Philips DVDR3320V/01 Service Manual page 132

Focus Servo is unstable
Is FE signal
output normal in Focusing
Up/Down?
(LIC201 pin 87)
YES
Is FDRV signal
output normal in Focusing
Up/Down?
(LIC301 pin 124)
YES
Go to "Focus Actuator
operating is abnormal"
Focus Actuator operating is abnormal.
Is there focus
search control signal input?
(LIC502 pin 5)
YES
Is there focus
search drive voltage output?
(LIC502 pin 51,52)
YES
•Check the connection CN102 pin 40,41.
•Check the connector LCN201.
Replace the pick-up. After replacing Perform
5. Optical Power Setting from 'How to use Test tool'.
NO
NO
• Check the connection of LIC301 pin 124.
NO
• Check the communication line between
LIC205 and LIC301.
• Replace the LIC205.
Is DRV-CTRL1
NO
(LIC502 pin 35)
Replace the LIC502.
5-7
Replace the LIC201.
•Check the R534.
•Replace the LIC201.
signal "H"?
YES
• Replace the IC301.
NO