Point-To-Point Diagram - Sharp AM-900 Service Manual

[3] Point-to-point diagram

CNCIS
Ao 1
GND 2
GND 3
VDD 4
VREF 5
CIS SP 6
CLK 7
V-LED 8
B-GND 9
G-GND 10
R-GND 11
N.C. 12
/FRSNS 1
FRONT
SENSOR GND 2
/ORGSNS 1
ORG
SENSOR GND 2
SCANNER
/HOME 1
HOME POSITION
GND 2
SENSOR
A 1
SCANNER
B 2
MOTOR
/A 3
/B 4
SP+ 1
SPEAKER
SP- 2
MA+ 1
PRINTER MB+ 2
MAIN MOTOR MA- 3
MB- 4
/PUMBD 1
/PUMAD 2
PRINTER
PUMBD
3
PICKUP
PUMAD 4
MOTOR
VMT 5
VMT 6
VFM+ 1
FAN
N.C. 2
VFM- 3
+5V 1
THERMISTOR
RTH 2
/PIN 1
PRINTER
P-IN SENSOR
GND 2
PRINTER
PE_BY 1
BYPASS PE
GND 2
SENSOR
PRINTER
/POUT1 1
PAPER OUT 1 GND 2
POUT1_AN 3
SENSOR
PRINTER
/POUT2
1
PAPER OUT 2
GND 2
SENSOR
PRINTER
OPEN_TRAY 1
TRAY COVER
GND 2
SENSOR
PRINTER
/ROLSNS 1
ROLLER
GND 2
SWITCH
TCT2 1
TONER
COM 2
CARTRIDGE
TCT1 3
SENSOR
TCT0 4
CNCIS
1 AO
E
2 GND(VDD)
VLED
3 GND
+3.3V
4 VDD(SEL)
DG
5 VREF(GND)
6 SP /STRB7
/SEN0
7 CLK
/STRB6
8 VLED
/SEN1
9 BLED_GND
/STRB5
10 GLED_GND
/SEN2
11 RLED_GND
/STRB4
12 N.C.
/SEN3
/STRB3
CNFRT
/STRB0
1 /FRSNS
/STRB2
2 GND
/STRB1
CNORG
1 /ORGSNS
2 GND
CNHPS
1 /HOME
RXIN
2 GND
TXOUT
CI
CNSCM
EXHS
1 A
DPON
2 B
CML
3 /A
+5V
4 /B
DG
+24VA
CNSP
E-RLY(N.C.)
1 SP+
DPMUTE(N.C.)
2 SP-
EXTSIG(N.C.)
CNMM
1 MA+
2 MB+
3 MA-
4 MB-
CNPUM
1 /PUMBD
2 /PUMAD
MG
3 PUMBD +24V_SUB
4 PUMAD MG
5 VMT MG
6 VMT +24V MAIN
+24V MAIN
CNFM
DG
1 VFM+
+5V
2 N.C.
DG
3 VFM- +3.3V
DG
CNRTH
/HLON
1 +5V /PWRLY
/ZC
2 RTH
CNPIN
1 /PIN
2 GND
CNBYPE
1 PE_BY
PGND
2 GND
PWMSIN
MCON
CNPOUT1
TCON
1 /POUT1
+24V
2 GND
3 POUT1_AN
CNPOUT2
1 /POUT2
2 GND
DGND
-S/H
CNTCVR
-VIDEO
1 OPEN_TRAY
-LDEN
DGND
2 GND
+5V
CNROLSNS
DGND
1 /ROLSNS
-HSYNC
2
GND
CNTCT
CLK
1 TCT2
-READY
2 COM -START
3 TCT1
GND
4 TCT0 +24V
CNPN
CNPN1
1 16 E
2
15 LEDON
3 14 +3.3V +3.3V
4 13 DG
12 /STRB7
5
6 11 /SEN0
R/W
7 10 /STRB6
8 9 /SEN1 N.C.
9 8 /STRB5 N.C.
10 7 /SEN2 N.C.
11 6 /STRB4 N.C.
12 5 /SEN3 LD0
13 4 /STRB3 LD1
14 3 /STRB0 LD2
LD3
15 2 /STRB2
16 1 /STRB1
OPERATION PANEL
PWB UNIT
CNLIU CNLIU
1 RXIN
1
2 TXOUT
2
3 CI
3
4 /EXHS
4
5 5 DPON
6 CML
6
7 +5V
7
8 8 DG
9 9 +24VA
10
LIU PWB UNIT
11
12
CNUSB
PC
CNPW CNPW
1 1 MG
2 2 +24V_SUB
3 3 MG
4 4 MG
5 5 +24V MAIN
6 6 +24V MAIN
7 7 DG
8 8 +5VMAIN
9 9 DG
10 10 +3.3VMAIN
11 11 DG
12 12 /HEATER ON
13 13 /PWRLY
14 14 /ZC
POWER SUPPLY UNIT
CNHV
CN1
HIGH
1 1 PGND
2 2 PWMSIN
VOLTAGE
3 3 MCON
4 4 TCON
PWB UNIT
5 5 +24V
CNLSR
CNLSR
1 1 DGND
2 2 -S/H
3 3 -VIDEO
4 4 -LDEN
5
5 DGND
6 6 +5V
OPTICAL
7 7 DGND
UNIT
8 8 -HSYNC
(LSU)
CNPM CNPM
1 1 CLK
2
2 -READY
3
3 -START
4 4 GND
5
5 +24V
4 – 3
CNLCD1
DG 1
1 DG
2 2 +3.3V
VO 3 3 VO
RS 4 4 RS
5 5 R/W
E 6 6 E
7 7 N.C.
8 8 N.C.
9 9 N.C.
10 10 N.C.
11 11 LD0
12 12 LD1
13 13 LD2
14 14 LD3
CN2
1 1 1 1
2 2
2 2
CN6
1 +24VMAIN
1 +24VMAIN
2 N.C.
2 N.C.
3 +24VS
3 +24VS
CNHT
1 N
1 N
2 N.C. 2 N.C.
3 L
3 L
AM-900U
INTERLOCK
SWITCH
THERMAL
FUSE-2
FUSING
UNIT