Pioneer DRM-7000 Service Manual page 73

5
DRM-7000, DRM-AF751, DRM-AL751, DRM-AH721, DRM-PW701
Carriage base DOWN (Hi speed) Carriage base UP (Low speed)
1 CN602 pin2 (VOA)
V:0.5V/div 20µsec/div
2 CN602 pin3 (VOB)
V:0.5V/div 20µsec/div
3 TP601 (MMOUT)
V:0.5V/div 20µsec/div
1
2
3
5
6
Carriage base UP and DOWN
1 CN602 pin2 (VOA)
V:0.5V/div 1msec/div
2 CN602 pin3 (VOB)
V:0.5V/div 1msec/div
3 TP601 (MMOUT)
V:0.5V/div 1msec/div
1
4
2
5
3
6
7
5
6
7
6
4 IC603 pin1
V:0.2V/div 20µsec/div
5 IC603 pin7
V:0.2V/div 20µsec/div
6 CN601 pin4 (SBRK)
V:0.2V/div 20µsec/div
7 CN601 pin3 (XUP)
V:0.2V/div 20µsec/div
4
7
8
A
B
C
D
E
F
G
7
H
I
X
1/3
73
8
A
X
2/3
B
X
2/3
C
D