HP L1702/FP7317 Service Manual
Page 39 of 143
9.2.2 Inverter / Power Board
1.) No power
Check to CN102
Pin12=12V
Check Interface board
NG
Check AC line volt 110V
or 220V
NG
OK
Check AC line
Check the voltage of C904(+)
Check F901,bridge rectified circuit
NG
Check start voltage for the pin3 of IC901
Check R906,R907, IC901
NG
Check the auxiliary voltage Is between 10v-16v
1) Check IC901,
2) Check Q901,Q902…OVP circuit
NG
OK
Check D910,D911, ZD904
OK
OK
OK
NG
Summary of Contents for Compaq F7317
Page 17: ...HP L1702 FP7317 Service Manual Page 17 of 143 Hydis E13 100 ...
Page 18: ...HP L1702 FP7317 Service Manual Page 18 of 143 LG E01 ...
Page 21: ...HP L1702 FP7317 Service Manual Page 21 of 143 F7317 Model ...
Page 25: ...HP L1702 FP7317 Service Manual Page 25 of 143 Power Block Diagram ...
Page 33: ...HP L1702 FP7317 Service Manual Page 33 of 143 8 PCB Layout 8 1 Main Board 715L1253 C ...
Page 34: ...HP L1702 FP7317 Service Manual Page 34 of 143 8 2 Power Board 715L1236 E ...
Page 35: ...HP L1702 FP7317 Service Manual Page 35 of 143 715L1236 D AUO ...
Page 38: ...HP L1702 FP7317 Service Manual Page 38 of 143 9 2 Trouble Shooting 9 2 1 Main Board ...