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Model
KX-MB2000RUB KX-MB2000RUW KX-MB2020RUB KX-MB2020RUW KX-MB2030RUB KX-MB2030RUW
Pages
127
Size
18.48 MB
Type
PDF
Document
Service Manual
Brand
Device
Fax / MULTI-FUNCTION PRINTER
File
kx-mb2000rub-kx-mb2000ruw-kx-mb2020rub-kx-mb2020ru.pdf
Date
PREV: Panasonic KX-MB1900UCB / KX-MB2020UCB (serv.man2) Service Manual

Panasonic KX-MB2000RUB / KX-MB2000RUW / KX-MB2020RUB / KX-MB2020RUW / KX-MB2030RUB / KX-MB2030RUW Service Manual ▷ View online

21
KX-MB2000RUB/KX-MB2000RUW/KX-MB2020RUB/KX-MB2020RUW/KX-MB2030RUB/KX-MB2030RUW
AF16
USBXOUT
I
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 (REGIST)
AF21
PSCIO4
O
3.3V
NOT USED
AF22
PSCIO12
I
3.3V
INPUT PORT (POUT)
AF23
PSCIO14
I
3.3V
INPUT PORT (DOCU)
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
NOT USED
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
NOT USED
B09
PIO54
O
3.3V
CARRIAGE/ADF MOTOR INTERFACE
B10
PIO51
O
3.3V
CARRIAGE/ADF MOTOR INTERFACE
B11
PIO47
O
3.3V
NOT USED
B12
PIO43
O
3.3V
DC 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
NOT USED
C09
PIO55
O
3.3V
CARRIAGE/ADF MOTOR INTERFACE
C10
PIO52
O
3.3V
CARRIAGE/ADF MOTOR INTERFACE
C11
PIO49
O
3.3V
OUTPUT PORT(HSSPMUTE)
C12
PIO45
O
3.3V
DC 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
-
3.3V
POWER SUPPLY
C26
DOTCLKIN
I
3.3V
CRYSTAL(20MHz) INPUT
D01
AFEADC5
I
3.3V
SCANNER INTERFACE
D02
AFEADC4
I
3.3V
SCANNER INTERFACE
D03
AFEADC2
I
3.3V
NOT USED
D04
VSS
-
GND
GND
D05
VSS
-
GND
GND
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
22
KX-MB2000RUB/KX-MB2000RUW/KX-MB2020RUB/KX-MB2020RUW/KX-MB2030RUB/KX-MB2030RUW
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
ADF MOTOR INTERFACE
D10
VDD1.2
-
1.2V
POWER SUPPLY
D11
PIO48
O
3.3V
NOT USED
D12
PIO44
O
3.3V
DC 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(20MHz) OUTPUT
D26
PIO66
O
3.3V
NOT USED
E01
SDUDM0
O
3.3V
SDRAM DQMU0
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
NOT USED
E26
PIO64
O
3.3V
NOT USED
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
I
3.3V
LSU INTERFACE
F24
PIO61
O
3.3V
OUTPUT PORT(SPMUTE)
F25
PIO60
O
3.3V
NOT USED
F26
PIO3
O
3.3V
LSU INTERFACE
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
SDRAM CHIP SELECT 2
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
NOT USED
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
SDRAM CLOCK 2
K03
VSS
-
GND
GND
K04
VDD3.3
-
3.3V
POWER SUPPLY
K23
VDD1.2
-
1.2V
POWER SUPPLY
K24
PIO41
O
3.3V
NOT USED
K25
PIO40
O
3.3V
NOT USED
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
23
KX-MB2000RUB/KX-MB2000RUW/KX-MB2020RUB/KX-MB2020RUW/KX-MB2030RUB/KX-MB2030RUW
K26
PIO39
O
3.3V
NOT USED
L01
SDMD24
I/O
3.3V
SDRAM DATA BUS 24
L02
SDMD25
I/O
3.3V
SDRAM DATA BUS 25
L03
SDMA1
O
3.3V
SDRAM ADDRESS BUS 1
L04
SDMAÇO
O
3.3V
SDRAM ADDRESS BUS 0
L11
VSS
-
GND
GND
L12
VSS
-
GND
GND
L13
VSS
-
GND
GND
L14
VSS
-
GND
GND
L15
VSS
-
GND
GND
L16
VSS
-
GND
GND
L23
PIO37
I
3.3V
INPUT PORT (RING)
L24
PIO38
O
3.3V
NOT USED
L25
PIO36
O
3.3V
NOT USED
L26
PIO35
O
3.3V
NOT USED
M01
SDMD26
I/O
3.3V
SDRAM DATA BUS 26
M02
