DIGITAL MODULE (F7333N0A) PWB PARTS LOCATION TABLES. Component side. Copper Side. Ref No Ref No Ref No Ref No Ref No (KA) 115620 52527 C6001 43180 45466 C6084 43434 32512 IC6001 36322 37592 R6028 110490 28448 (RGB) 138938 52527...
  • Page 20 70GS-65S DIGITAL MODULE (F7333N1) PWB PARTS LOCATION TABLES. Component side. Copper Side. Ref No Ref No Ref No Ref No Ref No Ref No (KA) 115620 52527 C6001 43180 45466 FB6208 73406 13208 FB6208 73406 13208 R6021 109982 38100 R6136...
  • Page 21 70GS-65S 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 2. All resistors are 1/8 watt. unless otherwise noted. OUTLET BEFORE REPLACING PARTS.
  • Page 22 22-11-2000 HASTA INFO 953 SHARP ESCALA Digitally signed by Adolfo Fernandez 18-10-2000 HASTA INFO 879 cn=Adolfo Fernandez, ou=CAD GLOBAL NETWORK, o=SHARP, c=ES Date: 2001.04.04 12:16:34 Z Reason: This document is ready for approval MODELO 70GS65S FECHA REVISIONES ELECTRONICA ESPANA S.A.
  • Page 23 D1811 Q913 VP-CF470K00 0* 2SA1037 JF62 R1844 R1843 +10V R1835 KZ0079 KZ0079 KZ0079 KZ0079 S702 S703 S704 S705 100. M1000 R1802 R1803 R1833 (1/2W) (L3) CU0205BM 100. R1831 R1832 ACUADAG R1804 (1/2W) Q902 GN0304 LP701 R1801 2SC2412 100. P0001 (1/2W ) (1/2W) IC1801 Q901...
  • Page 24 -16V C1032 100nF C711 2.2uF C1017 220pF FB702 D711 33nF D720 C2409 LN0037 DX0539 KZ0035 X2401 R2402 BYT52M DX0587 FB703 B0214 MR826 LN0037 47pF R716 20.48MHz +140V R1008 Q701 TX0198 S5F10N8 0 C720 R2408 R717 C712 EZ0258 D712 Q2401 100uF C723 100pF R2403...
  • Page 25 J401 0015B L350 3.3uH (CF) +16V J301 R1038 R1039 KJ0047C E C352 C351 100nF R350 R352 C354 220uF 100pF (25V) C350 D1002 R375 100nF H.V. D1001 PX0105 PX0105 27.5 R472 R351 NW-247 5 L352 C428 C429 P0278 C353 C356 100nF 330nF C360 L318...
  • Page 26 K I T P 7 B M N 12-01-2001 Hasta INFO 1012 30-10-2000 Hasta INFO SDC8 Digitally signed by Adolfo Fernandez cn=Adolfo Fernandez, ou=CAD GLOBAL NETWORK, o=SHARP, c=ES FECHA 15-12-2000 03-04-2001 Hasta INFO 991 Date: 2001.04.04 12:17:22 Z SHARP ESCALA...

  • Page 27: Schematic Diagram

    Y(A) Y(B) GN1285 GN1285 GN01285 REALIZADO VERIFICA Digitally signed by Adolfo Fernandez cn=Adolfo Fernandez, ou=CAD GLOBAL NETWORK, o=SHARP, c=ES NOTE: S-Video not available as a source in PIP Features. Date: 2001.04.05 07:17:00 Z Reason: This document is ready for approval...
  • Page 28 70GS-65S SCHEMATIC DIAGRAM OF DIGITAL MODULE UNIT (F7333N0A), 00 Version. C6018 R6005 15nF C6019 15nF R6006 C6014 C6020 3.3uF 15nF L6006 R6007 3.3uH C6016 C6015 22uF 100nF (50V) (KA) PWM1 C6017 22nF GN0641 C6076 15nF C6071 C6022 15nF 22nF BIN2...
  • Page 29 Y(C) Y(A) Y(B) GN1285 GN1285 GN01285 REALIZADO VERIFICA Digitally signed by Adolfo Fernandez cn=Adolfo Fernandez, ou=CAD GLOBAL NETWORK, o=SHARP, c=ES Date: 2001.04.04 12:23:48 Z NOTE: S-Video available as a source in PIP Features. Reason: This document is ready for approval...
  • Page 30 70GS-65S SCHEMATIC DIAGRAM OF DIGITAL MODULE UNIT (F7333N1), 00 Version. C6018 R6005 15nF C6019 15nF R6006 C6014 C6020 3.3uF 15nF L6006 R6007 3.3uH C6016 C6015 22uF 100nF (50V) (KA) PWM1 C6017 22nF GN0641 C6076 15nF C6071 C6022 15nF 22nF BIN2...

