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Sharp 32U-S50 Service Manual

Color television
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See also: Operating Manual
32U-S50
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 ................................................................................ 5
» SERVICE ADJUSTMENT ..................................................................................................................... 9
» CHASSIS LAYOUT ............................................................................................................................. 12
» BLOCK DIAGRAM .............................................................................................................................. 14
» SCHEMATIC DIAGRAMS ................................................................................................................... 16
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 35
» REPLACEMENT PARTS LIST ............................................................................................................ 40
» PACKING OF THE SET ...................................................................................................................... 51
POWER INPUT ..................................................... 120V AC 60 Hz
POWER RATING
32U-S50/60 ....................................................................... 152W
36U-S60 ............................................................................ 167W
PICTURE SIZE
32U-S50/60 ............................................. 3,073cm
36U-S60 .................................................. 3,905cm
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

SHARP CORPORATION

SERVICE MANUAL

32U-S60
36U-S60
MODELS
CONTENTS
ELECTRICAL SPECIFICATIONS
AUDIO POWER
SPEAKER
2
(476sq inch)
2
(605sq inch)
ANTENNA INPUT IMPEDANCE
TUNING RANGES
(Nominal)
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
1
COLOR TELEVISION
Chassis No. MS-B
32U-S50/60
36U-S60
OUTPUT RATING .............. 3.0W + 3.0W (at 10% distortion and
SIZE .................................................. 12 cm x 6 cm oval (2 pcs.)
VOICE COIL IMPEDANCE .............................. 8 ohm at 400 Hz
VHF/UHF ..................................................... 75 ohm Unbalanced
VHF-Channels ............................................................... 2 thru 13
UHF-Channels ............................................................ 14 thru 69
CATV Channels ........................................................... 1 thru 125
Specifications are subject to change without
prior notice.
32U-S50, 32U-S60
36U-S60
S12F332U-S50/
Page
Dual CH Operate)
(EIA, Channel Plan U.S.A.)

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Summary of Contents for Sharp 32U-S50

  • Page 1: Table Of Contents

    ELECTRICAL SPECIFICATIONS POWER INPUT ............. 120V AC 60 Hz AUDIO POWER POWER RATING OUTPUT RATING ....3.0W + 3.0W (at 10% distortion and 32U-S50/60 ............... 152W Dual CH Operate) 36U-S60 ................167W SPEAKER PICTURE SIZE SIZE ..........12 cm x 6 cm oval (2 pcs.) 32U-S50/60 ..........

  • Page 2: Important Service Safety Precaution

    32U-S50, 32U-S60 36U-S60 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

    32U-S50, 32U-S60 36U-S60 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...

  • Page 4: Location Of User's Control

    32U-S50, 32U-S60 36U-S60 LOCATION OF USER'S CONTROL 32U-S50 32U-S60 36U-S60...

  • Page 5: Installation And Service Instructions

    32U-S50, 32U-S60 36U-S60 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 6 32U-S50, 32U-S60 36U-S60 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.
  • Page 7 32U-S50, 32U-S60 36U-S60 DATA SERVICE ADJUSTMENT ITEM ADJUSTMENT CONTENTS NUMBER INITIAL VALUE RANGE PICTURE 0-15(00h-0Fh) TINT 0-127(00h-7Fh) COLOR 0-127(00h-7Fh) SUB-COLOR 0-31(00h-1Fh) Must be set to "10" BRIGHT 0-127(00h-7Fh) R CUT-OFF 64-255(40h-FFh) G CUT-OFF 64-255(40h-FFh) B CUT-OFF 64-255(40h-FFh) G DRIVE 0-127(00h-7Fh)
  • Page 8 32U-S50, 32U-S60 36U-S60 DATA SERVICE ADJUSTMENT ITEM ADJUSTMENT CONTENTS NUMBER INITIAL VALUE RANGE INPUT LEVEL 0-15(00h-0Fh) MTS VCO 0-63(00h-3Fh) FILTER 0-63(00h-3Fh) WIDEBAND 0-63(00h-3Fh) SPECTRAL 0-63(00h-3Fh) Table - A Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will automatically write the above initial values into IC2102.

