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Model
KX-MB1500RUB KX-MB1500RUD KX-MB1500RUW KX-MB1520RUB KX-MB1520RUW KX-MB1530RUB
Pages
127
Size
25.67 MB
Type
PDF
Document
Service Manual
Brand
Device
Fax / MULTI-FUNCTION PRINTER
File
kx-mb1500rub-kx-mb1500rud-kx-mb1500ruw-kx-mb1520ru.pdf
Date
PREV: Panasonic KX-FLM663RU (serv.man7) Service Manual / Supplement

Panasonic KX-MB1500RUB / KX-MB1500RUD / KX-MB1500RUW / KX-MB1520RUB / KX-MB1520RUW / KX-MB1530RUB Service Manual ▷ View online

21
KX-MB1500RU/KX-MB1520RU/KX-MB1530RU
Description of Pin Distribution (IC300) SOC (System On Chip)
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
A02
LEDONB
O
3.3V
SCANNER INTERFACE
A03
NCCDON
O
3.3V
SCANNER INTERFACE
A04
AFEMCLK
O
3.3V
SCANNER INTERFACE
A05
NCCDCP
O
3.3V
NOT USED
A06
CCDCLK
O
3.3V
NOT USED
A07
PIO29
O
3.3V
OPERATION PANEL INTERFACE
A08
PIO57
O
3.3V
CARRIAGE MOTOR INTERFACE
A09
PIO53
O
3.3V
CARRIAGE MOTOR INTERFACE
A10
PIO50
O
3.3V
CARRIAGE MOTOR INTERFACE
A11
PIO46
O
3.3V
NOT USED
A12
PIO42
O
3.3V
MAIN MOTOR INTERFACE
A13
NFRCE
O
3.3V
FLASH MEMORY CHIP SELECT
A14
FRMD0
I/O
3.3V
FLASH MEMORY DATA BUS 0
A15
FRMD3
I/O
3.3V
FLASH MEMORY DATA BUS 3
A16
FRMD7
I/O
3.3V
FLASH MEMORY DATA BUS 7
A17
FRMA3
O
3.3V
FLASH MEMORY ADDRESS BUS 3
A18
FRMA6
O
3.3V
FLASH MEMORY ADDRESS BUS 6
A19
FRMA10
O
3.3V
FLASH MEMORY ADDRESS BUS 10
A20
THRMAVDD
-
3.3V
POWER SUPPLY
A21
FRMA11
O
3.3V
FLASH MEMORY ADDRESS BUS 11
A22
FRMA15
O
3.3V
FLASH MEMORY ADDRESS BUS 15
A23
FRMA17
O
3.3V
FLASH MEMORY ADDRESS BUS 17
A24
FRMA20
O
3.3V
FLASH MEMORY ADDRESS BUS 20
A25
FRMA22
O
3.3V
FLASH MEMORY ADDRESS BUS 22
AA01
SDMD8
I/O
3.3V
SDRAM DATA BUS 8
AA02
SDMD9
I/O
3.3V
SDRAM DATA BUS 9
AA03
SDMA7
O
3.3V
SDRAM ADDRESS BUS 7
AA04
SDMA6
O
3.3V
SDRAM ADDRESS BUS 6
AA23
VDD1.2
-
1.2V
POWER SUPPLY
AA24
AFERST
O
3.3V
NCU INTERFACE
AA25
RING
I
3.3V
NOT USED
AA26
EXTINT
I
3.3V
NOT USED
AB01
SDMD10
I/O
3.3V
SDRAM DATA BUS 10
AB02
SDMD11
I/O
3.3V
SDRAM DATA BUS 11
AB03
SDMA5
O
3.3V
SDRAM ADDRESS BUS 5
AB04
VDD1.2
-
