Sharp 32R-S50 Service Manual
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Sharp 32R-S50 Service Manual

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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 ..................................................................................................... 6
» INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 8
» CHASSIS LAYOUT ............................................................................................................................. 14
» BLOCK DIAGRAM .............................................................................................................................. 16
» SCHEMATIC DIAGRAMS ................................................................................................................... 18
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 39
» REPLACEMENT PARTS LIST ............................................................................................................ 43
» PACKING OF THE SET ...................................................................................................................... 55
POWER INPUT ..................................................... 120V AC 60 Hz
POWER RATING
32R-S50/S400, CR32S40 ................................................. 140W
36R-S50/S400 ................................................................... 165W
PICTURE SIZE
32R-S50/S400, CR32S40 ....................... 3,073cm
36R-S50/S400 ......................................... 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
32R-S50/S400,
36R-S50/S400, CR32S40
MODELS
CONTENTS
ELECTRICAL SPECIFICATIONS
AUDIO POWER
OUTPUT RATING .............. 3.0W + 3.0W (at 10% distortion and
SPEAKER
SIZE ............................................................... 12 x 6 cm (2 pcs.)
2
(476sq inch)
VOICE COIL IMPEDANCE .............................. 6 ohm at 400 Hz
2
(605sq inch)
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)
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.
1
COLOR TELEVISION
Chassis No. SN-92M
(EIA, Channel Plan U.S.A.)
32R-S50/S400,
36R-S50/S400,CR32S40
S61W4CR32S40/
Page
Dual CH Operate)

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  • 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 32R-S50/S400, CR32S40 ..........140W Dual CH Operate) 36R-S50/S400 ..............165W SPEAKER PICTURE SIZE SIZE ............... 12 x 6 cm (2 pcs.) 32R-S50/S400, CR32S40 .......

  • Page 2: Important Service Safety Precaution

    32R-S50/S400, 36R-S50/S400,CR32S40 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 32R-S50/S400, 36R-S50/S400,CR32S40 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 32R-S50/S400, 36R-S50/S400,CR32S40 PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT LIMITES DES RADIATIONS X ET DE LA HAUTE TENSION 1.
  • Page 5 32R-S50/S400, 36R-S50/S400,CR32S40 PRECAUTIONS A PRENDRE LORS DE LA REPARATION (Suite) • Toucher avec la sonde d'essai les pièces métalliques VERIFICATIONS CONTRE L'INCEN-DIE ET exposées qui présentent une voie de retour au LE CHOC ELECTRIQUE châssis (antenne, coffret métallique, tête des vis, Avant de rendre le récepteur à...

  • Page 6: Location Of User's Control

    32R-S50/S400, 36R-S50/S400,CR32S40 LOCATION OF USER'S CONTROL (32R-S50, 36R-S50) Front Panel POWER IN 2 VIDEO/AUDIO TERMINALS Press → On. POWER – VOL + (VIDEO/AUDIO terminals are also MENU Press again → Off. provided on the rear.) POWER – VOL + CHANNEL UP/DOWN – MENU ( ) Selects next higher channel.
  • Page 7 32R-S50/S400, 36R-S50/S400,CR32S40 LOCATION OF USER'S CONTROL (Continued) (32R-S400, 36R-S400, CR32S40) Front Panel VIDEO/AUDIO IN 2 TERMINALS POWER Press → On. (VIDEO/AUDIO terminals are also POWER – VOL + MENU Press again → Off. provided on the rear.) POWER – VOL + CHANNEL UP/DOWN ( ) Selects next higher channel.

  • Page 8: Installation And Service Instructions

    If a correct reading cannot be obtained, check circuitry 4. Connect a digital voltmeter to TP653 and make sure for malfunctioning components. After the voltage test, that the voltmeter reads 13.8 ±0.7V (32R-S50, 32R- make Y-mute off to the normal mode. S400, CR32S40)/13.2 ± 0.7V(36R-S50, 36R-S400).
  • Page 9 32R-S50/S400, 36R-S50/S400,CR32S40 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 10 COLOR TEMP HIGH-G 00-FF COLOR TEMP HIGH-B 00-FF OPTION1 00-FF Must be set to "B1" for 32R-S50/36R-S50 Must be set to "B7" for 32R-S400/36R-S400/CR32S40 OPTION2 00-FF Must be set to "C7" for 32R-S50/36R-S50 Must be set to "E7" for 32R-S400/36R-S400/CR32S40...
  • Page 11 32R-S50/S400, 36R-S50/S400,CR32S40 Ë SERVICE ADJUSTMENT VCO Adjustment White Balance Adjustment 1. Connect a digital voltmeter between pin (44) 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 12 32R-S50/S400, 36R-S50/S400,CR32S40 Vertical-Size and Linearity Adjustments Sharpness and Audio Balance Adjustments 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 "S09".
  • Page 13 32R-S50/S400, 36R-S50/S400,CR32S40 Ë MTS ADJUSTMENT Ë P-IN-P ADJUSTMENT (Only for 32R-S400, 36R-S400, CR32S40) MTS Level Adjustment P-IN-P Y-LEVEL Adjustment 1. Feed the following monaural signal to pin (14) of 1. Receive a good local channel. 2. Enter the service mode and select the service IC3001.

