Read Sharp AR-M550 (serv.man11) Service Manual online
AR-M550/M620 DETAILS OF EACH SECTION 6 - 13
(Paper feed tray sections 1 and 2)
A. Major parts and signal functions
S4B-PH-K-S
SMR-02V-N/SMP-02V-NC
SMR-02V-N/SMP-02V-NC
PCU PWB
GND2
GND2
GND2
CN-14
B24B-PHDSS-B
+24V1
+24V1
/T1PUS
/T2PUS
+24V1
/T1PUS
/T2PUS
+24V1
/DSKLS
+5V2
GND2
T1LUD
+5V2
T1PED
GND2
T2LUD
T2PED
GND2
T1SPD
GND2
T2SPD
+5V2
+5V2
PHR-2
GND2
GND2
PHR-3
T1SPD
+5V2
+5V2
+24V1
/T2PUS
/T2PUS
+5V2
T1LUD
GND2
T1PED
S4B-PH-K-S
+5V2
GND2
T1LUD
T1PED
GND2
T1LUD
T1PED
SMR-04V-N/SMP-04V-NC
PHR-3
+5V2
T2PED
T2LUD
GND2
T2LUD
T2PED
T2PED
+5V2
GND2
GND2
+24V1
/T1PUS
/T1PUS
PHR-2
GND2
SMP-10V-NC/SMR-10V-N
T1LUM
T2LUM
T2LUM
T1LUM
T2LUM
GND2
T1SPD
+5V2
T1SPD
+5V2
GND2
T2SPD
+5V2
T2SPD
+5V2
GND2
T2SPD
+5V2
T2SPD
+5V2
T2PUS
T1PUS
T1SPD
T2SPD
T1PFC
MM
T2LUM
T2PFC
T2S PWB
T1S PWB
24
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
2
1
2
1
2
1
2
1
2
1
2
1
4
3
2
1
3
2
1
3
2
1
23
22
21
20
24
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
23
22
21
20
25
26
27
28
29
30
26
27
28
29
30
CN-17
M2LUM
GND2
+24V1
/T1PFC
+24V1
+24V1
/M2PFC
+24V1
/DSKPFC2
GND2
GND2
TXD-FIN
RXD-FIN
RES-FIN
/DTR-FIN
/DSR-FIN
GND2
+5V2
/MM
MMCLK
MM-T
GND2
TANSET
+5V2
GND2
GND2
DSW-DSK
+5V2
(NC)
TSW-LED
TSW
(NC)
B30B-PHDSS-B
3
2
1
PHR-3
GND2
TANSET
+5V2
TANSET
+5V2
5
4
3
2
1
S5B-PH-K-S
GND2
+5V2
/MM
MMCLK
MM-T
+5V2
/MM
MMCLK
MM-T
TANSET
2
1
1
1
3
3
2
PHNR-03-H+BU03P-TR-P-H
+24V1
(NC)
/T1PFC
(NC)
/T1PFC
2
1
1
3
3
2
2
+24V1
(NC)
(NC)
PHNR-03-H+BU03P-TR-P-H
/T2PFC
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND2
TH-DV
GND2
HUS-DV
MPRD2
GND2
+5V2
+5V-MPRD2
+5V-MPRD2
MPRD1
+5V-MPRD1
GND2
TSGOUT
GND2
TCS
+24V1
GND2
PPD
+5V2
DVCH4
DVCH3
DVCH2
DVCH1
+24V1
/PSBC
+24V1
+24V1
/T2PFC
+24V1
/HPFC
CN-12
B30B-PHDSS-B
/HPLS
T1LUM
7
6
5
6
5
5
8
8
1
3
2
2
1
4
3
1
4
7
6
6
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