Pioneer DV-47A Service Manual page 74

DV-47A, DV-S733A, DV-747A
QQ
3 7 63 1515 0
DVD Jitter Adjustment
2
• Playback method of inner and outer address for the purpose is refererd to "6.4 TEST MODE".
• Jitter indication of the monitor is refererd to "7.1.4 TEST MODE SCREEN DISPLAY".
START
• Test mode
• Play the DVD test disc
at outer track
(around #200000)
TE
L 13942296513
Turn the POWER OFF in
case of NG once, and
perform the adjustment
once again.
If error rate is OK,
locks a root of
www tangential and radial
adjustment screws with
the Screw tight, and
!
go to step .
.
Screw tight: GYL1001
74
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Mechanism Assy
Adjust the Tangential
Adjustment Screw so that
jitter becomes minimum.
Player
CHECK
Confirm the error rate that is
displayed "OK"
NG
(Example ER (av): 2.5e - 5-*OK )
Disc playback normally.
• The measurement of block error rate
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i
http://www.xiaoyu163.com
2 9
8
J4 : Min
Q Q
3 6 7 1 3 1 5
J4 : - - - -
Monitor
ESC 5
co
.
9 4 2 8
Use disc: GGV1025
• Play the DVD test disc
at inner track
(around #30000)
Mechanism Assy
Adjust the Radial
Adjustment Screw so that
jitter becomes minimum.
J4 : Min
0 5 8 2 9 9 4 2 8
• Play the DVD test disc
at outer track
(around #200000)
Mechanism Assy
Readjust the Tangential
Adjustment Screw so that
jitter becomes minimum.
J4 : Min
m
ESC
Test mode end
9 9
9 9