  • Page 9: Service Adjustment

    32U-S50, 32U-S60 36U-S60 SERVICE ADJUSTMENT VCO Adjustment White Balance Adjustment 1. Connect a digital voltmeter between pin (55) of IC201 1. Receive a good local channel. and ground. 2. Enter the service mode and select the service 2. Receive a good local channel.
  • Page 10 32U-S50, 32U-S60 36U-S60 Vertical-Size and Linearity Adjustments Horizontal-Size Adjustment 1. Receive a good local channel. 1. Receive a good local channel. 2. Enter the service mode and select the service 2. Enter the service mode and select the service adjustment "D03" for V-size.

  • Page 11: Mts Adjustment

    32U-S50, 32U-S60 36U-S60 Ë MTS ADJUSTMENT MTS Level Adjustment 1. Receive the following composite signal. Monaural signal: 400Hz, 100% modulation 2. Connect the rms voltmeter to pin (39) of IC3001. 3. Enter the service mode and select the service adjustment "M01" and set to "09".

  • Page 12: Chassis Layout

    32U-S50, 32U-S60 36U-S60 MODELS 32U-S50/60 CHASSIS LAYOUT...
  • Page 13 32U-S50, 32U-S60 36U-S60 MODEL 36U-S60 CHASSIS LAYOUT...

  • Page 14: Block Diagram

    32U-S50, 32U-S60 36U-S60 MODELS 32U-S50/60 BLOCK DIAGRAM...
  • Page 15 32U-S50, 32U-S60 36U-S60 MODEL 36U-S60 BLOCK DIAGRAM...

  • Page 16: Schematic Diagrams

    32U-S50, 32U-S60 36U-S60 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 17 32U-S50, 32U-S60 36U-S60 MODEL 36U-S60 SCHEMATIC DIAGRAM: CONTROL Unit...
  • Page 18 MODEL 32U-S50 SCHEMATIC DIAGRAM: MAIN-1 Unit 18~19...
  • Page 19 MODEL 32U-S50 SCHEMATIC DIAGRAM: MAIN-2 Unit 20~21...
  • Page 20 MODEL 32U-S60 SCHEMATIC DIAGRAM: MAIN-1 Unit 22~23...
  • Page 21 MODEL 32U-S60 SCHEMATIC DIAGRAM: MAIN-2 Unit 24~25...
  • Page 22 MODEL 36U-S60 SCHEMATIC DIAGRAM: MAIN-1 Unit 26~27...
  • Page 23 MODEL 36U-S60 SCHEMATIC DIAGRAM: MAIN-2 Unit 28~29...
  • Page 24 MODELS 32U-S50/60, 36U-S60 SCHEMATIC DIAGRAM: AV Unit 30~31...
  • Page 25 32U-S50, 32U-S60 36U-S60 MODELS 32U-S50/60 SCHEMATIC DIAGRAM: CRT Unit...
  • Page 26 32U-S50, 32U-S60 36U-S60 MODEL 36U-S60 SCHEMATIC DIAGRAM: CRT Unit...
  • Page 27 32U-S50, 32U-S60 36U-S60 MODELS 32U-S50/60, 36U-S60 SCHEMATIC DIAGRAM: MTS MODULE Unit...

  • Page 28: Printed Wiring Board Assemblies

    32U-S50, 32U-S60 36U-S60 PRINTED WIRING BOARD ASSEMBLIES PWB-B: CRT Unit (Wiring Side) PWB-S: MTS MODULE Unit PWB-S: MTS MODULE Unit (Wiring Side) (Chip Parts Side)
  • Page 29 32U-S50, 32U-S60 36U-S60 PWB-A: MAIN Unit (Wiring Side)
  • Page 30 32U-S50, 32U-S60 36U-S60 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 31 32U-S50, 32U-S60 36U-S60 PWB-C: AV Unit (Wiring Side) PWB-C: AV Unit (Chip Parts Side)
  • Page 32 32U-S50, 32U-S60 36U-S60 PWB-F: CONTROL Unit (Wiring Side) PWB-F: CONTROL Unit (Component Side)

  • Page 33: Replacement Parts List

    2. REF. NO. 3. PART NO. 4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. For location of SHARP Parts Distributor, Please call Toll- Free; 1-800-BE-SHARP MARK: SPARE PARTS-DELIVERY SECTION ç MARK : X- RAY RELATED PARTS Ref.

