Waveforms - Pioneer XC-Z9 Service Manual

1

10.15 WAVEFORMS

QQ
3 7 63 1515 0
B
DVDM ASSY
A
Measurement condition ; No. 1 to 10
No. 11 to 14 : reference A1 (DVD), T1
B
IC201-pin 39 [TROPENPWM]
2
V: 1V/div. H: 5μsec/div.
[Tray stops]
C
IC201-pin 37 [DMSO]
3
V: 1V/div. H: 10μsec/div.
TE
L 13942296513
[TRAY OPEN]
D
CN102-pin 2, 3, 4 (IC101-pin 30, 33, 35)
4
[SPINDLE (WVU)]
V: 2V/div. H: 2msec/div.
E
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F
90
1
http://www.xiaoyu163.com
2
Note : The encircled numbers denote measuring point in the schematic diagram.
: reference A1 (DVD), T2-chp 19, Color-bar
IC201-pin 47 [FG]
1
V: 1V/div. H: 2msec/div.
[Tray is opening]
GND
V: 1V/div. H: 10μsec/div.
GND
GND
x ao
y
. i
2
http://www.xiaoyu163.com
3
8
GND
GND
Q Q
3 6 7 1 3
[DVD PLAY]
GND
Press OPEN key
5
u163
.
XC-Z9
3
4
2 9 9 4 2 8
[Tray is closing]
V: 1V/div. H: 2sec/div.
1 5 0 5 8 2 9 9 4
[DMSO]
Tray :
PLAY
opening
Press PLAY key
Braking a turn of disc
IC201-pin 225 [ASPDIF AUDIO DIGITAL SIGNAL]
V: 2V/div. H: 500nsec/div.
m
co
4
9 9
GND
2 8 9 9
GND