Sharp MX-M905 (serv.man4) 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: 00ZMXM905/C1E
DIGITAL MULTIFUNCTIONAL
SYSTEM
SYSTEM
MODEL
MX-M905
[1] BLOCK DIAGRAM
1. SYSTEM BLOCK DIAGRAM . . . . . . . 1-1
2. PCU PWB . . . . . . . . . . . . . . . . . . . . . 1-2
3. SCANNER CONTROL PWB . . . . . . . 1-3
4. OPERATION UNIT. . . . . . . . . . . . . . . 1-4
5. MFP CONTROL PWB . . . . . . . . . . . . 1-5
6. LSU CNT PWB. . . . . . . . . . . . . . . . . . 1-6
[2] CIRCUIT DIAGRAM AND PARTS LAYOUT
1. MFP CONTROL PWB . . . . . . . . . . . . 2-1
2. PCU PWB . . . . . . . . . . . . . . . . . . . 2-119
3. SCANNER CONTROL PWB . . . . . 2-179
4. MOTHER PWB . . . . . . . . . . . . . . . 2-223
5. DSPF CONTROL PWB . . . . . . . . . 2-235
6. DSPF DRIVER PWB . . . . . . . . . . . 2-269
7. PF DRIVER PWB . . . . . . . . . . . . . . 2-277
8. PO DRIVER PWB . . . . . . . . . . . . . 2-281
[3] POWER LINE DIAGRAM
1. AC POWER LINE DIAGRAM . . . . . . . 3-1
2. DC POWER LINE DIAGRAM. . . . . . . 3-2
[4] ACTUAL WIRING CHART
1. Tandem/Multi-purpose/Interface path/
Vertical transport/Finisher/LCC/
DC fan . . . . . . . . . . . . . . . . . . . . . . . . .4-1
2. Process/MC/CS3/CS4/Drive motor . . .4-2
3. Paper exit . . . . . . . . . . . . . . . . . . . . . . .4-3
4. Motor driver/Process fan/Toner cartridge
motor/Bottle sensor . . . . . . . . . . . . . . .4-4
