Sharp 32SF670 Service Manual Download

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32SF670

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.

SHARP CORPORATION

AV Systems Group

CS Promotion Center

Yaita, Tochigi 329-2193, Japan

TQ2170-S

Apr. 2007 Printed in Japan

SA. KG

Summary of Contents for 32SF670

Page 1: ...m oval 2 pcs VOICE COIL IMPEDANCE 8 ohm at 400 Hz ANTENNA INPUT IMPEDANCE VHF UHF 75 ohm Unbalanced TUNING RANGES VHF Channels 2 thru 13 UHF Channels 14 thru 69 CATV Channels 1 thru 125 Analog CATV Channels 1 thru 135 Digital Digital Terrestrial Broadcast VHF UHF 2 thru 69 EIA Channel Plan U S A POWER INPUT 120V AC 60 Hz POWER RATING 150W PICTURE SIZE 3074 cm2 476sq inch CONVERGENCE Magnetic SWEEP...

Page 2: ...igh voltage with a meter to be certain that the high voltage does not exceed the specified value and that it is regulating correctly 5 Do not use a picture tube other than that specified or make unrecommended circuit modifications to the high voltage circuitry 6 When trouble shooting and taking test measurements on a receiver with excessive high voltage avoid being unnecessarily close to the recei...

Page 3: ...ment covers or shields isolation resistor capacity networks mechanical insulators etc 3 To be sure that no shock hazard exists check for leakage current in the following manner Plug the AC cord directly into a 120 volt AC outlet Do not use an isolation transformer for this test Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by a 0 15µF capacitor in series with all exposed meta...

Page 4: ... higher than the conventional lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contains mo...

Page 5: ...ed Caption service type DOT Sets the channel PERSONAL PREFERENCE With the Personal Preference buttons you can program your favorite programs by using the 4 categories A B C and D The channels can be accessed quickly by using these buttons DISPLAY To display receiving channel information MUTE Press Mutes sound Press again Restores sound FLASHBACK Returns to previous channel VOLUME UP DOWN VOL k Inc...

Page 6: ...on of the horizontal oscillator does not stop in step 5 the circuit must be repaired before the set is returned to the customer HIGH VOLTAGE CHECK High voltage is not adjustable but must be checked to verify that the receiver is operating within safe and efficient design limitations as specified checks should be as follows 1 Connect an accurate high voltage meter between ground and anode of pictur...

Page 7: ...it serv ice mode To enter the service mode manually just press and hold the Vol down and Ch up buttons at the same time plug the AC cord into a wall socket Now the TV set is switched on and enters the service mode To exit the service mode turn the television off by pressing the power button 4 Donau and Main Micon version Check 1 After television power on press test key 0x31 and the following scree...

Page 8: ...E W CORNER 4 3 ADJ E W CORNER 1Ch D5 D0 0 63 E W CORNER DTV D11 V SHIFT 16 9 FIX V SHIFT 13h D2 D0 0 7 0 D12 H SHIFT 16 9 ADJ H PHASE 16h D4 D0 0 31 H PHASE DTV D13 V POS 16 9 ADJ µ con 0 255 V PHASE DTV D14 V SIZE 16 9 ADJ V SIZE 11h D5 D0 0 63 V SIZE DTV D15 H SIZE 16 9 ADJ H SIZE 1Bh D5 D0 0 63 H SIZE DTV D16 VS CORRECT 16 9 ADJ V S CORRECTION 19h D5 D0 0 63 VS CORRECT DTV D17 V LINEARITY 16 9 ...

Page 9: ... SL AV FIX S SLICE DN 14h D3 D2 24h D6 0 7 5 D33 SL SAV FIX S SLICE DN 14h D3 D2 24h D6 0 7 5 D34 SL YUV FIX S SLICE DN 14h D3 D2 24h D6 0 7 5 D35 SL DTV FIX S SLICE DN 14h D3 D2 24h D6 0 7 5 D36 VD DYTV FIX Vsync Det 27h D3 16h D7 0 3 0 D37 VD AV FIX Vsync Det 27h D3 16h D7 0 3 0 D38 AS TV FIX Auto Slice 16h D6 0 1 1 D39 AS AV FIX Auto Slice 16h D6 0 1 1 D40 AS SAV FIX Auto Slice 16h D6 0 1 1 D41...

Page 10: ... CONTRAST 05h D6 D0 0 127 PIC DTV V12 SUB BB TINT YUV ADJ BASEBAND TINT 17h D6 D0 0 127 TINT DTV V13 SUB COL YUV ADJ COLOR 08h D6 D0 0 127 COLOR DTV V14 SUB BRI YUV ADJ BRIGHT 0Ah D7 D0 0 255 PIC DTV V15 SUB SHP YUV FIX VIDEO TONE 04h D5 D0 0 63 37 V16 R CUT YUV ADJ R CUTOFF 0Dh D7 D0 0 255 WHITE DTV V17 G CUT YUV ADJ G CUTOFF 0Eh D7 D0 0 255 WHITE DTV V18 B CUT YUV ADJ B CUTOFF 0Fh D7 D0 0 255 WH...

