Panasonic KX-FLB883RU Service Manual ▷ View online
21
KX-FLB883RU
AN17
USBDDM
IO
3.3V
USB Device Signal
AN18
USBDVDDA12_SQ
-
1.2V
Squeich POWER
AN19
AFESIFDOUT
O
3.3V
AFE SIF Data Out
AN20
LEDONG
O
3.3V
Lamp Controller / GPIO
AN21
SDDAT3
IO
3.3V
SD IF
AN22
SDCMD
IO
3.3V
SD IF
AN23
SDWP
I
3.3V
SD IF
AN24
UARTRXD3
IO
3.3V
UART CH3 RXD
AN25
UARTRXD1_KSCLK
IO
5V/3.3V
Panel KSCLK
AN26
CBUSY2
IO
3.3V
Cordless IF CBUSY2 / PCCIO37
AN27
UARTRXD2_CCLK
IO
3.3V
PCCIO35
AN28
LSI_TRSTN
I
3.3V
LSI Test (JTAG)
AN29
MMXA
IO
3.3V
Main Motor Control
AN30
OPMA
IO
3.3V
FAN ON 1
AN31
OPMPWR
O
3.3V
Option Motor Current Control
AN32
CRM2
IO
3.3V
ADF / Flatbed Motor Controller
AN33
VSS
-
GND
GND
AN34
CRM3
IO
3.3V
ADF / Flatbed Motor Controller
AP02
TX_CLKI
I
2.5V
Ethernet Transmit Clock (pre clock tree)
AP03
VDD2.5
-
2.5V
POWER SUPPLY
AP04
RX_ER
I
2.5V
Ethernet Receive Error
AP05
SYSPLLVDD2
-
1.2V
PLL w/SSCG (DDR)
AP06
CCDCP_N
O
3.3V
CCD Clamp Pulse
AP07
AFEMCLK
O
3.3V
AFE Master CLK
AP08
AFEVSMP
O
3.3V
AFE Video Level Sampling Pulse
AP09
AFEADC5
I
3.3V
AFE Output Data 5
AP10
USBOVBUS_CONT
O
3.3V
USB OTG Signal
AP11
USBOID
I
3.3V
USB OTG Signal
AP12
USBOVDDA33_BIAS
-
3.3V
Bias POWER 3.3V
AP13
USBODP
IO
3.3V
USB OTG Signal
AP14
USBOVDDA12PLL
-
1.2V
1.2V PLL POWER
AP15
USBCXOUT
O
3.3V
USB Signal
AP16
USBDVDDA33_BIAS
-
3.3V
Bias POWER 3.3V
AP17
USBDDP
IO
3.3V
USB Device Signal
AP18
USBDVSSA12_SQ
-
GND
Squeich GND
AP19
USBDVDDA12PLL
-
1.2V
1.2V PLL POWER
AP20
LEDONR
O
3.3V
Lamp Controller
AP21
LEDONB
O
3.3V
Lamp Controller / GPIO
AP22
SDDAT0
IO
3.3V
SD IF
AP23
SDIFCLK
O
3.3V
SD IF
AP24
UARTRTS3
IO
3.3V
PCCIO39
AP25
UARTCTS3
IO
3.3V
PCCIO41
AP26
UARTCTS1_OPERRST
IO
3.3V
Panel OPERRST
AP27
UARTTXD2_CSO
IO
3.3V
PCCIO33
AP28
LSI_TCK
I
3.3V
LSI Test (JTAG)
AP29
LSI_TDI
I
3.3V
LSI Test (JTAG)
AP30
MMPWR
O
3.3V
Main Motor Current Control
AP31
OPMB
IO
3.3V
FAN ON 2
AP32
CRM1
IO
3.3V
ADF / Flatbed Motor Controller
AP33
CRMPWR
O
3.3V
ADF / Flatbed Motor Current Controller
B01
SDMA8
O
2.5V
SDRAM Memory Address
B02
VSS
-
GND
GND
B03
DOTPLLVDD
-
1.2V
PLL (Dot)
B04
DOTCLKIN
I
1.2V
35MHz (DOT)
B05
PCIAD3
IO
3.3V
PCI Bus Address and Data
B06
PCIAD7
IO
3.3V
PCI Bus Address and Data
B07
PCIAD11
IO
3.3V
PCI Bus Address and Data
B08
PCIAD15
IO
3.3V
PCI Bus Address and Data
B09
PCIAD18
IO
3.3V
PCI Bus Address and Data
B10
PCIAD22
IO
3.3V
PCI Bus Address and Data
B11
PCIAD25
IO
3.3V
PCI Bus Address and Data
B12
PCIAD29
IO
3.3V
PCI Bus Address and Data
B13
NPCISERRZ
IO
3.3V
PCI Bus System Error
B14
NPCISTP
IO
3.3V
PCI Bus Stop
B15
NPCIFRM
IO
3.3V
PCI Bus Frame
B16
PCICKOUT
O
3.3V
PCI Bus Clock Output
PIN NO.
