Sharp 15JF-25S Panduan Servis - Halaman 21

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1. Table of Contents

15JF-25S

Description

SAFETY NOTE:

1. DISCONNECT THE AC PLUG FROM THE AC

OUTLET BEFORE REPLACING PARTS.

2. SEMICONDUCTOR HEAT SINKS SHOULD BE

REGARDED AS POTENTIAL SHOCK HAZARDS

WHEN THE CHASSIS IS OPERATING.

IMPOTANT SAFETY NOTE:

PARTS MARKED WITH «

IMPORTANT FOR MAINTAINING THE SAFETY

OF THE SET. BE SURE TO REPLACE THESE

PARTS WITH SPECIFIED ONES FOR MAINTAIN-

ING THE SAFETY AND PERFORMANCE OF THE

SET.

CAUTION

This circuit diagram is original one, there-

fore there may be slight difference from

yours.

Waveforms

SCHEMATIC DIAGRAMS

» (

) ARE

NOTE:

1. The unit of resistance «ohm»is omitted (K=1000

ohms. M= Megaohm).

2. All resistors are 1/16 watt. unless otherwise noted.

3. All capacitors are

F, unless otherwise noted (P=

µµ

F).

4. The capacitor with Part No. RC-FZ9XXXBMNJ is

designed to with stand 63V.

5. The capacitor with Part No. RC-FZ4XXXBMNJ is

designed to with stand 50V.

SERVICE PRECAUTION:

THE AREA ENCLOSED BY THIS LINE (

IS DIRECTLY CONNECTED WITH AC MAINS

VOLTAGE.

WHEN SERVICING THE AREA, CONNECT AN

ISOLATING TRANSFORMER BETWEEN TV

RECEIVER AND AC LINE TO ELIMINATE HAZ-

ARD OF ELECTRIC SHOCK.

WAVEFORM MEASUREMENT CONDITION:

Colour bar generator signal of 70 dB from RF input.

)