XV-DV363
44
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Player
Monitor
· Play the DVD test disc
at inner track
(around
#30000)
· Play the DVD test disc
at
outer
track
(around
#200000)
Traverse Mechanism
Assy-S
Adjust the radial adjustment
screw so that
ERROR RATE becomes
around "5E-4".
Traverse Mechanism
Assy-S
Fasten the radial
adjustment screw so that
ERROR RATE becomes
around "1E-3".
START
DVD Error Rate Adjustment
2
ERROR RATE: - - - -
ERROR RATE : "5E-4"
ERROR RATE : "1E-3"
Service mode end
Disc playback normally.
· The measurement of
block error rate
If error rate is OK,
locks a root of
tangential and radial
adjustment screws with
the Screw tight.
Screw tight: GYL1001
Turn the POWER OFF in
case of NG once, and
perform the adjustment
once again.
CHP/TIM
ESC
ESC
Service mode
Service mode end
ESC
NG
OK
· Play the DVD test disc
at
inner
track
· Display ERROR RATE
on the monitor
CHP/TIM
ESC
Notes:
· Use disc: GGV1025
· Unfasten the radial adjustment screw
by 90 degrees step till ERROR RATE
becomes around "1E-3" again .
· Record the number of rotation (N1).
(memorizing how much the screw was rotated.)
· Fasten the radial adjustment screw
till the number of rotation becomes
harf of N1.
Traverse Mechanism
Assy-S
Fasten the tangential
adjustment screw so that
ERROR RATE becomes
around "1E-3".
· Unfasten the tangential screw
by 90 degrees step till ERROR RATE
becomes around "1E-3" again .
· Record the number of rotation (N1).
· Fasten the tangential adjustment screw
till the number of rotation becomes
harf of N1.
ERROR RATE : "1E-3"
In this check, the error rate
that is less than "5E-5"is
better.
CHECK
CHP/TIM
ESC
A
B
B
C
Best Radial point
C
Best tangential point
1E-3
5E-4
Rotation of Radial screw
and Tangential screw
Anticlock wise
Clock wise
Best point
A
A
B
C
ERROR
RATE
Содержание XV-DV370
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