PinName
I/O
POWER SUPPLY
VOLTAGE
EXPLANATION
22
KX-FLB883RU
B17
NPCICBE1
IO
3.3V
PCI Bus Command and Byte Enable
B18
NPCIREQ1
I
3.3V
PCI Bus Request
B19
NPCIINT
I
3.3V
PCI Bus Interrupt
B20
PCICLKSEL
I
3.3V
PCI Bus Clock Select
B21
MDMCLKIN
I
1.2V
24.576MHz (SD, SCNR, MODEM, PCI, GPDMA)
B22
BATRST
I
3.3V
Battery Reset
B23
WDTRST
O
3.3V
Watch Dog Timer Reset Signal
B24
FRMA2
O
3.3V
Flash/Mask ROM Address
B25
FRMA4
O
3.3V
Flash/Mask ROM Address
B26
FRMA8
O
3.3V
Flash/Mask ROM Address
B27
FRMA10
O
3.3V
Flash/Mask ROM Address
B28
FRMA14
O
3.3V
Flash/Mask ROM Address
B29
FRMA18
O
3.3V
Flash/Mask ROM Address
B30
FRMA22
O
3.3V
Flash/Mask ROM Address
B31
FRMA25
O
3.3V
Flash/Mask ROM Address
B32
FRMD0
IO
3.3V
Flash/Mask ROM Data
B33
VSS
-
GND
GND
B34
FRMD2
IO
3.3V
Flash/Mask ROM Data
C01
SDMA10
O
2.5V
SDRAM Memory Address
C02
SDMA11
O
2.5V
SDRAM Memory Address
C03
VSS
-
GND
GND
C04
DOTPLLVSS
-
GND
PLL (Dot)
C05
PCIAD1
IO
3.3V
PCI Bus Address and Data
C06
PCIAD6
IO
3.3V
PCI Bus Address and Data
C07
PCIAD10
IO
3.3V
PCI Bus Address and Data
C08
PCIAD14
IO
3.3V
PCI Bus Address and Data
C09
PCIAD12
IO
3.3V
PCI Bus Address and Data
C10
PCIAD21
IO
3.3V
PCI Bus Address and Data
C11
PCIAD19
IO
3.3V
PCI Bus Address and Data
C12
PCIAD28
IO
3.3V
PCI Bus Address and Data
C13
PCIAD26
IO
3.3V
PCI Bus Address and Data
C14
NPCIDSEL
IO
3.3V
PCI Bus Device Select
C15
PCIPAR
IO
3.3V
PCI Bus Parity
C16
VDD3.3
-
3.3V
POWER SUPPLY
C17
NPCICBE0
IO
3.3V
PCI Bus Command and Byte Enable
C18
NPCICBE2
IO
3.3V
PCI Bus Command and Byte Enable
C19
MDMPLLVDD
-
1.2V
PLL (SD, SCNR, MODEM, PCI,GPDMA)
C20
MDMPLLVSS
-
GND
PLL (SD, SCNR, MODEM, PCI, GPDMA
C21
vdd2RTC
-
1.2V
POWER SUPPLY
C22
vddio33
-
3.3V
POWER SUPPLY
C23
RST
I
3.3V
Reset
C24
FRMA1
O
3.3V
Flash / Mask ROM Address
C25
FRMA5
O
3.3V
Flash / Mask ROM Address
C26
FRMA11
O
3.3V
Flash / Mask ROM Address
C27
FRMA12
O
3.3V
Flash / Mask ROM Address
C28
FRMA16
O
3.3V
Flash / Mask ROM Address
C29
FRMA20
O
3.3V
Flash / Mask ROM Address
C30
FRMA23
O
3.3V
Flash / Mask ROM Address
C31
NFRWE
O
3.3V
Flash ROM Write Enable
C32
VSS
-
GND
GND
C33
FRMD3
IO
3.3V
Flash / Mask ROM Data
C34
FRMD4
IO
3.3V
Flash / Mask ROM Data
D01
SDMA6
O
2.5V
SDRAM Memory Address
D02
SDMA9
O
2.5V
SDRAM Memory Address
D03
SDMA12
O
2.5V
SDRAM Memory Address
D04
VSS
-
GND
GND
D05
PCIAD0
IO
3.3V
PCI Bus Address and Data
D06
PCIAD4
IO
3.3V
PCI Bus Address and Data
D07
VDD3.3
-
3.3V
POWER SUPPLY
D08
PCIAD8
IO
3.3V
PCI Bus Address and Data
D09
VSS
-
GND
GND
D10
PCIAD16
IO
3.3V
PCI Bus Address and Data
D11
VDD1.2
-
1.2V
POWER SUPPLY
D12
PCIAD23
IO
3.3V
PCI Bus Address and Data
D13
VDD3.3
-
3.3V
POWER SUPPLY
D14
PCIAD30
IO
3.3V
PCI Bus Address and Data
PIN NO.
