Pioneer DV-444 Service Manual page 31

WAVEFORMS
Note : The encircled numbers denote measuring point in the schematic diagram.
B
DVDM ASSY
Measurement condition : No. 1 to 4 and 6 to 11 : MJK1, Title 1-chp 1
No. 5
Foot of R104 (RF)
1
V: 100mV/div. H: 0.2µsec/div.
GND
TP117 (RFO)
2
V: 500mV/div. H: 0.1µsec/div.
GND
3
TP122 (Tracking Error)
4
(AI-Inner Tracking Off)
V: 500mV/div. H: 2msec/div.
IC201 - pin 39 (EFM before slice)
5
V: 1V/div. H: 1µsec/div.
GND
IC201 - pin 1 (EFM)
6
V: 1V/div. H: 0.2µsec/div.
GND
: CD, ABEX-784 Track 1
TP209 (FG)
7
V: 1V/div. H: 5msec/div.
Foot of R261 (FPWM)
8
V: 1V/div. H: 5msec/div.
Foot of R262 (VPWM)
9
V: 1V/div. H: 5msec/div.
Foot of R263 (PPWM)
10
V: 1V/div. H: 5msec/div.
Foot of R264 (RPWM)
11
V: 1V/div. H: 5msec/div.
D
JACB ASSY
Measurement condition : No. 1 to 5 : DVD-REF-A1, T1-Chap.1
No. 6 to 10 : DVD-REF-A1, T1-Chap.19
IC211 - pin 2 (ADATA)
1
V: 1V/div. H: 500nsec/div.
IC211 - pin 7, 8 (AUDIO L, R)
2
V: 1V/div. H: 50µsec/div.
IC211 - pin 1 (BCK)
3
V: 1V/div. H: 100nsec/div.
IC211 - pin 3 (LRCK)
4
V: 1V/div. H: 5µsec/div.
IC211 - pin 16 (MCK)
5
V: 1V/div. H: 20nsec/div.
IC411 - pin 25 (C)
6
V: 1V/div. H: 10µsec/div.
DV-444, DV-440
IC411 - pin 27 (V)
7
V: 1V/div. H: 10µsec/div.
IC411 - pin 20, 23 (Y)
8
V: 1V/div. H: 10µsec/div.
IC411 - pin 18 (Cb)
9
V: 1V/div. H: 10µsec/div.
IC411 - pin 16 (Cr)
10
V: 1V/div. H: 10µsec/div.
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