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Sharp 32U-F500 Service Manual
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Sharp 32U-F500 Service Manual

Sharp 32U-F500 Service Manual

Chassis no. ms-b
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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
» SCHEMATIC DIAGRAMS ................................................................................................................... 17
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 38
» REPLACEMENT PARTS LIST ............................................................................................................ 45
» PACKING OF THE SET ...................................................................................................................... 59
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 166W
PICTURE SIZE .......................................... 3,074 cm
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ...................................................... Ex-D Gun 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
SERVICE MANUAL
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. MS-B
32U-F500
32U-F810
(EIA, Channel Plan U.S.A.)
32U-F500
32U-F810
S32G832U-F500
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Summary of Contents for Sharp 32U-F500

  • Page 1: Table Of Contents

    32U-F500 32U-F810 SERVICE MANUAL S32G832U-F500 COLOR TELEVISION Chassis No. MS-B 32U-F500 32U-F810 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

    32U-F500 32U-F810 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 32U-F500 32U-F810 IMPORTANT SERVICE SAFETY PRECAUTION (Continued) • Connect the resistor connection to all exposed metal BEFORE RETURNING THE RECEIVER 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...

  • Page 4: Location Of User's Control

    32U-F500 32U-F810 LOCATION OF USER'S CONTROL (32U-F500) Front Panel VIDEO/AUDIO IN 2 POWER Press → On. TERMINALS POWER MENU – VOL + PULL-OPEN Press again → Off. (INSIDE DOOR) POWER MENU – VOL + CHANNEL UP/DOWN SENSOR AREA FOR ( ' ) Selects next higher REMOTE CONTROL channel.
  • Page 5 32U-F500 32U-F810 LOCATION OF USER'S CONTROL (32U-F810) Front Panel VIDEO/AUDIO IN 2 POWER Press → On. POWER MENU – VOL + TERMINALS PULL-OPEN Press again → Off. AV-2 IN VIDEO L-AUDIO-R (MONO) POWER MENU – VOL + CHANNEL UP/DOWN SENSOR AREA FOR...

  • Page 6: Installation And Service Instructions

    32U-F500 32U-F810 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 32U-F500 32U-F810 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 32U-F500 32U-F810 DATA SERVICE ADJUSTMENT ITEM ADJUSTMENT CONTENTS NUMBER RANGE INITIAL VALUE PICTURE 3(03h) 0-15(00h-0Fh) TINT 62(3Eh) 0-127(00h-7Fh) COLOR 45(2Dh) 0-127(00h-7Fh) SCREEN 16(10h) 0-127(00h-7Fh) Must be set to “10” 0-31(00h-1Fh) BRIGHT 77(4Dh) 0-127(00h-7Fh) R CUT-OFF 64(40h) 64-255(40h-FFh) G CUT-OFF 64(40h)
  • Page 9 Must be set to “00” Think chip-Slice LEVEL 54(36h) 0-255(00h-FFh) Must be set to “36” OPTION1 247(F7h) 0-255(00h-FFh) Must be set to “F7” (32U-F810), “F5” (32U-F500) OPTION2 249(F9h) 0-255(00h-FFh) Must be set to “F9” (32U-F810), “18” (32U-F500) OPTION3 15(0Fh) 0-255(00h-FFh) Must be set to “0F”...

  • Page 10: Service Adjustment

    32U-F500 32U-F810 SERVICE ADJUSTMENT RF AGC Adjustment Sub-picture and Sub-Bright Adjustments 1. Receive a good local channel. 1. Receive the window pattern signal. • RF INPUT (TU51) 2. Enter the service mode and select the service adjustment "R01". 2. Get into service adjustment data "V01" and "V05" and 3.
  • Page 11 V-line. SERVICE ADJUST DATA(Hex) Vertical Phase Adjustment POSITION ITEM 32U-F810 32U-F500 OPTION1 1. Enter the service mode and select the service OPTION2 OPTION3 adjustment "D01". 2. Adjust "D01" data value so that picture is centered. Horizontal Position Adjustment 1.
  • Page 12 32U-F500 32U-F810 Ë MTS ADJUSTMENT Ë P-IN-P ADJUSTMENT (Only for 32U-F810) MTS Level Adjustment P-IN-P Y-LEVEL Adjustment 1. Set the sound volume above 1. 1. Receive a good local channel. 2. Enter the service mode and select the service Monoral signal: 400Hz, 100% modulation 2.

  • Page 13: Chassis Layout

    32U-F500 32U-F810 MODEL 32U-F500 CHASSIS LAYOUT...
  • Page 14 32U-F500 32U-F810 MODEL 32U-F810 CHASSIS LAYOUT...