Page 11: ...L FINE YUV FIX CbDL FINE ADJ 21h D1 D0 0 3 0 V35 CB P YUV FIX CB PEDESTAL ADJ 29h D3 D0 0 15 7 V36 CR P YUV FIX CR PEDESTAL ADJ 28h D3 D0 0 15 7 V37 C ANGLE YUV FIX C ANGLE 95 15h D1 0 1 0 V38 SHPG DTV FIX V TONE 02h D3 0 1 1 V39 YDL DTV FIX Y Delay 06h D2 D0 0 7 1 V40 CrDL FINE DTV FIX CrDL FINE ADJ 21h D3 D2 0 3 0 V41 CbDL FINE DTV FIX CbDL FINE ADJ 21h D1 D0 0 3 0 V42 CB P DTV FIX CB PEDESTAL A...

Page 12: ...AV FIX VIDEO TONE OFFSET 04h D6 D0 32 32 0 V60 YDL SAV FIX Y Delay 06h D2 D0 0 7 1 V61 BRIGHT OFF FAV FIX BRIGHT OFFSET 0Ah D7 D0 63 63 7 V62 CON OFF FAV FIX CONTRAST OFFSET 05h D6 D0 32 32 15 V63 TINT OFF FAV FIX TINT OFFSET 07h D6 D0 32 32 2 V64 COL OFF FAV FIX COLOR OFFSET 08h D6 D0 32 32 1 V65 SHP OFF FAV FIX VIDEO TONE OFFSET 04h D6 D0 32 32 0 V66 BRIGHT OFF AV FIX BRIGHT OFFSET 0Ah D7 D0 63 ...

Page 13: ...ADJ RF Delay 00h D6 D0 0 127 AGC DTV V83 VIF AGC FIX VIF AGC Clip 27h D1 0 1 0 V84 VIF G FIX VIF GAIN 06h D7 D5 0 7 7 V85 V AGC FIX V AGC 1Dh D6 0 1 0 V86 VIF VCO ADJ VIF VCO 01h D5 D0 0 63 VIF VCO DTV V87 H VCO ADJ H VCO 10h D2 D0 0 7 H VCO DTV V88 BS FIX BS OFF 02h D1 0 1 0 V89 BS GAIN FIX BLACK STRETCH GAIN 15h D2 0 1 0 V90 BS D FIX BS DISCHARGE 14h D7 D6 0 3 2 V91 BS C FIX BS CHARGE 14h D5 D4 ...

Page 14: ...IX SIF BPF WIDE 2Bh D5 D4 0 3 1 V109 E SAVE FIX CONTRAST OFFSET 05h D6 D0 0 63 30 V110 MONITORING FIX Intelligent MON 1Ah D6 12h D7 D4 0 31 21 V111 OFF ADJ TINT YUV FIX BB Tint Control 17h D6 D0 32 32 0 V112 OFF ADJ TINT DTV FIX BB Tint Control 17h D6 D0 32 32 0 V113 CC POS ADJ µ con 0 255 CC DTV V114 CC LEVEL FIX µ con 0 31 0 V115 OSD POS FIX µ con 0 31 0 V116 DIGITAL POW OFF TIM FIX µ con 0 255 ...

Page 15: ...IN 1 O 14 COMB 0 O 15 AUTO INPUT 1 O 16 FLAT 1 O 17 WHITE OUT 0 O 18 CURSOR R C 1 O 19 EDIT KEY R C 1 no Item DATA REG Range Remark Revision Change M01 MTS ATT ADJ ATT 00h D3 D0 0 15 MS DTV M02 MTS VCO FIX VCO 01h D5 D0 0 63 32 M03 MTS FILT FIX FILTER 02h D5 D0 0 63 28 M04 MTS WBND ADJ WIDEBAND 04h D5 D0 0 63 SEPA DTV M05 MTS SPEC ADJ SPECTRAL 03h D5 D0 0 63 SEPA DTV M06 SUB VOL FIX VOL 07h 08h D5...

Page 16: ...ts V06 red V07 green and V08 blue to obtain a good grey scale with normal whites at low brightness level 6 Select the service adjustment V95 and reset data to 00 Select the service adjustment V03 and reset data to obtain normal color level 7 For component input the data value of V16 red V17 green and V18 blue is adjusted to follow the data value of V06 V07 and V08 respectively 8 For digital RF inp...

