Panasonic SJ-MJ75 Service Manual page 58

Portable md player
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Pin
Mark
I/O
No.
Division
1
SPWIN
I
2
SPCOM
I
3
EXTCLK
I
4
C1P
5
C1M
6
C2P
7
C2M
8
VG
O
9
SLVM1
I
10
SLUOUT
O
11
SLPG1
12
SLVOUT
O
13
SLVM2
I
14 SLWOUT
O
15
SLPG2
16
SLCOM
I
17
BEMFW
O
18
BEMFV
O
19
BEMFU
O
20
S3
I
21
S2
I
22
S1
I
23
SGND
24
ASGND
Function
Roter position detect
comparater(W) input
terminal
Spindle motor coil center
input terminal
Not used, open
Charge pump capacitor 1(+)
connect terminal
Charge pump capacitor 1(-)
connect terminal
Charge pump capacitor 2(+)
connect terminal
Charge pump capacitor 2(-)
connect terminal
Charge pump output
terminal
Power supply terminal
Stepping motor (U) output
terminal
GND terminal
Stepping motor (V) output
terminal
Power supply terminal
Stepping motor (W) output
terminal
GND terminal
Step motor coil center
input terminal
Step detect comparater(W)
output terminal
Step detect comparater(V)
output terminal
Step detect comparater(U)
output terminal
Stepping decorder 3 input
terminal
Stepping decorder 2 input
terminal
Stepping decorder 1 input
terminal
GND terminal
GND terminal
58

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