5. High voltage/DSW/DV/Intermediate
hopper/Toner cartridge/Manual feed/LCC
transport/Toner motor . . . . . . . . . . . . .4-5
6. LSU . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
7. Fusing (Europe, Other destinations) . .4-7
8. Fusing (North America) . . . . . . . . . . . .4-8
9. PS/Transfer . . . . . . . . . . . . . . . . . . . . .4-9
10. FAX/USB/HDD/Keyboard. . . . . . . . . .4-10
11. Scanner . . . . . . . . . . . . . . . . . . . . . . .4-11
12. Operation unit. . . . . . . . . . . . . . . . . . .4-12
13. DSPF . . . . . . . . . . . . . . . . . . . . . . . . .4-13
14. DC power supply . . . . . . . . . . . . . . . .4-14
15. AC power supply . . . . . . . . . . . . . . . .4-15
MX-M905 BLOCK DIAGRAM 1 – 1
[1] BLOCK DIAGRAM
1. SYSTEM BLOCK DIAGRAM
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MX-M905 BLOCK DIAGRAM 1 – 2
2. PCU PWB
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㼏㼕㼘㼘㼍
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㻱㼄㼀㻭
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㻲㼃㻌
㻹㼛㼚㻌
㻹㼛㼚㻌
MX-M905 BLOCK DIAGRAM 1 – 3
3. SCANNER CONTROL PWB
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㻯㻸㻷
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㻸㼂㻰㻿㻌㻵㻯㻌㻾㼤
㻰㻿㻼㻲㼏㼚㼠㻌㻼㼃㻮
㻯㻯㻰㻙㻾㻌㻼㼃㻮
㻝㻞㼂
㻞㻠㼂
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㻳㼛㼞㼓㼛㼚
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㻸㻰㻻㻌㻿㼑㼏㼠㼕㼛㼚
