Sharp 20F550 Instrukcja serwisowa

Przeglądaj online lub pobierz pdf Instrukcja serwisowa dla TV Sharp 20F550. Sharp 20F550 37 stron. Color television

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

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

» SERVICE MODE .................................................................................................................................. 6

» ADJUSTMENT METHOD ..................................................................................................................... 7

» CHASSIS LAYOUT ............................................................................................................................. 15

» BLOCK DIAGRAM .............................................................................................................................. 16

» WAVEFORMS ..................................................................................................................................... 20

» DESCRIPTION OF SCHEMATIC DIAGRAM ...................................................................................... 21

» SCHEMATIC DIAGRAMS ................................................................................................................... 22

» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 26

» REPLACEMENT PARTS LIST ............................................................................................................ 30

» PACKING OF THE SET ...................................................................................................................... 36

POWER INPUT .................................................... AC 120 V, 60 Hz

POWER RATING .................................................................... 88W

PICTURE SIZE .......................................... 1,239 cm

CONVERGENCE ............................................................. Magnetic

SWEEP DEFLECTION .................................................... Magnetic

FOCUS .................................................. QFP/UNI-B1 Electrostatic

INTERMEDIATE FREQUENCIES

Picture IF Carrier Frequency ..................................... 45.75 MHz

Sound IF Carrier Frequency ...................................... 41.25 MHz

Color Sub-Carrier Frequency .................................... 42.17 MHz

AUDIO POWER

OUTPUT RATING ........................................ 2.5 W(RMS) x 2pcs

SHARP CORPORATION

SERVICE MANUAL

MODEL

CONTENTS

ELECTRICAL SPECIFICATIONS

SPEAKER

SIZE ................................................................... 12 x 5 cm, 2pcs

(192sq inch)

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

(Nominal)

Specifications are subject to change without

prior notice.

This document has been published to be used for after

sales service only.

The contents are subject to change without notice.

COLOR TELEVISION

Chassis No. GA-4

20F550

(EIA, Channel Plan U.S.A.)

S64T921FL94//

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