Sharp 27L-S500 Service Manual
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Sharp 27L-S500 Service Manual

Sharp 27L-S500 Service Manual

Color television
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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 ............................................................................................................................ 16
» BLOCK DIAGRAM ............................................................................................................................. 20
» SCHEMATIC DIAGRAMS .................................................................................................................. 24
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 40
» REPLACEMENT PARTS LIST ........................................................................................................... 46
» PACKING OF THE SET ..................................................................................................................... 63
POWER INPUT ................................................... 120 V AC 60 Hz
POWER RATING
27L-S500, CL27S50 ......................................................... 130 W
27L-X2000, CL27X200 ..................................................... 135 W
PICTURE SIZE ......................................... 2,187 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

SHARP CORPORATION

SERVICE MANUAL

27L-S500, 27L-X2000
CL27S50, CL27X200
MODELS
CONTENTS

ELECTRICAL SPECIFICATIONS

AUDIO POWER
OUTPUT RATING .............. 1.3W + 1.3W (at 10% distortion and
SPEAKER
SIZE ...................................................................... 8 cm (Round)
2
(339 sq 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)
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-84
27L-S500,27L-X2000
CL27S50,CL27X200
S79J927L-S500
Page
Dual CH Operate)
(EIA, Channel Plan U.S.A.)

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Summary of Contents for Sharp 27L-S500

  • Page 1: Table Of Contents

    POWER INPUT ........... 120 V AC 60 Hz OUTPUT RATING ....1.3W + 1.3W (at 10% distortion and POWER RATING Dual CH Operate) 27L-S500, CL27S50 ............130 W SPEAKER 27L-X2000, CL27X200 ............. 135 W SIZE ..............8 cm (Round) PICTURE SIZE ......... 2,187 cm (339 sq inch) VOICE COIL IMPEDANCE .......

  • Page 2: Important Service Safety Precaution

    27L-S500,27L-X2000 CL27S50,CL27X200 IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are throughly 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

    27L-S500,27L-X2000 CL27S50,CL27X200 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, Before returning the receiver to the user, perform escutcheon and etc.) and measure the AC voltage...
  • Page 4 27L-S500,27L-X2000 CL27S50,CL27X200 PRECAUTIONS A PRENDRE LORS DE LA REPARATION 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 27L-S500,27L-X2000 CL27S50,CL27X200 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

    27L-S500,27L-X2000 CL27S50,CL27X200 LOCATION OF USER'S CONTROL (27L-S500, CL27S50) Front Panel POWER – VOL + POWER VIDEO/AUDIO IN 2 TERMINALS Press → On. POWER – VOL + Press again → Off. (VIDEO/AUDIO terminals are also provided on the rear.) VOLUME UP/DOWN CHANNEL UP/DOWN (+) Increases sound.
  • Page 7 27L-S500,27L-X2000 CL27S50,CL27X200 LOCATION OF USER'S CONTROL (Continued) (27L-X2000, CL27X200) Front Panel POWER – VOL + POWER VIDEO/AUDIO IN 2 TERMINALS Press → On. POWER – VOL + Press again → Off. (VIDEO/AUDIO terminals are also provided on the rear.) CHANNEL UP/DOWN VOLUME UP/DOWN ( ) Selects next higher channel.

  • Page 8: Installation And Service Instructions

    27L-S500,27L-X2000 CL27S50,CL27X200 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...
  • Page 9 27L-S500,27L-X2000 CL27S50,CL27X200 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-C" to determine, if serv- ice adjustments are required.
  • Page 10 27L-S500,27L-X2000 CL27S50,CL27X200 » To call up the service mode, hold down the CH UP and VOL UP keys of the unit at once and plug the AC power cord into a wall outlet. The unit switches on and comes in the service mode.
  • Page 11 27L-S500,27L-X2000 CL27S50,CL27X200 SERVICE VARIABLE INITIAL FIXED INPUT CONDITIONS ADJUSTMENT ITEM CONTROL DESTINATION DATA RANG VALUE VALUE C-DECODE 0 ~ 255 ” ” OSD POSITION ” C.C. display positioning ENERGY SAVE ” VCJ IC (IC401) adjusted VIDEO TINT ” ” INPUT LEVEL (ATT) ”...
  • Page 12 27L-S500,27L-X2000 CL27S50,CL27X200 ADJUSTMENT CONTENTS SERVICE ADJUSTMENT ITEM RANGE NUMBER 27L-S500, CL27S50 27L-X2000,CL27X200 E-SOUND 0 / 1 0 / 1 0 / 1 SRS 32/36, 27 (27) 0 / 1 (32/36) A/V IN 3/2 (2) 0 / 1 (3) V-CHIP 0 / 1...

