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32U-S50B
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 ............................................................................................................................. 12
» BLOCK DIAGRAM .............................................................................................................................. 13
» DESCRIPTION OF SCHEMATIC DIAGRAM & WAVEFORMS .......................................................... 14
» SCHEMATIC DIAGRAMS ................................................................................................................... 15
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 22
» REPLACEMENT PARTS LIST ............................................................................................................ 25
» PACKING OF THE SET ...................................................................................................................... 33
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 135W
PICTURE SIZE .......................................... 3,073 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 .............. 3.0W + 3.0W (at 10% distortion and
SHARP CORPORATION
SERVICE MANUAL
32U-S60B
MODELS
CONTENTS
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ........................................................ 12 x 6 cm oval (2 pcs.)
2
(476sq inch)
VOICE COIL IMPEDANCE ............................ 16 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
32U-S50B
32U-S60B
(EIA, Channel Plan U.S.A.)
32U-S50B
32U-S60B
S23X132U-S50B
Page
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Table of Contents
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Summary of Contents for Sharp 32U-S50B
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Page 1: Table Of Contents
32U-S50B 32U-S60B SERVICE MANUAL S23X132U-S50B COLOR TELEVISION Chassis No. GB-3U 32U-S50B 32U-S50B 32U-S60B 32U-S60B 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-S50B 32U-S60B 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-S50B 32U-S60B 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...
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Page 4: Location Of User's Control
32U-S50B 32U-S60B LOCATION OF USER'S CONTROL (32U-S50B) VIDEO/AUDIO IN 2 TERMINALS Front Panel POWER Press Press again Off. CHANNEL UP/DOWN ( ) Selects next higher channel. ( ) Selects next lower channel. " MENU Press Accesses MAIN MENU. Press again Exits MAIN MENU. - Page 5 32U-S50B 32U-S60B LOCATION OF USER'S CONTROL (32U-S60B) Front Panel VIDEO/AUDIO IN 2 TERMINALS Front Panel POWER Press → On. VIDEO/AUDIO IN 2 TERMINALS POWER Press again → Off. Press → On. Press again → Off. CHANNEL UP/DOWN ( ) Selects next higher channel.
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Page 6: Installation And Service Instructions
32U-S50B 32U-S60B 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. CIRCUIT PROTECTION... - Page 7 32U-S50B 32U-S60B 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) S terminal input. C-TRAP 0-1 (00h-01h) 0 (00h) AUTO FLESH 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...
- Page 9 32U-S50B 32U-S60B B. SPECIAL SETTING DATA SERVICE FIXED VALUE ADJUSTMENT ITEM NOTE NUMBER (HEX) RANGE INITIAL VALUE FAO VOLUME 0-50 (00h-32h) 36 (24h) CC-POSITION 0-127 (00h-7Fh) 27 (1Bh) 0-255 (00h-FFh) 122 (7Ah) Interrupt period adjustment. A-ATT 0-127 (00h-7Fh) 90 (5Ah)
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Page 10: Service Adjustment
32U-S50B 32U-S60B 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 32U-S50B 32U-S60B Ë MTS ADJUSTMENT C. C Display Position Adjustment 1. Receive the lion head pattern signal. 2. Select "EX2" to display the text box. MTS Level Adjustment 3. Adjust the "EX2" bus data to let the text box displayed 1.
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Page 12: Chassis Layout
32U-S50B 32U-S60B CHASSIS LAYOUT... -
Page 13: Block Diagram
32U-S50B 32U-S60B BLOCK DIAGRAM... -
Page 14: Description Of Schematic Diagram & Waveforms
32U-S50B 32U-S60B 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. Ω Ω Ω signal, the tint setting adjusted for proper color. The (K=k... -
Page 15: Schematic Diagrams
32U-S50B 32U-S60B SCHEMATIC DIAGRAM: CRT Unit... - Page 16 32U-S50B 32U-S60B SCHEMATIC DIAGRAM: MAIN-1 Unit...
- Page 17 32U-S50B 32U-S60B...
