JVC UX-QD70S Service Manual page 44

(3) Setup of the laser power
MD TEST 1
Insert the laser power
meter sensor.
Press the [MD EJECT ]
key on the main unit.
Press the [2] key on
the remote controller.
Insert the laser power
meter sensor again.
Increase the laser
power with the
[UP ] key on the
main unit.
Adjust the power to be 0.68 mW or
more. If the value exceeds 0.68 mW,
approximate it to 0.68 mW as
accurately as possible.
Press the [STOP
on the remote controller.
FL display
MD TEST 1
Press the [MD EJECT ]
key on the main unit.
Playback laser power
adjustment is complete.
(4) Adjustment of stray light offset
(Note)
Execute adjustment of stray light offset in the state that a disk is not inserted in by all means.
MD TEST 1
Press the [MD PLAY
on the remote controller.
FL display
OK TUNING
1-44 (No.MB496)
A laser power meter
sensor is ejected.
MD mechanism starts
its operation.
Decrease the laser
power with the
[DOWN ] key on
the main unit.
] key
A laser power meter
sensor is ejected.
] key
Insert the laser power
meter sensor.
Press the [4] key on
the remote controller.
Press the [MD EJECT ]
key on the main unit.
Insert the laser power
meter sensor again.
Increase the laser Decrease the laser
power with the power with the
[UP ] key on the [DOWN
main unit. the main unit.
Adjust the power to be 6.23 mW or
less than 6.23mW.
If the value exceeds 6.23 mW,
approximate it to 6.23 mW as
accurately as possible.
Press the [STOP ] key
on the remote controller.
FL display
MD TEST 1
Press the [MD EJECT ]
key on the main unit.
Record laser power
adjustment is complete.
Press the [STOP
on the remote controller.
FL display
MD TEST 1
Adjustment is complete.
MD mechanism starts
its operation.
A laser power meter
sensor is ejected.
] key on
A laser power meter
sensor is ejected.
] key