㻯㻸㻷
㻸㻰㻻
㻯㻼㼁
㻴㻤㻿㻛㻞㻟㻣㻟
㻸㻰㻻
㻝㻞㼂
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㻸㻰㻻㻌㻿㼑㼏㼠㼕㼛㼚
㻝㻞㼂
㻡㼂㻸
㻟㻚㻟㼂
㻞㻠㼂
㻵㻼㻰㻛㻰㻻㻯㻯
㻼㻹㻯㻌㻭㻿㻵㻯
㻿㻾㻭㻹
㻝㻹㼎
㻸㻰㻻
㻝㻞㼂
㻔㼀㼛㻌㻯㻯㻰㻌㻼㼃㻮㻕㻌㻝㻜㼂
㻟㻚㻟㼂
㻔㼀㼛㻌㻿㻯㻭㻺㻌㻭㻿㻵㻯㻕㻌㻝㻚㻞㼂
㻝㻞㼂
㻔㼀㼛㻌㻯㻯㻰㻌㻼㼃㻮㻕㻌㻡㻚㻟㼂
㻡㼂㻸
㻔㼀㼛㻌㻯㻯㻰㻌㻼㼃㻮㻕㻌㻟㻚㻟㼂
㻸㻰㻻
㻸㻰㻻
㻸㻰㻻
㻰㻿㻼㻲
㻰㼞㼕㼢㼑㼞㻌㻼㼃㻮
㻹㼛㼠㼛㼞
㻰㻿㻼㻲㻌㻲㻭㻺
㻝㻹㼎
㻲㼘㼍㼟㼔㻾㻻㻹
㻤㻹㼎
㻟㻚㻟㼂
㻔㼀㼛㻌㻿㻯㻭㻺㻌㻭㻿㻵㻯㻕㻌㻝㻚㻞㼂
㻸㻰㻻
㻯㻸㻷㻌㻿㼑㼏㼠㼕㼛㼚
㻸㻱㻰
㻰㼞㼕㼢㼑㼞
㻸㻱㻰
㻿㼑㼚㼟㼛㼞
㻯㻼㼁㻌㻛㻌㻿㻯㻭㻺㻌㻭㻿㻵㻯
㻯㻸㻷
㻲㼘㼍㼟㼔㻹㼑㼙㼛㼞㼥
㻤㻹㼎
㻔㻿㼔㼍㼞㼐㼕㼚㼓㻕
㻸㻱㻰
㻰㼞㼕㼢㼑㼞
㻸㻱㻰
㻯㻸㻷
㻳㼑㼚㼑㼞㼍㼠㼛㼞
㻿㻯㻭㻺㻌㻭㻿㻵㻯
㻸㼂㻰㻿 㻵㻯 㻾㼤
㻟 㼘㼕㼚㼑 㼏㼛㼘㼛㼞 㻯㻯㻰
㻭㻲㻱
㻿㻯㻺㼏㼚㼠㻌㻼㼃㻮
㻯㻯㻰㻙㻲㻌㻼㼃㻮
㻹㼛㼠㼔㼑㼞㻌㻼㼃㻮
㻲㻙㻾㻳㻮
㼐㼍㼠㼍
㻰㻿㻼㻲㻙㻾㻳㻮
㼐㼍㼠㼍
㻸㻯㻰
㼐㼍㼠㼍
㼐㼍㼠㼍
㻸㼂㻰㻿㻌㻵㻯㻌㻾㼤
㻸㼂㻰㻿㻌㻵㻯㻌㼀㼤
䠄㻴㼑㼞㻞ඹ㏻䠅
㻿㻯㻭㻺㻌㻭㻿㻵㻯
㻳㼛㼞㼓㼛㼚
㻺㼑㼣㻌
㻵㻼㻰㻛㻰㻻㻯㻯
㻸㼂㻰㻿㻌㻵㻯㻌㼀㼤
㻸㼂㻰㻿㻌㻵㻯㻌㻾㼤
㻭㻲㻱
㻟㻌㼘㼕㼚㼑㻌㼏㼛㼘㼛㼞㻌㻯㻯㻰
㻸㼂㻰㻿㻌㻵㻯㻌㻾㼤
㻭㻲㻱
㻝㻞㼂
㻡㼂㻸
㻟㻚㻟㼂
㼐㼍㼠㼍
㻾㻙㻾㻳㻮
㼐㼍㼠㼍
㻻㻯㻙㻾㻳㻮
㼐㼍㼠㼍
CPU
H8S/2373
㼀㻳
㻟㻚㻟㼂
㻔㼀㼛㻌㻭㻲㻱㻕㻌㻝㻚㻤㼂
㻸㻰㻻㻌㻿㼑㼏㼠㼕㼛㼚
㻯㻸㻷
㻸㻰㻻
㻟㻚㻟㼂
㻞㻠㼂
㻯㻼㼁䜈
㼡㼍㼞㼠
㻵㻞㻯
㻮㼡㼒㼒㼑㼞
㻵㻞㻯㻔㼀㻼㻕
㻟㻚㻟㼂㼋㻱㻯㻻
㻹㼁㻸㼀㻵㻌㼀㻻㼁㻯㻴
㻰㼞㼕㼢㼑㼞
㻡㼂㻻
㻿㻾㻭㻹
㻝㻹㼎
㻲㼘㼍㼟㼔㻾㻻㻹
㻤㻹㼎
㻸㻰㻻
㻝㻞㼂
㻔㼀㼛㻌㻯㻯㻰㻌㻼㼃㻮㻕㻌㻝㻜㼂
㻸㻰㻻㻌㻿㼑㼏㼠㼕㼛㼚
㻝㻞㼂
㻔㼀㼛㻌㻯㻯㻰㻌㻼㼃㻮㻕㻌㻡㻚㻟㼂
㻸㻰㻻
㻹㼛㼠㼛㼞
㻰㼞㼕㼢㼑㼞
㻰㼞㼕㼢㼑㼞
㻹㼕㼞㼞㼛㼞
㻹㼛㼠㼛㼞
㻹㼛㼠㼛㼞
㻸㻱㻰 㻰 㼕
㻹㼍㼕㼚㻌㻰㻯㻌㻼㼃㻮
㻰㻯㻰㻯㻌㻿㼑㼏㼠㼕㼛㼚
㻸㻯㻰
㻝㻜 㻝 㼕
㼔
㻸㼂㻰㻿㻌㻵㻯㻌㻾㼤㻌
㻸㼂㻰㻿㻌㻵㻯㻌㼀㼤
㻡㼂㻻
㻲㼘㼍㼟㼔㻾㻻㻹
㻤㻹㼎
㻯㻸㻷㻌㻿㼑㼏㼠㼕㼛㼚
㻔㼀㼛㻌㻯㻯㻰㻌㼍㼚㼐㻌㻰㻿㻼㻲㻌㻼㼃㻮㻕㻌
㻟㻚㻟㼂
㻸㻱㻰㻌㻰㼞㼕㼢㼑㼞
㻼㼃㻮
㻸㻱㻰
㻯㻯㻰㻌㻲㻭㻺
㻰㻯㻰㻯㻌㻿㼑㼏㼠㼕㼛㼚
㻰㻯㻰㻯
㻡㼂㻸
㻸㻯㻰
㻝㻜㻚㻝 㼕㼚㼏㼔
㻼㻻㼃㻱㻾㻌㻿㼃
㻔㼀㼛㻌㻸㻯㻰㻕 㻢㻚㻟㼂
㻰㻯㻰㻯
㻞㻠㼂
㻯㻸㻷
㻯㻸㻷
㻳㼑㼚㼑㼞㼍㼠㼛㼞
㻲㻱㼀㻌㻿㼑㼏㼠㼕㼛㼚
㻲㻱㼀
㻡㼂
㻼㻰
㻻㻯㻿㼃
㻹㻴㻼
㻼㻰
㻯㻼㼁㻛㻿㻯㻭㻺㻌㻭㻿㻵㻯㻌
㻼㻻㼃㻱㻾㻌㻿㼃
㻼㼃㻮
㼀㼛㼡㼏㼔
㻼㼍㼚㼑㼘
㻮㼡㼦㼦㼑㼞
㻲㻱㼀
㻡㼂
㻼㻰
㻻㻯㻿㼃
㻭㼡㼐㼕㼠㼛㼞
㻼㼍㼚㼑㼘
㻴㻻㻹㻱㻌㻷㻱㼅
㻼㼃㻮
㟼㟁 㻷㼑㼥
㻡㼂㻻
