Trouble Shooting Chart - Toshiba BDX2500KU Service Manual

7.1 CH Audio no output.
No 7.1 CH Audio output
Check whether there is correct
contact between CN9301 and
CN9201.
Check E6A(+5.8V) voltage
on 7.1 CH Audio board and
Main board.
Check there are AMCLK;
I2SBCK_OUT;I2SLRWS_OUT
signal on 7.1 CH Audio board.
Check whether bad solder
exists on J9301.
Replace 7.1 CH Audio board.
Go
Yes
Yes
Yes
Yes
11-1
No
Correct connection.
No
Check Power board and Main
board or replace them.
No
Check whether IC4001 arrive
CN9201.
No
Replace J9301.

Trouble shooting chart