Read Sharp 66GS-62 (serv.man3) Service Manual online
13
66GS-62H
DESCRIPTION OF SCHEMATIC DIAGRAM
SAFETY NOTE:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
NOTE:
1. The unit of resistance «ohm»is omitted (K=1000
1. The unit of resistance «ohm»is omitted (K=1000
ohms. M= Megaohm).
2. All resistors are 1/8 watt. unless otherwise noted.
3. All capacitors are mF, unless otherwise noted
3. All capacitors are mF, unless otherwise noted
(P= mmF).
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.
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.
WAVEFORMS MEASUREMENT:
1. TEST EQUIPMENT: Digital Oscilloscope (Tektronix TDS 3012).
2. TEST CONDITIONS: PAL B/G full colour bar, 1KHz sinewave (volume regulation 50%).
Note: Waveforms 8 and 11 should be taken with the TV set in Stand-by mode.
Red in
1
Green in
2
Blue in
3
!
IMPORTANT SAFETY NOTE:
PARTS MARKED WITH «
» (
) ARE
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.
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, therefore there may be light difference
from yours.
This circuit diagram is original one, therefore there may be light difference
from yours.
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