Track Servo is unstable
Is TE signal
output normal in Focusing
ON and Tracking OFF?
(LIC121 pin 24*)
YES
Check the PICK UP FFC.
Replace the PICK UP.
Replace LIC121.
NO
Replace LIC201.
Check the Drive IC(LIC301) and
P/U referring to “Focus Actuator
operating is abnormal”.
Is there TDRV
signal output in Tracking ON?
(LIC201 pin66)
NO
Is PICK UP
(E, F, G, H) output normal?
(LPM101 pin 8, 5, 9, 4)
YES
YES
NO
* LIC121 pin24 is MOUT1(FEP Monitor1).
After disc recognition action, Monitor port
is off. So, please check TE signal during
disc recognition.
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