Service manual

FO-IS125N
6 – 6
6. Printer Control (Main Motor & Sensors) Block (5/12)
(1-1D)
(1-1D)
(1-6E,2-1G,6-3B)
A A
B B
C C
D D
E E
F F
G G
H H
I I
6 6 5 5 4 4 3 3 2 2 1 1
MG
MG
DG
INT5V
MG
MG
MG
MG
MG
MG
+3.3V
+24V
DG
DG
+3.3V
DG
DG
+3.3V
INT5V
DG
+24V
MG
MG
+3.3V
MG
MG
DG
+3.3V
MG
nMMEN
MMSTEP nMANRES
nPOUT
nPIN
nTCT2 nTCT0 nTCT1
UARTTX
PUS
3.75v ->1.5A
CS of Ext-ROM for CHECKER
C513
0.1u
12
F500
KAB2402 402 NA29
5
1 8 7 6
2 3 4
BR500
10Kx4
R501 0.22 (1W)
D501
1SS301
+
C503
100u/50V(105C)
C511 0.1u/50V (1608)
C509 0.01u/50V (1608)
C508 0.01u/50V (1608)
C507 0.01u/50V (1608)
C514
1000p
R507
10K
TP500
C505 N.M.
C516
N.M.
TP502
C515
1000p
C500 N.M.
TCT0
1
GND0
2
TCT1
3
GND1
4
GND2
6
TCT2
5
1 2 3 4 5 6
CNTNR
B4B-PH-K-R (B6B-PH-K-R)
C510
0.22u/16V (1608)
R512 N.M.
TP508
C517
1000p
TP505
R504
30K
TP507
12
F501
KAB5002 321 NA29
R509 10K
MA+
1
MB+
2
MA-
3
MB-
4
1 2 3 4
CNMM
B4B-PH-K-S
TP503
R511 100
C504
1000p
C502
0.1u/50V (1608)
C512
10u (2012)
VBB1
22
OUT1B
21
OUT2B
4
VBB2
3
SENSE2
2
REF
17
SENSE1
23
STEP
16
PGND
6
OUT1A
24
OUT2A
1
VDD
15
CP1
8
CP2
9
ROSC
14
ENABLE
5
PGND
7
VCP
10
DIR
20
PGND
19
PGND
18
MS1
12
RESET
13
VREG
11
IC500
A3982SLB
C501
N.M. (1608)
R500
10K
+24V
1
SLON
2
1 2
CNSL
B2B-PH-K-S
R505 0.22 (1W)
D500
HZU6.2B2
C518
1000p
R506
N.M. (1608)
C506 0.01u/50V (1608)
R508 100
B
E
C
Q500
RT5N234C
POUT1__AN
3
GND
2
POUT
1
1 2 3
CNPOUT
B3B-PH-K-S
TP506
TP501
R502
10K
PIN
1
GND
2
1 2
CNPIN
B2B-PH-K-R
1 2
R503
20K
R510 100
TP504
C519
N.M.
Printer Control (Main Motor & Sensors) Block
5/12
MOTOR DRIVER
(1-3G) (1-3E) (1-3E)
(1-3G)
(1-3G) (1-3G)
(1-1D)