1.2V
POWER SUPPLY
AB23
VSS
-
GND
GND
AB24
BTXD
O
3.3V
NCU INTERFACE
AB25
BRXD
I
3.3V
NCU INTERFACE
AB26
AFECLK
O
3.3V
NCU INTERFACE
AC01
SDMD12
I/O
3.3V
SDRAM DATA BUS 12
AC02
SDMD13
I/O
3.3V
SDRAM DATA BUS 13
AC03
SDMA4
O
3.3V
SDRAM ADDRESS BUS 4
AC04
VSS
-
GND
GND
AC05
VSS
-
GND
GND
AC06
VDD1.2
-
1.2V
POWER SUPPLY
AC07
TXD0
O
3.3V
NOT USED
AC08
TX_ER
O
3.3V
NOT USED
AC09
RXD1
I
3.3V
NOT USED
AC10
VDD3.3
-
3.3V
POWER SUPPLY
AC11
TEST
I
3.3V
NOT USED
AC12
USBREXT
I
3.3V
USB INTERFACE
AC13
VDD1.2
-
1.2V
POWER SUPPLY
AC14
VDD3.3
-
3.3V
POWER SUPPLY
AC15
USBXIN
I
3.3V
CRYSTAL(12MHz) INPUT
AC16
LSI_SCAN_ENABLE
I
3.3V
NOT USED
AC17
VDD1.2
-
1.2V
POWER SUPPLY
AC18
NWDTRST
O
3.3V
WATCH DOG TIMER RESET OUTPUT
AC19
LSI_TN
I
3.3V
NOT USED
AC20
PSCIO2
I
3.3V
INPUT PORT (FANDET1)
AC21
PSCIO6
O
3.3V
NOT USED
AC22
VDD1.2
-
1.2V
POWER SUPPLY
AC23
VSS
-
GND
GND
AC24
ATXD
O
3.3V
NCU INTERFACE
AC25
BBITCLK
O
3.3V
NCU INTERFACE
22
KX-MB1500RU/KX-MB1520RU/KX-MB1530RU
AC26
BSPCLK
O
3.3V
NCU INTERFACE
AD01
SDMD14
I/O
3.3V
SDRAM DATA BUS 14
AD02
SDMD15
I/O
3.3V
SDRAM DATA BUS 15
AD03
VSS
-
GND
GND
AD04
NBATRST
I
3.3V
BATTERY RESET INPUT
AD05
VDD2RTC
-
1.2V
POWER SUPPLY
AD06
CRS
I
3.3V
NOT USED
AD07
TXD1
O
3.3V
NOT USED
AD08
RX_DV
I
3.3V
NOT USED
AD09
RXD2
I
3.3V
NOT USED
AD10
RX_ER
I
3.3V
NOT USED
AD11
CLKSEL
I
3.3V
NOT USED
AD12
USBVSSA33_BIAS
-
GND
GND
AD13
USBVSSA33
-
GND
GND
AD14
USBVDDA12_SQ
-
1.2V
POWER SUPPLY
AD15
USBVSSA12
-
GND
GND
AD16
LSI_TRSTN
I
3.3V
NOT USED
AD17
LSI_TDO
O
3.3V
NOT USED
AD18
NRST
I
3.3V
SYSTEM RESET INPUT
AD19
HTRCTL
O
3.3V
HEATER CONTROL
AD20
PSCIO3
I
3.3V
INPUT PORT (POUT)
AD21
PSCIO7
O
3.3V
NOT USED
AD22
PSCIO15
O
3.3V
NOT USED (KX-MB1500/KX-MB1520 ONLY)
I
3.3V
INPUT PORT (RPS) (KX-MB1530 ONLY)
AD23
NC
-
-
NOT USED
AD24
VSS
-
GND
GND
AD25
ASPCLK
O
3.3V
NCU INTERFACE
AD26
ARXD
I
3.3V
NCU INTERFACE
AE01
SDLDM1
O
3.3V
SDRAM DQML1
AE02
VSS
-
GND
GND
AE03
SYSPLLVSS1
-
GND
GND
AE04
RTCCLKOUT
O
3.3V
CRYSTAL(32.768KHz) OUTPUT
AE05
RTCPWRDWN
I
3.3V
RTC POWER DOWN
AE06
TX_CLKI
I
3.3V
