Point-To-Point Diagram - Sharp FO IS125N - B/W Laser - All-in-One Service Manual

[3] Point-to-point diagram

CNCIS
AO 1
GND 2
VDD
3
CIS
SI 4
CLK
5
GLED 6
VLED 7
SP+ 1
SPEAKER
SP- 2
MA+
1
SCANNER
MB+ 2
MOTOR
MA- 3
MB- 4
MA+ 1
PRINTER MB+ 2
MOTOR MA- 3
MB- 4
VFM+ 1
FAN
N.C. 2
MOTOR
VFM- 3
1
RTH1
THERMISTOR
2
RTH2
/PIN 1
P-IN SENSOR
GND 2
/POUT 1
PAPER OUT
GND 2
SENSOR
POUT1_AN 3
+24V 1
SOLENOID
/SLON 2
/TCT2 1
GND0 2
TONER
/TCT1 3
CARTRIDGE
/TCT0 4
SENSOR
GND1 5
6
GND2
CN1
PGND 1
HIGH
PWMSIN 2
VOLTAGE MCON 3
4
TCON
PWB UNIT
+24V 5
CNCIS
1 AO
KEN3
2 GND
KEN2
3 VDD
KEN1
4 SI
KEN0
5 CLK
6 GLED /ORGSNS
/FRSNS
7 VLED
LCDE
/SEN0
/SEN1
CNSP
/SEN2
1 SP+
/SEN3
2 SP-
/SEN4
/SEN5
CNTXM
/SEN6
1 MA+
RS
2 MB+
PNLVCC
3 MA-
DG
4 MB-
/LEDON
/LCDRES
CNMM
1 MA+
2 MB+
3 MA-
ADG
4 MB-
TELOUT
TELIN
nRHS
CNFM
+3.3V
1 VFM+
2 N.C.
3 VFM-
CNRTH
1 RTH1
2 RTH2
CNPIN
1 /PIN +24VSUB
MG
2 GND
MG
+24VMAIN
+24VMAIN
CNPOUT
DG
1 /POUT
V4D
2 GND
DG
3 POUT1_AN /HLON
/ZC
CNSL
1 +24V
2
/SLON
CNTNR DGND
-S/H
1 /TCT2
-VIDEO
2 GND0
-LDEN
3 /TCT1
DGND
4 /TCT0
+5V
5 GND1
DGND
6 GND2
-HSYNC
CLK
CNHV
-READY
1 PGND
-START
2 PWMSIN
GND
3 MCON
+24V
4 TCON
5 +24V
CNPN
CNPN
1 1 KEN3
2 2
KEN2 DB6
3 3 KEN1
4 4 KEN0
DB4
DB3(N.C.)
5 5 ORGSNS
6
6 FRSNS
7 7 LCDE DB1(N.C.)
8 8 /SEN0 DB0(N.C.)
9 9 /SEN1
10 10 /SEN2 R/W
11 /SEN3
11
12 12 /SEN4
13 13 /SEN5
+3.3V
14 14
/SEN6
15 15 RS
OPERATION
16 +3.3V
16
17 17 DG
PANEL
18
18 LEDON
19 19 /LCDRES
PWB UNIT
CNTEL CNTEL
1 1 ADG
2 TELOUT
2
3 3 TELIN
4 4 nRHS
5 5 +3.3V
HOOK SWITCH PWB UNIT
CNLAN
ETHER NET
CNPW CN3
1 1 +24VSUB
2 2 MG
3 3 MG
4 4 +24VMAIN
5 5 +24VMAIN
6 6 DG
7 7 Ach
8 8 DG
9 9 HEATER ON
10 10 ZC
POWER SUPPLY PWB UNIT
CNLSR
1 1 DGND
2 2 -S/H
3 3 -VIDEO
4 4 -LDEN
5 5 DGND
6 +5V
6 OPTICAL
7 7 DGND
UNIT
8 8 -HSYNC
(LSU)
CNPM
1
1 CLK
2 2 -READY
3
3 -START
4 4 GND
5
5 +24V
4 – 3
FO-IS125N
CNLCD1
DB7 1
2
DB5 3
4
5
DB2 6
7
LCD UNIT
8
E 9
10
RS 11
VO 12
13
DG 14
CN2
+24VSUB
1 +24VSUB 1
2
2 +24VMAIN +24VMAIN
CN5
1 +24VMAIN
1 +24VMAIN
2 N.C.
2 N.C.
3 +24VS
3 +24VS
CN1
1 N
1 N
2 N.C. 2 N.C.
3 L
3 L
INTERLOCK
SWITCH
THERMAL
FUSE-2
FUSING
UNIT