Sharp 32C240, Service Manual

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32C240
32C241
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
COLOR TELEVISION
Chassis No. GB-3U (1W)
SERVICE MANUAL
S24O932C240//
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
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ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
»
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
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LOCATION OF USER'S CONTROL ..................................................................................................... 4
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INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 6
»
SERVICE ADJUSTMENT ................................................................................................................... 10
»
CHASSIS LAYOUT ............................................................................................................................. 12
»
BLOCK DIAGRAM .............................................................................................................................. 13
»
DESCRIPTION OF SCHEMATIC DIAGRAM & WAVEFORMS .......................................................... 14
»
SCHEMATIC DIAGRAMS ................................................................................................................... 15
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 22
»
REPLACEMENT PARTS LIST ............................................................................................................ 25
»
PACKING OF THE SET ...................................................................................................................... 33
CONTENTS
SPEAKER
SIZE ........................................................ 12 x 6 cm oval (2 pcs.)
VOICE COIL IMPEDANCE ............................ 16 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.)
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 135W
PICTURE SIZE .......................................... 3,073 cm
2
(476sq 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 .............. 3.0W + 3.0W (at 10% distortion and
Dual CH Operate)
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODELS
32C240
32C241
32C241 32C240