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Laser Power Check and Adjustment
Connection :
Optical pick-up
objective lens
Checking and Adjustment Method :
1. Select the manual mode of test mode (see page 10), and set the
laser power adjusting mode (item number 010).
Remote commander LCD display
010
Laser
2. Press the
.
key continuously until the optical pick-up
moves to the most inward track.
3. Open the cover and set the laser power meter on the objective
lens of the optical pick-up.
4. Press the
>
key, and set the laser MO read adjustment mode
(item number 011).
Remote commander LCD display
011
LrefPw# * *
5. Check that the laser power meter reading is 0.754 ± 0.13 mW.
6. If the reading value is not satisfied, adjust with the
[VOL --]
key so that the laser power meter reading becomes
the specification value. Press the u key or
remote commander to write the adjusted value.
7. Press the
>
key, and set the laser CD read adjustment mode
(item number 012).
Remote commander LCD display
012
HrefPw# * *
8. Check that the laser power meter reading is 0.896 ± 0.16 mW.
9. If the reading value is not satisfied, adjust with the
[VOL --]
key so that the laser power meter reading becomes
the specification value. Press the u key or
remote commander to write the adjusted value.
10. Press the
key to quit the manual mode, and activate the test
x
mode (display check mode).
laser
power meter
[VOL +]
or
key on the
[VOL +]
or
key on the
Overall Adjustment Mode
• Configuration of overall adjustment mode
Overall adjustment mode
x
(Title display)
"Assy**"
Continuing overall adjustment
key
.
key
>
key
u
[VOL+]
or
[DISPLAY]
key
on the remote commander
[VOL-]
or
[P MODE]
key
on the remote commander
[GROUP]
key or
key
on the remote commander
MZ-E510
key
CD overall
adjusting
MO overall
adjusting
Automatic
Disc
discrimination
overall
adjustment
Electrical
offset
adjustment
Temperature
correction
and
Power supply
adjustment
auto item feed
NV reset
(item number 21)
19
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