Troubleshooting
9-14
Samsung Electronics
FINE SEEK Check
MIRR
signal (RIC1-27) is missing?
Track incomming is
delayed?
TE is within
1.5V~2.5V and 3V?
Pick-up transfer smooth.
Check RIC1 Peripheral curcuit.
Time out due to many jump counts.
Check SIC1 peripheral circuit.
U1-175
(TRD)
output is normal?
MIC1-35, 36
(T+, T-)
terminal outputs are
normal?
Check DCN1 and pick-up.
Check MECHA.
Check RIC1-39 terminal.
Check SIC3 peripheral circuit.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
(TRD Waveform)
(DVD Section)
Abnormal rotation of
disc motor
Input of
RF SUM
signal is normal?
(U1-154, 155)
SPD
output is normal?
(U1-171)
After resoldering SIC1.
Check or replace disc motor.
Check path to RIC1 and U1.
RIC1-63 output
is normal?
Check RIC1 peripheral
circuit and A, B, C, D.
Yes
Yes
Yes
No
No
No
(SPD Waveform)
(RF SUM Waveform)
(DVD Section)
