8. TROUBLESHOOTING FLOW CHART
Power start
NG
Is the
voltage at C815
normal
(125-340V)
?
Does
R808
open?
Is the
start-up
voltage at
C831(16V)
?
Is the
voltage of
R867 normal
(>1Vpp)?
Is
F801 open ?
Check power socket copper and
plug & D811~D814, R805
Check Q868,I862,D831,R867
Check R849, R848, D870, C831,
D831, R831,Q850,D848
Q820,Q821,Q822,
Q823
Check secondary side circuit.
D802~D807 or any short circuit
on B+ output,R867
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
(1) Power Start NG
Содержание C7BTR Series
Страница 1: ...Tatung C7BTR SERIES Low Radiation Extended VGA PLUG PLAY COLOUR MONITOR SERVICE MANUAL...
Страница 29: ......