Sharp 25K-M100, Руководство по обслуживанию

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25K-S100/180/S100/S180
CK25M10,CK25S18
SERVICE MANUAL
COLOR TELEVISION
Chassis No. SN-81
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.
S20L625K-M100
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ELECTRICAL SPECIFICATIONS ........................................................................................................ 1
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IMPORTANT SERVICE SAFETY PRECAUTION ............................................................................... 2
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LOCATION OF USER'S CONTROL .................................................................................................... 6
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INSTALLATION AND SERVICE INSTRUCTIONS ............................................................................ 10
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CHASSIS LAYOUT ........................................................................................................................... 16
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BLOCK DIAGRAM ............................................................................................................................ 19
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SCHEMATIC DIAGRAMS ................................................................................................................. 22
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PRINTED WIRING BOARD ASSEMBLIES ....................................................................................... 37
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REPLACEMENT PARTS LIST .......................................................................................................... 42
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PACKING OF THE SET .................................................................................................................... 57
Page
POWER INPUT ................................................... 120 V AC 60 Hz
POWER RATING .................................................................. 115 W
PICTURE SIZE ........................................... 2,032cm
2
(315sq 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
25K-M100/180, CK25M10 .. 1.3W +1.3W (at 10% distortion and
Dual CH Operate)
25K-S100/180, CK25S18 ............... 1.3W (at 10% distortion and
Dual CH Operate)
Specifications are subject to change without
prior notice.
SPEAKER
SIZE ...................................................................... 8 cm (Round)
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.)
25K-S100/180
CK25S18
25K-M100/180
CK25M10
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
ELECTRICAL SPECIFICATIONS
CONTENTS
25K-M100/180, 25K-S100/180
CK25M10, CK25S18
MODELS