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.

4-1

Page 28
Image 28
Samsung 205BW service manual Troubleshooting, No Power