Sharp 27F830, Руководство по обслуживанию

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27F830
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
»
CHASSIS LAYOUT ............................................................................................................................. 13
»
BLOCK DIAGRAM .............................................................................................................................. 14
»
DESCRIPTION OF SCHEMATIC DIAGRAM ...................................................................................... 15
»
WAVEFORMS ..................................................................................................................................... 16
»
SCHEMATIC DIAGRAMS ................................................................................................................... 17
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 28
»
REPLACEMENT PARTS LIST ............................................................................................................ 33
»
PACKING OF THE SET ...................................................................................................................... 43
CONTENTS
SPEAKER
SIZE ........................................................ 12 x 6 cm oval (2 pcs.)
VOICE COIL IMPEDANCE ............................... 8 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 ....................................... 2,193.5 cm
2
(339sq 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 .............. 5.0W + 5.0W (at 10% distortion and
Dual CH Operate)
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODEL
SERVICE MANUAL
27F830
S13V827F830//