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R M 4
R M 2
(
2
%
)
7
1
2
R M P T 1
O U T 3
I 0
I N 3
C / R
O U T 2
8
1 7
2 5
7
2 1
1
1 5
2 8
2 9
3 0
1 1
2 0
V S A
R S A
V S B
R S B
2 3
4
2 2
V R
I N 1
I N 2
2 6
I 1
1 8
I N 4
1 6
3 0 R E T
1 3
3
5
6
9
1 0
1 2
2 4
1 9
O U T 4
S T B
C 2 6
C C 1 0 4
3 0 R E T
G N D
V M M A
V M M B
V C C
V C C
G N D
1 4
2
O U T 1
2 7
R M 3
R M 1
N C
N C
N C
N C
N C
N C
N C
R M P T 2
4
+ 5 V
+ 5 V
R 6
1 . 2
1 / 2 W ( 2 % )
C
2
5
C
C
3
3
2
R
7
1
.
2
1
/
2
W
R
1
5
2
0
K
C
2
7
C
C
1
0
4
(
2
1
2
5
)
C 2 4
C C 1 0 4
# 2 7
M T D 2 0 0 2 F
C
2
3
C
C
1
0
4
+ 3 0 V
4
2
+ 2 2 V C N T
5 5 C
S 0 V
R 3 4
6 2 K
+
-
R 3 2
3 9
R 3 3
5 . 1 K
# 2 9
B A 1 0 3 3 9 F
5
4
2
8 3 B
+ 3 0 V
S 0 V
+
-
5
3
1
4
2
P 1 0
R M O T
B 5 B - P H
3
8
P 8
P S 2
B 8 B - P H
5
6
1 4 B
1
2
3
7
P 1 8
P S 1
B 7 B - P H
( B L A C K )
4
5
6
+ 1 1 . 7 5 V
C 1 4 0
C C 1 0 4
D 1 2
G Z B 1 5
C 1 3
1 0 V / 1 0 0
+ 2 2 V
S 0 V
3 0 R E T
R 5
3 . 6 K
1 / 4 W
S 0 V
+ 2 2 V C N T
S 0 V
C 1 4
1 0 V / 1 0 0
+ 3 . 3 V
+ 3 0 V
C 2 5 4
3 5 V / 1 0 0
+ 5 V
S 0 V
5
5 1 A
O N 2 2 V
1 4 B
1 4 B
1 4 B
1 2 D
S 0 V
1 2 D
A
B
1
2
3
C
D
1
2
3
5
6
A
B
C
D
6
4
4
5
A
Main PCB 5/10
Содержание MFC-7050C
Страница 1: ...FACSIMILE EQUIPMENT SERVICE MANUAL MODEL MFC7050C ...
Страница 4: ...CHAPTER I GENERAL DESCRIPTION ...
Страница 10: ...CHAPTER II INSTALLATION ...
Страница 11: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...
Страница 14: ...CHAPTER III THEORY OF OPERATION ...
Страница 16: ...III 1 1 OVERVIEW ...
Страница 27: ...III 12 Location of Sensors and Actuators ...
Страница 30: ...III 15 ...
Страница 35: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 41: ...IV 4 n n Disassembly Order Flow ...
Страница 51: ...IV 14 2 Remove the two screws from the scanner frame ASSY See the illustration on the next page ...
Страница 93: ...IV 56 1 33 Ink Foam 1 Take up the ink foam from the lower cover ...
Страница 94: ...IV 57 1 34 Harness Routing ...
Страница 96: ...IV 59 2 Control panel locks 3 Scanner frame ASSY and separation roller gear ...
Страница 97: ...IV 60 4 Top cover lock spring 5 Gear plate ASSY ...
Страница 98: ...IV 61 6 Hinges 7 Frame chassis ASSY ...
Страница 99: ...IV 62 8 Idle pulley holder 9 Maintenance ASSY ...
Страница 100: ...IV 63 10 Exit roller ASSY 11 Large feed roller ASSY ...
Страница 101: ...CHAPTER V MAINTENANCE MODE ...
Страница 108: ...V 6 Scanning Compensation Data List ...
Страница 123: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Страница 135: ...May 99 SM8XD115 Printed in Japan ...
Страница 136: ...MFC7050C Appendix 1 EEPROM Customizing Codes ...
Страница 153: ...E Power Supply PCB ...