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Sharp 70GF-63E Service Manual

Pal b/g, i / secam l/l’, b/g, d/k system colour television
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PAL
/ SECAM
B/G, I
ELECTRICAL SPECIFICATION........................3
IMPORTANT SERVICING NOTES ..................4
SERVICE ADJUSTMENTS...............................5
PRINTED WIRING BOARDS............................8

SHARP CORPORATION

SERVICE MANUAL

SYSTEM COLOUR TELEVISION
L/L', B/G, D/K
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
PARTS ALLOCATION TABLES.......................15
SCHEMATIC DIAGRAM, WAVE FORMS........22
BLOCK DIAGRAM...........................................30
PART LIST........................................................31
1
SEJB70GF63E00
Issued: 20th Nov '00
DA-50W
CHASSIS
70GF-63E
This document has been published to
be used for after sales service only.
70GF-63E

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Summary of Contents for Sharp 70GF-63E

  • Page 1: Table Of Contents

    70GF-63E SERVICE MANUAL SEJB70GF63E00 Issued: 20th Nov ‘00 DA-50W CHASSIS / SECAM SYSTEM COLOUR TELEVISION B/G, I L/L’, B/G, D/K 70GF-63E 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 70GF-63E SERVICE MANUAL UPDATE LOG SHEET Technical Report # Application Cause / Solution Part # Page # Technical Bulletin # Data /Serial # Use this page to keep any special servicing information as Thecnical Report (Bulletin), Technical Information, etc. If only part number changes are required, just change part number directly on Part List Section.

  • Page 3: Electrical Specification

    70GF-63E ELECTRICAL SPECIFICATIONS •Power Input .......220V-240 Volts AC 50Hz INTERMEDIATE FREQUENCIES: •Picture Carrier Trap •Power Consumption L’............33.9MHz Normal Operating........88W L, B/G, D/K, I........38.9MHz •Sound Carrier Trap Stand-by Operating........1W L’............40.4MHz L, D/K...........32.4MHz B/G............33.4MHz •Audio Power Output Rating I............32.9MHz Internal Left Speaker.....10W (MPO) •Adjacent Sound Carrier Trap...

  • Page 4: Important Servicing Notes

    70GF-63E IMPORTANT SERVICING NOTES Only qualified service personnel are allowed to carry out mintenance 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: Service Adjustments

    70GF-63E SERVICE ADJUSTMENTS All the adjustments required for this chassis will be done in Service Mode, except G2 and Focus. • • • • • G2 ADJUSTMENT 1.Receive cross hatch pattern signal. 140 V 2. Set contrast to 80/100 and brightness to 40/100.

  • Page 6: A) Internal Pattern Signal Will Be Displayed

    70GF-63E 1− 1− 1− 1− 1− HORIZONTAL SHIFT a) Internal pattern signal will be displayed. b) When volume-up button is pressed, picture moves to the left. c) When volume-down button is pressed, picture moves to the right. d) Adjust the horizontal location to obtain picture centering (fig. 2).

  • Page 7: A) Internal Pattern Signal Will Be Displayed

    70GF-63E 9− 9− 9− 9− 9− S-CORRECTION a) Internal pattern signal will be displayed. b) When volume-up button is pressed, upper and lower scanning decreases, and center scanning increases. c) When volume-down button is pressed, upper and lower scanning increases, and center scanning decreases.
  • Page 8 70GF-63E MOTHER UNIT PRINTED WIRING BOARD. Component side. K7240BM IC1008 R778 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 (K).
  • Page 9 70GF-63E MOTHER UNIT PRINTED WIRING BOARD. Component side. KITP7240BMNF L317 C353 L352 J401 C361 C363 (CC) (SS) C356 (HD) C352 L318 IC301 (FV). C351 C368 C373 L350 C431 C430 R1003 L351 C341 F7240BMNF C372 L315 L316 IC302 (K). IC2401 R359...
  • Page 10 70GF-63E MOTHER UNIT PRINTED WIRING BOARD. Copper side. QKITP7240BMNF L317 R353 IC301 C337 L352 C359 R308 C381 J401 C336 (CC) (SS) R310 C356 R352 C354 J345 R317 C451 R351 C350 C364 Q305 C352 C351 L318 R362 (HD) L353 C375 C373...
  • Page 11 70GF-63E MOTHER UNIT PRINTED WIRING BOARD. 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 Q708 R735 JF47 Q712 R792 R754 R1036 CF701...

