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Sharp 32F631 Service Manual
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Sharp 32F631 Service Manual

Sharp 32F631 Service Manual

Service manual
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32F630
In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its
original condition and only parts identical to those specified should be used.
» ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
» LOCATION OF USER'S CONTROL ..................................................................................................... 4
» INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 6
» SERVICE ADJUSTMENT ................................................................................................................... 10
» CHASSIS LAYOUT ............................................................................................................................. 13
» BLOCK DIAGRAM .............................................................................................................................. 15
» DESCRIPTION OF SCHEMATIC DIAGRAMS & WAVEFORMS ........................................................ 17
» SCHEMATIC DIAGRAMS ................................................................................................................... 18
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 34
» REPLACEMENT PARTS LIST ............................................................................................................ 39
» PACKING OF THE SET ...................................................................................................................... 49
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 160W
PICTURE SIZE ........................................... 3074 cm
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 45.75 MHz
Sound IF Carrier Frequency ...................................... 41.25 MHz
Color Sub-Carrier Frequency .................................... 42.17 MHz
AUDIO POWER
OUTPUT RATING .............. 5.0W + 5.0W (at 10% distortion and

SHARP CORPORATION

1st Edition

SERVICE MANUAL

32F631
MODELS
CONTENTS
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ........................................................ 12 x 6 cm oval (2 pcs.)
2
(476sq inch)
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
(Nominal)
Dual CH Operate)
Specifications are subject to change without
prior notice.
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
COLOR TELEVISION
Chassis No. GB-3U
32F630
32F631
(EIA, Channel Plan U.S.A.)
32F630
32F631
S13W527F630//
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Summary of Contents for Sharp 32F631

  • Page 1: Table Of Contents

    32F630 32F631 1st Edition SERVICE MANUAL S13W527F630// COLOR TELEVISION Chassis No. GB-3U 32F630 32F630 32F631 32F631 MODELS In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its original condition and only parts identical to those specified should be used.

  • Page 2: Important Service Safety Precaution

    32F630 32F631 IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING X-RADIATION AND HIGH VOLTAGE LIMITS 1. For continued safety, no modification of any circuit 1.

  • Page 3: Safety Notice

    32F630 32F631 IMPORTANT SERVICE SAFETY PRECAUTION (Continued) BEFORE RETURNING THE RECEIVER Connect the resistor connection to all exposed metal parts having a return to the chassis (antenna, metal (Fire & Shock Hazard) cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop Before returning the receiver to the user, perform across the resistor.

  • Page 4: Location Of User's Control

    32F630 32F631 LOCATION OF USER'S CONTROL(32F630) Front Panel POWER INSIDE DOOR Press Press again Off. VIDEO/AUDIO IN 2 TERMINALS REMOTE CONTROL SENSOR CHANNEL UP/DOWN MENU ( ) Selects next higher channel. Press Accesses MAIN MENU. " ( ) Selects next lower channel.
  • Page 5 32F630 32F631 LOCATION OF USER'S CONTROL(32F631) Front Panel VIDEO/AUDIO IN 2 POWER POWER MENU — VOL TERMINALS Press PULL-OPEN Press again Off. (INSIDE DOOR) POWER MENU — VOL + CHANNEL UP/DOWN REMOTE CONTROL ( ) Selects next higher channel. SENSOR ( ) Selects next lower channel.

  • Page 6: Installation And Service Instructions

    32F630 32F631 INSTALLATION AND SERVICE INSTRUCTIONS Note: (1) When performing any adjustments to resistor controls and transformers use non-metallic screwdrivers or TV alignment tools. (2) Before performing adjustments, the TV set must be on at least 15 minutes. HIGH VOLTAGE CHECK CIRCUIT PROTECTION The receiver is protected by a 4.0A fuse (F701),...
  • Page 7 32F630 32F631 For adjustments of this model, the bus data is converted to various analog signals by the D/A converter circuit. Note: There are still a few analog adjustments in this series such as focus and master screen voltage. Follow the steps below whenever the service adjustment is required. See "Table-B" to determine, if serv- ice adjustments are required.
  • Page 8 TINT-S 0-127 (00h-7Fh) 62 (3Eh) Component Input C-TRAP 0-1 (00h-01h) 0 (00h) AUTO FRESH 0-1 (00h-01h) 0 (00h) SHARP P F 0-1 (00h-01h) 1 (01h) CD MATRIX 0-3 (00h-03h) 2 (02h) B-Y ATT 0-1 (00h-01h) 0 (00h) R-Y ATT 0-1 (00h-01h)
  • Page 9 32F630 32F631 DATA NOTES FIXED VALUE SERVICE ADJUSTMENT ITEM (HEX) NUMBER RANGE INITIAL VALUE EW CORNER BOTTOM 19-81 (13h-51h) 50 (32h) Offset toward D13. NOISE DET LEVEL 0-3 (00h-03h) 0 (00h) V CENTERING 0-63 (00-3Fh) 36 (24h) V-AGC 0-1 (00h-01h)

