Read Sony BDP-BX59 / BDP-S490 / BDP-S590 Service Manual online
FR-320 IF board flow chart (2/2)
9-7
BDP-BX59/S590/S490
Stop Key Can’t Function
Any pulse appear if button
press at pin 11 IC702
Any CLK signal at CN701
Any High (3.3V) to
Low (0V) Signal at pin 6
CN701
Any Signal at CN701
when Stop Button being
pressed?
To Main Flowchart
Change FR Board
Change IC702
Open/Close Key Can’t Function
Any pulse appear if button
press at pin 11 IC702
Any CLK signal at CN701
Any Signal at CN701
when Open/Close Button being
pressed?
Any High (3.3V) to
Low (0V) Signal at pin 6
CN701
To Main Flowchart
To Main Flowchart
To Main Flowchart
To Main Flowchart
To Main Flowchart
Change FR Board
Change IC702
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
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