Sharp 32C231 Service Manual Download

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C231

SHARP CORPORATION

This document has been published to be used for after
sales service only.
The contents are subject to change without notice.

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.

COLOR TELEVISION

Chassis No. GB-3U

Page

ELECTRICAL SPECIFICATIONS .........................................................................................................1

IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................2

LOCATION OF USER'S CONTROL .....................................................................................................4

INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................5

SERVICE ADJUSTMENT ...................................................................................................................10

WAVEFORMS .....................................................................................................................................13

CHASSIS LAYOUT .............................................................................................................................14

BLOCK DIAGRAM ..............................................................................................................................15

DESCRIPTION OF SCHEMATIC DIAGRAMS ...................................................................................16

SCHEMATIC DIAGRAMS ...................................................................................................................17

PRINTED WIRING BOARD ASSEMBLIES ........................................................................................26

REPLACEMENT PARTS LIST ............................................................................................................30

PACKING OF THE SET ......................................................................................................................39

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 ............................................ 3073cm

(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

MODEL

SERVICE MANUAL

32C

231

POWER