+ 5 v
S 0 V
+ 5 B
R V D D
S 0 V
+ 5 V
D 2
M A 7 0 0
C 1
5 . 5 V
4 7 3 F
* C 3
1 0 0
/ 1 0 V
R 1 7 2
0
L 1 1
B L M 1 1 A 2 0
R 1 7 0
1 K
1 0
1 4 C
- A C K
1 1
1 4 C
B U S Y
1 2
1 4 B
P P E
1 3
1 4 B
S L C T
3 2
1 4 B
F L T
3 1
1 4 B
P R M I N T
3 6
1 4 B
S E L I N
1 4
1 4 B
H B U Y
1
1 4 C
S T B
D C 0
8
1
3
D C 1
7
2
6
3
8
1
6
3
7
2
8
D C 6
8
1
9
D C 7
5
4
6
D C 4
8
1
7
D C 5
7
2
4
D C 2
6
3
5
D C 3
5
4
8
2
6
3
7
4
5
1
5
4
6
1
7
2
8
3
5
4
6
3
7
2
C
5
0
5
4
C C 1 0 1 x 1 5
1 4 C
D C B U S
2
1 6
1 7
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
5 7 R E - 4 0 3 6
1 8
2 . 2 K x 4
2 . 2 K x 4
R 5 5
1 5 0
R 5 6
1 5 0
R 5 7
1 5 0
R A 7
1 . 0 K x 4
R A 9
R A 1 1
S 0 V
+ 5 V
P 1 1
R A 1 0
1 0 0 x 4
1 0 0 x 4
R A 8
1 0 0 x 4
R A 6
C
2
0
C
1
9
C
1
8
C
1
7
C
3
7
C
3
6
C
3
5
C
3
8
C
6
8
C
C
4
7
1
C
6
7
C
6
9
C
6
6
C
5
2
C
5
1
C
5
4
C
5
3
S 0 V
1 6 A
-
-
Q 3 3
S O V
C 1 2 9
C C 1 0 4
R 1 7 3
1 K
M I N T H
R 1 7 4
3 3 K
Q 3 2
2 S A 1 3 6 4
+ 5 V
D 1
1 S S 1 3 3
R 1 7 1
0
S 0 V
S 0 V
P 1
B 2 B - P H
S 0 V
D 3
1 S S 1 3 3
+ 2 4 V
R 1 7 6
1 0 K
R 1 7 5
4 . 3 K
D T C 1 2 4 E K
C 1 1 9
C C 1 0 4
S 0 V
Q 3 5
R H 5 R 4 7
1
2
O U T
G N D
I N
+ 5 V
7 4 L S 1 4
7 4 L S 1 4
7 4 L S 1 4
S 0 V
7 4 L S 1 4
7 4 L S 1 4
1 2 B
1 3
1 2
1 1
1 0
# 2
# 2
# 2
1 4
7
E
B
C
# 2
1
3
+ 5 V
2
4
7 4 L S 1 4
7 4 L S 1 4
5
9
6
8
R 1 9 2
1 8
R 1 9 3
1 8
Q 3 4
2 S A 1 3 6 4
L 6
0
L 1 0
B L M 1 1 A 2 0
C 1 3 0
C C 1 0 1
C 1 4 6
C C 3 3 2 B
S 0 V
R 2 0 5
1 / 2 W
0 . 4 7
F A X 3 7 5 0
M F C 7 7 5 0
)
A S S Y
* * * * * * *
N O T
A S S Y
F A X 3 7 5 0
M F C 7 7 5 0
N O T
A S S Y
)
* * * * * * *
A S S Y
R 2 0 3
8 2
1 2 C
R S
4 6 C
M I N T
C
C
1
0
2
R 2 5 7
0
S O V
R 2 5 8
)
(
A
B
1
2
3
C
D
1
2
3
5
6
A
B
C
D
6
4
4
5
A
Main PCB 6/7
Содержание FAX-8650P
Страница 1: ...FACSIMILE EQUIPMENT SERVICE MANUAL MODEL FAX3750 FAX 8650P MFC7750 ...
Страница 5: ...CHAPTER I GENERAL DESCRIPTION ...
Страница 12: ...CHAPTER II INSTALLATION ...
Страница 13: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...
Страница 16: ...CHAPTER III THEORY OF OPERATION ...
Страница 18: ...III 1 1 OVERVIEW Not provided on the FAX 8650P ...
Страница 21: ...III 4 2 2 Laser Printing Mechanism 2 2 1 Paper pulling in registration feeding and ejecting mechanism ...
Страница 28: ...III 11 Not provided on the FAX 8650P Location of Sensors and Actuators ...
Страница 31: ...III 14 Main PCB Modem PCB ...
Страница 36: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 42: ...IV 4 n n Disassembly Order Flow ...
Страница 71: ...IV 33 1 Provided on the FAX 8650P 2 Not provided on the FAX 8650P ...
Страница 72: ...IV 34 Setting up the main PCB after replacement ...
Страница 84: ...IV 46 2 Control panel locks 3 Scanner frame ASSY and separation roller gear ...
Страница 85: ...IV 47 4 Top cover lock spring 5 Gear drive unit ...
Страница 86: ...CHAPTER V MAINTENANCE MODE ...
Страница 93: ...V 6 Scanning Compensation Data List ...
Страница 141: ...V 54 FAX3750 FAX 8650P MFC7750 Key Button Entry Order ...
Страница 146: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Страница 171: ...Oct 98 SM5X5303 Printed in Japan ...
Страница 172: ...FAX3750 FAX 8650P MFC7750 Appendix 1 EEPROM Customizing Codes ...
Страница 194: ......
Страница 195: ......
Страница 196: ......