  • Page 10: Service Adjustment

    32F630 32F631 Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will ADJUSTMENT PART REPLACED NOTES NECESSARY UNNECESSARY IC2001 Data is stored in IC2101. The adjustment is needed to compensate for characteristics of parts...
  • Page 11 32F630 32F631 Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will ADJUSTMENT PART REPLACED NOTES NECESSARY UNNECESSARY IC2001 Data is stored in IC2101. The adjustment is needed to compensate for characteristics of parts...
  • Page 12 32F630 32F631 Sub-Tint Adjustment Note: Aging for 10 min before adjustment. After the adjustment of V-center and V-size, re- 1. Receive the half color bar signal. adjustment for this V-line. RF INPUT (TU51) 2. Get into Y-Mute by R/C, or by setting the "V11" bus Vertical Phase Adjustment data to "01".

  • Page 13: Mts Adjustment

    32F630 32F631 Ë MTS ADJUSTMENT MTS Level Adjustment 1. Set the sound volume above 1. Monoral signal: 400Hz, 100% modulation 2. Confirm "EX4" data is "5Ah". 3. Vary the "M01" bus data until the voltage to pin (39) of IC3001 to become the value as stated below.

  • Page 14: Chassis Layout

    32F630 32F631 CHASSIS LAYOUT(32F630)
  • Page 15 32F630 32F631 CHASSIS LAYOUT(32F631)

  • Page 16: Block Diagram

    32F630 32F631 BLOCK DIAGRAM(32F630)
  • Page 17 32F630 32F631 BLOCK DIAGRAM(32F631)

  • Page 18: Schematic Diagrams

    32F630 32F631 DESCRIPTION OF SCHEMATIC DIAGRAM WAVEFORM MEASUREMENT CONDITIONS: NOTES: 1. Photographs taken on a standard gated color bar 1. The unit of resistance "ohm" is omitted. signal, the tint setting adjusted for proper color. The (K=k =1000 , M=M ) wave shapes at the red, green and blue cathodes of 2.

  • Page 19: Schematic Diagram

    32F630 32F630 32F631 32F631 SCHEMATIC DIAGRAM MAIN-1 UNIT (32F630)
  • Page 20 32F630 32F630 32F631 32F631 MAIN-1 UNIT (32F631)
  • Page 21 32F630 32F630 32F631 32F631 MAIN-2 UNIT (32F630)
  • Page 22 32F630 32F630 32F631 32F631 MAIN-2 UNIT (32F631)
  • Page 23 32F630 32F630 32F631 32F631 3-LINE Y/C UNIT...
  • Page 24 32F630 32F630 32F631 32F631 CONTROL UNIT(32F631 ONLY)
  • Page 25 32F630 32F630 32F631 32F631 DF MODULE UNIT...

  • Page 26: Crt Unit

    32F630 32F631 CRT UNIT...
  • Page 27 32F630 32F631 AUDIO UNIT...

  • Page 28: Printed Wiring Board Assemblies

    32F630 32F631 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Components Side)
  • Page 29 32F630 32F631 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 30 32F630 32F631 PWB-B: CRT Unit (Wiring Side) PWB-C: 3-LINE Y/C Unit (Wiring Side) PWB-C: 3-LINE Y/C Unit (Chip Parts Side)
  • Page 31 32F630 32F631 PWB-H: DF MODULE Unit (Wiring Side)
  • Page 32 32F630 32F631 PWB-F: CONTROL Unit(32F631 ONLY) (Component Side) PWB-F: CONTROL Unit(32F631 ONLY) (Wiring Side) PWB-S: AUDIO Unit (Wiring Side) PWB-S: AUDIO Unit (Chip Parts Side)

