Read Sharp MX-M850 (serv.man41) Service Manual online
MX-M1100 ELECTRICAL SECTION 11 – 18
SPUM_B#
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN7
10
DSPF-
Driver
PWB
SPUM_C0
SPUM (Stepping motor)
Paper feed motor current select
—
—
CN4
7
DSPFcnt
PWB
SPUM_C0
SPUM (Stepping motor)
Paper feed motor current select
—
—
CN7
7
DSPF-
Driver
PWB
SPUM_C1
SPUM (Stepping motor)
Paper feed motor current select
—
—
CN4
6
DSPFcnt
PWB
SPUM_C1
SPUM (Stepping motor)
Paper feed motor current select
—
—
CN7
6
DSPF-
Driver
PWB
SPUM_XA#
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN4
9
DSPFcnt
PWB
SPUM_XA#
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN7
9
DSPF-
Driver
PWB
SPUM_XB#
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN4
8
DSPFcnt
PWB
SPUM_XB#
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN7
8
DSPF-
Driver
PWB
SPWS
SPWS (Volume) resistance
Document width detection
—
—
CN5
11
DSPF-
Driver
PWB
Analog
signal
signal
SPWS_IN
SPWS (Volume) resistance
Document width detection
—
—
CN1
19
DSPFcnt
PWB
Analog
signal
signal
SPWS_IN
SPWS (Volume) resistance
Document width detection
—
—
CN1
19
DSPF-
Driver
PWB
Analog
signal
signal
SRFM_/A
SRFM (Stepping motor)
Scan transport motor drive
signal
signal
—
—
CN10
2
DSPF-
Driver
PWB
SRFM_/B
SRFM (Stepping motor)
Scan transport motor drive
signal
signal
—
—
CN10
3
DSPF-
Driver
PWB
SRFM_A
SRFM (Stepping motor)
Scan transport motor drive
signal
signal
—
—
CN10
4
DSPF-
Driver
PWB
SRFM_B
SRFM (Stepping motor)
Scan transport motor drive
signal
signal
—
—
CN10
1
DSPF-
Driver
PWB
SRFM_C0
SRFM (Stepping motor)
Scan transport motor current
select
select
—
—
CN4
13
DSPFcnt
PWB
SRFM_C0
SRFM (Stepping motor)
Scan transport motor current
select
select
—
—
CN7
13
DSPF-
Driver
PWB
SRFM_C1
SRFM (Stepping motor)
Scan transport motor current
select
select
—
—
CN4
12
DSPFcnt
PWB
SRFM_C1
SRFM (Stepping motor)
Scan transport motor current
select
select
—
—
CN7
12
DSPF-
Driver
PWB
SRFM_MODE#
SPSM (Stepping motor)
Scan transport motor
excitement select
excitement select
1-2 phase
2 phase
CN4
14
DSPFcnt
PWB
SRFM_MODE#
SPSM (Stepping motor)
Scan transport motor
excitement select
excitement select
1-2 phase
2 phase
CN7
14
DSPF-
Driver
PWB
SRFM_STEP#
SRFM (Stepping motor)
Scan transport motor drive CLK
—
—
CN4
15
DSPFcnt
PWB
SRFM_STEP#
SRFM (Stepping motor)
Scan transport motor drive CLK
—
—
CN7
15
DSPF-
Driver
PWB
SRRM_/A
SRRM (Stepping motor)
Resist motor drive signal
—
—
CN9
26
DSPF-
Driver
PWB
SRRM_/B
SRRM (Stepping motor)
Resist motor drive signal
—
—
CN9
23
DSPF-
Driver
PWB
SRRM_A
SRRM (Stepping motor)
Resist motor drive signal
—
—
CN9
24
DSPF-
Driver
PWB
SRRM_A#
SRRM (Stepping motor)
Resist motor drive signal
—
—
CN4
25
DSPFcnt
PWB
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
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