35
Power Board
4. No Power
Check AC line Volt 110V or 220V
OK
Check AC line
Check the voltage of C905(+)
Check F901, bridge rectified circuit
Check start voltage for the pin3 of IC901
Check R906, R907,IC901
Check the auxiliary voltage is between 10V-16V
Check IC902,IC903
Check Q901, Q902, ZD901 circuit
OK
Check D910, D912
OK
NG
No power
NG
NG
OK
NG
Summary of Contents for AL1516
Page 1: ...Acer AL1516 Service Guide ...
Page 11: ...10 Supported Timing ٛ ...
Page 22: ...21 b The Description For Control Function ...
Page 23: ...22 ...
Page 32: ...31 Disassemble the panel Remove four screws to release metal frame Fig 12 Fig 12 ...
Page 40: ...39 Exploded Diagram Model AL1516 ...
Page 47: ...46 Power board adapter inverter ...
Page 48: ...47 ...