Troubleshooting charts
- 22 -
No Power
(Standby Power : I801)
The Standby LED doesn't light up red.
Approximately 150VDC is to C806.
NO
Check if F801 is open.
Check D801 (bridge rectifier).
Check if voltages to PW15 is supplied to TV
micro-processor(I701).
Check the parts caused a short-circuit to
secondary circuits.
NO
Check the impedance value of between Source
and Drain to I801. If the value is near zero
Ω
,
I801 is dead. Replace I801.
The following waveform is to drain of I801.
320Vp-p
100KHz
NO
When pressing Power button, the color of Power
LED is green
END
Содержание DSC-34W70N
Страница 48: ...10 Circuit Diagram 47 10 1 Power Circuit...
Страница 49: ...48 Circuit Diagram 10 2 Main Circuit...
Страница 50: ...Circuit Diagram 49 10 3 Audio Circuit...
Страница 51: ...Circuit Diagram 50 10 4 3D Comb Filter Circuit...
Страница 52: ...Circuit Diagram 51 10 5 Main Video Circuit...
Страница 53: ...Circuit Diagram 52 10 6 Sub Video Circuit...
Страница 54: ...Circuit Diagram 53 10 7 Scan Rate Converter...
Страница 55: ...Circuit Diagram 54 10 8 RGB Processor...
Страница 56: ...Circuit Diagram 55 10 9 AV Circuit...
Страница 57: ...Circuit Diagram 56 10 10 Union Circuit...
Страница 59: ...11 Exploded View 58...
