Troubleshooting charts
- 24 -
NO Power
Switch relay operation (Y802) is OK.
Check the parts caused a short-
circuit to secondary circuits.
Replace defective parts with
a new one.
NO
Supply 200VA to PW14.
R802 is OK.
ReplaceR802.
NO
NO
R807 and R852 are OK.
Replace R807 or R852.
NO
Q801, D810 are OK.
Replace Q801, D810.
NO
Check I803.
Supply 200VB to PA14M.
R823 and R853 are OK.
Replace R823 or R853.
NO
NO
Q802, D815 are OK.
Replace Q802, D815.
NO
Check I805.
END
Summary of Contents for DSC-34W70N
Page 48: ...10 Circuit Diagram 47 10 1 Power Circuit...
Page 49: ...48 Circuit Diagram 10 2 Main Circuit...
Page 50: ...Circuit Diagram 49 10 3 Audio Circuit...
Page 51: ...Circuit Diagram 50 10 4 3D Comb Filter Circuit...
Page 52: ...Circuit Diagram 51 10 5 Main Video Circuit...
Page 53: ...Circuit Diagram 52 10 6 Sub Video Circuit...
Page 54: ...Circuit Diagram 53 10 7 Scan Rate Converter...
Page 55: ...Circuit Diagram 54 10 8 RGB Processor...
Page 56: ...Circuit Diagram 55 10 9 AV Circuit...
Page 57: ...Circuit Diagram 56 10 10 Union Circuit...
Page 59: ...11 Exploded View 58...
