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Sharp 27L-S100 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 ............................................................................................................................. 15
» SCHEMATIC DIAGRAMS ................................................................................................................... 16
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 26
» REPLACEMENT PARTS LIST ........................................................................................................... 29
» PACKING OF THE SET ..................................................................................................................... 36
POWER INPUT ................................................... 120 V AC 60 Hz
POWER RATING .................................................................. 110 W
PICTURE SIZE ........................................... 2,187cm
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 .............. 1.3W + 1.3W (at 10% distortion and
SHARP CORPORATION
SERVICE MANUAL
27L-S100/27L-S180
CL27S10/CL27S18
MODELS
CONTENTS

ELECTRICAL SPECIFICATIONS

SPEAKER
SIZE ...................................................................... 8 cm (Round)
VOICE COIL IMPEDANCE ............................. 32 ohm at 400 Hz
2
(339sq 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)
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.
1
COLOR TELEVISION
Chassis No. SN-91
(EIA, Channel Plan U.S.A.)
27L-S100/27L-S180
CL27S10/CL27S18
S39D927L-S100
Page

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Summary of Contents for Sharp 27L-S100

  • Page 1: Table Of Contents

    27L-S100/27L-S180 CL27S10/CL27S18 SERVICE MANUAL S39D927L-S100 COLOR TELEVISION Chassis No. SN-91 27L-S100/27L-S180 CL27S10/CL27S18 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

    27L-S100/27L-S180 CL27S10/CL27S18 IMPORTANT SERVICE SAFETY PRECAUTION 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 27L-S100/27L-S180 CL27S10/CL27S18 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 and etc.) and measure the AC voltage...
  • Page 4 27L-S100/27L-S180 CL27S10/CL27S18 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-S100/27L-S180 CL27S10/CL27S18 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-S100/27L-S180 CL27S10/CL27S18 LOCATION OF USER'S CONTROL (27L-S100, CL27S10)
  • Page 7 27L-S100/27L-S180 CL27S10/CL27S18 LOCATION OF USER'S CONTROL(Continued) (27L-S180, CL27S18)
  • Page 8: Installation And Service Instructions

    27L-S100/27L-S180 CL27S10/CL27S18 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-S100/27L-S180 CL27S10/CL27S18 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 OSD SETUP 00-03 Must be set to "00" TUNER SETUP 00, 01 Must be set to "00" OPTION (Set to each model) 00-FF Must be set to "26"=27L-S100, "3E"=27L-S180 INPUT LEVEL 00-0F ST VCO 00-3F FILTER 00-3F WIDE BAND 00-3F...
  • Page 11 27L-S100/27L-S180 CL27S10/CL27S18 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 27L-S100/27L-S180 CL27S10/CL27S18 Sub-Brightness Adjustment 3.58MHz Trap Adjustment 1. Receive a good local channel. 1. 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 13 27L-S100/27L-S180 CL27S10/CL27S18 MTS ADJUSTMENT MTS Level Adjustment 1. Feed the following monaural signal to pin (14) of IC3001. Monaural signal : 300Hz, 245mVrms 2. Connect the rms voltmeter to pin (39) of IC3001. 3. Enter the service mode and select the service adjustment "M01".
  • Page 14: Chassis Layout

    27L-S100/27L-S180 CL27S10/CL27S18 CHASSIS LAYOUT PWB-B PWB-H PWB-A...
  • Page 15: Block Diagram

    27L-S100/27L-S180 CL27S10/CL27S18 BLOCK DIAGRAM...
  • Page 16: Schematic Diagrams

    27L-S100/27L-S180 CL27S10/CL27S18 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 17 27L-S100/27L-S180 CL27S10/CL27S18 SCHEMATIC DIAGRAM: CRT and FRONT AV Units...
  • Page 18 27L-S100/27L-S180 CL27S10/CL27S18 MODEL 27L-S100, CL27S10 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 19 27L-S100/27L-S180 CL27S10/CL27S18...
  • Page 20 27L-S100/27L-S180 CL27S10/CL27S18 MODEL 27L-S100, CL27S10 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 21 27L-S100/27L-S180 CL27S10/CL27S18...
  • Page 22 27L-S100/27L-S180 CL27S10/CL27S18 MODEL 27L-S180, CL27S18 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 23 27L-S100/27L-S180 CL27S10/CL27S18...
  • Page 24 27L-S100/27L-S180 CL27S10/CL27S18 MODEL 27L-S180, CL27S18 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 25 27L-S100/27L-S180 CL27S10/CL27S18...
  • Page 26: Printed Wiring Board Assemblies

