Extension Port Does Not Work - Toshiba HD-XA2KN Service Manual

3-9.

Extension port does not work.

Neither right port nor
Device to be connected is
Failure of main unit
START (9)
left port works?
Yes
supported?
Yes
No
(W101) or replace front SW_USB unit.
Either one port
does not work.
No
Check the device supported by this mode.
Check and replace CN402 cable