SDMD27
I/O
3.3V
SDRAM DATA BUS 27
M03
SDMA10
O
3.3V
SDRAM ADDRESS BUS 10
M04
SDBA1
O
3.3V
SDRAM BANK ADDRESS 1
M11
VSS
-
GND
GND
M12
VSS
-
GND
GND
M13
VSS
-
GND
GND
M14
VSS
-
GND
GND
M15
VSS
-
GND
GND
M16
VSS
-
GND
GND
M23
PIO33
O
3.3V
NOT USED
M24
PIO34
O
3.3V
NOT USED
M25
PIO26
O
3.3V
NOT USED
M26
PIO25
O
3.3V
OUTPUT PORT(CNGMUTE)
N01
SDMD28
I/O
3.3V
SDRAM DATA BUS 28
N02
SDMD29
I/O
3.3V
SDRAM DATA BUS 29
N03
SDBA0
O
3.3V
SDRAM BANK ADDRESS 0
N04
VDD1.2
-
1.2V
POWER SUPPLY
N11
VSS
-
GND
GND
N12
VSS
-
GND
GND
N13
VSS
-
GND
GND
N14
VSS
-
GND
GND
N15
VSS
-
GND
GND
N16
VSS
-
GND
GND
N23
VDD3.3
-
3.3V
POWER SUPPLY
N24
PIO23
O
3.3V
NOT USED
N25
PIO22
O
3.3V
NOT USED
N26
PIO20
O
3.3V
NOT USED
P01
SDMD30
I/O
3.3V
SDRAM DATA BUS 30
P02
SDMD31
I/O
3.3V
SDRAM DATA BUS 31
P03
NSDCS
O
3.3V
SDRAM CHIP SELECT 1
P04
VDD3.3
-
3.3V
POWER SUPPLY
P11
VSS
-
GND
GND
P12
VSS
-
GND
GND
P13
VSS
-
GND
GND
P14
VSS
-
GND
GND
P15
VSS
-
GND
GND
P16
VSS
-
GND
GND
P23
VDD1.2
-
1.2V
POWER SUPPLY
P24
PIO16
I
3.3V
INPUT PORT
P25
PIO17
I
3.3V
INPUT PORT
P26
PIO18
I
3.3V
HIGH VOLTAGE UNIT INTERFACE
R01
SDUDM1
O
3.3V
SDRAM DQMU1
R02
SDLDM0
O
3.3V
SDRAM DQML0
R03
BZVDD33
-
3.3V
POWER SUPPLY
R04
BZRST33
-
3.3V
POWER SUPPLY
R11
VSS
-
GND
GND
R12
VSS
-
GND
GND
R13
VSS
-
GND
GND
R14
VSS
-
GND
GND
R15
VSS
-
GND
GND
R16
VSS
-
GND
GND
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
24
KX-MB2000RUB/KX-MB2000RUW/KX-MB2020RUB/KX-MB2020RUW/KX-MB2030RUB/KX-MB2030RUW
R23
PIO13
O
3.3V
NOT USED
R24
PIO12
O
3.3V
NOT USED
R25
PIO14
O
3.3V
NOT USED
R26
PIO15
I
3.3V
INPUT PORT
T01
SDMD0
I/O
3.3V
SDRAM DATA BUS 0
T02
SDMD1
I/O
3.3V
SDRAM DATA BUS 1
T03
NSDCAS
O
3.3V
SDRAM CAS
T04
NSDRAS
O
3.3V
SDRAM RAS
T11
VSS
-
GND
GND
T12
VSS
-
GND
GND
T13
VSS
-
GND
GND
T14
VSS
-
GND
GND
T15
VSS
-
GND
GND
T16
VSS
-
GND
GND
T23
PIO9
O
3.3V
OUTPUT PORT(SNPICK)
T24
PIO8
O
3.3V
NOT USED
T25
PIO10
O
3.3V
NOT USED
T26
PIO11
O
3.3V
OUTPUT PORT(SNREG)
U01
SDMD2
I/O
3.3V
SDRAM DATA BUS 2
U02
SDMD3
I/O
3.3V
SDRAM DATA BUS 3
U03
NSDWE
O
3.3V
SDRAM WRITE ENABLE
U04
VDD1.2
-
1.2V
POWER SUPPLY
U23
VDD3.3
-
3.3V
POWER SUPPLY
U24
PIO0
I
3.3V
INPUT PORT (HOOK)
U25
PIO1
O
3.3V
OUTPUT PORT(EXTRLY)
U26
PIO7
O
3.3V
NOT USED
V01
SDMD4
I/O
3.3V
SDRAM DATA BUS 4
V02
SDMD5
I/O
3.3V
SDRAM DATA BUS 5
V03
SDCKE
O
3.3V
SDRAM CLOCK ENABLE
V04
SDMA12
O
3.3V
SDRAM ADDRESS BUS 12
V23
PSCIO20
I
3.3V
INPUT PORT (CIS HOME)
V24
PSCIO21
O
3.3V
NOT USED
V25
PSCIO22
O
3.3V
NOT USED
V26
PSCIO23
O
3.3V
NOT USED
W01
SDMD6
I/O
3.3V
SDRAM DATA BUS 6
W02
SDMD7
I/O
3.3V
SDRAM DATA BUS 7
W03
SDMA11
O
3.3V
SDRAM ADDRESS BUS 11
W04
SDMA9
O
3.3V
SDRAM ADDRESS BUS 9
W23
PSCIO16
O
3.3V
NOT USED
W24
PSCIO17
I
3.3V
INPUT PORT (FANDET2)
W25
PSCIO18
I
3.3V
INPUT PORT (TOPCVR)
W26
PSCIO19
I
3.3V
INPUT PORT (PSTART)
Y01
VSS
-
GND
GND
Y02
SDCLK
O
3.3V
SDRAM CLOCK 1
Y03
SDMA8
O
3.3V
SDRAM ADDRESS BUS 8
Y04
VSS
-
GND
GND
Y23
AFESEL0
I
3.3V
NCU INTERFACE
Y24
AFESEL1
I
3.3V
NCU INTERFACE
Y25
EXMDMCS
O
3.3V
NOT USED
Y26
DP
O
3.3V
NCU INTERFACE
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
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