Panasonic SA-PM37MD Service Manual page 60

If the read power value exceeds 630
continued, the optical pickup may be deteriorate or damaged.
3. Press [ENTER] key on the remote controller to save the read
power value setting.
FL Display: [PLAY PWR OK] flashes 3 times, and then [REC
PWR] appears.
4. While the above FL display appears, check the "light power value".
If the value is out of the reference range, adjust with [
] keys on the remote controller.
Reference Range (light power): 5.4±0.1mW
Note
The level of the light power should not exceed 6.0mW anytime, as
this may deteriorate and damage the optical pickup.
5. Press [ENTER] key on the remote controller to save the light
power value setting.
FL Display: PLAY PWR OK flashes three times.
6. Press [MD EJECT] button on the unit to remove the laser power
meter (disc type).
7. Now the laser power adjustment is complete. Continue to the
procedure for "Laser Power Measurement".
W, and the further steps are
60
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