Focus Servo is unstable
Is FE signal NONO
output normal in FocusingCheck Pickup Read PowerReplace the Pick up.
Up/Down?is 1.3~1.7mW?
(LIC121 pin25*)
YES
Replace the LIC121.
Is FDRV signal
NO
output normal in Focusing
Replace the LIC201.
Up/Down?
(LIC201 pin 62)
YES
* LIC121 pin25 is MOUT2(FEP Monitor2).
After disc recognition action, Monitor port
Go to OFocus Actuatoris off. So, please check FE signal during
operating is abnormal�disc recognition.
Focus Actuator operating is
abnormal
Is there Focus NOY Check the connection of LIC201 pin 62.
Search control signal input?Y Check the communication line between
(LIC301 pin5)LIC121 and LIC201.
Y Replace the LIC201.
YES
Is there Focus NONO
Is DRVMUTE2 signal OH�?Search drive voltage output?Check the connection of LIC121 pin 32.
(LIC301 pin 35)Replace the LIC121.
(LIC301 pin 51,52)
YESYES
Check the connection Replace the LIC301.
LPM101 pin40, 41.
Replace the Pick-Up.
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