Page 17: ...vice adjustment V03 4 Adjust V03 data value to obtain a normal color level Component Input 5 Enter the service mode and select service adjustment V13 6 Adjust V13 data value to obtain a normal color level Digital RF Input TU1101 7 Input data of V23 V03 50 steps Focus Adjustment 1 Receive a good local channel 2 Adjust the FOCUS VR of the flyback transformer to make the image as fine as possible C C...

Page 18: ...ORMAT 4 3 2 Enter the service mode and select the service adjustment D02 3 Adjust D02 data value so that picture is centered SCREEN FORMAT 16 9 4 Input data of D12 same as D02 data Horizontal Size Adjustment 1 Receive a good local channel SCREEN FORMAT 4 3 2 Enter the service mode and select the service adjustment D05 for H size 3 Adjust the D05 bus data to get the proper H size SCREEN FORMAT 16 9...

Page 19: ...19 32SF670 M E M O ...

Page 20: ...20 32SF670 CHASSIS LAYOUT ...

Page 21: ...21 32SF670 BLOCK DIAGRAM ...

Page 22: ... i n 4 0 K Z o o m 4 0 K T r i g g e r M o d e A U T O T y p e E D G E C H 2 D e l a y 0 0 n s H o l d o f f M I N I M U M T r a c e 2 P P 6 5 6 0 V S t o p p e d 2 0 0 7 0 2 0 5 1 6 1 2 2 6 2 0 u s d i v 2 0 u s d i v N O R M 2 0 0 M S s C H 2 2 V D C 1 0 1 F i l t e r S m o o t h i n g O N B W F U L L O f f s e t C H 1 0 0 0 V C H 2 0 0 0 V C H 3 0 V C H 4 0 0 V R e c o r d L e n g t h M a i n 4...

Page 23: ...23 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 SCHEMATIC DIAGRAM CRT Unit ...

Page 24: ...24 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 25: ...25 17 16 19 18 15 14 13 12 11 10 32SF670 ...

Page 26: ...26 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 27: ...27 17 16 19 18 15 14 13 12 11 10 32SF670 ...

Page 28: ...28 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 SCHEMATIC DIAGRAM 2 LINE Y C Unit ...

Page 29: ...29 17 16 19 18 15 14 13 12 11 10 32SF670 ...

Page 30: ...30 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 SCHEMATIC DIAGRAM CONTROL Unit ...

Page 31: ...31 17 16 19 18 15 14 13 12 11 10 32SF670 ...

Page 32: ...32 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Components Side ...

Page 33: ...33 17 16 19 18 15 14 13 12 11 10 32SF670 ...

Page 34: ...34 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 PWB A MAIN Unit Components side ...

Page 35: ...35 17 16 19 18 15 14 13 12 11 10 32SF670 ...

Page 36: ...36 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 PWB D 2 LINE Y C Unit Wiring Side PWB B CRT Unit Wiring Side PWB D 2 LINE Y C Unit Chip Parts Side ...

Page 37: ...37 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 32SF670 PWB F CONTROL Unit Wiring Side ...

Page 38: ...58B 1Y J HA17358B AE å IC700 VHISTRW6535 1 X STR W6535A LF NO 2003 AM å IC702 RH FXA003WJZZ J PC123Y82 AD IC751 VHIPQ090DNA 1Y J PQ090DNA1ZPH AE IC752 VHIBA50B0WP 1Y J BA50BC0WFP E2 AF IC801 RH IXB945WJQZQ X AU IC900 VHICXA2089Q 2Y X CXA2089Q T6 AM IC901 VHIBH3544F 1Y J BH3544F E2 AE IC1101 VHIPQ033DNA 1Y J PQ033DNA1ZPH AE IC1102 VHIBA50B0WP 1Y J BA50BC0WFP E2 AF IC1103 VHITL52055D 1Y X TL52055DR ...

Page 39: ...50V Electrolytic AB C674 VCKYCY1HB391KY J 390p 50V Ceramic AA C675 VCEA0A1HW106M J 10 50V Electrolytic AB C677 RC FZA178WJZZ J 4 7 63V AG çå C678 VCQPPC2GB473J J 0 047 400V Film AB DIODES D301 RH EX0611GEZZY J Zener Diode MTZJT 725 1A AA D302 VHDHSS4148 1Y J HSS4148TA E AA D303 VHDHSS4148 1Y J HSS4148TA E AA D454 RH EX0628GEZZY J Zener Diode MTZJT 728 2C AC D455 VHDHSS4148 1Y J HSS4148TA E AA D501...

