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15
Trouble Shooting
Check the power source and initial state.
Is electrity of 5V and 12V normally input
after the connecting the power cable ?
Y
Do RL3E804, RL5E935 oscillate ?
Y
Dose the voltage of the 1pin of IC502
change from 3.3V ?
Y
Is electricity of 2.5V normally
output from the 3pin of IC503?
Y
When you transfer the PICK-UP
to the outer cycle, and turn the power on,
dose it move to the inner one?
Y
TRAY IN / OUT ?
Y
Refer to ‘NO SLED operation’
Refer to ‘Check TRAY IN / OUT’
Refer to ‘check LASER DIODE ON’
LASER DIODE ON ?
Check the connection of the
power short and cable.
If the power of RL3E804, RL5E935
is normal when you check,
replace X201, X301.
N
N
If the power of ICIC502 (3pin) is normal
when you check, replace IC502.
If the power of IC503 (2pin) 5V is normal
when you check, replace IC503.
N
N
N
N
N
Summary of Contents for SW-248B
Page 5: ...4 Disassembly Diagram ...
Page 15: ...14 Block Diagram ...
Page 25: ...24 Circuit Diagram Main ...
Page 26: ...25 Circuit Diagram Front ...