  • Page 31: Block Diagram

    70GS-65S BLOCK DIAGRAM 70GS-65S BLOCK DIAGRAM SF 201 TH 201 PERIPHERICS FM AUDIO AUDIO L/R SF 202 TUNER IC 201 CVBS TDA 4470 SF 203 21 PINS Q 6 1 0 2 MAIN POWER 21 PINS M 6701 + CH -...
  • Page 32 FOCUS EMULATOR D 6 0 5 Title BLOCK DIAGRAM 70GS-65S. HORIZ. DEFLECTION Size D o c u m e n t N u m b e r 7 0 G S - 6 5 S 0 1 1 4 J B 0 0...

  • Page 33: Stereo Led Flashing Code

    70GS-65S 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 34: Parts Listing

    70GS-65S PARTS LISTING PARTS DESCRIPTION SN CODE EX CODE Q 0501 VS2SC2412KQ-1 TRT 2SC2412 ROHM S AA REPLACEMENT PARTS Q 0502 RH-TX0201BMZZ TRT KSA928A SAMGUNG S AA Replacement parts which have special safety characteristics are identified Q 0503 RH-TX0172BMZZ IRFR010TM SAMSUNG N S AD in this manual.
  • Page 35 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE D 0619 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA L 0701 RCILF0108BMZZ COIL 472839.00 THOMSON S AF D 0620 RH-DX0551BMZZ DIODE LL4148 TFK SMD S AA L 0702...
  • Page 36 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 0351 VCEAGA1EW227M ELEC C 220UF 20% 25V S AA C 0514 RC-FZ4153BMNJ POL FILM C 15nF 50V 5% ECQ-B PANASONIC S AA C 0352 RC-FZ4104BMNJ POL FILM C 100nF 50V 5% ECQ-V PANASONIC...
  • Page 37 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 0313 VRS-TV1JD102J 2125 1KOHM 5% 1/10W SMD S AA C 0742 VCKYTV1HB683K CERAM C 68NF 50V 2125SMD S AA C 0743 VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD...
  • Page 38 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 0467 VRS-TV1JD333J 2125 33KOHM 5% 1/10W SMD S AA R 0707 VRS-TV1JD912J 2125 9.1KOHM 5% 1/10W SMD S AA R 0468 VRS-TV1JD330J 2125 33 OHM 5% 1/10W SMD...
  • Page 39 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 1029 VRS-TV1JD472J 2125 4.7KOHM 5% 1/10W SMD S AA J 0126 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA J 0132 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD...
  • Page 40 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE Q 6021 VS2SC2412KQ-1 TRT 2SC2412 ROHM S AA D 1809 RH-DX0501BMZZ DIODE 1N4004 S AA Q 6022 VS2SA1037KQ-1 TRT BC807 SMD S AA D 1810 RH-EX0546BMZZ ZENER DIODE TZMC5V6 TFK SMD...
  • Page 41 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 6034 VCEAGA0JW477M ELEC C 470UF 20% 6,3V S AA R 6015 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA C 6035 VCEAGA1HW476M ELEC C 47UF 20% 50V...
  • Page 42 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 6014 VCEAGA1HW335M ELEC C 3,3UF 20% 50V S AA JF 0002 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA JF 0003 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD...
  • Page 43 70GS-65S PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 6102 VRS-TV1JD334J 2125 330KOHM 5% 1/10W SMD S AA C 6094 VCKYTV1HB103K CERAM C 10NF 50V 2125SMD S AA C 6109 VCKYTV1CF105Z CERAM C 1UF 16V 2125SMD...
  • Page 44 70GS-65S PARTS DESCRIPTION SN CODE EX CODE FB 1701 RBLN-0080CEZZ BALUNE S AA L 0006 QTIPM0017CEFM S AA MISCELLANEOUS PARTS PMLT-1038BM00 SPACER 25X20X15 MM S AA QCNW-2745BMZZ MAT WIRE OREGA 100463.20 S AC QCNW-2746BMZZ FOCO WIRE OREGA 704030.54 S AA QCNW-2747BMZZ G2 WIRE OREGA 578129.50...

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