  • Page 13: Service Adjustment

    27L-S500,27L-X2000 CL27S50,CL27X200 Ë SERVICE ADJUSTMENT Entering The Fixed Values Sub-Picture Adjustment 1. Before starting all the adjustments, enter the fixed 1. Receive a good local channel. values listed in Table - A. 2. Make sure the customer picture control is set to maximum.
  • Page 14 27L-S500,27L-X2000 CL27S50,CL27X200 Sub-Brightness Adjustment Horizontal Position Adjustment 1. Have unit receive a good local channel. 1. Have unit receive a good local channel. 2. Make sure the customer brightness control is set to 2. Enter the service mode and select the service center position.

  • Page 15: Mts Adjustment

    27L-S500,27L-X2000 CL27S50,CL27X200 Ë MTS ADJUSTMENT Ë P-IN-P ADJUSTMENT 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 16: Chassis Layout

    27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-S500, CL27S50 CHASSIS LAYOUT PWB-B PWB-K PWB-H PWB-R...
  • Page 17 27L-S500,27L-X2000 CL27S50,CL27X200 PWB-A...
  • Page 18 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-X2000, CL27S200 CHASSIS LAYOUT PWB-B PWB-K PWB-H PWB-L PWB-R...
  • Page 19 27L-S500,27L-X2000 CL27S50,CL27X200 PWB-A...

  • Page 20: Block Diagram

    27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-S500, CL27S50 BLOCK DIAGRAM...
  • Page 21 27L-S500,27L-X2000 CL27S50,CL27X200...
  • Page 22 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-X2000, CL27S200 BLOCK DIAGRAM...
  • Page 23 27L-S500,27L-X2000 CL27S50,CL27X200...

  • Page 24: Schematic Diagrams

    27L-S500,27L-X2000 CL27S50,CL27X200 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 25 27L-S500,27L-X2000 CL27S50,CL27X200 SCHEMATIC DIAGRAM: CRT, FRONT AV Unit Ë MODELS 27L-S500, CL27S50 Ë 27L-S500, CL27S50, 27L-X2000, CL27X200 FRONT AV...
  • Page 26 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-X2000, CL27X200 SCHEMATIC DIAGRAM: CRT Unit...
  • Page 27 27L-S500,27L-X2000 CL27S50,CL27X200 SCHEMATIC DIAGRAM: P-IN-P Unit...
  • Page 28 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-S500, CL27S50 SCHEMATIC DIAGRAM: MAIN Unit-1/2...
  • Page 29 27L-S500,27L-X2000 CL27S50,CL27X200...
  • Page 30 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-S500, CL27S50 SCHEMATIC DIAGRAM: MAIN Unit-2/2...
  • Page 31 27L-S500,27L-X2000 CL27S50,CL27X200...
  • Page 32 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-X2000, CL27X200 SCHEMATIC DIAGRAM: MAIN Unit-1/2...
  • Page 33 27L-S500,27L-X2000 CL27S50,CL27X200...
  • Page 34 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-X2000, CL27X200 SCHEMATIC DIAGRAM: MAIN Unit-2/2...
  • Page 35 27L-S500,27L-X2000 CL27S50,CL27X200...
  • Page 36 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-S500, CL27S50 SCHEMATIC DIAGRAM: SUB Unit...
  • Page 37 27L-S500,27L-X2000 CL27S50,CL27X200...
  • Page 38 27L-S500,27L-X2000 CL27S50,CL27X200 MODELS 27L-X2000, CL27X200 SCHEMATIC DIAGRAM: SUB and SURROUND Unit...
  • Page 39 27L-S500,27L-X2000 CL27S50,CL27X200...