    27L-S100/27L-S180 CL27S10/CL27S18 PRINTED WIRING BOARD ASSEMBLIES PWB-A : MAIN Unit (Wiring Side)
  • Page 27 27L-S100/27L-S180 CL27S10/CL27S18 PWB-A : MAIN Unit (Chip Parts Side)
  • Page 28 27L-S100/27L-S180 CL27S10/CL27S18 PWB-B : CRT Unit (Wiring Side) PWB-H : FRONT AV Unit (Wiring Side)
  • Page 29: 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 30 27L-S100/27L-S180 CL27S10/CL27S18 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9806WEK4 (27L-S100, CL27S10) COILS PWB-A: DUNTK9806WEK5 (27L-S180, CL27S18) L201 VP-XF1R2K0000 J Peaking 1.2µH L202 RCiLi0588CEZZ J IF Coil MAIN UNIT (Continued) L301 VP-XF8R2K0000 J Peaking 8.2µH...
  • Page 31 27L-S100/27L-S180 CL27S10/CL27S18 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9806WEK4 (27L-S100, CL27S10) C922 VCEA0A1HW335M J 3.3 PWB-A: DUNTK9806WEK5 (27L-S180, CL27S18) (27L-S180, CL27S18) C923 VCEA0A1HW335M J 3.3 MAIN UNIT (Continued) (27L-S180, CL27S18) C501 VCKYPA2HB102K J 1000p 500V...
  • Page 32 27L-S100/27L-S180 CL27S10/CL27S18 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9806WEK4 (27L-S100, CL27S10) R501 VRN-RL3ABR56J J 0.56 1W M-Film å PWB-A: DUNTK9806WEK5 (27L-S180, CL27S18) R510 VRD-MN2BE471J J 470 1/8W Carbon R511 VRD-RA2BE823G J 82k 1/8W...
  • Page 33 27L-S100/27L-S180 CL27S10/CL27S18 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9806WEK4 (27L-S100, CL27S10) R2401 VRS-CY1JF101J J 100 1/16W M-Ox. PWB-A: DUNTK9806WEK5 (27L-S180, CL27S18) R2402 VRS-CY1JF101J J 100 1/16W M-Ox. R2403 VRD-MN2BE101J J 100 1/8W Carbon...
  • Page 34 27L-S100/27L-S180 CL27S10/CL27S18 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9806WEK4 (27L-S100, CL27S10) PWB-B: DUNTK9510WEK1 PWB-A: DUNTK9806WEK5 (27L-S180, CL27S18) CRT UNIT MAIN UNIT (Continued) HM618 LX-GZ3001PEZZ R Screw TRANSISTORS HM701 LX-GZ3001PEZZ R Screw Q851 VS2SC3198-Y-1...
  • Page 35 QCNW-0134MEZZ M Connecting Cord Not Available – Front Cabinet — QCNW-0166MEZZ M Connecting Cord GCOVA1033MEKA M Cover for R/C QCNW-0167MEZZ M Connecting Cord HBDGB1009MESA M Badge, "SHARP" QCNW-0239MEZZ M Connecting Cord JBTN-1096MEKA M Button, Power, Vol-up/down AD VSP0080PBL4YS M Speaker, (L) JBTN-1097MEKA...
  • Page 36: Packing Of The Set

    27L-S100/27L-S180 CL27S10/CL27S18 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING OF THE SET Polystyrene Bag Operation Manual Guarantee Card Infrared R/C Unit Batteries Polyethylene Sack Buffer Material FRONT Packing Case Serial Number Label Use 22 staples fix the packing case.
  • Page 37 27L-S100/27L-S180 CL27S10/CL27S18 Ref. No. Part No. Description Code Ref. No. Part No. Description Code...
  • Page 38 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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