Sharp MX-6580N / MX-7580N (serv.man5) Service Manual ▷ View online
Parts marked with “
” are important for maintaining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the set.
SHARP CORPORATION
CONTENTS
CIRCUIT DIAGRAM
CODE: 00ZMX7580//C1
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM
MULTIFUNCTIONAL SYSTEM
MX-6580N
MODEL
MX-7580N
[1] BLOCK DIAGRAM
1. SYSTEM BLOCK DIAGRAM . . . . . . . . . 1-1
2. PCU PWB . . . . . . . . . . . . . . . . . . . . . . . . 1-2
3. MFP CONTROL PWB . . . . . . . . . . . . . . 1-3
4. SCANNER CONTROL PWB . . . . . . . . . 1-4
5. LSU PWB . . . . . . . . . . . . . . . . . . . . . . . . 1-5
[2] CIRCUIT DIAGRAM AND PARTS LAYOUT
1. MFP CONTROL PWB . . . . . . . . . . . . . . 2-1
2. PCU PWB . . . . . . . . . . . . . . . . . . . . . . 2-119
3. SCN-cnt PWB . . . . . . . . . . . . . . . . . . . 2-175
4. DSPF-cnt PWB . . . . . . . . . . . . . . . . . . 2-233
5. LSUcnt PWB . . . . . . . . . . . . . . . . . . . . 2-271
6. LVDS PWB . . . . . . . . . . . . . . . . . . . . . 2-303
7. DRIVER PWB . . . . . . . . . . . . . . . . . . . 2-308
[3] POWER LINE DIAGRAM
1. AC POWER LINE DIAGRAM . . . . . . . . . 3-1
2. DC POWER LINE DIAGRAM . . . . . . . . . 3-3
[4] ACTUAL WIRING CHART
1. LSU, MOTHER . . . . . . . . . . . . . . . . . . . . 4-1
2. Operation panel, Scanner. . . . . . . . . . . . 4-2
3. DSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4. Cassette, Paper feed, RESI . . . . . . . . . . 4-4
5. Right door, Manual paper feed . . . . . . . . 4-5
6. Delivery, Transport, PS . . . . . . . . . . . . . 4-6
7. Driver PWB . . . . . . . . . . . . . . . . . . . . . . . 4-7
8. Process, DL, DV . . . . . . . . . . . . . . . . . . . 4-8
9. High voltage, CRUM . . . . . . . . . . . . . . . . 4-9
10.DC power supply (Americas). . . . . . . . 4-10
11.DC power supply
(Europe, Australia, Asia) . . . . . . . . . . . 4-11
12.Fusing (Americas) . . . . . . . . . . . . . . . . 4-12
13.Fusing (Europe, Australia, Asia) . . . . . 4-13
14.FAX, USB, HDD, KEYBOARD . . . . . . 4-14
15.USB,INTERFACE . . . . . . . . . . . . . . . . 4-15
MX-7580N BLOCK DIAGRAM 1 – 1
[1] BLOCK DIAGRAM
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