20F650
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 ..................................................................................................... 6
»
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 7
»
SERVICE MODE .................................................................................................................................. 8
»
ADJUSTMENT METHOD ................................................................................................................... 14
»
CHASSIS LAYOUT ............................................................................................................................. 28
»
BLOCK DIAGRAM .............................................................................................................................. 29
»
WAVEFORMS ..................................................................................................................................... 33
»
DESCRIPTION OF SCHEMATIC DIAGRAM ...................................................................................... 34
»
SCHEMATIC DIAGRAMS ................................................................................................................... 35
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 39
»
REPLACEMENT PARTS LIST ............................................................................................................ 43
»
PACKING OF THE SET ...................................................................................................................... 49
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 120 V, 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 ........................................ 2.5 W(RMS) x 2pcs
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODEL
SERVICE MANUAL
20F650
S35F420F650//
/
Содержание 21FL94
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Страница 33: ...33 20F650 WAVEFORMS ...
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Страница 36: ...36 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 20F650 SCHEMATIC DIAGRAM MAIN Unit ...
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Страница 38: ...38 6 5 4 3 2 1 A B C D E F G H 20F650 SCHEMATIC DIAGRAM MTS Unit ...
Страница 39: ...39 6 5 4 3 2 1 A B C D E F G H 20F650 PWB B CRT Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES ...
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