Sony BDP-S7200 Service Manual page 46

6-5. FR-1304 Board Flowchart
Power key can't
Function
Any pulse appear if bu on press
at pin 12 ND701
Yes
Any CLK signal at pin 12 CN701
Yes
Any high (3.3V) to low (0V) signal
at pin 14 CN701
Yes
Any signal at pin 14 CN701 when
power b
on being pressed?
Yes
To main flowchart
Open/Close Key Can't Function
Any pulse appear if button
press at pin 11 ND701
Yes
Any CLK signal at
pin 12 CN701
Yes
Any High (3.3V) to
Low (0V) Signal at pin 14
CN701
Yes
Any Signal at pin 14 CN701
when Open/Close Button being
pressed?
Yes
To Main Flowchart
No
FR board is NG
No
To main flowchart
No
To main flowchart
No
FR board is NG
No
FR Board is NG
No
To Main Flowchart
No
To Main Flowchart
No
FR Board is NG
6-6
BDP-S7200