Pioneer DV-373-S, Service Manual

Page: 18 / 92

DV-373-S
18
1 2 3 4
1 2 3 4
C
D
F
A
B
E
3.3 WAVEFORMS
DVDM ASSY
B
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 [RFOP] (IC301 - pin 6)
V: 200mV/div. H: 0.1
µ
sec/div.
3
Foot of R707 (IC701 - pin 16)
[AUDIO DAC -MCLK]
4
Foot of R651 (IC701 - pin 1)
[AUDIO DAC -BCK]
V: 2V/div. H: 200nsec/div.
9
Foot of C832 (IC801 - pin 23)
[Composite Video out]
V: 1V/div. H: 10
µ
sec/div.
V: 2V/div. H: 500nsec/div.
2
IC601 - pin 21 [FG]
V: 1V/div. H: 5msec/div.
5
Foot of R656 (IC701 - pin 3)
[AUDIO DAC -LRCK]
6
Foot of R656 (IC701 - pin 3)
[AUDIO DAC -LRCK]
7
Foot of R651 (IC701 - pin 1)
[AUDIO DAC -BCK]
8
Foot of R652 (IC701 - pin 2)
[AUDIO DAC -DATA]
(Waveform of DATA is unsettled.)
V: 2V/div. H: 5
µ
sec/div.
6
7
8
10
Foot of C842 (IC801 - pin 20)
[Component Video out -Y]
V: 1V/div. H: 10
µ
sec/div.
11
Foot of C852 (IC801 - pin 18)
[Component Video out -Pb]
V: 2V/div. H: 10
µ
sec/div.
12
Foot of C862 (IC801 - pin 16)
[Component Video out -Pr]
V: 2V/div. H: 10
µ
sec/div.
10
11
12
13
Foot of C822 (IC801 - pin 21)
[S Video out -Y]
V: 1V/div. H: 10
µ
sec/div.
14
Foot of C812 (IC801 - pin 26)
[S Video out -C]
V: 1V/div. H: 10
µ
sec/div.
13
14
GND