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Sharp 19L-M100 Service Manual
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Sharp 19L-M100 Service Manual

Sharp 19L-M100 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 ................................................................................ 7
» CHASSIS LAYOUT ............................................................................................................................ 12
» BLOCK DIAGRAM ............................................................................................................................. 13
» SCHEMATIC DIAGRAMS .................................................................................................................. 14
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 18
» REPLACEMENT PARTS LIST ........................................................................................................... 23
» PACKING OF THE SET ..................................................................................................................... 35
POWER INPUT ................................ 120 V AC 60 Hz
POWER RATING
19L-M100 ....................................................... 82 W
19L-M100S, CL19M10, 20ML10 .................... 84 W
PICTURE SIZE ....................... 1,194cm
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
COLOR TELEVISION
19L-M100, CL19M10
19L-M100S, 20ML10
MODELS
CONTENTS

ELECTRICAL SPECIFICATIONS

AUDIO POWER
OUTPUT RATING ........... 0.9 W (at 10% distortion)
SPEAKER
SIZE .................................................. 8 cm (Round)
2
(185sq 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
Chassis No. SN-80
(EIA, Channel Plan U.S.A.)
19L-M100, CL19M10
19L-M100S, 20ML10
S59G719L-M100
Page

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Summary of Contents for Sharp 19L-M100

  • Page 1: Table Of Contents

    POWER INPUT ........ 120 V AC 60 Hz AUDIO POWER POWER RATING OUTPUT RATING ... 0.9 W (at 10% distortion) 19L-M100 ............82 W SPEAKER 19L-M100S, CL19M10, 20ML10 ....84 W SIZE ..........8 cm (Round) PICTURE SIZE ....... 1,194cm (185sq inch) VOICE COIL IMPEDANCE ...

  • Page 2: Important Service Safety Precaution

    19L-M100, CL19M10 19L-M100S, 20ML10 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 19L-M100, CL19M10 19L-M100S, 20ML10 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 19L-M100, CL19M10 19L-M100S, 20ML10 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 19L-M100, CL19M10 19L-M100S, 20ML10 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

    19L-M100, CL19M10 19L-M100S, 20ML10 LOCATION OF USER'S CONTROL...

  • Page 7: Installation And Service Instructions

    19L-M100, CL19M10 19L-M100S, 20ML10 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.
  • Page 8 19L-M100, CL19M10 19L-M100S, 20ML10 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 9 19L-M100, CL19M10 19L-M100S, 20ML10 DATA SERVICE ADJUSTMENT ITEM ADJUSTMENT CONTENTS NUMBER RANGE INITIAL VALUE PICTURE 00-7F TINT 00-7F COLOR 00-7F BRIGHTNESS 00-7F SHARPNESS 00-3F Must be set to "24" VERTICAL PHASE 00-07 Must be set to "00" ~ "03" HORIZONTAL PHASE...
  • Page 10 19L-M100, CL19M10 19L-M100S, 20ML10 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 11 19L-M100, CL19M10 19L-M100S, 20ML10 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 12: Chassis Layout

    19L-M100, CL19M10 19L-M100S, 20ML10 CHASSIS LAYOUT Ë 19L-M100 Ë 19L-M100S, CL19M10, 20ML10 PWB-B PWB-B PWB-A...

  • Page 13: Block Diagram

    19L-M100, CL19M10 19L-M100S, 20ML10 BLOCK DIAGRAM...

  • Page 14: Schematic Diagrams

    19L-M100, CL19M10 19L-M100S, 20ML10 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 15 19L-M100, CL19M10 19L-M100S, 20ML10 SCHEMATIC DIAGRAM: CRT UNIT Ë 19L-M100 Ë 19L-M100S, CL19M10, 20ML10...
  • Page 16 19L-M100, CL19M10 19L-M100S, 20ML10 SCHEMATIC DIAGRAM: MAIN Unit...
  • Page 17 19L-M100, CL19M10 19L-M100S, 20ML10...

  • Page 18: Printed Wiring Board Assemblies

    19L-M100, CL19M10 19L-M100S, 20ML10 PRINTED WIRING BOARD ASSEMBLIES Ë 19L-M100 PWB-A: MAIN Unit (Wiring Side)
  • Page 19 19L-M100, CL19M10 19L-M100S, 20ML10 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 20 19L-M100, CL19M10 19L-M100S, 20ML10 Ë 19L-M100S, CL19M10, 20ML10 PWB-A: MAIN Unit (Wiring Side)
  • Page 21 19L-M100, CL19M10 19L-M100S, 20ML10 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 22 19L-M100, CL19M10 19L-M100S, 20ML10 Ë 19L-M100 PWB-B: CRT Unit (Wiring Side) PWB-B: CRT Unit (Chip Parts Side) Ë 19L-M100S, CL19M10, 20ML10 PWB-B: CRT Unit (Wiring Side) PWB-B: CRT Unit (Chip Parts Side)

