Panasonic FP-7818 Service Manual & Parts Manual page 285

ÆÆÆAC120/220-240V Line
ÆÆÆDC+24V Line
ÆÆÆDC+5V Line
Important safety notice
Componentes identified by head mark have special characteristtics
important for safety. When replace any of these components. Use
only manufacturer's specified parts.
Control panel
CN450
Key counter
KC
Total counter
TC
Dehumidify heater
DH
Power switch
ACHI 1
ACI 2
MS
ACI 3
ACH2 4
AC2 5
AC2 6
1
2
3
Thermostat
4
1
1
Exposure
2 2
lamp
Thermostat
1
2
3
Fuser
4
lamp 1
5
6
Fuser
lamp 2
Choke
1
coil
Thermistor 2 EC2
(Europe)
AC
driver
CPU
CN7-13,14
1
Suction/
FM
2 CN8
ozone fan
3 1 OZFM
DDFM
2
1
Devoloper 3 OZFL
FM
2
4 DDFL
cooling fan
3
5 PGND
6 PGND
1
Dust collecting 7 SCFM
FM
2
8
fan
3
9 SCFL
10 VP
Middle roller
1
11 PGND
clutch 2
12
PCCR
CN6
Bypass paper 1
1 VL
3
2 HSSN3
HSSN3 2
size sensor
3
3 GND
1
4 VL
2
2 HSSN2
HSSN2 5
3
6 GND
1
7 VL
1
2
HSSN1
8 HSSN1
3 GND
9
CN5
Bypass paper
1
1 VP
feed clutch
2
2 HFCR
Registration 3 VP
1
4 RRCR
roller clutch
2
5 VP
Bypass paper
1
6 HFSOL
2
feed solenoid
7 VL
8 VL
1
Paper feed
9
QDOSN
POPSN 2
cover sensor
10 HPESN
3
11 GND
1
Bypass paper
12 GND
HPESN 2
13 VL
detecting sensor
3
14 VL
15 RRSN2
1 16 RRSN
Registration roller
17 GND
RRSN 2
paper pass sensor 3 18 GND
CN7
1
2 1 GND
Copy density
CDSN
2 CDSN2
3
sensor
4 3 VCDS'
4 CDSN1
1 5 GOPSW1
2 6 TDREF'
Toner density 3
7 VP
TDSN
4
8 TDSN
sensor
5 9
GND
6
10 GOPSW2
Recycle solenoid 11 RCSOL
2
12 PGND
PFSOL
1
13 TH1
14 TH2
To thermistor
CN14
1 1 ELP1
Discharge lamp
2 ELP2
EL 2
3 3 VP
4
CN22
1 IRMRX
2 RMRX
RD terminal
3 GND
(Factory use)
4 IRMTX
5 RMTX
6
Schematic Diagram (FP-7845/7850)
Back light
CN406
1 DRV0
DRV1
2
3 DRV2
4 DRV3
5 MTR10
6 MTR11
7
MTR12
MTR13
8
9 LDDRV0
10 LDDRV1
11
GND
12
GND
1
2
3
4
5
6
1
2
1
2
CN803
1 AC1
2 AC1
3 AC2
4 AC2
CN201
Optics
AC1
motor
AC1
AC2
M
AC2
CN202
AC1
EXLP
CN203
DSAC1
DSAC1
FULP1
FULP2 CN805
1 AC1
CN204
PSAC1 1
PSAC2 3 2 AC2
EC1
CN851
1 VP
CN205
2
VP 1
3
2
4 VPC
3
CN806
VPC 4
AC1
1
2
3 AC2
Front
GND 1
cover
DOSN
2
sensor
VL 3
CN1
CN16
0 5
0 5
24 0
CN601
CN610
VP 1
VP 2
PFCR1 3
0 5
PUSDL1
4
VL 5
VL 6 1
CRRSN
PEWSN1 7 2
5 0 1
CRRSN1 8 3
GND 9
GND 10
VL 11
VL 12
LBSN1 13
PESN1 14
24 0
GND 15
GND 16
0 5
0 5
0 to 5V
CN651
24 0
5 to 2.7V
24 0
M M
Corona cleaner
motor
M
Touch
L C D
panel
Low voltage power supply (LVPS)
Mirror
Lens
Exhaust
stepping
stepping fan
motor
motor
1
M M
FM FM
CN13 CN15
Main CPU
Paper feed
driver
CN609
VP 1
VP 2
ADU
PFCR2 3
Paper pass
24 0
PUSOL2 4
sensor
VL 5
VL 6
0 5
PEWSN2 7
CRRSN2 8
5 0
GND 9
GND 10
VL 11
VL 12
LBSN2 13
0 5
PESN2
14
GND 15
GND
16
CN604
LUM2-1 1
24 0 LUM2-2 2
ADU driver
PS PS DXP DXP
LSN WSN ESN SN2
M
Cleaner home
In case of same signal name, deleted
Notice
position sensor
it from one side of connector.