NOT USED
AE07
TXD2
O
3.3V
NOT USED
AE08
RX_CLKI
I
3.3V
NOT USED
AE09
RXD3
I
3.3V
NOT USED
AE10
MDC
O
3.3V
NOT USED
AE11
NC
-
-
NOT USED
AE12
USBID
O
3.3V
NOT USED
AE13
USBDM
I/O
3.3V
USB INTERFACE
AE14
USBVSSA12_SQ
-
GND
GND
AE15
USBVDDA12PLL
-
1.2V
POWER SUPPLY
AE16
USBVDDA12
-
1.2V
POWER SUPPLY
AE17
LSI_TDI
I
3.3V
NOT USED
AE18
LSI_PROCMON
O
3.3V
NOT USED
AE19
LSI_IDDT
I
3.3V
NOT USED
AE20
PSCIO1
O
3.3V
NOT USED
AE21
PSCIO5
O
3.3V
NOT USED
AE22
PSCIO13
I
3.3V
INPUT PORT (TNR)
AE23
MDMCLKOUT
O
3.3V
CRYSTAL(24.576MHz) OUTPUT
AE24
MDMPLLVDD
-
1.2V
POWER SUPPLY
AE25
VSS
-
GND
GND
AE26
ABITCLK
O
3.3V
NCU INTERFACE
AF02
SYSPLLVDD1
-
1.2V
POWER SUPPLY
AF03
VDD3.3OSC
-
3.3V
POWER SUPPLY
AF04
RTCCLKIN
I
3.3V
CRYSTAL(32.768KHz) INPUT
AF05
COL
I
3.3V
NOT USED
AF06
TX_EN
O
3.3V
NOT USED
AF07
TXD3
O
3.3V
NOT USED
AF08
RXD0
I
3.3V
NOT USED
AF09
MDIO
I/O
3.3V
NOT USED
AF10
MGTINT
I
3.3V
NOT USED
AF11
USBVBUS
I
3.3V
USB INTERFACE
AF12
USBVDDA33_BIAS
-
3.3V
POWER SUPPLY
AF13
USBDP
I/O
3.3V
USB INTERFACE
AF14
USBVDDA33
-
3.3V
POWER SUPPLY
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
23
KX-MB1500RU/KX-MB1520RU/KX-MB1530RU
AF15
USBVSSA12PLL
-
GND
GND
AF16
USBXOUT
O
3.3V
CRYSTAL(12MHz) OUTPUT
AF17
LSI_TMS
I
3.3V
NOT USED
AF18
LSI_TCK
I
3.3V
NOT USED
AF19
LSI_CW_TAP
I
3.3V
NOT USED
AF20
PSCIO0
I
3.3V
INPUT PORT (RESIST)
AF21
PSCIO4
O
3.3V
NOT USED
AF22
PSCIO12
I
3.3V
INPUT PORT (TP_CHK)
AF23
PSCIO14
O
3.3V
NOT USED (KX-MB1500/KX-MB1520 ONLY)
I
3.3V
INPUT PORT (DOCU) (KX-MB1530 ONLY)
AF24
MDMCLKIN
I
3.3V
CRYSTAL(24.576MHz) INPUT
AF25
MDMPLLVSS
-
GND
GND
B01
AFEADC0
I
3.3V
NOT USED
B02
VSS
-
GND
GND
B03
LEDONG
O
3.3V
SCANNER INTERFACE
B04
AFERSMP
O
3.3V
SCANNER INTERFACE
B05
AFEVSMP
O
3.3V
SCANNER INTERFACE
B06
NCCDRS
O
3.3V
SCANNER INTERFACE
B07
PIO30
I/O
3.3V
OPERATION PANEL INTERFACE
B08
MMPWR
O
3.3V
MAIN MOTOR INTERFACE
B09
PIO54
O
3.3V
CARRIAGE MOTOR INTERFACE
B10
PIO51
O
3.3V
CARRIAGE MOTOR INTERFACE
B11
PIO47
O
3.3V
NOT USED
B12
PIO43
O
3.3V
MAIN MOTOR INTERFACE
B13
NFROE
O
3.3V
