Toshiba BDX2500KU Service Manual page 43

Spindle motor does not move.
Check the FFC connection
between 45P and the loader.
Check whether "RFA5V"
(+5V) voltage is normal.
Check whether laser voltage
(2.3V for DVD & 1.9V for CD &
8V for BD) on Collector of Q4504,
Q4506 and Q4502.
1.Whether voltage on pin C11,C10,
B10 of IC4001 varies between 0 and
3.3V.
2.Whether peripheral components
are eroded or badly soldered.
Check/Replace the loader.
Motor no move
Go
Yes
Yes
Yes
Yes
Have no focus
Yes
11-3
No
Correct connection.
No
Check the RFA5V power supply
or replace Main PCB.
No
Check/Replace Q4504,Q4506
and Q4502 or replace Main PCB.
No
Check/Replace IC4001 or replace
Main PCB.
1.Check IC4001 pin E9
No
FOCUS_PWM signals.
2.If there are F+,F-,T+ and T-
signals output from IC4402.
Trouble shooting chart