Manual Sharp 21Lf96

21FL96

SERVICE MANUAL
COLOR TELEVISION

Chassis No. GA-4 1W

MODELS

21FL96

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.

CONTENTS

Page
» ELECTRICAL SPECIFICATIONS......................................................................................................... 1
» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
» LOCATION OF USER'S CONTROL ..................................................................................................... 4
» INSTALLATION AND SERVICE INSTRUCTIONS................................................................................5
» SERVICE MODE ................................................................................................................................... 6
» ADJUSTMENT METHOD ..................................................................................................................... 7
» CHASSIS LAYOUT............................................................................................................................. 12
» BLOCK DIAGRAM .............................................................................................................................. 13
» DESCRIPTION OF SCHEMATIC DIAGRAMS & WAVEFORMS........................................................ 17
» SCHEMATIC DIAGRAMS................................................................................................................... 18
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 22
» REPLACEMENT PARTS LIST ............................................................................................................ 26
» PACKING OF THE SET...................................................................................................................... 32

ELECTRICAL SPECIFICATIONS
POWER INPUT ......................................... AC 110 /120V, 50/60 Hz
POWER RATING .................................................................... 90W
PICTURE SIZE .......................................... 1,239 cm2 (192sq inch)
CONVERGENCE............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ................................................................................. Uni-Bi
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 45.75 MHz
Sound IF Carrier Frequency ...................................... 41.25 MHz
ColorSub-Carrier Frequency .................................... 42.17 MHz
(Nominal)
AUDIO POWER
OUTPUT RATING ........................................... 4 W(RMS) x 2pcs

SHARP CORPORATION

SPEAKER
SIZE ................................................................... 5 x 12 cm, 2pcs
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.)

Specifications are subject to changewithout
prior notice.

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

21FL96

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...