  • Page 14: Chassis Layout

    32R-S50/S400, 36R-S50/S400,CR32S40 MODELS 32R-S50, 36R-S50 CHASSIS LAYOUT...
  • Page 15 32R-S50/S400, 36R-S50/S400,CR32S40 MODELS 32R-S400, 36R-S400, CR32S40 CHASSIS LAYOUT...

  • Page 16: Block Diagram

    32R-S50/S400, 36R-S50/S400,CR32S40 MODELS 32R-S50, 36R-S50 BLOCK DIAGRAM...
  • Page 17 32R-S50/S400, 36R-S50/S400,CR32S40 MODELS 32R-S400, 36R-S400, CR32S40 BLOCK DIAGRAM...
  • Page 18 32R-S50/S400, 36R-S50/S400,CR32S40 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 19 32R-S50/S400, 36R-S50/S400,CR32S40 SCHEMATIC DIAGRAM: CRT Unit MODELS 32R-S50, 32R-S400, CR32S40 MODELS 36R-S50, 36R-S400...
  • Page 20 32R-S50/S400, 36R-S50/S400,CR32S40 MODEL 32R-S50 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 21 32R-S50/S400, 36R-S50/S400,CR32S40 MODEL 32R-S50 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 22 32R-S50/S400, 36R-S50/S400,CR32S40 MODELS 32R-S400, CR32S40 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 23 32R-S50/S400, 36R-S50/S400,CR32S40 MODELS 32R-S400, CR32S40 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 24 32R-S50/S400, 36R-S50/S400,CR32S40 MODEL 36R-S50 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 25 32R-S50/S400, 36R-S50/S400,CR32S40 MODEL 36R-S50 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 26 32R-S50/S400, 36R-S50/S400,CR32S40 MODEL 36R-S400 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 27 32R-S50/S400, 36R-S50/S400,CR32S40 MODEL 36R-S400 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 28 32R-S50/S400, 36R-S50/S400,CR32S40 MODELS 32R-S400, 36R-S400, CR32S40 SCHEMATIC DIAGRAM: P-IN-P Unit...
  • Page 29 32R-S50/S400, 36R-S50/S400,CR32S40 SCHEMATIC DIAGRAM: CONTROL Unit...

