Sony RMT-B126A - FR-1304 Board Troubleshooting Flowchart

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