PinName
I/O
POWER SUPPLY
VOLTAGE
EXPLANATION
23
KX-FLB883RU
D15
VSS
-
GND
GND
D16
NPCITRDY
IO
3.3V
PCI Bus Target Ready
D17
VDD1.2
-
1.2V
POWER SUPPLY
D18
VDD3.3
-
3.3V
POWER SUPPLY
D19
NPCIGNT0
O
3.3V
PCI Bus Grant
D20
VSS
-
GND
GND
D21
BZVDD33
I
3.3V
BZ Control
D22
VDD3.3
-
3.3V
POWER SUPPLY
D23
RTCCLKIN
I
1.2V
32.768MHz (RTC)
D24
VDD1.2
-
1.2V
POWER SUPPLY
D25
FRMA6
O
3.3V
Flash/Mask ROM Address
D26
VSS
-
GND
GND
D27
FRMA15
O
3.3V
Flash/Mask ROM Address
D28
VDD3.3
-
3.3V
POWER SUPPLY
D29
FRMA19
O
3.3V
Flash/Mask ROM Address
D30
NFRCE
O
3.3V
Flash/Mask ROM Chip Enable
D31
VSS
-
GND
GND
D32
FRMD6
IO
3.3V
Flash/Mask ROM Data
D33
FRMD7
IO
3.3V
Flash/Mask ROM Data
D34
GPIO1
IO
3.3V
HSSP MUTE
E01
SDMA3
O
2.5V
SDRAM Memory Address
E02
SDMA4
O
2.5V
SDRAM Memory Address
E03
SDMA7
O
2.5V
SDRAM Memory Address
E04
SDMA5
O
2.5V
SDRAM Memory Address
E31
FRMD5
IO
3.3V
Flash/Mask ROM Data
E32
EXTROMCS2
IO
3.3V
LAN RST
E33
EXTROMCS1
IO
3.3V
PCCIO27
E34
HTRCTL
O
3.3V
Fuser Lamp Control
F01
SDBA1
O
2.5V
SDRAM Bank Address1
F02
SDMA0
O
2.5V
SDRAM Memory Address
F03
SDMA2
O
2.5V
SDRAM Memory Address
F04
SDMA1
O
2.5V
SDRAM Memory Address
F31
GPIO0
IO
3.3V
SP MUTE
F32
BELDTCT2_CPMSERLT
IO
3.3V
PCCSCIO22
F33
BELDTCT1_CPMSERD
IO
3.3V
PCCSCIO21
F34
LASERLOCK
IO
3.3V
P START
G01
NSDCAS
O
2.5V
SDRAM Column Address Strobe
G02
NSDCS0
O
2.5V
SDRAM Chip Select 0
G03
NSDCS1
O
2.5V
SDRAM Chip Select 1
G04
VDD2.5
-
2.5V
POWER SUPPLY
G31
VDD3.3
-
3.3V
POWER SUPPLY
G32
TOPCVR
IO
3.3V
Top Cover Sensor
G33
FBCVR
IO
3.3V
FB Cover Sensor
G34
RPS
IO
3.3V
ADF Read Position Sensor
H01
NSDCLK2
O
2.5V
SDRAM Clock 2
H02
VSS
-
GND
GND
H03
NSDCKE
O
2.5V
SDRAM Clock Enable
H04
SDBA0
O
2.5V
SDRAM Bank Address 0
H31
EXTROMCS0
IO
3.3V
PCCIO26
H32
DOCU
IO
3.3V
Document Set Sensor
H33
TNR
IO
3.3V
Toner Empty Sensor
H34
OPTOPEN
IO
3.3V
TP_CHKSEL
J01
VDD2.5
-
2.5V
POWER SUPPLY
J02
SDCLK2
O
2.5V
SDRAM Clock 2
J03
NSDRAS
O
2.5V
SDRAM Row Address Strobe
J04
VSS
-
GND
GND
J31
VSS
-
GND
GND
J32
CRG
IO
3.3V
Home Position Sensor
J33
OPPAPER
IO
3.3V
PCCSCIO10
J34
PICK
IO
3.3V
PCCSCIO9
K01
SDMD28
IO
2.5V
SDRAM Data
K02
SDMD29
IO
2.5V
SDRAM Data
K03
SDMD31
IO
2.5V
SDRAM Data
K04
NSDWE
O
2.5V
SDRAM Write Enable
K31
ADFCVR
IO
3.3V
ADF Cover Sensor
K32
DRUM
IO
3.3V
Drum Sensor
PIN NO.