Page 40: ... C2501 VCKYCY1HB102KY J 1000p 50V Ceramic AA C2603 VCCCCY1HH101JY J 100p 50V Ceramic AA C3001 VCEA0A1HW475M J 4 7 50V Electrolytic AB C3002 VCKYCY1HB562KY J 5600p 50V Ceramic AA C681 VCFPFA2EB394J J 0 39 250V Metalized Polypro Film AD C682 VCKYPA2HB102K J 1000p 500V Ceramic AA C685 VCKYCY1CB333KY J 0 033 16V Ceramic AA C691 VCQYTA1HM682J J 6800p 50V Mylar AB C692 VCFYFA1HA104J J 0 1 50V AA å C700 ...

Page 41: ...6W Metal Oxide AA å R523 VRN RL3DB1R0J J 1 2W Metal Film AB å R524 VRS RG3AB561J X 560 1W Metal Oxide AB R530 VRS CY1JF104FY J 100k 1 16W Metal Oxide AA R531 VRS CY1JF332FY J 3 3k 1 16W Metal Oxide AA C3003 VCKYCY1EB123KY J 0 012 25V Ceramic AA C3004 VCEA0A1HW105M J 1 50V Electrolytic AB C3005 VCEA0A1HW475M J 4 7 50V Electrolytic AB C3006 VCEA0A1HW106M J 10 50V Electrolytic AB C3007 VCEA0A1HW475M ...

Page 42: ...RS CY1JF333JY J 33k 1 16W Metal Oxide AA R940 VRS CY1JF8R2JY J 8 2 1 16W Metal Oxide AA R941 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R942 VRS CY1JF223JY J 22k 1 16W Metal Oxide AA R532 VRS CY1JF473JY J 47k 1 16W Metal Oxide AA R533 VRS CY1JF103FY J 10k 1 16W Metal Oxide AA R534 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R535 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R536 VRS CY1JF103JY J 10k 1 16W ...

Page 43: ...16W Metal Oxide AA R946 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R947 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R948 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R949 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R950 VRS CY1JF560JY J 56 1 16W Metal Oxide AA R951 VRS CY1JF680JY J 68 1 16W Metal Oxide AA R952 VRS CY1JF333JY J 33k 1 16W Metal Oxide AA R953 VRD RA2BE220JY J 22 1 8W Carbon AA R954 VRD RA2BE...

Page 44: ...CFYFA1HA224J J 0 22 50V Electrolytic AB C854 VCEA0A1CW227M J 220 16V Electrolytic AC C855 VCEA0A2EW106M J 10 250V Electrolytic AD C856 VCEA0A1HW106M J 10 50V Electrolytic AB C1501 VCEA0A1CW476M J 47 16V Electrolytic AB C1506 VCKYPA1HF103Z J 0 01 50V Ceramic AA C1508 VCKYPA2HB472K J 4700p 500V Ceramic AB C1509 VCKYPA1HB472K J 4700p 50V Ceramic AB C1510 VCKYPA1HF103Z J 0 01 50V Ceramic AA C1511 VCKY...

Page 45: ...19 VCCCCY1HH3R0CYJ 3p 50V Ceramic AA C1420 VCCCCY1HH270JY J 27p 50V Ceramic AA C1423 VCFYFA1HA474J J 0 47 50V Mylar AC C1424 VCEA0A1CW107M J 100 16V Electrolytic AC C1429 VCEA0A1CW107M J 100 16V Electrolytic AC C1430 VCKYCY1CB104KY J 0 1 16V Ceramic AB C1431 VCKYCY1HB103KY J 0 01 50V Ceramic AA C1432 VCKYCY1HB103KY J 0 01 50V Ceramic AA RESISTORS R1401 VRS CY1JF821JY J 820 1 16W Metal Oxide AA R14...

Page 46: ... Cover AD 1 7 HINDPC204WJSA X Indication Plate AE 1 8 JBTN 0128GJKA X Control Button AF 1 9 JBTN 0129GJKA X Power Button AD 2 GCABBA707WJKA X Rear Cabinet Assembly BK 2 1 Not Available Rear Cabinet CABINET PARTS MISCELLANEOUS PARTS SP1 VSP1206PB708A X Speaker L AL SP2 VSP1206PB708A X Speaker R AL QCNW A475WJZZ X Connecting Cord AE QCNW B176WJZZ X Connecting Cord AE QCNW B240WJZZ X Connecting Cord ...

Page 47: ...47 32SF670 PACKING OF THE SET FRONT S4 S3 X1 X2 S2 S1 REAR Use tape to fix the top side of packing case Use 12 staples to fix the bottom side of packing case ...

Page 48: ...ced 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 SHARP CORPORATION AV Systems Group CS Promotion Center Yaita Tochigi 329 2193 Japan TQ2170 S Apr 2007 Printed in Japan SA KG ...

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