20J-S100/100S
CJ20S10/21MJ50
1
SERVICE MANUAL
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.
Specifications are subject to change without prior
notice.
20J-S100/S100S
CJ20S10
21MJ50
COLOR TELEVISION
Chassis No. SN-70
MODELS
?
CH
>
–
VOL +
POWER
MTS STEREO
VIDEO IN L- AUD
IO -R
ELECTRICAL SPECIFICATIONS
Page
»
ELECTRICAL SPECIFICATIONS ............................................................................................. 1
»
IMPORTANT SERVICE SAFETY PRECAUTION .................................................................... 2
»
LOCATION OF USER'S CONTROL ......................................................................................... 6
»
INSTALLATION AND SERVICE INSTRUCTIONS .................................................................... 7
»
CHASSIS LAYOUT ................................................................................................................ 13
»
BLOCK DIAGRAM ................................................................................................................. 14
»
SCHEMATIC DIAGRAMS ...................................................................................................... 15
»
PRINTED WIRING BOARD ASSEMBLIES ............................................................................ 21
»
REPLACEMENT PARTS LIST ............................................................................................... 29
»
PACKING OF THE SET ......................................................................................................... 37
CONTENTS
POWER INPUT ........................... 120 V AC 60 Hz
POWER RATING ........................................... 93W
PICTURE SIZE ..................... 1240cm
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 1.3+1.3W (at 10% distortion &
dual ch operate)
SPEAKER
SIZE ................................................ 8cm(Round)
VOICE COIL IMPEDANCE ....... 8ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF ............................ 75 ohm Unbalanced
TUNING RANGES
VHF-Channels ....................................... 2thru 13
UHF-Channels .................................... 14thru 69
CATV Channels ................................... 1thru 125
USA: (EIA, Channel Plan)
SHARP ELECTRONICS CORPORATION
Service Headquarters: Sharp Plaza, Mahwah, New Jersey 07430-2135
SHARP ELECTRONICS OF CANADA LTD.
335 Britannia Road East Mississauga, Ontario L4Z 1W9 Canada
SHARP CORPORATION
S77B620J-S100