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DESCRIPTION OF SCHEMATIC DIAGRAM
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,
therefore there may be slight difference
from yours.
Power circuit drive. Q701 Drain
1
V. Division: 100V / Sec. Division: 5uS
V-output. F 5pin
4
V. Division: 10V / Sec. Division: 5mS
H-sync. IC1001 19pin
7
V. Division: 1V / Sec. Division: 20uS
» (
) ARE
!
H-output. Q601 colector
2
V. Division: 200V / Sec. Division: 20uS.
V-output. F 4pin
5
V. Division: 2.0V / Sec. Division: 5mS
V-sync. IC1001 24pin
V. Division: 1V / Sec. Division: 5mS
8
21
NOTE:
1. The unit of resistance «ohm»is omitted (K=1000
ohms. M= Megaohm).
2. All resistors are 1/8 watt. unless otherwise noted.
µ
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
HAZARD OF ELECTRIC SHOCK.
WAVEFORM MEASUREMENT CONDITION:
Colour bar genetator signal of 70 dB from RF input.
H-drive. Q601 Base
3
Video out. IC201 54pin
6
Red cathode CRT socket 8pin
9
54GT-25S
)
V. Division: 2.0V / Sec. Division: 20uS
V. Division: 1V / Sec. Division: 20uS
V. Division: 20V / Sec. Division: 20uS
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