Read Panasonic KX-MB283RU / KX-MB783RU (serv.man3) Service Manual Supplement online
33
KX-MB283RU/KX-MB783RU
KX-MB783RU SCHEMATIC DIAGRAM (MAIN BOARD No.2) (2/2)
2/2
2
-2
C
E
B
A
D
F
6
7
5
8
C762
6.3V/47u/105
L.F
L752
1
4
3
2
C751
Z0.1u
L.F
L753
1
4
3
2
R755
2
20
RA752
33
1
2
3
4
5
6
7
8
R754
F6.49k
LED750
Act
A
K
L750
RA751
33
1
2
3
4
5
6
7
8
J100p
C750
C753 Z0.1u
C761
NC
(
)
R758
0
10k
R759
C754
K0.1u
CN750
1
TD+
2
TD-
3
RD+
4
TCT
5
6
RD-
7
RCT
8
9
10
RA750
33
1
2
3
45
6
7
8
330
R760
J22p
C763
J22p
C764
J22p
C765
J22p
C766
X750
25MHz
C758
Z0.1u
C755
K0.1u
R764
33
R765
33
ADFMEN
1:2H
CRM2
1:2H;3:6D
AP1
CN701
1
A
2
B
3
XA
4
XB
CRM3
1:2H;3:6D
K1000p
C710
R708
F0.82(3216)
R707
F0.82(3216)
+24V
K1000p
C711
K0.01u/50V
C705
CRM5
1:2H;3:6D
K0.01u/50V
C706
CRM0
1:2H;3:6C
CRM4
1:2H;3:6D
IC700
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
K1000p
C712
Z0.1u
C703
K1000p
C709
MVREF
3:5B
Z0.1u
C702
CRM1
1:2H;3:6D
56k
R706
CN700
AP1
1
3.3V
2
RPS
3
DOCU
4
GND
5.6k
R703
DOCU
1:5J
+3.3V
5.6k
R704
RPS
1:5J
K1000p
C704
K1000p
C701
56k
R705
C756
D10p
2.2
R709
33
RA753
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
6.3V/47u/105
C752
K0.1u
C767
+3.3V
RX_CLKI
1:4B
IC750
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
J100p
C770
10u/6.3V
C759
K0.01u
C760
10u/6.3V
C769
COL
1:4B
CRS
1:4B
R753
F49.9
RX_ER
1:4B
R750
F49.9
R751
F49.9
XLANRST
1:1E
R752
F49.9
TX_CLKI
1:4B
K0.1u
C768
MDIO
1:4C
+3.3V
C757
D10p
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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