Toshiba HD-XA1KN Service Manual page 13

3-9. Extension port does not work.
Neither right port nor
Device to be connected is
Failure of digital unit
START (9)
left port works?
Yes
supported?
Yes
No
Check and replace PJ14 cable or
Either one port
does not work.
No
Check with the device supported by
replace front USB unit.
HD-XA1/A1/D1.