  • Page 15: Block Diagram

    32U-F500 32U-F810 MODEL 32U-F500 BLOCK DIAGRAM...
  • Page 16 32U-F500 32U-F810 MODEL 32U-F810 BLOCK DIAGRAM...
  • Page 17 32U-F500 32U-F810 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. (K=k Ω =1000 Ω , M=M Ω ) signal, the tint setting adjusted for proper color. The wave shapes at the red, green and blue cathodes of 2.
  • Page 18 32U-F500 32U-F810 MODEL 32U-F500 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 19 32U-F500 32U-F810 MODEL 32U-F500 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 20 32U-F500 32U-F810 MODEL 32U-F810 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 21 32U-F500 32U-F810 MODEL 32U-F810 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 22 32U-F500 32U-F810 SCHEMATIC DIAGRAM: AV Unit...
  • Page 23 32U-F500 32U-F810 SCHEMATIC DIAGRAM: DF MODULE Unit...
  • Page 24 32U-F500 32U-F810 SCHEMATIC DIAGRAM: CONTROL Unit...
  • Page 25 32U-F500 32U-F810 MODEL 32U-F500 SCHEMATIC DIAGRAM: MTS Unit...
  • Page 26 32U-F500 32U-F810 MODEL 32U-F810 SCHEMATIC DIAGRAM: MTS Unit...
  • Page 27 32U-F500 32U-F810 MODEL 32U-F810 SCHEMATIC DIAGRAM: P-IN-P Unit...
  • Page 28 32U-F500 32U-F810 SCHEMATIC DIAGRAM: CRT Unit...
  • Page 29 32U-F500 32U-F810 MODEL 32U-F810 SCHEMATIC DIAGRAM: 2-TUNER Unit...

