Remote Does Not Operate - Sony BDP-S1200 Service Manual

6-6. Remote does not operate

Check of +3.3V voltage at IC710 pin1?
Yes
Check of appearance waveform during
pressing remote control at IC710 pin2
Yes
Check of appearance waveform during
pressing remote control at CN392
pin3 (MB board)
Yes
Replace MB board
No
Check of +3.3V voltage at CN392 pin 1?
(MB board)
Yes
Check of +3.3V voltage at CN701 pin 1?
Yes
Check pattern around IC710
If symptom do not improve,
FR board
NG
No
Replace IC710
If symptoms do not improve,
FR board
NG
No
FR board NG
BDP-S1200/BX120/S3200/BX320/S4200/S5200/BX520
No
To Power supply flow chart
No
Check FFC disconnected from
CN701 or broken?
Yes
FFC NG
No
Check FFC disconnected from
CN701 or broken?
Yes
FFC NG
6-7
No
FR board NG
FR board NG