Sharp 20R-S100S Manuel de service

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1
20R-S100S
COLOR TELEVISION
Chassis No. SN-010
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.
S21P120R-S100
» ELECTRICAL SPECIFICATIONS .........................................................................................................1
» IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................2
» LOCATION OF USER'S CONTROL .....................................................................................................4
» INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................5
» CHASSIS LAYOUT ............................................................................................................................. 11
» BLOCK DIAGRAM ..............................................................................................................................12
» SCHEMATIC DIAGRAMS ...................................................................................................................13
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................19
» REPLACEMENT PARTS LIST ............................................................................................................22
» PACKING OF THE SET ......................................................................................................................29
Page
SHARP CORPORATION
CONTENTS
SERVICE MANUAL
POWER INPUT .................................................... AC 120 V, 60 Hz
POWER RATING ................................................................... 74 W
PICTURE SIZE ........................................... 1,240cm
2
(192sq inch)
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
(Nominal)
AUDIO POWER
OUTPUT RATING ..................... 1.5W + 1.5W (at 10% distortion
and Dual CH Operate)
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ...................................................................... 8 cm (Round)
VOICE COIL IMPEDANCE ............................ 32 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
(EIA, Channel Plan U.S.A.)
MODEL
20R-S100S
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
Specifications are subject to change without
prior notice.
MTS STEREO
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Résumé du contenu

Page 1 - 20R-S100S

120R-S100SCOLOR TELEVISIONChassis No. SN-010In the interests of user-safety (Required by safety regulations in some countries) the set should be resto

Page 2

1020R-S100SËMTS ADJUSTMENTMTS Level Adjustment1. Feed the following monaural signal to pin (14) ofIC3001.Monaural signal : 300Hz, 245mVrms2. Connect t

Page 3 - (Fire & Shock Hazard)

11654321AB CDEFGH20R-S100SCHASSIS LAYOUT

Page 4 - Front Panel

12654321AB CDEFGH20R-S100SBLOCK DIAGRAM

Page 5 - HIGH VOLTAGE CHECK

13654321AB CDEFGH20R-S100SDESCRIPTION OF SCHEMATIC DIAGRAMNOTES:1. The unit of resistance "ohm" is omitted.(K=kΩ=1000Ω, M=MΩ)2. All resistor

Page 6 - 2. Service number selection

151420R-S100S121110987654321ABCDEFGHCOMBINATIONIC201 RH-iX3354CEZZ RH-iX3354CEN1C211 VCKYCY1HB102K(1000p)C301 VCCCCY1HH470J(47p) VCCCCY1HH220J(22p)C30

Page 7 - FIX VALUE

171620R-S100S121110987654321ABCDEFGHSCHEMATIC DIAGRAM: MTS MODULE Unit

Page 8

18654321AB CDEFGH20R-S100SSCHEMATIC DIAGRAM: CRT Unit

Page 9 - 2.35 Vdc

19654321AB CDEFGH20R-S100SPWB-B: CRT Unit (Wiring Side) PWB-B: CRT Unit (Chip Parts Side)PWB-E: MTS MODULE Unit(Wiring Side)PWB-E: MTS MODULE Unit(Chi

Page 10 - MTS ADJUSTMENT

20654321AB CDEFGH20R-S100SPWB-A: MAIN Unit (Wiring Side)

Page 11 - CHASSIS LAYOUT

21654321AB CDEFGH20R-S100SPWB-A: MAIN Unit (Chip Parts Side)

Page 12 - BLOCK DIAGRAM

220R-S100SIMPORTANT SERVICE SAFETY PRECAUTIONService work should be performed only by qualified service technicians who are thoroughlyfamiliar with al

Page 13 - WAVEFORMS

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code2220R-S100SPARTS LISTPARTS REPLACEMENTReplacement parts which have these spec

Page 14 - SCHEMATIC DIAGRAM: MAIN Unit

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code2320R-S100SDIODESD52 RH-EX0676GEZZ J Zener Diode, 32V AAD101 RH-EX0616GEZZ J

Page 15

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code2420R-S100SC451 VCQYTA1HM563K J 0.056 50V Mylar ABC454 VCEA0A1HW475M J 4.7 50

Page 16 - SCHEMATIC DIAGRAM: CRT Unit

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code2520R-S100SR404 VRD-RA2BE102J J 1.0k 1/8W Carbon AAR411 VRS-CY1JF684J J 680k

Page 17

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code2620R-S100SPWB-B: DUNTKA359WEW2CRT UNITTRANSISTORSQ852 VSBF422////-1 J BF422

Page 18

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code2720R-S100SPWB-E : DUNTKA070WEV2MTS MODULE UNITINTEGRATED CIRCUITSIC3001 VHiC

Page 19

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code2820R-S100SåACC701QACCD3064CESA J AC Cord AM orQACCD3060CESA

Page 20 - PARTS LIST

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code2920R-S100SPACKING OF THE SET★ Packing CaseFRONT★ Buffer Material★ Wrapping P

Page 21 - PWB-A: DUNTKA358WEW2

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code3020R-S100SCOPYRIGHT © 2001 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part o

Page 22

320R-S100SSAFETY NOTICEMany electrical and mechanical parts in televisionreceivers have special safety-related characteristics.These characteristics a

Page 23

420R-S100SLOCATION OF USER'S CONTROL1 2 34 5 67 8 90100POWERTVDVDVCRMENU MUTEPAUSEFLASHBACKDISPLAYINPUTTV • CATV • VCR • DVDSTOP RECREW PLAY FFCH

Page 24 - PWB-B: DUNTKA359WEW2

520R-S100SCIRCUIT PROTECTIONThe receiver is protected by a 4.0A fuse (F701),mounted on PWB-A, wired into one side of the ACline input.X-RADIATION PROT

Page 25 - PWB-E : DUNTKA070WEV2

620R-S100SFor 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

Page 26 - CABINET PARTS

720R-S100SBelow are the adjustments ranges and initial values for FIX VALUE category.FIX VALUEF01 OPTION 1 00-FF B3 B3F02 OPTION 2 00-FF 07 05F03 E-SA

Page 27 - PACKING OF THE SET

820R-S100SM01 MS LEVEL 00-0F 0AM02 MTS-VCO 00-3F 20M03 FILTER 00-3F 1CM04 LOW SEPARATION 00-3F 20M05 HIGH SEPARATION 00-3F 1BSERVICEPOSITIONADJUST ITE

Page 28

920R-S100SWhite Balance Adjustment1. Receive a good local channel.2. Select the service adjustment "S12" and set the datavalue to "00&q

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