Sharp 14LK14, Service Manual

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.

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 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

»

 CHASSIS LAYOUT ............................................................................................................................. 13

»

 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

»

 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