Table of Contents
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Abnormal rotation of
Abnormal rotation of
disc motor
disc motor
No
Input of RF signal
is normal?(SIC1-15)
No
SPD output is normal?
(SIC1-35)
Yes
After resoldering SIC1
Check path to RIC1 and SIC1
No
SIC3-2 output(FG)
Check SIC3 soldering and power
is normal?
Yes
No
SIC3-9 signal
MON is "H"?
Yes
Check or replace disc motor
No
RIC1-71 output
is normal?
Check RIC1 peripheral
Yes
circuit and A,B,C,D
No
RIC1-70 output
are normal?
Check RIC1 doldering and power
Yes
Check SIC1, MIC1.
No Tray open/close
No Tray open/close
No
Yes
MIC1-84,85 is
Open;"L","L"?
Close;"H","H"?
Yes
No
Check SIC3-35,36
output open/close
Yes
Check signal line state from
SIC3-35,36 to tray motor.
Micom(MIC1) error
Check SIC3
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