  • Page 23: Replacement Parts List

    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 MARQUE : SECTION LIVRAISON DES PIECES DE RECHANGE...
  • Page 24 19L-M100, CL19M10 19L-M100S, 20ML10 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A : DUNTK9529WEV6 (19L-M100) D2001 VHD1SS119//-1 J Diode MAIN UNIT (Continued) PACKAGED CIRCUITS å PR701 RMPTP0026CEZZ J Packaged Circuit Q603 VS2SC945AQ/-1 J 2SC945 X801...
  • Page 25 Part No. Description Code Ref. No. Part No. Description Code C757 RC-QZA104TAYK J 0.1 Mylar PWB-A : DUNTK9529WEV6 (19L-M100) C758 VCEAGA2EW106M J 10 250V EL. å MAIN UNIT (Continued) C760 VCEAGA1CW108M J 1000 16V C801 RC-QZA223TAYK J 0.022 50V Mylar...
  • Page 26 Ref. No. Part No. Description Code Ref. No. Part No. Description Code R634 VRD-RM2HD121J J 120 1/2W Carbon PWB-A : DUNTK9529WEV6 (19L-M100) R641 VRS-VV3AB682J J 6.8k 1W M-Ox. å MAIN UNIT (Continued) R642 VRD-RA2BE821J J 820 1/8W Carbon R651 VRD-RM2HD1R0J J 1.0...
  • Page 27 Ref. No. Part No. Description Code Ref. No. Part No. Description Code HM718 LX-GZ3001PEZZ R Screw PWB-A : DUNTK9529WEV6 (19L-M100) HM719 LX-GZ3001PEZZ R Screw MAIN UNIT (Continued) HM720 LX-GZ3001PEZZ R Screw HM722 LX-GZ3002PEZZ R Screw R2064 VRD-RA2BE332J J 3.3k 1/8W...
  • Page 28 19L-M100, CL19M10 19L-M100S, 20ML10 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A : DUNTK9532WEV4 (19L-M100S) RH-DX0110CEZZ PWB-A : DUNTK9532WEV5 (CL19M10) D502 RH-DX0131CEZZ J Diode å PWB-A : DUNTK9532WEV6 (20ML10) D601 RH-DX0441CEZZ J Diode MAIN UNIT...
  • Page 29 19L-M100, CL19M10 19L-M100S, 20ML10 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A : DUNTK9532WEV4 (19L-M100S) C451 RC-QZA563TAYK J 0.056 50V Mylar C454 VCEA0A1HW475M J 4.7 PWB-A : DUNTK9532WEV5 (CL19M10) C502 VCEA0A1EW477M J 470 PWB-A : DUNTK9532WEV6 (20ML10)
  • Page 30 19L-M100, CL19M10 19L-M100S, 20ML10 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A : DUNTK9532WEV4 (19L-M100S) R301 VRD-RA2BE222J J 2.2k 1/8W Carbon R302 VRS-CY1JF102J J 1.0k 1/16W M-Ox. PWB-A : DUNTK9532WEV5 (CL19M10) R303 VRS-CY1JF153J J 15k 1/16W M-Ox.
  • Page 31 19L-M100, CL19M10 19L-M100S, 20ML10 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A : DUNTK9532WEV4 (19L-M100S) R2067 VRS-CY1JF103J J 10k 1/16W M-Ox. R2068 VRS-CY1JF103J J 10k 1/16W M-Ox. PWB-A : DUNTK9532WEV5 (CL19M10) R2070 VRS-CY1JF103J J 10k 1/16W M-Ox.
  • Page 32 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A : DUNTK9532WEV4 (19L-M100S) PWB-B : DUNTK9530WEV6 (19L-M100) PWB-A : DUNTK9532WEV5 (CL19M10) CRT UNIT PWB-A : DUNTK9532WEV6 (20ML10) TRANSISTORS MAIN UNIT (Continued) Q852 VS2SC2229O/1E J 2SC2229 (O) Q854...
  • Page 33 J 2SA1266 (Y) (20ML10) Not Available – Front Cabinet — VS2SA1015Y/1E GCOVA0003GJSA X Cover for R/C DIODES HBDGB1001GJSA X Badge, "SHARP" JBTN-0003GJSA X Button You can substitute "RH-DX0045GEZZ" or "VHD-DX0446CEZZ" for "VHD1SS119//-1". GCABB0003GJKA X Rear Cabinet D881 VHD1SS119//-1 J Diode...
  • Page 34 19L-M100, CL19M10 19L-M100S, 20ML10 Ref. No. Part No. Description Code Ref. No. Part No. Description Code MISCELLANEOUS PARTS ACC701 QACCD3064CESA M AC Cord å QACCD3060CESA QCNW-2110PEZZ R Connecting Cord (19L-M100) QCNW-2111PEZZ R Connecting Cord QCNW-2112PEZZ R Connecting Cord QCNW-2160PEZZ R Connecting Cord...

  • Page 35: Packing Of The Set

    Code Ref. No. Part No. Description Code PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C Unit Guarantee Card (19L-M100/M100S) Dipole Antenna (20ML10) Antenna Adaptor (20ML10) Polyethylene Cover Batteries Buffer Material FRONT Packing Case Use tape to fix the top side of packing case.
  • Page 36 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.

This manual is also suitable for:

Cl19m1019l-m100s20ml10

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