9-1
0
Remote control does not operate
Check of +3.3V voltage at IC701 pin1?
No
(MB board)
No
To Power supply flow chart
Yes
No
Check FFC disconnected from
CN702 or broken?
Yes
To IFcon section flowchart
Check of appearance waveform during
pressing remote control at IC701 pin2
No
Yes
Check of +3.3V voltage at CN1204 pin11?
Check of +3.3V voltage at CN702 pin11?
No
Replace FFC
If symptoms do not improve,
Change FR board
Check of appearance waveform during
pressing remote control at CN1204
pin5(MB board)
Yes
Yes
Change FR Board
No
Check of appearance wavefoam
during pressing remote control
at CN702 pin5
No
Replace IC701
If symptoms do not improve,
Change FR board
Check pattern along SIRCS line
If symptom do not improve,
Change FR board
Check FFC disconnected from
CN702 or broken?
No
Reconnect
FFC
If symptoms do not improve,
Change FFC
Yes
Yes
Change FR Board
Yes
Check pattern around IC701
If symptom do not improve,
Change FR board
BDP-S485