KX-MB1500UCB - Panasonic Copying Equipment Service Manual (repair manual). Page 21

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21
KX-MB1500UCB
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
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
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