4 Troubleshooting
4 Troubleshooting
4-1 No Power
There is no light in the power indicator.
Does proper DC 14 V
1appear at Pin 1,2,5
of CN600?
Yes
Does proper DC 5V
2appear at Output of
IC302?
Yes
No
No
Check the IP Board.
Check the IC302
| Does proper DC 3.3V | No | ||
| appear at |
| ||
3 |
| |||
| ||||
| Pin 3 of the IC600? |
| ||
|
| |||
|
| Yes |
| |
|
|
| ||
|
|
|
| |
| Does proper DC 1.8V | No | ||
4 | appear at | |||
| ||||
|
Pin 2 of the IC602?
Yes
Check the IC600.
Check the IC602.
Check IC200 and IC301.