  • Page 33: Replacement Parts List

    X I.C. ' å IC751 VHiPQ09RD11-1 X PQ09RD11 IC900 VHiCXA2089Q-2Y X CXA2089Q-6T in USA: Contact your nearest SHARP Parts Distributor to order. For IC1403 VHiPQ05RD11-1 X PQ05RD11 location of SHARP Parts Distributor, Please call Toll-Free; 1- IC2001 RH-iXA418WJZZQ X TMP88CS38BFG 800-BE-SHARP...
  • Page 34 32F630 32F631 Ref. No. Part No. Description Code Ref. No. Part No. Description Code TRANSFORMERS PWB-A: DUNTKB567WEW2(32F630) å T601 RTRNZ0057PEZZ X Transformer DUNTKB567WEX8(32F631) ' å T602 RTRNFA041WJZZ X H-Volt Transformer å T702 RTRNWA072WJZZ X Transformer MAIN UNIT (Continued) CAPACITORS D454 RH-EX0628GEZZ X Zener Diode, 8.2V...
  • Page 35 32F630 32F631 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKB567WEW2(32F630) C805 VCEA0A0JW108M+ X 1000 6.3V Electrolytic C806 VCKYCY1CF104Z X 0.1 Ceramic DUNTKB567WEX8(32F631) C807 VCKYCY1CF104Z X 0.1 Ceramic C808 VCKYCY1CF104Z X 0.1 Ceramic MAIN UNIT (Continued) C809 VCKYCY1CF104Z X 0.1...
  • Page 36 32F630 32F631 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKB567WEW2(32F630) R363 VRS-CY1JF182J X 1.8k 1/16W Metal Oxide R364 VRD-RA2BE152J X 1.5k 1/8W Carbon DUNTKB567WEX8(32F631) R365 VRS-CY1JF152J X 1.5k 1/16W Metal Oxide R367 VRN-RL3DB1R2J+ X 1.2 Metal Film å...
  • Page 37 32F630 32F631 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKB567WEW2(32F630) R801 VRS-CY1JF333J X 33k 1/16W Metal Oxide R802 VRS-CY1JF471J X 470 1/16W Metal Oxide DUNTKB567WEX8(32F631) R803 VRS-CY1JF000J 1/16W Metal Oxide R805 VRS-CY1JF682J X 6.8k 1/16W Metal Oxide...
  • Page 38 Carbon P703 QPLGN0260CEZZ X Plug, 2Pin(M1-2) R2404 VRD-RA2BE101J X 100 1/8W Carbon P1301 QPLGN0661CEZZA X Plug, 6Pin(EJ)(32F631) R2501 VRS-CY1JF183J X 18k 1/16W Metal Oxide P2003 QPLGN0561CEZZA X Plug, 5Pin(KA)(32F631) R2502 VRS-CY1JF183J X 18k 1/16W Metal Oxide P2401 QPLGN0661CEZZA X Plug, 6Pin...
  • Page 39 32F630 32F631 Ref. No. Part No. Description Code Ref. No. Part No. Description Code R1520 VRD-RA2BE683J X 68k 1/8W Carbon PWB-B: DUNTKA527WEV9 R1521 VRD-RA2BE122J X 1.2k 1/8W Carbon CRT UNIT (Continued) R1525 VRD-RA2EE560J X 56 1/4W Carbon R1526 VRD-RA2EE560J X 56...
  • Page 40 C1685 VCFYFA1HA474J+ X 0.47 Mylar C1686 VCEA0A1VW108M+X 1000 35V Electrolytic C1687 VCEA0A1EW107M+X 100 Electrolytic PWB-F: DUNTKB207WEA5 C1695 VCFYFA1HA224J+ X 0.22 Mylar CONTROL UNIT(32F631 ONLY) RESISTORS R1610 VRS-VV3DB103J X 10k 2W Metal Oxide R1627 VRS-KT3LB122J X 1.2k 3W Metal Oxide CAPACITOR...

  • Page 41: Miscellaneous Parts

    R1686 VRD-RA2BE103J X 10k 1/8W Carbon SP1, SP2 VSP1206PB708A X Speake(32F630) R1687 VRD-RA2BE103J X 10k 1/8W Carbon QCNW-A475WJZZ X Connecting Cord(32F631) R1688 VRD-RA2BE473J X 47k 1/8W Carbon QCNW-B174WJZZ X Connecting Cord(32F630) R1689 VRD-RA2BE823J X 82k 1/8W Carbon QCNW-B175WJZZ X Connecting Cord R1690 VRD-RA2BE822J X 8.2k 1/8W...

  • Page 42: Cabinet Parts

    32F630 32F631 Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET PARTS LOCATION CABINET PARTS 32F630 CCABAA208WEH0 X Front Cabinet Ass'y 1A-1 Not Available - Front Cabinet 1A 1A-1 1A-2 HBDGB3141CESA X Badge 1A-3 GCOVAA343WJSA X Cover...

  • Page 43: Packing Of The Set

    32F630 32F631 PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C Unit Batteries Polyethylene Sheet Buffer Material FRONT Packing Case Use tape to fix the top side of packing case. REAR Use 12 staples to fix the bottom side of packing case.
  • Page 44 32F630 32F631 COPYRIGHT © 2003 BY SHARP CORPORATION ALL RIGHTS RESERVED. 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.

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