Pioneer SVM-1000 Service Manual page 181
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5
NOTE :
The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram and PCB diagram.
GLED
13
: V
5
V
d /
. v i
: H
5
m
S
d /
. v i
13_GLED.TIF
GND
VLED
14
: V
5
V
d /
. v i
: H
5
m
S
d /
. v i
14_VLED.TIF
GND
U
DIO2 ASSY
S
Y
N
C
_
O
U
T
P
U
T
1
V:
0.2 V/div.
H:
20 uS/div.
S
Y
N
C
_
O
U
T
P
U
T
T .
F I
GND
Y
USB1 ASSY
D
+
U
S
B
1
1
V:
2 V/div.
H:
5 uS/div.
D+USB1.TIF
GND
5
6
C
H
3
_
I D
G
_ I
N I
P
U
T
2
V:
1 V/div.
H:
20 uS/div.
C
H
3
_
I D
G
_ I
N I
P
U
T
T .
F I
GND
D
-
U
S
B
1
2
V:
2 V/div.
H:
5 uS/div.
D
-
U
S
B
1
T .
F I
GND
SVM-1000
6
7
V
DIO1 ASSY
M
I
I D
1
: V
1
V
d /
. v i
: H
10 mS/div.
MIDI.TIF
GND
V
+
5
2
: V
2
V
d /
. v i
: H
10 mS/div.
V
+
5
T .
F I
GND
V
3
R
3
3
V:
2 V/div.
H:
10 mS/div.
V
3
R
3
T .
F I
GND
I D
G
_ I
4
8
9
6
_
N I
(48)
4
V:
2 V/div.
H:
200 nS/div.
I D
G
_ I
4
8
9
6
_
N I
4 (
) 8
T .
F I
GND
DIGI_4896_IN(96)
4
V:
2 V/div.
H:
200 nS/div.
DIGI_4896_IN(96).TIF
GND
I D
G
T I
A
L
_
O
U
T
5
V:
2 V/div.
H:
500 nS/div.
I D
G
T I
A
L
_
O
U
T
T .
F I
GND
7
8
C I
6
5
0
3
-
pin10
6
V:
1 V/div.
H:
20 uS/div.
IC6503 10.TIF
GND
C I
6
5
0
3
-
pin11
7
V:
1 V/div.
H:
500 nS/div.
C I
6
5
0
3
1
1
T .
F I
GND
C I
6
5
0
3
-
pin14
8
V:
1 V/div.
H:
50 nS/div.
C I
6
5
0
3
1
4
T .
F I
GND
IC6503 - pin17
9
V:
50 mV/div. H:
20 uS/div.
C I
6
5
0
3
1
7
T .
F I
GND
IC6503 - pin20
1
0
V:
1 V/div.
H:
1 uS/div.
IC6503 20.TIF
GND
C I
6
5
0
5
-
pin1
1
1
V:
20 mV/div. H:
20 nS/div.
C I
6
5
0
5
1
T .
F I
GND
181
8
A
B
C
D
E
F
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