Proview 786PF service manual Work
Page 26
OSD DOES NOT No
WORK
Yes
| IC201 (19) | No | IC201(24) |
| OSD G | | | |
| 5V0-P? | | 7V ? |
| | Yes | | | |
| | | | |
| IC202 (3) | No | CHECK |
| |
| 5 V0-P? | | M703 |
| | BLK ? |
| | | |
| | Yes | | | |
| | | | |
| | | | |
| IC203 | No | CHECK |
| (8) | | | |
| 12 V ? | | 12V |
| | Yes | No | | |
| | | |
| | | | |
| IC201 | CHECK |
| |
| (10) | | | |
| 5 V ? | | IC201 |
| | Yes | | | |
| | | | |
| | | | |
| IC201 (7) | | CHECK I/P |
| 0.7VP-P? | | SIGNAL |
| | | |
IC201 | | | CHECK |
(19) | | | IC901 |
0.4 V ? | (32) |
ple : Missing Green |
Condition : OSD on
YesYes
CHECK
IC201
NoNo
Yes
26
