DV-380-S
32
1234
1234
C
D
F
A
B
E
3.11 WAVE FORMS
DVD MT PCB ASSY
A
Note : The encircled numbers denote measuring point in the schematic diagram.
Measurement condition
: No. 1 to 2 and 9 to 14 : reference A1 (DVD), T2-chp 19, Color-bar
No. 3 to 8 : reference A1 (DVD), T2-chp 1
1
Foot of C626 [RF](IC4002 - pin 6)
V: 200mV/div. H: 0.1µsec/div.
3
Foot of R8070 (IC8004 - pin 16)
[AUDIO DAC -MCLK]
4
Foot of R4004 (IC8004 - pin 1)
[AUDIO DAC -BCK]
V: 2V/div. H: 200nsec/div.
9
(IC8002 - pin 23)
[Composite Video out]
V: 1V/div. H: 10µsec/div.
V: 2V/div. H: 500nsec/div.
5
Foot of R4050 (IC8004 - pin 3)
[AUDIO DAC -LRCK]
6
Foot of R4050 (IC8004 - pin 3)
[AUDIO DAC -LRCK]
7
Foot of R8047 (IC8004 - pin 1)
[AUDIO DAC -BCK]
8
Foot of R4043 (IC8004 - pin 2)
[AUDIO DAC -DATA]
(Waveform of DATA is unsettled.)
V: 2V/div. H: 5µsec/div.
6
7
8
10
(IC8002 - pin 20)
[Component Video out -Y]
V: 1V/div. H: 10µsec/div.
11
(IC8002 - pin 18)
[Component Video out -Pb]
V: 2V/div. H: 10µsec/div.
12
(IC8002 - pin 16)
[Component Video out -Pr]
V: 2V/div. H: 10µsec/div.
10
11
12
13
(IC8002 - pin 21)
[S Video out -Y]
V: 1V/div. H: 10µsec/div.
14
(IC8002 - pin 26)
[S Video out -C]
V: 1V/div. H: 10µsec/div.
13
14
GND
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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