  • Page 12: Printed Wiring Boards

    70GF-63E DINAMIC FOCUS UNIT PRINTED WIRING BOARDS. R1601...
  • Page 13 70GF-63E CRT MODULE UNIT PRINTED WIRING BOARDS. FRONT A/V UNIT PRINTED WIRING BOARDS. Comp. Side Comp. Side K7273BM F7273BMN3 (RT) (MO) L1604 C1807 ESPA¥A J327 IC1801 (L2) R1821 Q912 R1832 (L3) R1820 C1814 C1825 D1809 D5405 JL20. C1811 R5428 R1841...
  • Page 14 70GF-63E POWER SWITCH UNIT PRINTED WIRING BOARDS. Component Side D6751 D6752 LP6701 S6704 S6705 S6702 S6703 R6701 OPC1 K7317BM IC6701 S6701 F7317BMN0 T3.15AH R6702 ESPA¥A F6701 Copper Side R6738 LP6701 D6751 C6702 C6705 C6704 C6703 C6715 R6701 S6701 R6739 S6705...
  • Page 15 70GF-63E F7240NF PWB PARTS ALLOCATION 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 174498 69596...
  • Page 16 70GF-63E F7240NF PWB PARTS ALLOCATION 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 266192 191770...

  • Page 17: Parts Allocation Tables

    70GF-63E F7240NF PWB PARTS ALLOCATION TABLES: (component 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 C530 155956 82804...
  • Page 18 70GF-63E F7240NF PWB PARTS ALLOCATION 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 Q607 275336 180848...
  • Page 19 70GF-63E F7240NF PWB PARTS ALLOCATION 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 R718 22606 106680...
  • Page 20 70GF-63E F7317NOA PWB PARTS F7317NOA PWB PARTS ALLOCATION TABLES: ALLOCATION TABLES: Comp. side: Copper side: Comp. side: Copper side: Ref No Xmm Ymm Ref No Xmm Ref No Xmm Ymm Ref No Xmm Ymm (CC) 60426 14224 C336 79730 34290...
  • Page 21 70GF-63E F7273N3 PWB PARTS ALLOCATION TABLES: Component side: Copper side: Ref No Xmm Ymm Ref No Xmm Ymm Ref No Xmm Ref No Xmm Ref No Xmm 88392 13970 R1623 81280 9144 C1610 76708 24892 R1615 80797 24638 R5434 61214 73660 4724 31978 R1623.

  • Page 22: Description Of Schematic Diagram

    70GF-63E DESCRIPTION OF SCHEMATIC DIAGRAM NOTE: SAFETY NOTE: 1. The unit of resistance «ohm»is omitted 1. DISCONNECT THE AC PLUG FROM THE AC (K=1000 ohms. M= Megaohm). OUTLET BEFORE REPLACING PARTS. 2. All resistors are 1/8 watt. unless otherwise noted.
  • Page 23 +10V R1802 R1803 Q902 R1822 2SC2412 R1804 (1/2W) R1821 Q903 2SA1037 (1/2W) Q901 R1820 2SC2412 C1822 R1831 R1833 R1835 22pF (1/2W) R1805 H.V. IC1801 27.5 KV C1802 IX1416 +10V C1808 C1809 C1810 R1807 R1808 R1801 R1832 R1817 VB76ERF3113*N (1/2W) Q905 R1809 2SC2412 R1806...
  • Page 24 (AA) (RC) (SW1) (SW2) (OPC) (ST) CM0672FC GN0341 GN0341 GN0341 GN0341 GN0341 LP1001 FB1002 LN0037 F701 C701 R703 C732 0.1uF R721 150K 10nF (250V) 150K C731 Q1003 10nF 2SC2412 LEDOPC R1037 C733 10nF R1036 C730 Q1002 10nF 2SC2412 D734 L701 DX0502 D731 F0108...
  • Page 25 330pF 22pF 22pF 47uF 100nF FB702 R2401 (10V) D711 C1017 LN0037 KZ0036CE D720 DX0539 100nF DX0587 BYT52M (HB) FB703 MR826 X2401 D728 R716 LN0037 +150V Q701 B0214 C4V7 R2402 TX0198 EX0544 20.48MHz R2408 S5F10N80 J701 D735 C720 R1008 PROT C712 Q2401 100nF 170V...
  • Page 26 L350 (CC) 3.3uH GN0241 (CF) +16V IC301 (HD) (SS) (FV) TDA7480 GN0341 GN0341 GN0241 R350 C351 C352 R352 C354 220uF 100nF 100pF (25V) C350 100nF R351 L352 P0278 R447 R448 C451 C432 10nF C353 (HB) (16V) C356 100nF 15nF C360 C361 560pF 470nF...
  • Page 27 Q K I T P 7 2 4 0 B M N F 20-10-2000 Hasta INFO 888 22-09-2000 Hasta INFO 850 FECHA 03-10-2000 02-10-2000 Hasta INFO 862 ESCALA SHARP 28-09-2000 Hasta INFO 858 70GF63E MODELO FECHA REVISIONES ELECTRONICA ESPANA S.A.
  • Page 28 70GF-63E FRONT AV UNIT SCHEMATIC DIAGRAM. JAKJ0047CEZZ J401 0015B R449 (1/4W) C428 C429 C336 10nF L318 3.3uH C337 L317 R317 10nF 3.3uH R316 (DF) (FV) GN0241 (HD) (SS) (CC) GN0341 GN0341 GN0241 CENTRAL SPEAKER UNIT SCHEMATIC DIAGRAM. (VS) D1303 GN0341...
  • Page 29 70GF-63E DINAMIC FOCUS UNIT SCHEMATIC DIAGRAM. (FF) 0505 0505 FOC IN T1602 NZ0575BM C1601 1000pF R-Z0001BM C1603 1000 pF R1601 180. (EW) 1/2W GN0241 D1601 EX0431BM Q1601 TIP32 D1602 POWER SWITCH UNIT SCHEMATIC DIAGRAM. M6701 RRMCU0228CEZZ S6702 S6703 S6704 S6705...

