![Sharp FO-4450 Service Manual Download Page 122](http://html.mh-extra.com/html/sharp/fo-4450/fo-4450_service-manual_365434122.webp)
FO-4450U/FO-CS1
Joint PWB
TONER
FAX1
FAX2
ON LINE
DATA
ALARM
ULTRA FINE
FINE
STANDARD
HALF TONE
SUPER FINE
LED PWB
(TO COG)
(TO PANEL)
1
2
GND
1
5V
2
VO
3
RS
4
R/XW
5
E
6
LD0
7
LD1
8
LD2
9
LD3
10
LD4
11
LD5
12
LD6
13
LD7
14
1
2
1
2
1
2
1
2
1
2
1
2
GND
13
LED7
3
LED8
5
LED9
7
LED10
9
LED11
11
LED3
2
LED1
12
LED2
10
LED4
4
LED6
6
LED5
8
5V
1
TH2
15
TH1
14
1
2
1
2
GND
14
5V
9
VO
12
RS
11
R/XW
10
E
13
LD0
8
LD1
7
LD2
6
LD3
5
LD4
4
LD5
3
LD6
2
LD7
1
1
2
1
2
1
2
LED3
R1
150
CNCOGA
52030-1410
LED4
GL3EG44
R2
150
Q1
KRC102M
LED8
GL3EG44
R8
150
R3
N.M.
Q8
KRC102M
R9
150
LED1
GL3HD43
LED12
GL3EG44
R4
150
R10
150
R5
R11
150
LED5
Q9
KRC102M
LED9
GL3EG44
R7
N.M.
R6
Q11
K
RC102M
CNLED
HLW15R-2C7
CNLED
Q2
KRC102M
Q3
N.M.
Q4
KRC102M
RT1
N.M.
t
Q7
N.M.
Q6
N.M.
Q5
LED6
CNCOGB
52030-1410
Q10
KRC102M
LED2
GL3HD43
LED7
LED10
GL3EG44
+5V
DG
+5V
DG
DG
+5V
LED6
LED10
LED2
LED4
LED7
LED5
LED3
LED9
LED11
LED8
LED1
LED7
2
LED4
2
LED1
2
LED8
2
LED10
2
LED6
2
LED5
2
LED9
2
LED2
2
LED11
2
LED3
2
N.M.
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
6
6
5
5
4
4
3
3
2
2
1
1
Operation Panel PWB circuit
3/3
Note: Since the parts of this PWB cannot be supplied, change it as a unit.
6 – 29
manuals4you.com
manuals4you.com
Summary of Contents for FO-4450
Page 109: ...FO 4450U FO CS1 Control PWB parts layout Top side 6 16 F1 F2 F5 ...
Page 112: ...FO 4450U FO CS1 LIU PWB parts layout Top side 6 19 manuals4you com manuals4you com ...
Page 113: ...FO 4450U FO CS1 LIU PWB parts layout Bottom side 6 20 ...
Page 116: ...FO 4450U FO CS1 Printer PWB parts layout Top side 6 23 manuals4you com manuals4you com ...
Page 117: ...FO 4450U FO CS1 Printer PWB parts layout Bottom side 6 24 ...
Page 128: ...FO 4450U FO CS1 8 2 M E M O manuals4you com manuals4you com ...