Read Sharp AR-M236 (serv.man4) Service Manual online
AR-M236/M276/M237/M277 ACTUAL WIRING DIAGRAM 1 - 2
CN1(18FMN-BTK)
LCD UNIT
(FFC)
KEY PWB
<OPU PWB FFC>
(FFC)
<KEY PWB HARNESS>
CN9(18FMN-BTK)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
MCU PWB
GND
5Vsub
/WakeUpKey
StandbyLED
GND
/OPURXD
/OPUTXD
OPUSRDY
/OPUCLK
OPUCRDY
RESET#
3.3V
3.3V
GND
5V
GND
24V
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
LCD_M
LCD_CP1
GND
LCD_CP2
GND
LCD_DIS
3.3V_OP
LCD_VEE
LCD_D0
GND
LCD_D1
LCD_D2
LCD_D3
GND
N.C
N.C
N.C
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
LCD_S
N.C
19
20
CN3(20FLS-SM1-TB)
COM2
COM1
COM0
/SEG3
/SEG2
/SEG1
/SEG0
SCAN4
SCAN2
SCAN3
SCAN1
SCAN0
SENSE4
SENSE3
SENSE2
SENSE1
SENSE0
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
GND
5Vsub
START_LED
/BZR_PWM
/START_KEY
19
20
21
22
23
CN6(23FMN-BTK-A)
COM2
COM1
COM0
/SEG3
/SEG2
/SEG1
/SEG0
SCAN4
SCAN2
SCAN3
SCAN1
SCAN0
SENSE4
SENSE3
SENSE2
SENSE1
SENSE0
GND
GND
5Vsub
START_LED
/BZR_PWM
/START_KEY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
CN1(23FMN-BMT-TF)
/CCFT
1
2
24V_OP
CN7
(SM02(8.0)B-BHS-1-TB)
COM2
COM1
COM0
/SEG3
/SEG2
/SEG1
3.3V
LCD_VEE
LCD_D0
GND
LCD_D1
LCD_D2
LCD_D3
GND
N.C
N.C
N.C
GND
/BZR_PWM
N.C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
(FFC)
<LCD M FFC>
OPU PWB
TOUCH PANEL
X2/
Y2/
Y1
1
2
3
4
X1
CN4(04FLS-SM1-TB)
(1) MCU PWB - OPERATION PANEL UNIT (2/11)
PANEL UNIT
GND
5Vsub
/WakeUpKey
StandbyLED
GND
/OPURXD
/OPUTXD
OPUSRDY
/OPUCLK
OPUCRDY
RESET#
3.3V
3.3V
GND
5V
GND
24V
GND
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