Sharp 14LK14, Service Manual

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14LK
14
COLOR TELEVISION
Chassis No.
GA-1'
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.
»
ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
»
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
»
LOCATION OF USER'S CONTROL ..................................................................................................... 4
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INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 5
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CHASSIS LAYOUT ............................................................................................................................. 13
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BLOCK DIAGRAM .............................................................................................................................. 14
»
DESCRIPTION OF SCHEMATIC DIAGRAMS .................................................................................... 15
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PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 19
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REPLACEMENT PARTS LIST ............................................................................................................ 22
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PACKING OF THE SET ...................................................................................................................... 27
Page
CONTENTS
SERVICE MANUAL
MODEL
POWER INPUT ........................................ 110-
1
20 V AC 50/60 Hz
POWER RATING .................................................................... 53 W
PICTURE SIZE ........................................... 574cm
2
(88.97sq 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 ........................
...
........
1
W (at 10% distortion)
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ...........................................................
............
..
9
cm
x 5 cm
VOICE COIL IMPEDANCE ............................. 32 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
Specifications are subject to change without
prior notice.
SHARP CORPORATION
14LK14