Control panel 4
CN475
CN407
DRV3 1
DRV2 2
DRV1 3
DRV0 4
MTR20
5
MTR21 6
MTR22 7
MTR23 8
0 5 LDDRV2 9
10
GND
Control panel CPU
Optics
Exhaust
fan
24 0
fan
PFOSN
2 1 4 2 3
FM FM FM FM
BMCAB
BMCBB
1
CNT1
CN20 5
8
IADFRX 1
9
ADFRX 2
10
GND 3
11
IADFTX 4
12
ADFTX 5
7
5 0 TESTID 6
2
ADFOUT 7
1
CN21
5
ISTRX 1 8
STRX 2 9
GND 3 10
11
ISTTX 4
12
STTX 5
6
CN12
VP
VP
PGND
1
PGND
Paper level
PEW
2 5 0
MMCNT
sensor
SN2
3
MMLCK
0 5
MMCLK
1
Paper pass
CRRSN
2
CN9
sensor
2
3
5 0 HVLKC
HVCNT
1
Paper limit
GREF
LBSN
0.5 to
2
HVBCNT
sensor
8.5V
2
3
BREF
Paper
5 0 HVLKD
1
PESN
detecting
DTCNT
2
PGND
2
3 sensor
VP
Lifting
1
M CN11
2 GND
motor
0 5
MHPSN
VL
GND
PCSN
VL
5 0
GND
PASN
VL
GND
0 to 5V
AESN
VLC
ADU tray
3
DX
detecting
2
OPSN CN10
sensor
1
VL
AOSS1
AOS1
GND
VL
AOSS2
AOS2
GND
5 0
VL
AOSS3
AOS3
GND
VL
AOSS4
AOS4
GND
VL
VL
DXP
HPSN
SN1 0 5
LHPSN
GND
GND
M
CN103 CN901
LDLTH 1 8
LDOUT 2 7
LED
LDCLK 3 6
array
GNG 4 5
LDA
4
CN105
GND 1 3
2
GND 2
VLC 3 1
VLC 4
CN116 Paper
1
VP 1
exit
BPSOL
PCSOL 2 2
solenoid
VL 3
4 Paper
1
PF
GND 5
2 exit
OSN
3
sensor
CN124
1 1
BM
PGND 2 2
driver
3 3
BMCB 4 4
BMCA
5 5
VL 6 6
Separation
TEDSN 7 7
solenoid
BMD
TED 8 8
GND 9 9
SPSOL
CN125
VP 1 1
BMBB 2 2
BMB 3 3
BMAB 4 4
BMA 5 5
8
CNT2
9
1
CN3 2
23
F32OUT 1
5 0 26
FENB 2
OQLTH 3 27
25
F32CLK 4
13
OQLD 5
LCCLD 6 28
22
OQIN 7
21
QMCLK 8
VL 9 5
GND 10 24
ING 11
OUT1 12
1 1
CN1
2 2
3
Main
4 1 M
motor
5 2 CN2
6 3
7 4
8
1 9
2 8
High voltage
3 7
HVPS
4 6 power supply
5 5
6 4
7 3
8 2
1
9
Mirror home
12 3
MH
position
2
11
PSN
10 1 sensor
9
Platen cover
8 3
open/close
7 2 PCSN
1
6
sensor
5
4 3
Platen cover
2
3 PASN
angle sensor
1
2
1
1
AEsensor
2 AESN
3
1
1
2
2
AOSS1
3
3
1
4
4
5
1
6
2
2
AOSS2
7
3
8 4
9 1
10 2
3
AOSS3
11 3
12 4
1
13
2
14
4
AOSS4
3
15
4
16
17
Lamp unit
18
1
home position
19
2
HPSN
20 sensor
3
21
Lens unit
1
22
home position
2 LHPSN
3
sensor