  • Page 40: Printed Wiring Board Assemblies

    27L-S500,27L-X2000 CL27S50,CL27X200 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Wiring Side)
  • Page 41 27L-S500,27L-X2000 CL27S50,CL27X200 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 42 27L-S500,27L-X2000 CL27S50,CL27X200 Ë 27L-S500, CL27S50 PWB-B: CRT Unit (Wiring Side) Ë 27L-X2000, CL27X200 PWB-B: CRT Unit (Wiring Side)
  • Page 43 27L-S500,27L-X2000 CL27S50,CL27X200 PWB-K: SUB Unit (Wiring Side) PWB-K: SUB Unit (Chip Parts Side)
  • Page 44 27L-S500,27L-X2000 CL27S50,CL27X200 PWB-H: FRONT AV Unit (Wiring Side) Ë 27L-X2000, CL27X200 PWB-L: SURROUND Unit PWB-L: SURROUND Unit (Wiring Side) (Chip Parts Side)
  • Page 45 27L-S500,27L-X2000 CL27S50,CL27X200 PWB-R: P-IN-P Unit (Wiring Side) PWB-R: P-IN-P Unit (Chip Parts Side)

  • Page 46: Replacement Parts List

    4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. in CANADA: Contact SHARP Electronics of Conada 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...
  • Page 47 D620 RH-EX0604GEZZ J Zener Diode, 3.9V çå T602 RTRNF0020MEZZ M H-Out çå D651 RH-DX0131CEZZ J Diode å T701 RTRNP0533CEZZ M Power (27L-S500) çå D652 RH-EX1313CEZZ J Zener Diode, 9.1V å T701 RTRNP0549CEZZ M Power (CL27S50) çå D653 VHD1SS119//-1 J Diode å...
  • Page 48 Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9640WEK1 C1308 VCEA0A1HW335M J 3.3 (27L-S500, CL27S50) C1309 VCEA0A1HW335M J 3.3 MAIN UNIT (Continued) C1311 RC-QZA183TAYK J 0.018 50V Mylar C1313 VCKYCY1HB271K J 270p 50V Ceramic C604 VCEA0A1EW227M J 220...
  • Page 49 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9640WEK1 R617 VRS-CY1JF822J J 8.2k 1/16W M-Ox. (27L-S500, CL27S50) R620 VRD-RA2BE153J J 15k 1/8W Carbon MAIN UNIT (Continued) R627 VRD-RM2HD101J J 100 1/2W Carbon R651 VRS-RG2HC270J M 27 1/2W M-Ox.
  • Page 50 Code Ref. No. Part No. Description Code PWB-A: DUNTK9640WEK1 R2078 VRS-CY1JF333J J 33k 1/16W M-Ox. (27L-S500, CL27S50) R2095 VRS-CY1JF333J J 33k 1/16W M-Ox. MAIN UNIT (Continued) R2096 VRS-CY1JF101J J 100 1/16W M-Ox. R2099 VRS-CY1JF101J J 100 1/16W M-Ox. R1339 VRS-CY1JF750J J 75 1/16W M-Ox.

  • Page 51: Main Unit

    27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9640WEK2 D653 VHD1SS119//-1 J Diode çå (27L-X2000, CL27X200) D701 RH-DX0154CEZZ J Diode å MAIN UNIT D702 RH-DX0154CEZZ J Diode å D703 RH-DX0154CEZZ J Diode å...
  • Page 52 27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9640WEK2 (27L-X2000, CL27X200) RC-EZ0657CEZZ MAIN UNIT (Continued) RC-EZ0395CEZZ T701 RTRNP0533CEZZ M Power (27L-X2000) å å C706 RC-KZ0092GEZZ J 0.0033 Ceramic AC250V T701 RTRNP0549CEZZ M Power (CL27X200) å...
  • Page 53 27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9640WEK2 R410 VRS-CY1JF820J J 82 1/16W M-Ox. (27L-X2000, CL27X200) R411 VRS-CY1JF820J J 82 1/16W M-Ox. MAIN UNIT (Continued) R412 VRS-CY1JF820J J 82 1/16W M-Ox. R418 VRS-CY1JF101J J 100 1/16W M-Ox.
  • Page 54 27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9640WEK2 R1351 VRS-CY1JF104J J 100k 1/16W M-Ox. (27L-X2000, CL27X200) R1352 VRS-CY1JF104J J 100k 1/16W M-Ox. MAIN UNIT (Continued) R1353 VRS-CY1JF104J J 100k 1/16W M-Ox. R1354 VRS-CY1JF104J J 100k 1/16W M-Ox.
  • Page 55 27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9640WEK2 P2001 QPLGN0361CEZZ J Plug, 3-pin (KF) (27L-X2000, CL27X200) RRMCU0227CEZZ J R/C Receiver RMC2601 MAIN UNIT (Continued) RRMCU0224CEZZ R2048 VRS-CY1JF223J J 22k 1/16W M-Ox. R2050 VRS-CY1JF222J J 2.2k 1/16W M-Ox.

