Sharp 21FL84, Руководство по обслуживанию

Страница: 1 / 33

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. GA-4
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 ................................................................................................................... 12
»
CHASSIS LAYOUT................................................................................................................................ 15
»
BLOCK DIAGRAM.............................................................................................................................. 16
»
DESCRIPTION OF SCHEMATIC DIAGRAMS & WAVEFORMS........................................................ 19
»
SCHEMATIC DIAGRAMS ................................................................................................................... 20
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 23
»
REPLACEMENT PARTS LIST ............................................................................................................ 26
»
PACKING OF THE SET ...................................................................................................................... 31
CONTENTS
SPEAKER
SIZE ................................................................... 12 x 5 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.)
POWER INPUT ....................................... AC 110~220 V, 50/60 Hz
POWER RATING .................................................................... 88W
PICTURE SIZE .......................................... 1,239 cm 2 (192sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS .................................................. QFP/UNI-B1 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 ........................................ 3.0 W(RMS) x 2pcs
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODEL
SERVICE MANUAL
21FL84
21FL84