Read Panasonic KX-MB763RU (serv.man2) Service Manual Supplement online
21
KX-MB763RU
KX-MB763RU SCHEMATIC DIAGRAM (MAIN BOARD No.2) (2/2)
2/2
2
-2
C
E
B
A
D
F
6
7
5
8
C762
NC
(
)
L.F
L752
NC
1
4
3
2
C751
NC
(
)
L.F
L753
NC
1
4
3
2
R755
NC
(
)
RA752
NC
1
2
3
4
5
6
7
8
R754
NC
( )
(
)
LED750
Act
NC
A
K
L750
NC
( )
RA751
NC
1
2
3
4
5
6
7
8
C750
( )
( )
NC
C753
NC
(
)
C761
NC
(
)
R758
NC
( )
R759
NC
(
)
C754
NC
(
)
CN750
NC
1
TD+
2
TD-
3
RD+
4
TCT
5
6
RD-
7
RCT
8
9
10
RA750
NC
1
2
3
45
6
7
8
R760
NC
( )
C763
NC
(
)
C764
NC
(
)
C765
NC
(
)
C766
NC
(
)
X750
NC
(
)
C758
NC
(
)
C755
NC
(
)
R764
NC
( )
R765
NC
( )
ADFMEN
1:2H
CRM2
1:2H;3:6D
AP1
CN701
NC
1
A
2
B
3
XA
4
XB
CRM3
1:2H;3:6D
C710
NC
(
)
R708
NC
(
)
R707
NC
(
)
+24V
C711
NC
(
)
C705
NC
( )
CRM5
1:2H;3:6D
C706
NC
(
)
CRM0
1:2H;3:6C
CRM4
1:2H;3:6D
IC700
NC
1
VM1
2
NC1
3
BOUT2
4
NC2
5
RCSB
6
NC3
7
BOUT1
8
NC4
9
AOUT2
10
NC5
11
RCSA
12
NC6
13
AOUT1
14
NC7
15
VM2
17
BC2
18
BC1
19
VREFA
20
VREFB
21
VCC
22
S5VOUT
23
GND
24
PWMSW
25
PHA1
26
PHB1
27
IN0
28
IN1
29
IN2
30
IN3
31
ENABLEA
16
VPUMP
32
TJMON
C712
NC
(
)
C703
NC
(
)
C709
NC
(
)
MVREF
3:5B
C702
NC
(
)
CRM1
1:2H;3:6D
R706
NC
(
)
CN700
AP1
NC
1
3.3V
2
RPS
3
DOCU
4
GND
R703
NC
( )
DOCU
1:5J
+3.3V
R704
NC
( )
RPS
1:5J
C704
NC
(
)
C701
NC
(
)
R705
NC
(
)
C756
NC
( )
C757
NC
( )
R709
NC
(
)
RA753
NC
1
2
3
4
5
6
7
8
+3.3V
MDC
1:4C
TX_EN
1:4B
MGINT
1:4C
RXD[0-3]
1:4B
RX_DV
1:4B
C752
NC
(
)
C767
NC
(
)
+3.3V
RX_CLKI
1:4B
IC750
NC
1
GND1
2
VDDPLL_1.8
9
XI/REFCLK
3
VDDA_3.3
4
RX-
5
RX+
6
TX-
7
TX+
8
XO
10
REXT
11
MDIO
12
MDC
13
RXD3/PHYAD0
14
RXD2/PHYAD1
15
RXD1/RXD1/PHYAD2
16
RXD0/RXD0/DUPLEX
17
VDDIO_3.3
18
RXDV/CRSDV/CONFIG2
19
RXC
20
RXER/RX_ER/ISO
21
*INT
22
TXC
23
TXEN/TX_EN
24
TXD0/TXD0
25
TXD1/TXD1
26
TXD2
27
TXD3
28
COL/CONFIG0
29
CRS/CONFIG1
30
LED0/NWAYEN
31
LED1/SPEED
32
*RST
33
GND2
TXD[0-3]
1:4B
C770 NC
( )
C759
NC
(
)
C760
NC
(
)
C769
NC
(
)
COL
1:4B
CRS
1:4B
R753
NC
(
)
RX_ER
1:4B
R750
NC
(
)
R751
NC
(
)
XLANRST
1:1E
R752
NC
(
)
TX_CLKI
1:4B
C768
NC
(
)
MDIO
1:4C
+3.3V
TXD[1]
RXD[0]
RXD[1]
RXD[2]
RXD[3]
TXD[0]
TXD[3]
TXD[2]
TXD[2]
For LAN models only
TO ADFM
TO ADF SENSOR
For ADF models only
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