Sony GN3TR - Page 20

XBR-49/55/65/75X900E
TROUBLE SHOOTING
FLOW
1-1. NO POWER
20
No Power
Check POWER_MAIN
C409
near CN400
on B* board
Harness
AC Adaptor
Replace
Between JK* board to
B* board Harness
NG
OK
(19.5V or 24V)
NG
OK
Check
F9000
On JK* board
OK
(Both side are
19.5V or 24V.)
NG
(Both side are No power.)
NG
(Only single side is 19.5V or 24V.)
Q9002 or
drive circuit around Q9002
on JK* board
F9000
B* board
u-Com Failure
DDCON/LDO
Main Device Failure
WITH AC-ADP