FLASH MEMORY CHIP OUTPUT ENABLE
B14
FRMD1
I/O
3.3V
FLASH MEMORY DATA BUS 1
B15
FRMD4
I/O
3.3V
FLASH MEMORY DATA BUS 4
B16
FRMA0
O
3.3V
FLASH MEMORY ADDRESS BUS 0
B17
FRMA4
O
3.3V
FLASH MEMORY ADDRESS BUS 4
B18
FRMA7
O
3.3V
FLASH MEMORY ADDRESS BUS 7
B19
THRMAVSS
-
GND
GND
B20
TONE
O
3.3V
ANALOG(TONE) OUTPUT
B21
FRMA12
O
3.3V
FLASH MEMORY ADDRESS BUS 12
B22
FRMA16
O
3.3V
FLASH MEMORY ADDRESS BUS 16
B23
FRMA19
O
3.3V
FLASH MEMORY ADDRESS BUS 19
B24
FRMA21
O
3.3V
FLASH MEMORY ADDRESS BUS 21
B25
VSS
-
GND
GND
B26
DOTPLLVSS
-
GND
GND
C01
AFEADC3
I
3.3V
NOT USED
C02
AFEADC1
I
3.3V
NOT USED
C03
VSS
-
GND
GND
C04
LEDONR
O
3.3V
SCANNER INTERFACE
C05
OEB
O
3.3V
NOT USED
C06
CCDSH
O
3.3V
SCANNER INTERFACE
C07
PIO31
O
3.3V
OPERATION PANEL INTERFACE
C08
OPMPWR
O
3.3V
FAN CONTROL
C09
PIO55
O
3.3V
CARRIAGE MOTOR INTERFACE
C10
PIO52
O
3.3V
CARRIAGE MOTOR INTERFACE
C11
PIO49
O
3.3V
NOT USED
C12
PIO45
O
3.3V
MAIN MOTOR INTERFACE
C13
NFRWE
O
3.3V
FLASH MEMORY CHIP WRITE ENABLE
C14
FRMD2
I/O
3.3V
FLASH MEMORY DATA BUS 2
C15
FRMD6
I/O
3.3V
FLASH MEMORY DATA BUS 6
C16
FRMA2
O
3.3V
FLASH MEMORY ADDRESS BUS 2
C17
FRMA5
O
3.3V
FLASH MEMORY ADDRESS BUS 5
C18
FRMA9
O
3.3V
FLASH MEMORY ADDRESS BUS 9
C19
THRMSTR0
I
3.3V
ANALOG INPUT(THERMISTOR)
C20
TONEAVDD
-
3.3V
POWER SUPPLY
C21
FRMA14
O
3.3V
FLASH MEMORY ADDRESS BUS 14
C22
FRMA18
O
3.3V
FLASH MEMORY ADDRESS BUS 18
C23
FRMA23
O
3.3V
FLASH MEMORY ADDRESS BUS 23
C24
VSS
-
GND
GND
C25
DOTPLLVDD
-
1.2V
POWER SUPPLY
C26
DOTCLKIN
I
3.3V
CRYSTAL(17.328MHz) INPUT
D01
AFEADC5
I
3.3V
SCANNER INTERFACE
D02
AFEADC4
I
3.3V
SCANNER INTERFACE
D03
AFEADC2
I
3.3V
NOT USED
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
24
KX-MB1500RU/KX-MB1520RU/KX-MB1530RU
D04
VSS
-
GND
GND
D05
VSS
-
GND
GND
D06
VDD1.2
-
1.2V
POWER SUPPLY
D07
PIO32
O
3.3V
OPERATION PANEL INTERFACE
D08
CRMPWR
O
3.3V
MOTOR CURRENT CONTROL
D09
PIO56
O
3.3V
NOT USED
D10
VDD1.2
-
1.2V
POWER SUPPLY
D11
PIO48
O
3.3V
NOT USED
D12
PIO44
O
3.3V
MAIN MOTOR INTERFACE
D13
VDD3.3
-
3.3V
POWER SUPPLY
D14
VDD1.2
-
1.2V
