Read Sharp MX-M850 (serv.man41) Service Manual online
MX-M1100 ELECTRICAL SECTION 11 – 16
SPFM_A
SPFM (Stepping motor)
Transport motor drive signal
—
—
CN9
20
DSPF-
Driver
PWB
SPFM_B
SPFM (Stepping motor)
Transport motor drive signal
—
—
CN9
17
DSPF-
Driver
PWB
SPFM_C0
SPFM (Stepping motor)
Transport motor current select
—
—
CN4
27
DSPFcnt
PWB
SPFM_C0
SPFM (Stepping motor)
Transport motor current select
—
—
CN7
27
DSPF-
Driver
PWB
SPFM_C1
SPFM (Stepping motor)
Transport motor current select
—
—
CN4
26
DSPFcnt
PWB
SPFM_C1
SPFM (Stepping motor)
Transport motor current select
—
—
CN7
26
DSPF-
Driver
PWB
SPFM_MODE#
SPFM (Stepping motor)
Transport motor current select
2 phase
1-2 phase
CN4
28
DSPFcnt
PWB
SPFM_MODE#
SPFM (Stepping motor)
Transport motor current select
2 phase
1-2 phase
CN7
28
DSPF-
Driver
PWB
SPFM_STEP#
SPFM (Stepping motor)
Transport motor drive CLK
—
—
CN4
29
DSPFcnt
PWB
SPFM_STEP#
SPFM (Stepping motor)
Transport motor drive CLK
—
—
CN7
29
DSPF-
Driver
PWB
SPLS1
SPLS1 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN5
1
DSPF-
Driver
PWB
SPLS1_IN
SPLS1 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN1
23
DSPFcnt
PWB
SPLS1_IN
SPLS1 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN1
23
DSPF-
Driver
PWB
SPLS3
SPLS3 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN5
7
DSPF-
Driver
PWB
SPLS3_IN
SPLS3 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN1
21
DSPFcnt
PWB
SPLS3_IN
SPLS3 (Photo interrupter)
DSPF document length
detection
detection
Document
empty
Document
present
CN1
21
DSPF-
Driver
PWB
SPOD
SPOD (Photo interrupter)
DSPF paper exit pass
detection
detection
Document
present
Document
empty
CN3
5
DSPF-
Driver
PWB
SPOD_IN
SPOD (Photo interrupter)
DSPF paper exit pass
detection
detection
Document
present
Document
empty
CN1
29
DSPFcnt
PWB
SPOD_IN
SPOD (Photo interrupter)
DSPF paper exit pass
detection
detection
Document
present
Document
empty
CN1
29
DSPF-
Driver
PWB
SPOM_/A
SPOM (Stepping motor)
Paper exit motor drive signal
—
—
CN10
14
DSPF-
Driver
PWB
SPOM_/B
SPOM (Stepping motor)
Paper exit motor drive signal
—
—
CN10
22
DSPF-
Driver
PWB
SPOM_A
SPOM (Stepping motor)
Paper exit motor drive signal
—
—
CN10
16
DSPF-
Driver
PWB
SPOM_B
SPOM (Stepping motor)
Paper exit motor drive signal
—
—
CN10
24
DSPF-
Driver
PWB
SPOM_C0
SPOM (Stepping motor)
Paper exit motor current select
—
—
CN1
6
DSPFcnt
PWB
SPOM_C0
SPOM (Stepping motor)
Paper exit motor current select
—
—
CN1
6
DSPF-
Driver
PWB
SPOM_C1
SPOM (Stepping motor)
Paper exit motor current select
—
—
CN1
7
DSPFcnt
PWB
SPOM_C1
SPOM (Stepping motor)
Paper exit motor current select
—
—
CN1
7
DSPF-
Driver
PWB
SPOM_STEP#
SPOM (Stepping motor)
Paper exit motor drive CLK
—
—
CN1
5
DSPFcnt
PWB
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
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