  • Page 30: Block Diagram

    70GF-63E BLOCK DIAGRAM CENTRAL SPEAKER UNIT +16V SF 201 IC 305 IC1302 CENTER TH 201 FM AUDIO -16V MSP 3410 D SF 202 TUNER IC 201 CVBS +16V TDA 4470 PERIPHERICS SF 203 AUDIO L/R IC 301 AUDIO OUT L...

  • Page 31: Part List

    70GF-63E PART LIST PARTS DESCRIPTION SN CODE EX CODE Q 0405 VS2SA1037KQ-1 TRT BC807 SMD S AA REPLACEMENT PARTS Q 0406 VS2SA1037KQ-1 TRT BC807 SMD S AA Replacement parts which have special safety characteristics are identi- Q 0408 VS2SC2412KQ-1 TRT 2SC2412 ROHM S AA fied in this manual.
  • Page 32 70GF-63E PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE L 0503 VP-CF3R3K0000 PEAK COIL 3.3UH 10% S AB D 0603 RH-DX0299BMZZ DIODE BY 228-20 S AC L 0601 VP-NM3R3MR19N COIL 3,3UH SMD S AA D 0604...
  • Page 33 70GF-63E PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 0333 VCCCTV1HH470J CERAM C 47PF 50V 2125SMD S AA C 0507 VCKYTV1HB472K CERAM C 4,7NF 50V 2125SMD S AA C 0334 VCCCTV1HH5R0C CERAM C 5PF 50V 2125SMD...
  • Page 34 70GF-63E PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE C 0801 VCKYTV1HF104Z CERAM C 100NF 50V 2125SMD S AA R 0243 VRS-TV1JD104J 2125 100KOHM 5% 1/10W SMD S AA C 0802 VCEAGA1HW106M ELEC C 10UF 20% 50V...
  • Page 35 70GF-63E PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 0426 VRD-RA2BE750J RES 75 OHM 5% 1/8W S AA R 0556 VRS-TV1JD103J 2125 10KOHM 5% 1/10W SMD S AA R 0427 VRS-TV1JD820J 2125 82 OHM 5% 1/10W SMD...
  • Page 36 70GF-63E PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 2412 VRS-TV1JD101J 2125 100 OHM 5% 1/10W SMD S AA R 0771 VRS-VV3AB474J MET OX RES 470KOHM 5% 1W S AA RA 0611 VRS-VV3DB102J MET OX RES 1KOHM 5% 2W...
  • Page 37 70GF-63E PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE J 0286 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD S AA C 1613 VCEAGA1EW227M ELEC C 220UF 20% 25V S AA J 0289 VRS-TV1JD000J 2125 0 OHM 5% 1/10W SMD...
  • Page 38 70GF-63E PARTS DESCRIPTION PARTS DESCRIPTION SN CODE EX CODE SN CODE EX CODE R 1307 VRS-TV1JD153J 2125 15KOHM 5% 1/10W SMD S AA R 1841 VRD-RA2BE220J RES 22 OHM 5% 1/8W S AA R 1843 VRS-TV1JD220J 2125 22 OHM 5% 1/10W SMD...
  • Page 39 70GF-63E PARTS DESCRIPTION SN CODE EX CODE CAPACITORS C 6715 VCKYTV1CF105Z CERAM C 1UF 16V 2125SMD S AA MISCELLANEOUS PARTS F 6701 QFS-C3226CEZZ FUSE T3.15AH 250V S AC LP 6701 RLAMP0001BMZZ NEON TYPE 4/30HB NEOTRONIC S AB M 6701 RRMCU0203BMZZ...
  • Page 40 37GQ-20FP RECYCLED PAPER PRINTED BY:...

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