PinName
I/O
POWER SUPPLY
VOLTAGE
EXPLANATION
24
KX-FLB883RU
K33
BIN3
IO
3.3V
PCCSCIO6
K34
BIN2
IO
3.3V
PCCSCIO5
L01
VSS
-
GND
GND
L02
SDUDM1
O
2.5V
SDRAM Data Mask For Upper Byte (DQ[31:24])
L03
SDMD30
IO
2.5V
SDRAM Data
L04
VDD1.2
-
1.2V
POWER SUPPLY
L31
VDD1.2
-
1.2V
POWER SUPPLY
L32
OPTPICK
IO
3.3V
PCCSCIO11
L33
POUT
IO
3.3V
Paper Exit Sensor
L34
MNLPAPER
IO
3.3V
FAN DET1
M01
SDMD25
IO
2.5V
SDRAM Data
M02
SDMD26
IO
2.5V
SDRAM Data
M03
SDMD27
IO
2.5V
SDRAM Data
M04
SDUDQS1
IO
2.5V
SDRAM Date Strobe for Upper Byte (DQ[31:24])
M31
PAPER
IO
3.3V
Paper Sensor
M32
CAS_OPEN
IO
3.3V
PIC Sensor
M33
FANDET
IO
3.3V
CNG MUTE
M34
PTOP
I
3.3V
Top of page
N01
SDMD23
IO
2.5V
SDRAM Data
N02
VDD2.5
-
2.5V
POWER SUPPLY
N03
SDMD24
IO
2.5V
SDRAM Data
N04
VDD2.5
-
2.5V
POWER SUPPLY
N31
VDD3.3
-
3.3V
POWER SUPPLY
N32
BIN1
IO
3.3V
PCCSCIO4
N33
NAPC
OZ
3.3V
APC Control
N34
NLDEN
OZ
3.3V
LD Enable
P01
SDUDM0
O
2.5V
SDRAM Data Mask For Upper Byte (DQ[23:16])
P02
SDMD21
IO
2.5V
SDRAM Data
P03
SDMD22
IO
2.5V
SDRAM Data
P04
SDMD20
IO
2.5V
SDRAM Data
P31
REGIST
IO
3.3V
Regist Sensor
P32
VIDEOEN
IO
3.3V
CID RLY
P33
VDGCLKIO
IO
3.3V
PCCIO28
P34
HOOK_EEPCLK
IO
3.3V
Hook
R01
SDMD19
IO
2.5V
SDRAM Data
R02
VSS
-
GND
GND
R03
SDUDQS0
IO
2.5V
SDRAM Date Strobe for Upper Byte (DQ[23:16])
R04
VSS
-
GND
GND
R15
VSS
-
GND
GND
R16
VSS
-
GND
GND
R17
VSS
-
GND
GND
R18
VSS
-
GND
GND
R19
VSS
-
GND
GND
R20
VSS
-
GND
GND
R31
VSS
-
GND
GND
R32
NREADY
IO
3.3V
Polygon Motor LD
R33
EXTRLY_EEPDATA
IO
3.3V
External Tel Relay
R34
LSI_PROCMON
O
3.3V
LSI Test
T01
SDMD16
IO
2.5V
SDRAM Data
T02
SDMD17
IO
2.5V
SDRAM Data
T03
SDMD18
IO
2.5V
SDRAM Data
T04
PAD_DDR_VREF1
I
1.25V
DDR_VREF
T15
VSS
-
GND
GND
T16
VSS
-
GND
GND
T17
VSS
-
GND
GND
T18
VSS
-
GND
GND
T19
VSS
-
GND
GND
T20
VSS
-
GND
GND
T31
NHSYNC
I
5V
Holizontal Sync.
T32
LSI_CW_TAP
I
3.3V
JTAG (Select Pin)
T33
LSI_TN
I
3.3V
LSI Test
T34
LSI_SCAN_ENABLE
I
3.3V
LSI Test
U01
SDCLK
O
2.5V
SDRAM Clock
U02
VDD2.5
-
2.5V
POWER SUPPLY
U03
SDMD15
IO
2.5V
SDRAM Data
U04
VDD2.5
-
2.5V
POWER SUPPLY
PIN NO.
PinName
I/O
POWER SUPPLY
VOLTAGE
EXPLANATION
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