DOWNLOAD Panasonic KX-MB2051RUB / KX-MB2061RUB Service Manual ↓ Size: 22.44 MB | Pages: 127 in PDF or view online for FREE

Model
KX-MB2051RUB KX-MB2061RUB
Pages
127
Size
22.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Fax / MULTI-FUNCTION PRINTER
File
kx-mb2051rub-kx-mb2061rub.pdf
Date
PREV: Panasonic KX-MB2000RUB / KX-MB2000RUW / KX-MB2020RUB / KX-MB2020RUW / KX-MB2030RUB / KX-MB2030RUW (serv.man3) Service Manual / Supplement

Panasonic KX-MB2051RUB / KX-MB2061RUB Service Manual ▷ View online

25
KX-MB2051RUB / KX-MB2061RUB
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
I
3.3V
INPUT PORT (BMINFT2)
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
NOT USED
F24
PIO61
O
3.3V
NOT USED
F25
PIO60
O
3.3V
OUTPUT PORT (BBFWMOD)
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
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
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
OUTPUT PORT (BBRESET)
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 (UCTS)
K25
PIO40
O
3.3V
BBIC INTERFACE (URX)
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
26
KX-MB2051RUB / KX-MB2061RUB
K26
PIO39
O
3.3V
NOT USED (URTS)
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
BBIC INTERFACE (NCBUSY2)
L24
PIO38
O
3.3V
BBIC INTERFACE (UTX)
L25
PIO36
O
3.3V
BBIC INTERFACE (NCBUSY1)
L26
PIO35
O
3.3V
BBIC INTERFACE (SPICLK)
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
BBIC INTERFACE (SPIDO)
M24
PIO34
O
3.3V
BBIC INTERFACE (SPIDI)
M25
PIO26
O
3.3V
NOT USED
M26
PIO25
O
3.3V
OUTPUT PORT(F_MUTE)
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
BBIC INTERFACE (BMINFT2)
N26
PIO20
O
3.3V
BBIC INTERFACE (BMINFT1)
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
27
KX-MB2051RUB / KX-MB2061RUB
R23
PIO13
O
3.3V
NOT USED
R24
PIO12
O
3.3V
NOT USED
R25
PIO14
O
3.3V
LSU INTERFACE
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
NOT USED
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
28
KX-MB2051RUB / KX-MB2061RUB
Description of Pin Distribution (IC902)
PIN NO.
PinName
I/O
POWER SUPPLY VOLTAGE
EXPLANATION
1
VDDIO1
-
+3.0V
+3.0V
2
VSS1
-
GND
GND
3
AD8
O
+3.0V
Flash/Mask ROM Address [8]
4
AD9
O
+3.0V
Flash/Mask ROM Address [9]
5
AD10
O
+3.0V
Flash/Mask ROM Address [10]
6
AD11
O
+3.0V
Flash/Mask ROM Address [11]
7
AD12
O
+3.0V
Flash/Mask ROM Address [12]
8
AD13
O
+3.0V
Flash/Mask ROM Address [13]
9
AD14
O
+3.0V
Flash/Mask ROM Address [14]
10
P37/PD7
I
+3.0V
CIRCUIT CONTROL INPUT PORT (BELL)
11
P31/PD1
O
+3.0V
CIRCUIT CONTROL INPUT PORT (P-SHORT)
12
P35/PD5
O
+3.0V
CIRCUIT CONTROL INPUT PORT (BREAK)
13
P34/PD4
O
+3.0V
CIRCUIT CONTROL INPUT PORT (CIDRLY)
14
P33/PD3
I
+3.0V
CIRCUIT CONTROL INPUT PORT (DCN)
15
P32/PD2
O
+3.0V
RF RESET SIGNAL
16
VDD1
-
+1.8V
+1.8V
17
VSS2
-
GND
GND
18
RFCLK
O
+1.8V
RF INTERFACE
19
VDDRF
-
+1.8V
+1.8V
20
VSSRF
-
GND
GND
21
XTAL1
I
+1.8V
CRYSTAL INPUT SIGNAL
22
CAP
I
+1.8V
CRYSTAL ADJUST SIGNAL
23
AVS
-
GND
GND
24
AVD
-
+1.8V
+1.8V
25
RSSI
I
+1.8V
NOT USED
26
RDI
I
+3.0V
RF INTERFACE
27
CMPREF
I
+1.8V
NOT USED
28
TDO
O
+3.0V
RF INTERFACE
29
AD15
O
+3.0V
Flash/Mask ROM Address [15]
30
AD16
O
+3.0V
Flash/Mask ROM Address [16]
31
AD17
O
+3.0V
Flash/Mask ROM Address [17]
32
AD18
O
+3.0V
Flash/Mask ROM Address [18]
33
AD19
O
+3.0V
Flash/Mask ROM Address [19]
34
AD20
O
+3.0V
Flash/Mask ROM Address [20]
35
AD21
O
+3.0V
Flash/Mask ROM Address [21]
36
AD22
O
+3.0V
Flash/Mask ROM Address [22]
37
AD23
O
+3.0V
Flash/Mask ROM Address [23]
38
LE
O
+3.0V
RF INTERFACE
39
SO
O
+3.0V
RF INTERFACE
40
SK
O
+3.0V
RF INTERFACE
41
DAC/ADC2
I
+1.8V
NOT USED
42
P36/PD6
I
+3.0V
NOT USED (URTS)
43
*RD
O
+3.0V
Flash/Mask ROM READ COMMAND
44
*WR
O
+3.0V
Flash/Mask ROM WRITE COMMAND
45
MI/READY
I
+3.0V
NOT USED
46
SCLK
O
+3.0V
SYSTEM BUS CLOCK
47
UTX/P00
O
+3.0V
UART SERIAL INTERFACE (UTX)
48
URX/P01
I
+3.0V
UART SERIAL INTERFACE (URX)
49
JTIO/P02
I
+3.0V
NOT USED
50
PCM_FSC1/P03
I
+3.0V
NOT USED (UCTS)
51
PCM_FSC0/P04
O
+3.0V
CIRCUIT CONTROL INPUT PORT (SPMUTE)
52
PCM_CLK/P05
I
+3.0V
SoC(IC300)INTERFACE SIGNAL (BMINFT1)
53
PCM_DOUT/P06
O
+3.0V
SoC(IC300)INTERFACE SIGNAL (BMINFT2)
54
PCM_DIN/P07
O
+3.0V
RF CONTROL SIGNAL (ECO_MODE)
55
VDDIO2
-
+3.0V
+3.0V
56
VSS3
-
GND
GND
57
*DREQ0/*INT0/P10
O
+3.0V
EEPROM INTERFACE SIGNAL (WP)
58
*DACK0/*INT1/P11
O
+3.0V
SoC(IC300) INTERFACE SIGNAL (NCBUSY1)
59
ACS1/*DREQ1/*INT2/P12
O
+3.0V
CIRCUIT CONTROL OUTPUT PORT
(SPMUTE2)
60
ACS0
O
+3.0V
Flash/Mask ROM Chip Select
61
ACS2/*DACK1/*INT3/P13
I
+3.0V
SoC(IC300) INTERFACE SIGNAL (NCBUSY2)
62
*HOLD/*INT4/P14
O
+3.0V
BBIC ROM WRITE MODE(BBFWMOD)
63
VDDE/*HOLDACK/*INT5/P15 O
+3.0V
RF CONTROL SIGNAL (LOW_LAD)
64
*BE1
O
+3.0V
Byte Enable signal (NOT USED)
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