  • Page 30: Printed Wiring Board Assemblies

    32U-F500 32U-F810 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Wiring Side)
  • Page 31 32U-F500 32U-F810 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 32 32U-F500 32U-F810 PWB-C: AV Unit (Wiring Side) PWB-C: AV Unit (Chip Parts Side)
  • Page 33 32U-F500 32U-F810 PWB-R: P-IN-P Unit (Wiring Side) (Only for 32U-F810) PWB-R: P-IN-P Unit (Chip Parts Side) (Only for 32U-F810)
  • Page 34 32U-F500 32U-F810 PWB-H: DF MODULE Unit (Wiring Side)
  • Page 35 32U-F500 32U-F810 PWB-K: 2-TUNER Unit (Wiring Side) (Only for 32U-F810) PWB-F: CONTROL Unit (Wiring Side)
  • Page 36 32U-F500 32U-F810 PWB-B: CRT Unit (Wiring Side) PWB-S: MTS Unit (Wiring Side) PWB-S: MTS Unit (Chip Parts Side)
  • Page 37 IC2001 RH-iXA192WJZZ X TMPA8700CSF 3. PART NO. 4. DESCRIPTION IC2040 VHiKiA7045A-1 J KIA7045AP in USA: Contact your nearest SHARP Parts Distributor to order. For VHiKiA7045P-1 location of SHARP Parts Distributor, Please call Toll-Free; 1- IC2101 VHiM24C16B/-1 J M24C16-B6 800-BE-SHARP TRANSISTORS...
  • Page 38 CF403 RFiLC0446CEZZ J Ceramic Filter C419 VCKYCY1CF224Z J 0.22 Ceramic CF2040 RFiLA0099CEZZ J Ceramic Filter C420 VCEA0A1CW476M J 47 SF201 RFiLC0405CEZZ J SAW Filter C425 VCEA0A1HW105M J 1 EL. (32U-F500) AB VP-CF270K0000 J Peaking 27µH L201 VP-XF1R2K0000 J Peaking 1.2µH...
  • Page 39 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED1(32U-F500) C711 RC-KZ021SCEZZ J 3300p 2kV Ceramic PWB-A: DUNTKA526WEC9(32U-F810) C712 VCKYCY1HB103K J 0.01 Ceramic C717 VCKYPA2HB472K J 4700p 500V Ceramic MAIN UNIT C722 VCQYTA1HM104J J 0.1...
  • Page 40 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED1(32U-F500) R228 VRS-CY1JF102J J 1k 1/16W M-Ox. PWB-A: DUNTKA526WEC9(32U-F810) R229 VRS-CY1JF221J J 220 1/16W M-Ox. R233 VRS-CY1JF102J J 1k 1/16W M-Ox. MAIN UNIT R234 VRS-CY1JF103J J 10k 1/16W M-Ox.
  • Page 41 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED1(32U-F500) R767 VRS-CY1JF273J J 27k 1/16W M-Ox. PWB-A: DUNTKA526WEC9(32U-F810) R768 VRS-CY1JF332J J 3.3k 1/16W M-Ox. R769 VRS-CY1JF103J J 10k 1/16W M-Ox. MAIN UNIT R770 VRD-RM2HD823J...
  • Page 42 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED1(32U-F500) J921 QSOCD0430CEZZ J Socket, S-Video PWB-A: DUNTKA526WEC9(32U-F810) QPLGN0160CEZZ J Plug, 1-pin P361 QPLGN0461CEZZ J Plug, 4-pin(S) MAIN UNIT P401 QPLGN0861CEZZ J Plug, 8-pin(GBN) R2011 VRD-RA2BE561J...
  • Page 43 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-B:DUNTKA527WEB5 R876 VRD-RM2HD184J J 180k 1/2W Carbon R877 VRD-RA2BE103J J 10k 1/8W Carbon CRT UNIT R878 VRS-SV2HC120J J 12 1/2W M-Ox. å R1511 VRD-RA2BE101J J 100 1/8W...
  • Page 44 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C:DUNTKA602WEA1 C1453 VCKYCY1HF103Z J 0.01 Ceramic C1454 VCKYCY1HF103Z J 0.01 Ceramic AV UNIT C1455 VCKYCY1HF103Z J 0.01 Ceramic C1456 VCKYCY1CF104Z J 0.1 Ceramic INTEGRATED CIRCUITS C1457 VCEA0A1CW106M J 10...
  • Page 45 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C:DUNTKA602WEA1 PWB-F:DUNTKB207WEA1 AV UNIT (Continued) CONTROL UNIT CAPACITORS R1458 VRD-RA2BE103J J 10k 1/8W Carbon R1459 VRS-CY1JF821J J 820 1/16W M-Ox. [EL.··· Electrolytic] R1466 VRS-CY1JF123J J 12k 1/16W M-Ox.
  • Page 46 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-H:DUNTKB225WEA0 R1695 VRD-RA2BE224J J 220k 1/8W Carbon R1696 VRD-RA2BE394J J 390k 1/8W Carbon DF MODULE UNIT MISCELLANEOUS PARTS INTEGRATED CIRCUITS P1602 QPLGN0661CEZZ J Plug, 6-pin(XA) IC1680 VHiKiA358P+-1...
  • Page 47 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-S: DUNTKB224WEA0(32U-F810) C3534 VCQYTA1HM332J J 3300p 50V Mylar PWB-S: DUNTKB224WEA2(32U-F500) (32U-F810) C3535 VCQYTA1HM333J J 0.033 50V Mylar MTS UNIT (32U-F810) INTEGRATED CIRCUITS C3536 VCQYTA1HM152K J 1500p 50V Mylar (32U-F810)
  • Page 48 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-K:DUNTKB223WEA0(32U-F810) PWB-R:DUNTKA533WEA1(32U-F810) 2-TUNER UNIT P-IN-P UNIT TUNER INTEGRATED CIRCUITS NOTE: THE PARTS HERES SHOWN ARE SUPPLIED AS AN IC1801 VHiM65667FP-2 J M65667FP ASSEMBLY BUT NOT INDEPENDENTLY.
  • Page 49 32U-F500 32U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R:DUNTKA533WEA1(32U-F810) R1889 VRD-RA2BE101J J 100 1/8W Carbon P-IN-P UNIT (Continued) MISCELLANEOUS PARTS P1701 QPLGZ0810CEZZ J Plug, 8-pin C1863 VCCCCY1HH101J J 100p 50V Ceramic P1702 QPLGZ0610CEZZ J Plug, 6-pin C1865 VCFYFA1HA154J J 0.15...
  • Page 50 LHLDW1002PEZZ R Wire Holder LHLDW1033PEZZ R Wire Holder CABINET PARTS LHLDW1037PEZZ R Wire Holder LHLDW1060CEZZ J Wire Holder LHLDW1062PEKZ R Wire Holder CCABA0176WEH0 X Front Cabinet Ass'y(32U-F500) BM LHLDZ0015PEZZ R Holder CCABA0170WEH1 X Front Cabinet Ass'y(32U-F810) BL LHLDZ1003GJZZ X Holder Not Available –...

  • Page 51: Packing Of The Set

    32U-F500 32U-F810 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 52 32U-F500 32U-F810 COPYRIGHT © 2002 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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