Waveforms - Pioneer DV-588A-S Service Manual

1

3.12 WAVEFORMS

QQ
3 7 63 1515 0
Note : The encircled numbers denote measuring point in the schematic diagram.
A
Measurement condition : No. 1 to 2 and 9 to 14 : reference A1 (DVD), T2-chp 19, Color-bar
No. 3 to 8
A
DVD MT PCB ASSY
Foot of C626 [RF](IC4002 - pin 6)
1
V: 200mV/div. H: 0.1µsec/div.
B
C
Foot of R4004 (IC8003 - pin 1)
4
[AUDIO DAC -BCK]
V: 2V/div. H: 200nsec/div.
TE
L 13942296513
D
Foot of R4050 (IC8003 - pin 3)
5
[AUDIO DAC -LRCK]
V: 2V/div. H: 5µsec/div.
(IC7301 - pin 20)
10
[Component Video out -Y]
E
V: 1V/div. H: 10µsec/div.
(IC7301 - pin 18)
11
[Component Video out -Pb]
V: 2V/div. H: 10µsec/div.
(IC7301 - pin 16)
12
[Component Video out -Pr]
V: 2V/div. H: 10µsec/div.
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34
1
http://www.xiaoyu163.com
2
: reference A1 (DVD), T2-chp 1
GND
Foot of R4050 (IC8003 - pin 3)
6
[AUDIO DAC -LRCK]
Foot of R8047 (IC8003 - pin 1)
7
[AUDIO DAC -BCK]
Foot of R4043 (IC8003 - pin 2)
8
[AUDIO DAC -DATA]
(Waveform of DATA is unsettled.)
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y
. i
2
http://www.xiaoyu163.com
3
8
Q Q
3 6 7
V: 2V/div. H: 500nsec/div.
(IC7301 - pin 21)
13
[S Video out -Y]
V: 1V/div. H: 10µsec/div.
10
(IC7301 - pin 26)
14
[S Video out -C]
V: 1V/div. H: 10µsec/div.
11
12
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DV-588A-S
3
4
2 9 9 4
Foot of R8070 (IC8003 - pin 16)
3
[AUDIO DAC -MCLK]
1 3 1 5 0 5 8 2 9
(IC7301 - pin 23)
9
[Composite Video out]
6
7
8
V: 1V/div. H: 10µsec/div.
m
co
.
4
2 8
9 9
9 4 2 8 9 9
13
14