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LASER check.
Caution : Don't see LASER for your eyes!!
CD LASER
DVD LASER
CN101(25) : 2.3V
IC101(2) : 0.2V
(A)
IC101(3) : 3.6V
NO
IC101(38) : 5V
IC101(45) : 5V
YES
IC101(41) : 3.3V
YES
soldering check :
IC101(10) -- IC201(70)
IC101(11) -- IC201(68)
IC101(12) -- IC201(69)
CD LASER
CN101(21) : 2.3V
CN101(3) : 0.2V
Check item
NO
go to(A)
YES
• CN101 connection.
• FFC cable to Pick-up.
• CN101 connection.
NO
• FFC cable to Pick-up.
• Pick-up unit.
Check item
YES
• Q101
• IC101(3) -- Q101 -- CN101(25)
NO
• 5V power-line.
NO
• 3.3VA power-line.
• IC501
OK
• IC101
• IC201
Check item
NO
go to(B)
YES
• CN101 connection.
• FFC cable to Pick-up.
• CN101 connection.
NO
• FFC cable to Pick-up.
• Pick-up unit.
Note : When the circuit number is written, check parts and
soldering including a nearby circuit.
When two or more pin numbers are indicated by the
party, check signal-line including a nearby circuit.
Note : When the circuit number is written, check parts and
soldering including a nearby circuit.
When two or more pin numbers are indicated by the
party, check signal-line including a nearby circuit.
55
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