- Page 18 32U-S50B 32U-S60B SCHEMATIC DIAGRAM: MAIN-2 Unit...
- Page 19 32U-S50B 32U-S60B...
- Page 20 32U-S50B 32U-S60B SCHEMATIC DIAGRAM: 2 LINE Y/C Unit...
- Page 21 32U-S50B 32U-S60B...
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Page 22: Printed Wiring Board Assemblies
32U-S50B 32U-S60B PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Components Side) - Page 23 32U-S50B 32U-S60B PWB-A: MAIN Unit (Chip Parts Side)
- Page 24 32U-S50B 32U-S60B PWB-B: CRT Unit (Wiring Side) PWB-D: 2 LINE Y/C Unit (Wiring Side) PWB-D: 2 LINE Y/C Unit (Chip Parts Side)
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Page 25: Replacement Parts List
3. PART NO. 4. DESCRIPTION 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 26 32U-S50B 32U-S60B Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ PWB-A: DUNTKB567WEV6 C232 VCKYCY1HB222K X 2200p 50V Ceramic C233 VCEA0A1HW474M+X 0.47 Electrolytic ∗ MAIN UNIT(Continued) C234 VCKYCY1HB103K X 0.01 Ceramic C235 VCEA0A1HW106M+X 10 Electrolytic ∗...
- Page 27 32U-S50B 32U-S60B Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ PWB-A: DUNTKB567WEV6 C2040 VCKYCY1CF104Z X 0.1 Ceramic C2041 VCEA0A1HW105M+X 1 Electrolytic ∗ MAIN UNIT(Continued) C2043 VCCCCY1HH331J X 330p 50V Ceramic ∗ C2044 VCCCCY1HH100D X 10p...
- Page 28 32U-S50B 32U-S60B Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKB567WEV6 R628 VRN-RL3ABR47J+ X 0.47 1W Metal Film å R651 VRS-RG2HC270J+ X 27 1/2W Metal Oxide ' å ∗ MAIN UNIT(Continued) R652 VRD-RA2EE103G X 10k 1/4W Carbon ' å...
- Page 29 32U-S50B 32U-S60B Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ PWB-A: DUNTKB567WEV6 R2504 VRS-CY1JF103J X 10k 1/16W Metal Oxide ∗ R2505 VRD-RA2BE822J X 8.2k 1/8W Carbon ∗ MAIN UNIT(Continued) R2506 VRD-RA2BE822J X 8.2k 1/8W Carbon ∗...
- Page 30 32U-S50B 32U-S60B Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ PWB-B: DUNTKB568WEV1 R877 VRD-RA2BE121J X 120 1/8W Carbon ∗ R878 VRD-RA2BE121J X 120 1/8W Carbon ∗ CRT UNIT R879 VRD-RM2HD100J X 10 1/2W Carbon ∗...
- Page 31 32U-S50B 32U-S60B Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-D: DUNTKB572WEV0 MISCELLANEOUS PARTS 2 LINE Y/C UNIT(Continued) RESISTORS VSP1206PB69WA X Speaker (L) ∗ VSP1206PB69WA X Speaker (R) R1401 VRS-CY1JF821J X 820 1/16W Metal Oxide ∗...
- Page 32 CCABA0161WEH3 X Front Cabinet Ass'y (32US60B) Not Available – Front Cabinet — 1-2A GCOVA0117GJKA X RC/LED Cover(32US50B) 1-2B GCOVA0119GJKA X RC/LED Cover(32US60B) HBDGB1009MESB X "SHARP" Badge 1-4A JBTN-0132GJKA X Power Button(32US50B) 1-4B JBTN-0119GJKA X Power Button(32US60B) 1-5A JBTN-0133GJKA X Control Button(32US50B)
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Page 33: Packing Of The Set
32U-S50B 32U-S60B PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C Unit Batteries Polyethylene Mat Buffer Material FRONT Packing Case Use tape to fix the top side of packing case. Packing Case Label REAR Use 12 staples to fix the bottom side of packing case. - Page 34 32U-S50B 32U-S60B 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.