CONFIDENTIAL
5 Troubleshooting
Notes: 1. Before troubleshooting, setup the PCOs display as below.
Y Resolution: 1280 x 1024
Y H-frequency: 64 kHz
Y V-frequency: 60 Hz
2. If no picture appears, make sure the power cord is correctly connected.
3. If you push and hold the EXIT button for more than 5 seconds, the monitor automatically turns back
to the factory preset.
5-1-1 No Power
G
When Pin 6 of CN102 is 0V
does proper DC 12V, 5V No
Change power Adaptor.
appear at Pin 1, 2 and 7 of
CN102 seperately?
Yes
Does proper DC 5 V appear at No
Check IC102 and related circuit.
Pin 3 of IC102?
Yes
Does proper DC 3.3 V appear at No
Check IC106 and related circuit.
Pin 3 of IC106?
Yes
Does proper DC 1.8 V appear NoCheck IC108
at Pin 4 of IC108?and related circuit.
G 0V means power on state.
GH17A*/GH17L***J5-1 |