view past bulletins
Tech Tip of The Week
Model:
StudioWorks 57M
MB576BM Chassis CA66
| No Power (power indicator off) | ||
| Check fuse OK? |
 |
Trouble in F901 (Fuse) |
 |
||
| Check C907 Voltage? (AC120V: 170DC, AC220V:310VDC) | |
Trouble in D901, D902, D903, D904 |
|
||
| Check Ic901 Pin 3 waveform? | |
Trouble in IC901 |
|
||
| Check D922, D923, D930 Trouble in IC901 |
|
Trouble in D922, D923, D924, D930 |
| Trouble in OSD. | ||
| No OSD (Enter button must be pressed) |
|
Check signal cable connection and the signal sources. |
|
||
| Check IC301 PIN 5, 10 Waveform? | |
Trouble in IC601 PIN 8 (V-BLK), H-FBP line |
|
||
| Check IC301 Pin 13,14, 15? | |
Trouble in IC302, IC301 |
|
||
| Trouble in OSD Peripheral Circuit |
