ADV-700
79
1
2
3
45 6 1214 15 16
17
18
20 19
789 10
11
13
MEASURING METHOD AND WAVEFORMS
To check the waveforms on the Servo P.W.B., the GND ( ) probe of the oscilloscope to Vref point.
(Except for Inner SW, TRVSW)
NOTES
Measuring Disc: DVD/DVDT-S01
CD/TCD-784
(It is better to use wires for extending between the probe and test points.)
When watching the HF waveform, use the extending wire as short as possible.
When HF waveform is noisy or cannot discriminate the eye-pattern, replace the Traverse Unit after measuring the Iop.
1
~
20
points have the certain test points shown below.
DVD Main P.W.B. Unit foil side
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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