LG RH-2320 Service Manual page 78

Track servo is unstable
Is TE signal
output normal in focusing
ON and tracking OFF?
(LIC101 pin20*)
YES
Is there TDRV
signal output in tracking ON?
(LIC201 pin73)
YES
Check the Drive IC
(LIC301) and P/U
referring to "Focus actuator
operating is abnormal".
LGE Internal Use Only
Is PICK UP
NO
(E, F, G, H) output normal?
(LPM101 pin35, 38,
39, 42)
YES
Replace the LIC101.
NO
Replace the LIC201.
4-8
NO Check the PICK UP FFC.
Replace the PICK UP.
* LIC101 pin20 is MOUT1(FEP Monitor1).
After disc recognition action, Monitor port is
off. So, please check TE signal during disc
recognition.
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