7-15
FINE SEEK Check
FINE SEEK MIRR
signal (RIC1-46) is missing?
TZCO signal
(SIC1-24) is occurs?
Track incomming is
delayed?
TE is within
2V and 3V?
Pick-up transfer smooth.
Check RIC1 Peripheral curcuit.
Check SIC1 Peripheral curcuit.
Time out due to many jump counts.
Check SIC1 peripheral circuit.
SIC1-33 output
is normal?
DRIC1-28, 29
terminal outputs are
normal?
Check CN1 and pick-up.
Check MECHA.
Check RIC1-26 terminal.
Check DRIC1 peripheral circuit.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
(DVD Section)
No Search Operation
MIRR, SIC1-157
output is normal?
Actual velocity occurs
at SIC1-34 terminal?
Actual velocity occurs
at DRIC1-32, 33 terminal?
Check RIC1 peripheral circuit.
Check SIC1 peripheral circuit.
Check DRIC1 peripheral circuit.
No
No
No
Yes
TE occurs in
search range?
Focus On?
Yes
Yes
Yes
C
See "Fine Seek Check"
No
Yes
Check pick-up.
No
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299