CONFIDENTIAL
GH17A*/GH17L***J
5-1
5 Troubleshooting
Notes:
1. Before troubleshooting, setup the PC’s display as below.
• Resolution: 1280 x 1024
• H-frequency: 64 kHz
• 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
When Pin 6 of CN102 is 0V
does proper DC 12V, 5V
appear at Pin 1, 2 and 7 of
CN102 seperately?
Change power Adaptor.
Yes
No
Does proper DC 5 V appear at
Pin 3 of IC102?
Check IC102 and related circuit.
Yes
No
Does proper DC 3.3 V appear at
Pin 3 of IC106?
Check IC106 and related circuit.
No
Yes
Does proper DC 1.8 V appear
at Pin 4 of IC108?
Check IC108
and related circuit.
No
❇
❇
0V means power on state.
Summary of Contents for SyncMaster 171N
Page 7: ...CONFIDENTIAL 2 Product Specifications 2 4 GH17A GH17L J Memo ...
Page 11: ...Memo 3 Disassembly and Reassembly 3 4 GH17A GH17L J CONFIDENTIAL ...
Page 15: ...Memo 4 Alignments and Adjustments 4 4 GH17A GH17L J CONFIDENTIAL ...
Page 19: ...CONFIDENTIAL 5 Troubleshooting 5 4 GH17A GH17L J WAVEFORMS 1 2 5 6 3 4 ...
Page 20: ...6 Exploded View and Parts List 6 1 GH17A CONFIDENTIAL GH17A GH17L J 6 1 ...
Page 21: ...CONFIDENTIAL 6 Exploded View Parts List 6 2 GH17A GH17L J 6 2 GH17L J ...
Page 38: ...CONFIDENTIAL GH17A GH17L J 8 1 8 Block Diagram ...
Page 39: ...CONFIDENTIAL 8 Block Diagrams 8 2 GH17A GH17L J Memo ...
Page 40: ...CONFIDENTIAL GH17A GH17L J 9 1 9 Wiring Diagram CN1 GH17A CN101 GH17L J ...
Page 41: ...Memo 9 Wiring Diagram 9 2 GH17A GH17L J CONFIDENTIAL ...
Page 44: ...10 Schematic Diagrams GH17A GH17L J 10 3 CONFIDENTIAL 1 2 3 4 5 6 ...
Page 47: ...10 Schematic Diagrams 10 6 GH17A GH17L J CONFIDENTIAL 1 2 3 4 5 6 ...
Page 49: ...Memo 10 Schematic Diagrams 10 8 GH17A GH17L J CONFIDENTIAL ...