  • Page 34: Main Unit

    32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WEC3 (32U-S50) Q2060 VS2PD601AR/-1` J D601AR PWB-A: DUNTKA526WEC2 (32U-S60) VS2PX1623L61E` PWB-A: DUNTKA526WEC1 (36U-S60) Q2201 VS2PD601AR/-1` J D601AR MAIN UNIT VS2PC1623L61E` TUNER Q2211 VS2PD601AR/-1` J D601AR NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY.
  • Page 35 32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WEC3 (32U-S50) C230 VCEA0A1HW225M+J 2.2 PWB-A: DUNTKA526WEC2 (32U-S60) C231 VCKYCY1CF104Z` J 0.1 Ceramic C232 VCEA0A1HW474M+J 0.47 PWB-A: DUNTKA526WEC1 (36U-S60) C233 VCKYCY1CF104Z` J 0.1 Ceramic...
  • Page 36 32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WEC3 (32U-S50) C813 VCEA0A1CW107M+J 100 PWB-A: DUNTKA526WEC2 (32U-S60) C814 VCKYCY1HB103K` J 0.01 Ceramic C816 VCEA0A1CW107M+J 100 PWB-A: DUNTKA526WEC1 (36U-S60) C945 VCKYCY1HB102K` J 1000p 50V...
  • Page 37 32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WEC3 (32U-S50) R621 VRN-RL3AB5R6J+ X 5.6 M-Film å PWB-A: DUNTKA526WEC2 (32U-S60) (36U-S60) R622 VRN-RL2HCR68J+ X 0.68 1/2W M-Film PWB-A: DUNTKA526WEC1 å (36U-S60) (32U-S50, 32U-S60) MAIN UNIT (Continued) å...
  • Page 38 32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WEC3 (32U-S50) R2029 VRS-CY1JF103J` J 10k 1/16W M-Ox. PWB-A: DUNTKA526WEC2 (32U-S60) R2039 VRS-CY1JF102J` J 1.0k 1/16W M-Ox. R2040 VRS-CY1JF102J` J 1.0k 1/16W M-Ox. PWB-A: DUNTKA526WEC1 (36U-S60) R2041 VRS-CY1JF333J` J 33k 1/16W M-Ox.

  • Page 39: Crt Unit

    32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WEC3 PWB-B: DUNTKA527WEA8 (32U-S50) (32U-S50, 32U-S60) PWB-A: DUNTKA526WEC2 PWB-B: DUNTKA527WEB3 (32U-S60) (36U-S60) PWB-A: DUNTKA526WEC1 CRT UNIT (36U-S60) MAIN UNIT (Continued) INTEGRATED CIRCUIT IC850 VHiTDA6103Q-1 J TDA6103Q/N3 å...
  • Page 40 32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C: DUNTKA528WEA6 C1903 VCKYCY1HB681K` J 680p 50V Ceramic C1904 VCEA0A1HW105M+J 1.0 AV UNIT C1905 VCEA0A1HW105M+J 1.0 C1906 VCKYCY1HB681K` J 680p 50V Ceramic INTEGRATED CIRCUITS C1907 VCEA0A1HW105M+J 1.0...

  • Page 41: Control Unit

    32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code R1955 VRD-RA2BE221J` J 220 1/8W Carbon RMC4001 RRMCU0222CEZZ J Remote Receiver R1956 VRS-CY1JF222J` J 2.2k 1/16W M-Ox. R1957 VRD-RA2BE101J` J 100 1/8W Carbon RRMCU0235CEZZ R1958 VRS-CY1JF101J` J 100 1/16W M-Ox.

  • Page 42: Miscellaneous Parts

    32U-S50, 32U-S60 36U-S60 Ref. No. Part No. Description Code Ref. No. Part No. Description Code MISCELLANEOUS PARTS SUPPLIED ACCESORRIES åACC701 QACCD3065CESA J Ac Cord RRMCG1324CESA X Infrared R/C Unit VSP1206PB648A X Speaker(L) TGAN-0001GJZZ X Guarantee Card TiNS-7646GJZZ X Operation Manual...

  • Page 43: Packing Parts

    (32U-S60) Not Available – Front Cabinet — SPAKC0239GJZZ – Packing Case — GCOVA0117GJKA X R/C Cover (36U-S60) HBDGB1009MESB X Badge, "SHARP" SPAKP0110GJZZ – Polyethylene Sheet — JBTN-0133GJKA X Control Button (32U-S50, 32U-S60) GCABB0149GJKA X Rear Cabinet SPAKP0113GJZZ – Polyethylene Sheet —...

  • Page 44: Packing Of The Set

    32U-S50, 32U-S60 36U-S60 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 45: S60

    32U-S50, 32U-S60 36U-S60 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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