LG RHT497H Service Manual page 87

Spindle
operatingis abnormal
Is there
Spindle control
DSP output? (LIC201
pin77)
YES
Is there
Spindle drive voltage
output? (LIC301 pin35,
36, 37)
YES
Is there
spindle Motor input
voltage? (LPM301
pin1, 2, 3)
YES
Check the
Connection LPM301.
NO
Replace the LIC201.
Is there
NO
FG signal input?
(LIC201 pin65)
YES
OK
NO
Replace the Spindle Motor.
4-6
• Check the output of LIC301
pin43.
NO
• Check the connector
LPM301.
• Replace the LIC301.