Table of Contents
Advertisement
Power ON with no
MD loaded. *1
*1 : Refer to Measurements and Adjustments
Does player
enter adjustment
mode? *1
YES
Set to read power
adjustment mode. *1
Is read power output?
YES
Can read
power be set to 600¨W
or lower using
VR1?
YES
Set to write power
adjustment mode. *1
Is write power output?
YES
Adjust write power and
check ROM data laser
power and RAM data
laser power.
To "ROM/RAM Operation"
NO
NO
1
(Continued on next page.)
NO
Faulty optical pickup
NO
2
(Continued on next page.)
CN4
O
S
5V
U
[
5V
Is CN4 power
NO
supply line OK?
YES
Is oscillation
NO
signal input for IC10
pin 32?
IC10 pin32
YES
F=10.02MHz
Is IC10 pin 21 "H"?
Is CN4 pin 14 "H"?
Faulty IC10
T
5V
3.3V
3.3V
Check power supply
circuit on main unit.
1.9V
P-P
NO
YES
NO
YES
Check reset circuit
on main unit.
Advertisement
Table of Contents
