AOpen A70PF Service Manual page 17

OFF MODE
FAILURE
IC901(40)
(41) H/V
SIGNAL
?
No
IC901(20)
PS 0
0 V ?
Yes
Q505 (C)
7.0 V ?
Yes
CHECK
Q511 (B)
0 V ?
Yes
CHECK
Q511
A70PF(RX-777NS)
CHECK
Yes
PC
No
CHECK
IC901
CHECK
No
Q505
CHECK
No
IC901
VESA STANDARD DPMS
ITEM
H/V Sync.
MODE
NORMAL ON/ON
STAND BY OFF/ON
OFF OFF/OFF
IC901 PIN40,PIN41 SIGNAL.
PIN40
NORMAL H
STAND BY H
OFF
VIDEO LED
NORMAL GREEN
OFF ORANGE
OFF ORANGE
PIN41
H
L
L L
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