Read Sharp MX-M850 (serv.man41) Service Manual online
MX-M1100 ELECTRICAL SECTION 11 – 17
SPOM_STEP#
SPOM (Stepping motor)
Paper exit motor drive CLK
—
—
CN1
5
DSPF-
Driver
PWB
SPPD1
SPPD1 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN4
6
DSPF-
Driver
PWB
SPPD1_IN
SPPD1 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN1
27
DSPFcnt
PWB
SPPD1_IN
SPPD1 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN1
27
DSPF-
Driver
PWB
SPPD2_IN
SPPD2 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN7
22
DSPFcnt
PWB
SPPD3_IN
SPPD3 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN7
16
DSPFcnt
PWB
SPPD4_IN
SPPD4 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN7
19
DSPFcnt
PWB
SPPD5_IN
SPPD5 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN7
13
DSPFcnt
PWB
SPPD6_IN
SPPD6 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN7
2
DSPFcnt
PWB
SPPD7_IN
SPPD7 (Reflection type sensor)
Document pass detection
Document
present
Document
empty
CN7
5
DSPFcnt
PWB
SPSM_/A
SPSM (Stepping motor)
PS motor drive signal
—
—
CN9
6
DSPF-
Driver
PWB
SPSM_/B
SPSM (Stepping motor)
PS motor drive signal
—
—
CN9
8
DSPF-
Driver
PWB
SPSM_A
SPSM (Stepping motor)
PS motor drive signal
—
—
CN9
4
DSPF-
Driver
PWB
SPSM_B
SPSM (Stepping motor)
PS motor drive signal
—
—
CN9
10
DSPF-
Driver
PWB
SPSM_C0
SPSM (Stepping motor)
PS motor current select
—
—
CN4
31
DSPFcnt
PWB
SPSM_C0
SPSM (Stepping motor)
PS motor current select
—
—
CN7
31
DSPF-
Driver
PWB
SPSM_C1
SPSM (Stepping motor)
PS motor current select
—
—
CN4
30
DSPFcnt
PWB
SPSM_C1
SPSM (Stepping motor)
PS motor current select
—
—
CN7
30
DSPF-
Driver
PWB
SPSM_MODE#
SPSM (Stepping motor)
PS motor exection select
1-2 phase
2 phase
CN4
32
DSPFcnt
PWB
SPSM_MODE#
SPSM (Stepping motor)
PS motor exection select
1-2 phase
2 phase
CN7
32
DSPF-
Driver
PWB
SPSM_STEP#
SPSM (Stepping motor)
PS motor drive CLK
—
—
CN4
33
DSPFcnt
PWB
SPSM_STEP#
SPSM (Stepping motor)
PS motor drive CLK
—
—
CN7
33
DSPF-
Driver
PWB
SPUM_/A
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN10
8
DSPF-
Driver
PWB
SPUM_/B
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN10
10
DSPF-
Driver
PWB
SPUM_A
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN10
7
DSPF-
Driver
PWB
SPUM_A#
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN4
11
DSPFcnt
PWB
SPUM_A#
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN7
11
DSPF-
Driver
PWB
SPUM_B
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN10
9
DSPF-
Driver
PWB
SPUM_B#
SPUM (Stepping motor)
Paper feed motor drive signal
—
—
CN4
10
DSPFcnt
PWB
Signal name
Name
Function/Operation
Connector level
Connector
No.
Pin
No.
No.
PWB
name
Re
mark
L
H
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