Trouble Shooting Hints - AOpen A70PF Service Manual

NO POWER
T501 (7)
160 V ?
Yes
IC501 (7)
＞ 14 V ?
Yes
IC501(2)
2.5V ?
Yes
D510 (-)
15.5V ?
Yes
CIRCUIT
SHORT
A70PF(RX-777NS)
G. TROUBLE SHOOTING HINTS
CHECK
No
F501,D514 ,
D515,D516,
D517
CHECK
No
IC501,R539,
D505,ZD551
CHECK
No
IC501,Q504
No
CHECK
D510,Q501,
Q508
T501(7) VOLTAGE
AC120V IN 160V
AC220V IN 294V
AC230V IN 308V
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