Sharp 14D1-W Servicehandleiding - Pagina 26

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14D1-S/G/W

14D2-S/G

DESCRIPTION OF SCHEMATIC DIAGRAM

SAFETY NOTES:

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 OP-

ERATING.

IMPORTANT SAFETY NOTICE:

PARTS MARKED WITH "

MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE

THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE

SAFETY AND PERFORMANCE OF THE SET.

SERVICE PRECAUTION:

THE AREA ENCLOSED BY THIS LINE (

CONNECTED WITH AC MAINS VOLTAGE.

WHEN SERVICING THE AREA, CONNECT AN ISOLATING TRANS-

FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE

HAZARD OF ELECTRIC SHOCK.

" (

) ARE IMPOTANT FOR

—– - —–

) IS DIRECTLY

NOTES:

1. The unit of resistance "ohm" is omitted.

(K = 1000 ohms, M = Mega ohm).

2. All resistors are 1/10 watt, unless otherwise noted.

3. All capacitors are

F, unless otherwise noted. (P =

1. Voltages in parenthesis measured with no signal.

2. Voltages without parenthesis measured with 3mV B & W or Col-

our signal.

3. All the voltages in each point are measured with VTVM.

1. The colour bar generator signal of 2.0V peak applied at of Base

Video Buffer Amp. Q252.

2. Approximately 4V AGC bias .

µµ

F).