Service manual

Troubleshooting
5-15Samsung Electronics
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?
SIC3-28, 29
terminal outputs are
normal?
Check DCN1 and pick-up.
Check MECHA.
Check RIC1-26 terminal.
Check SIC3 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 SIC4-32, 33 terminal?
Check RIC1 peripheral circuit.
RFAGCO, RIC1-72
output level is normal?
Check SIC1 peripheral circuit.
Check SIC3 peripheral circuit.
No 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
(DVD Section)