Service manual

FO-4700U
FO-47UC
1
2 6
4
3
5
BDEFG
I
HCA
BDEFG
I
HCA
1
2
6
4
3
5
1 2 3 4 5 9
1
/FEED2
PICK3
+5V
DG
P EMP2
10PIN CONNECTOR
13PIN CONNECTOR
CN2
7
SIZE21
+24V
CN3
+24V
C2
10/16
/UNIT
SIZE20
/M3ON
M3CLK
/2ND:3RD
N.C.
PICK3 +5V DG P EMP3 /CASSETTE /3RDBIN LTR/LGL M3ON M3CLK
2 3 4 5 6 7 8 9
10
8 6
12 13 11 10
IC1
74HC157
TTL
1Y 2Y 3Y
1A 1B 2A 2B 3A 3B 4A 4B
A/B
G
4Y VCC GND
4
7
9
12 16
8
2 3 5 6 11 10 14 13 1 15
1
5PIN CONNECTOR
CN4
/2ND CASSETTE N.C. DG N.C. /LTR·LGL
2 3 4 5
+24V +5V
DG
+5V
DG
+24V
+5V
DG
DG
CN1
/FEED2 +24V
1 2
D1
1SR139
+24V
+5V
DG
R1
15K
R2
180
PC1
PC
13 24
+5V
R3
4.7K
R4
4.7K
R5
4.7K
R6
4.7K
R7
4.7K
R8
4.7K
C1
0.1
2PIN CONNECTOR
[8] Option:Paper cassette PWB circuit (FO-47UC) 1/1
Note: Since the parts of this PWB can not be supplied, change it as a unit.
6 – 32