Service manual

69
– PANEL Board –
IC601 M66004M8FP
IC931 M62016LIC171 LB1641
1
2 3
4
5 6 7 8 9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1 VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D O.C.P
FWD/REV/STOP
CONTROL LOGIC
1
2 3
4
5
+
–
INTERRUPT SIGNAL
GENERATING BLOCK
RESET SIGNAL
GENERATING BLOCK
+
–
GND INT RESET CD VCC
COM
COM
INDICATION
CODE
RESISTOR
(8BIT x 16)
DECODER
(35BIT x 16)
DECODER
(35BIT x 16)
CODE/COMMAND
CONTROL
CIRCUIT
INDICATION
CONTROL
RESISTOR
INDICATION
CONTROLLER
DIGITAL
OUTPUT
CIRCUIT
CODE
WRITE
SERIAL
RECEIVE
CIRCUIT
OUTPUT
PORT
(2BIT)
CLOCK
GENERATOR
CIRCUIT
RAM WRITE
CODE SELECT
DIG12
|
DIG15
V
CC 2
SEG0
|
SEG26
V
SS
XIN
XOUT
V
CC 1
RES
DIG11
|
DIG0
CS
CLK
DATA
SEG35
|
SEG27
P1
P0
14
15
16
17
18
19
20
21
22
23
|
31
13
1
|
12
SEGMENT OUTPUT CIRCUIT
59
|
33
60
32
VP
64
|
61