FRAME-GND
FRAME-GND
FRAME-GND 1
Vcc 2
IN1 3
OUT1 4
Vs1 5
OUT2 6
IN2 7
FRAME GND 8
FRAME-GND
FRAME-GND
16 FRAME-GND
15 IN3
14 OUT3
13 Vs2
12 OUT4
11 IN4
10 NC
9 FRAME GND
IN1,3
H
L
H
L
IN2,4
L
H
H
L
OUT1,3
H
L
L
OFF
OUT2,4
L
H
L
OFF
MODE
Forward
Reverse
Brake
Standby
2. Truth table
VCC
VS2
VS1
OUT1
OUT2
OUT3
OUT4
F-GND
IN1
IN2
IN3
IN4
Controller
Controller
LB1831M-W (IC440) : Motor driver
1. Pin layout
3. Block diagram
Summary of Contents for KD-MX2900R
Page 64: ...Printed circuit boards Main board old type Forward side Main board old type Reverse side ...
Page 65: ...Main board new type Forward side Main board new type Reverse side ...
Page 66: ...MD CD Servo board Forward side Switch board Forward side ...
Page 67: ...MD CD Servo board Reverse side Switch board Reverse side ...