POWER SUPPLY
D15
FRMD5
I/O
3.3V
FLASH MEMORY DATA BUS 5
D16
FRMA1
O
3.3V
FLASH MEMORY ADDRESS BUS 1
D17
VDD3.3
-
3.3V
POWER SUPPLY
D18
FRMA8
O
3.3V
FLASH MEMORY ADDRESS BUS 8
D19
THRMSTR1
I
3.3V
ANALOG INPUT(THERMISTOR)
D20
TONEAVSS
-
GND
GND
D21
FRMA13
O
3.3V
FLASH MEMORY ADDRESS BUS 13
D22
VDD1.2
-
1.2V
POWER SUPPLY
D23
VSS
-
GND
GND
D24
NC
-
-
NOT USED
D25
DOTCLKOUT
O
3.3V
CRYSTAL(17.328MHz) OUTPUT
D26
PIO66
O
3.3V
NOT USED
E01
SDUDM0
O
3.3V
NOT USED
E02
AFEADC7
I
3.3V
SCANNER INTERFACE
E03
AFEADC6
I
3.3V
SCANNER INTERFACE
E04
VSS
-
GND
GND
E23
VDD1.2
-
1.2V
POWER SUPPLY
E24
FRMA24
O
3.3V
FLASH MEMORY ADDRESS BUS 24
E25
PIO65
O
3.3V
OUTPUT PORT (BREAK)
E26
PIO64
O
3.3V
OUTPUT PORT (P_SHORT)
F01
SDMD16
I/O
3.3V
SDRAM DATA BUS 16
F02
SDMD17
I/O
3.3V
SDRAM DATA BUS 17
F03
AFESIFCLK
O
3.3V
SCANNER INTERFACE
F04
VDD1.2
-
1.2V
POWER SUPPLY
F23
PIO24
O
3.3V
NOT USED
F24
PIO61
O
3.3V
OUTPUT PORT(SPMUTE)
F25
PIO60
O
3.3V
NOT USED
F26
PIO3
O
3.3V
NOT USED
G01
SDMD18
I/O
3.3V
SDRAM DATA BUS 18
G02
SDMD19
I/O
3.3V
SDRAM DATA BUS 19
G03
AFESIFDIN
I
3.3V
SCANNER INTERFACE
G04
AFESIFEN
O
3.3V
SCANNER INTERFACE
G23
PSCIO24
I
3.3V
LSU INTERFACE
G24
PIO2
O
3.3V
LSU INTERFACE
G26
PIO58
O
3.3V
OUTPUT PORT(CIDRLY)
H01
SDMD20
I/O
3.3V
SDRAM DATA BUS 20
H02
SDMD21
I/O
3.3V
SDRAM DATA BUS 21
H03
NSDCS2
O
3.3V
NOT USED
H04
AFESIFDOUT
O
3.3V
SCANNER INTERFACE
H23
PIO63
O
3.3V
LSU INTERFACE
H24
PIO62
O
3.3V
LSU INTERFACE
H25
PIO28
O
3.3V
LSU INTERFACE
H26
PIO21
O
3.3V
LSU INTERFACE
J01
SDMD22
I/O
3.3V
SDRAM DATA BUS 22
J02
SDMD23
I/O
3.3V
SDRAM DATA BUS 23
J03
SDMA3
O
3.3V
SDRAM ADDRESS BUS 3
J04
SDMA2
O
3.3V
SDRAM ADDRESS BUS 2
J23
PIO6
O
3.3V
HIGH VOLTAGE UNIT INTERFACE
J24
PIO27
O
3.3V
NOT USED
J25
PIO5
O
3.3V
HIGH VOLTAGE UNIT INTERFACE
J26
PIO4
O
3.3V
HIGH VOLTAGE UNIT INTERFACE
K01
VSS
-
GND
GND
K02
SDCLK2
O
3.3V
NOT USED
K03
VSS
-
GND
GND
K04
VDD3.3
-
3.3V
POWER SUPPLY
K23
VDD1.2
-
1.2V
POWER SUPPLY
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
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