Sharp 27U-S650, Service Manual

27U-S650

SERVICE MANUAL

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.

MODELS

27U-S650

SHARP CORPORATION

This document has been published to be used for after
sales service only.
The contents are subject to change without notice.

Page

»

 ELECTRICAL SPECIFICATIONS ......................................................................................................... 1

»

 IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2

»

 LOCATION OF USER'S CONTROL ..................................................................................................... 4

»

 INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 5

»

 SERVICE ADJUSTMENT .....................................................................................................................9

»

 CHASSIS LAYOUT ............................................................................................................................. 12

»

 BLOCK DIAGRAM .............................................................................................................................. 13

»

 SCHEMATIC DIAGRAMS ................................................................................................................... 14

»

 PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 23

»

 REPLACEMENT PARTS LIST ............................................................................................................ 28

»

 PACKING OF THE SET ...................................................................................................................... 39

CONTENTS

SPEAKER

SIZE .......................................................... 9 x 5 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 .................................................................. 126W

PICTURE SIZE ........................................... 2,187cm

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 .............. 3.0W + 3.0W (at 10% distortion and

Dual CH Operate)

Specifications are subject to change without
prior notice.

ELECTRICAL SPECIFICATIONS

COLOR TELEVISION

Chassis No. GB-1