User's Manual

Page 15
Document No. Document Name
SANYO Electric Co., Ltd.
Reliability
(3/3)
The following table shows the reliability standards for the main parts (units) which are used in
this product.
Test items Test conditions Criteria
10. Laser diode life
Check the recorded power after 1000 hours of
operation at 60 °C.
(except for breakage caused by static electricity)
The error rate should be
1 % or less.
11. Spindle motor life
Measure the current in the motor after 1000 hours
operation.
The initial value should be
+35 % or less.
12. Feeder motor life
After the pick-up slide operation as described in item
8, measure the consumption current in the motor.
The values should be
conform to the pull-out
torque 1500pps 9.8×10-
4
N-m (10grf-cm) or more.
3. Reliability Standards
The reliability standards are as follows.
1).CD
2).DVD
Items Before Test
Change in
Values after Test
Remarks
1/3 stroke mean access
time
×
40 CAV
speed
0.27 s or less 0.35 s or less
Mean value measured after
reciprocating operation for (0
to 20) min. (one way value)
Items Before Test
Change in
Values after Test
Remarks
1/3 stroke mean access
time
×
12 CAV
speed
0.27 s or less 0.35 s or less
Mean value measured after
reciprocating operation for (0
to 20) min. (one way value)