Sharp 27SC26B, Руководство по обслуживанию

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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.
Page
»
ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
»
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
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LOCATION OF USER'S CONTROL ..................................................................................................... 4
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INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 5
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SERVICE ADJUSTMENT ..................................................................................................................... 9
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CHASSIS LAYOUT ............................................................................................................................. 12
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BLOCK DIAGRAM .............................................................................................................................. 13
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DESCRIPTION OF SCHEMATIC DIAGRAM
S
& WAVEFORMS ............
.
...........................................14
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SCHEMATIC DIAGRAMS ................................................................................................................... 15
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 22
»
PARTS LIST ........................................................................................................................................ 27
»
PACKING OF THE SET ...................................................................................................................... 3 6
CONTENTS
SPEAKER
SIZE .......................................................... 9 x 5 cm oval (2 pcs.)
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
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING ................................................................... 1 30 W
PICTURE SIZE .......................................... 2,187 cm 2 (339sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ...... 45.75 MHz (Analog Terrestrial)
Sound IF Carrier Frequency....... 41.25 MHz (Analog Terrestrial)
Color Sub-Carrier Frequency ..... 42.17 MHz (Analog Terrestrial)
(Nominal)
AUDIO POWER
OUTPUT RATING .............. 3.0W + 3.0W (at 10% distortion and
Dual CH Operate)
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODEL
SERVICE MANUAL
27SC26B
COLOR TELEVISION
Digital Terrestrial Broadcast (VHF/UHF) .......................2 thru 69
Chassis No. GB-3D(1W)
IF Center Frequency ........................ 44 MHz (Digital Terrestrial)
(EIA, Channel Plan U.S.A.)
27SC26 B