Read Sharp AR-275 (serv.man6) Service Manual online
AR-235/275 ACTUAL WIRING DIAGRAM - 5
LCD BACKLIGHT PWB
MCU PWB
CN111(16FMN-BTK)
CN1(16FMN-STK)
CN2(25FMN-STK)
CN3(52793-1490)
CN(52793-1490)
FAX/KEY PWB
1
2
3
LEDTRAYPAPER
GND
TRAYPAPER
CN(S3B-PH-K-S)
OR
GY
PL
PAPER EXIT TRAY PAPER SENSOR
Actual wiring diagram
5/8
(FFC)
KEY/LED PWB(A)
CN(25FMN-STK)
KEY/LED PWB(B)
CN(15FMN-STK)
13
LED4
22
21
20
SENSE1
SCAN3
SENSE0
19
18
17
SCAN4
SCAN6
SCAN5
16
15
14
SCAN7
LED5
SCAN8
25
24
23
/START
SENSE2
SENSE3
/LEDOUT2
/LEDOUT4
/LEDOUT3
/LEDOUT5
/LEDOUT7
/LEDOUT6
12
11
10
LED3
/LEDOUT1
LED2
LED6
GND
GND
9
8
7
6
5
4
3
2
1
13
LED4
4
5
6
SENSE1
SCAN3
SENSE0
7
8
9
SCAN4
SCAN6
SCAN5
10
11
12
SCAN7
LED5
SCAN8
1
2
3
/START
SENSE2
SENSE3
/LEDOUT2
/LEDOUT4
/LEDOUT3
/LEDOUT5
/LEDOUT7
/LEDOUT6
14
15
16
LED3
/LEDOUT1
LED2
LED6
GND
GND
17
18
19
20
21
22
23
24
25
3
/LEDOUT4
12
11
10
SENSE0
SCAN1
SCAN0
9
8
7
SCAN2
LED1
LED2
6
5
4
/LEDOUT1
/LEDOUT3
/LEDOUT2
15
14
13
SENSE3
SENSE2
SENSE1
2
1
/LEDOUT5
GND
13
/LEDOUT4
4
5
6
SENSE0
SCAN1
SCAN0
7
8
9
SCAN2
LED1
LED2
10
11
12
/LEDOUT1
/LEDOUT3
/LEDOUT2
1
2
3
SENSE3
SENSE1
SENSE2
14
15
/LEDOUT5
GND
CN(15FMN-STK)
<Operation unit harness>
(FFC)
<KEY/LED harness (A)>
(FFC)
<KEY/LED harnes (B)>
1
2
3
SENSE6
SENSE4
SENSE5
10
11
12
SCAN6
SCAN8
SCAN7
7
8
9
SCAN3
SCAN5
SCAN4
4
5
6
SCAN0
SCAN2
SCAN1
13
14
SCAN9
/FAXSW
FAXOPD
GND
15
16
SENSE6
SENSE4
SENSE5
SCAN6
SCAN8
SCAN7
SCAN3
SCAN5
SCAN4
SCAN0
SCAN2
SCAN1
SCAN9
/FAXSW
FAXOPD
GND
1
2
3
10
11
12
7
8
9
4
5
6
13
14
15
16
<FAX/KEY harnes>
(FFC)
3
1
2
LEDTRAYPAPER
GND
TRAYPAPER
OR
GY
PL
GP1S73P
<Paper exit tray paper sensor harness>
9
+3.3V
TRAYPAPER
OPUSTS
OPUCMD
/OPUCRDY
/OPUSRDY
/RESET#
+5V
+5V
GND
+24V
GND
GND
GND
GND
16
15
14
13
12
11
10
8
7
6
5
4
3
1
2
+3.3V
+3.3V
TRAYPAPER
OPUSTS
OPUCMD
/OPUCRDY
/OPUSRDY
/RESET#
+5V
+5V
GND
+24V
GND
GND
GND
GND
+3.3V
9
16
15
14
13
12
11
10
8
7
6
5
4
3
1
2
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