20F630
CU20F630
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-2
Page
»
ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
»
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
»
LOCATION OF USER'S CONTROL ..................................................................................................... 6
»
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 7
»
SERVICE MODE ................................................................................................................................... 8
»
ADJUSTMENT METHOD ................................................................................................................... 13
»
CHASSIS LAYOUT ............................................................................................................................. 28
»
BLOCK DIAGRAM .............................................................................................................................. 30
»
DESCRIPTION OF SCHEMATIC DIAGRAM ...................................................................................... 40
»
WAVEFORMS ..................................................................................................................................... 41
»
SCHEMATIC DIAGRAMS ................................................................................................................... 42
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 52
»
REPLACEMENT PARTS LIST ............................................................................................................ 55
»
PACKING OF THE SET ...................................................................................................................... 62
CONTENTS
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.)
POWER INPUT ..................................................... AC 120 V, 60 Hz
POWER RATING .................................................................... 90W
PICTURE SIZE .......................................... 1,239 cm
2
(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
Color Sub-Carrier Frequency .................................... 42.17 MHz
(Nominal)
AUDIO POWER
OUTPUT RATING ........................................ 2.5 W(RMS) x 2pcs
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODELS
SERVICE MANUAL
20F630
CU20F630
S52J320U-FS1/
1st Edition
Содержание 20F630
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