  • Page 30: Printed Wiring Board Assemblies

    32R-S50/S400, 36R-S50/S400,CR32S40 PRINTED WIRING BOARD ASSEMBLIES PWB-B: CRT Unit (Wiring Side) PWB-F: CONTROL Unit (Wiring Side)
  • Page 31 32R-S50/S400, 36R-S50/S400,CR32S40 PWB-A: MAIN Unit (Wiring Side)
  • Page 32 32R-S50/S400, 36R-S50/S400,CR32S40 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 33 32R-S50/S400, 36R-S50/S400,CR32S40 PWB-R: P-IN-P Unit (Wiring Side) (Only for 32R-S400, 36R-S400, CR32S40) PWB-R: P-IN-P Unit (Chip Parts Side) (Only for 32R-S400, 36R-S400, CR32S40)
  • Page 34 4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. in CANADA: Contact SHARP Electronics of Canada Limited For location of SHARP Parts Distributor, Please call Toll- Phone (416) 890-2100 Free; 1-800-BE-SHARP MARK: SPARE PARTS-DELIVERY SECTION MARQUE: SECTION LIVRAISON DES PIECES DE RECHANGE ç...
  • Page 35 32R-S50/S400, 36R-S50/S400,CR32S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA118WEV5 (32R-S50) Q904 VS2SD601AR/-1 J 2SD601AR PWB-A: DUNTKA118WEV7 (32R-S400, CR32S40) (32R-S400, 36R-S400, CR32S40) Q921 VS2SD601AR/-1 J 2SD601AR PWB-A: DUNTKA118WEV8 (36R-S50) (32R-S400, 36R-S400, CR32S40) PWB-A: DUNTKA118WEW0 (36R-S400)
  • Page 36 J Diode å D755 VHD1SS119//-1 J Diode 36R-S50, 36R-S400 D756 RH-DX0441CEZZ J Diode D2001 VHD1SS119//-1 J Diode (32R-S50, 36R-S50) AB D2011 RH-EX0611GEZZ J Zener Diode, 5.1V VA701 RH-VX0048CEZZ J Varistor å PACKAGED CIRCUITS CONTROLS PR701 RMPTP0072CEZZ J Packaged Circuit å...
  • Page 37 Mylar PWB-A: DUNTKA118WEV7 (32R-S400, CR32S40) RC-FZ0184CEZZ PWB-A: DUNTKA118WEV8 (36R-S50) C678 VCQPPC2GB473J J 0.047 400V M-Poly. ' å PWB-A: DUNTKA118WEW0 (36R-S400) (32R-S50, 32R-S400, CS32S40 ) MAIN UNIT (Continued) ' å C678 VCQPPC2JB473J J 0.047 630V M-Poly. (36R-S50, 36R-S400) C406 VCEA0A1HW225M J 2.2...
  • Page 38 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA118WEV5 (32R-S50) C3022 VCEA0A1HW475M J 4.7 PWB-A: DUNTKA118WEV7 (32R-S400, CR32S40) C3031 VCEA0A1HW475M J 4.7 C3032 VCEA0A1HW475M J 4.7 PWB-A: DUNTKA118WEV8 (36R-S50) PWB-A: DUNTKA118WEW0 (36R-S400) RESISTORS MAIN UNIT (Continued) [M-Ox.···...
  • Page 39 32R-S50/S400, 36R-S50/S400,CR32S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA118WEV5 (32R-S50) R552 VRD-RA2BE102J J 1.0k 1/8W Carbon PWB-A: DUNTKA118WEV7 (32R-S400, CR32S40) R553 VRS-CY1JF823J J 82k 1/16W M-Ox. R554 VRS-CY1JF183J J 18k 1/16W M-Ox. PWB-A: DUNTKA118WEV8 (36R-S50) R604 VRS-RG3LB222J+ X 2.2k 3W...
  • Page 40 32R-S50/S400, 36R-S50/S400,CR32S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA118WEV5 (32R-S50) R930 VRS-CY1JF563J J 56k 1/16W M-Ox. PWB-A: DUNTKA118WEV7 (32R-S400, CR32S40) (32R-S400, 36R-S400, CR32S40) R931 VRS-CY1JF333J J 33k 1/16W M-Ox. PWB-A: DUNTKA118WEV8 (36R-S50) (32R-S400, 36R-S400, CR32S40)
  • Page 41 32R-S50/S400, 36R-S50/S400,CR32S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA118WEV5 (32R-S50) F701 QFS-B5023CEZZ J Fuse, 5A/125V å PWB-A: DUNTKA118WEV7 (32R-S400, CR32S40) FB601 RBLN-0047CEZZ J Ferrite Bead FB671 RBLN-0047CEZZ J Ferrite Bead PWB-A: DUNTKA118WEV8 (36R-S50)
  • Page 42 32R-S50/S400, 36R-S50/S400,CR32S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-B: DUNTK9303WEV0(32R-S50/S400, CR32S40) R885 VRD-RA2BE221J J 220 1/8W Carbon PWB-B: DUNTK9303WEV1(36R-S50/S400) R886 VRD-RA2BE471J J 470 1/8W Carbon R887 VRD-RA2BE471J J 470 1/8W Carbon CRT UNIT R888...
  • Page 43 32R-S50/S400, 36R-S50/S400,CR32S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R: DUNTK9511WEV8 PWB-F: DUNTK9514WEV4 (32R-S400, 36R-S400, CR32S40) CONTROL UNIT P-IN-P UNIT CAPACITORS INTEGRATED CIRCUITS [EL.··· Electrolytic] IC1701 VHiMM1117XF1E~ X MM1117XFBE C4001 VCEA0A1HW475M J 4.7 IC1781 VHiKA7805AP-1...
  • Page 44 32R-S50/S400, 36R-S50/S400,CR32S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R: DUNTK9511WEV8 R1825 VRS-CY1JF183J J 18k 1/16W M-Ox. R1828 VRS-CY1JF153J J 15k 1/16W M-Ox. (32R-S400, 36R-S400, CR32S40) R1831 VRS-CY1JF332J J 3.3k 1/16W M-Ox. P-IN-P UNIT (Continued) R1832 VRS-CY1JF682J J 6.8k 1/16W M-Ox.
  • Page 45 HBDGB1010MESB X Badge, ”SHARP” (32R-S400, 36R-S400) (36R-S50/S400) TiNS-7501GJZZ X Operation Manual JBTN-1105MEKA X Button, Power, Vol-up/down, AQ (CR32S40) CH-up/down GCABB0117GJKA X Rear Cabinet (32R-S50) GCABB0127GJKA X Rear Cabinet (32R-S400, CR32S40) GCABB0119GJKA X Rear Cabinet (36R-S50) GCABB0131GJKA X Rear Cabinet (36R-S400) 1-3 1-4...

  • Page 46: Packing Of The Set

    32R-S50/S400, 36R-S50/S400,CR32S40 PACKING OF THE SET Polyethylene Bag Guarantee Card (32R-S50/S400, 36R-S50/S400) Operation Manual Infrared R/C Unit Polyethylene Sheet Batteries 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 47: S50/S400

    32R-S50/S400, 36R-S50/S400,CR32S40 COPYRIGHT © 2001 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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