AOpen A70PF - Troubleshooting Hints; Power and Raster Issues

A70PF(RX-777NS) 13 / 33
IC501 (7)
＞ 14 V ?
G. TROUBLE SHOOTING HINTS
No
Yes
No
Yes
No
Yes
No
Yes
T501 (7)
160 V ?
IC501(2)
2.5V ?
D510 (-)
15.5V ?
CHECK
F501,D514 ,
D515,D516,
D517
CHECK
IC501,R539,
D505,ZD551
CHECK
D510,Q501,
Q
508
CHECK
IC501,Q504
CIRCUIT
SHORT
T501(7) VOLTAGE
AC120V IN 160V
AC220V IN 294V
AC230V IN 308V
NO POWER