  • Page 56: Crt Unit

    27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-B: DUNTK9510WEK2 PWB-B: DUNTK9835WEK2 (27L-S500, CL27S50) (27L-X2000, CL27X200) CRT UNIT CRT UNIT TRANSISTORS INTEGRATED CIRCUITS Q851 VS2SC3198-Y-1 J 2SC3198(Y) IC850 VHiTDA6101Q-1 J TDA6101Q Q852 VS2SC3789//2E J 2SC3789...

  • Page 57: Sub Unit

    CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-K: DUNTK9641WEK1 (27L-S500, CL27S50) PWB-B: DUNTK9835WEK2 (27L-X2000, CL27X200) PWB-K: DUNTK9641WEK2 (27L-X2000, CL27X200) CRT UNIT (Continued) SUB UNIT MISCELLANEOUS PARTS TUNER NOTE: THE PARTS HERES SHOWN ARE SUPPLIED...
  • Page 58 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-K: DUNTK9641WEK1 (27L-S500, CL27S50) VRS-CY1JF122J J 1.2k 1/16W M-Ox. PWB-K: DUNTK9641WEK2 (27L-X2000, CL27X200) VRS-CY1JF684J J 680k 1/16W M-Ox. VRS-CY1JF122J J 1.2k 1/16W M-Ox. SUB UNIT (Continued) VRS-CY1JF223J J 22k 1/16W M-Ox.
  • Page 59 27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-K: DUNTK9641WEK1 (27L-S500, CL27S50) PWB-L: DUNTK9657WEK0 (27L-X2000, CL27X200) PWB-K: DUNTK9641WEK2 (27L-X2000, CL27X200) SURROUND UNIT SUB UNIT (Continued) INTEGRATED CIRCUITS R3011 VRD-RA2BE102J J 1.0k 1/8W Carbon R3012 VRD-RA2BE102J J 1.0k 1/8W...
  • Page 60 27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R: DUNTK9642WEK0 PWB-L: DUNTK9657WEK0 (27L-X2000, CL27X200) SURROUND UNIT (Continued) P-IN-P UNIT MISCELLANEOUS PARTS INTEGRATED CIRCUIT P3201 QPLGN0685CEZZ J Plug, 6-pin (LA) IC1801 VHiM65667FP-2 M M65667FP P3202 QPLGN0685CEZZ J Plug, 6-pin (LB) TRANSISTORS You can substitute "VS2SC2412-C-1"...
  • Page 61 27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R: DUNTK9642WEK0 MISCELLANEOUS PARTS P1901 QPLGZ0810CEZZ J Plug, 8-pin P-IN-P UNIT (Continued) P1902 QPLGZ0610CEZZ J Plug, 6-pin P1903 QPLGZ0810CEZZ J Plug, 8-pin C1865 RC-QZA154TAYJ J 0.15...

  • Page 62: Miscellaneous Parts

    QCNW-0137MEZZ M Connecting Cord CCABA1317MES0 M Front Cabinet Ass'y QCNW-0196MEZZ M Connecting Cord Not Available – Front Cabinet — QCNW-0197MEZZ M Connecting Cord HBDGB1009MESA M Badge, "SHARP" (27L-S500, CL27S50) JBTN-1101MEKA M Button, Power,Vol-up/down AD QCNW-0198MEZZ M Connecting Cord JBTN-1102MEKA M Button, CH-up/down...

  • Page 63: Packing Of The Set

    27L-S500,27L-X2000 CL27S50,CL27X200 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING OF THE SET Polyethylene Bag Operation Manual Guarantee Card Infrared R/C Unit Batteries Wrapping Sheet Buffer Material FRONT Packing Case Use 2 tapes fix the packing case.
  • Page 64 Code Ref. No. Part No. Description Code COPYRIGHT © 1999 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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