KX-MB1500UCB - Panasonic Copying Equipment Service Manual (repair manual). Page 22

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22
KX-MB1500UCB
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
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