XV-DV232
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Player
Monitor
•
Play the DVD test disc
at inner track
(around #30000)
•
Play the DVD test disc
at outer track
(around #200000)
TM Assy VK1AVC
Adjust the radial adjustment
screw so that
BER becomes around "5E-5".
TM Assy VK1AVC
Fasten the radial
adjustment screw so that
BER becomes around
"1E-3".
START
DVD Error Rate Adjustment
2
BER : - - - -
BER :around "5E-5"
BER : around "1E-3"
Service mode end
Disc playback normally.
• The measurement of
block error rate
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
•
Play the DVD test disc
at inner track
• Display BER on the monitor
CHP/TIM
ESC
Notes:
•
Use disc: GGV1025
•
BER:Block Error Rate
•
Unfasten the radial adjustment screw
by 90 degrees step till BER 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.
TM Assy VK1AVC
Fasten the tangential
adjustment screw so that
BER becomes around
"1E-3".
•
Unfasten the tangential screw
by 90 degrees step till BER 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.
BER : around "1E-3"
Confirm that the error rate is
under "5E-5".
CHP/TIM
ESC
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TEL 13942296513 QQ 376315150 892498299