DV-470-S
49
5
6
7
8
5
6
7
8
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)
Mechanism Assy
Adjust the radial adjustment
screw so that
BER becomes under "5E-5".
Mechanism Assy
Fasten the radial
adjustment screw so that
BER becomes over "1E-3".
START
DVD Error Rate Adjustment
2
BER : - - - -
BER : under "5E-5"
BER : over "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 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
over "1E-3" again .
•
Record the number of rotation (N1).
•
Fasten the radial adjustment screw
till the number of rotation becomes
harf of N1.
Mechanism Assy
Fasten the tangential
adjustment screw so that
BER becomes over "1E-3".
•
Unfasten the tangential screw
by 90 degrees step till BER becomes
over "1E-3" again .
•
Record the number of rotation (N1).
•
Fasten the tangential adjustment screw
till the number of rotation becomes
harf of N1.
BER : over "1E-3"
Confirm that the error rate is
under "5E-5".
CHECK
CHP/TIM
ESC
Содержание DV-470-K
Страница 5: ...DV 470 S 5 5 6 7 8 5 6 7 8 C D F A B E 1 SPECIFICATIONS ...
Страница 36: ...DV 470 S 36 1 2 3 4 1 2 3 4 C D F A B E 17 13 1 1 5 1 4 SIDE B B CN104 CN301 CN451 ...
Страница 41: ...DV 470 S 41 5 6 7 8 5 6 7 8 C D F A B E SIDE B SIDE B F F CN1 CN2 POWER SUPPLY UNIT Q3 Q2 Q6 F ...
Страница 82: ...DV 470 S 82 1 2 3 4 1 2 3 4 C D F A B E 7 3 DISC CONTENT FORMAT PLAYBACK COMPATIBILITY ...
Страница 83: ...DV 470 S 83 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 85: ...DV 470 S 85 5 6 7 8 5 6 7 8 C D F A B E 8 PANEL FACILITIES ...
Страница 86: ...DV 470 S 86 1 2 3 4 1 2 3 4 C D F A B E ...
Страница 87: ...DV 470 S 87 5 6 7 8 5 6 7 8 C D F A B E ...