Panasonic KX-MB283BR Service Manual page 204

KX-MB283BR
5
A
1:5J 5.6k
RPS
1:5J 5.6k
DOCU
B
C
R760
330
10
1
TD+
2 TD-
CN750 3 RD+
4
TCT
5
6 RD-
7
RCT
8
9
C750
50 100p
D
E
F
6
TO ADF SENSOR
+3.3V
CN700
AP1
1
3.3V
R703
2 RPS
R704
3
DOCU
4 GND
+2.5VA
L752
2 3
L.F
1 4
L753
2 3
L.F
1 4
C756
+2.5PLL +2.5VA
+2.5V
L750 L751
7
1:2H
ADFMEN
1:2H;3:6D
CRM5
1:2H;3:6D
CRM4
1:2H;3:6D
CRM3
1:2H;3:6D
CRM2
1:2H;3:6D
CRM1
1:2H;3:6C
CRM0
R702 NC
(
)
3:5B
MVREF
C705
K0.01u/50V
+2.5VA
R754
37
REXT
6.49k 38
VDDRCV
39
GND6
40
TX-
41
TX+
IC750
42
VDDTX
25MHZ
43
+2.5PLL
GND7
10p 50
44
GND8
45
XO
C757
46
XI
47
12p
50 VDDPLL
48
*RST
R758
0
KX-MB283BR SCHEMATIC DIAGRAM (MAIN BOARD No.2) (2/2)
204
8
For ADF models only
+24V
IC700
32 1
TJMON VM1
31 2
ENABLEA NC1
30 3
IN3 BOUT2
29 4
IN2 NC2
28 5
IN1 RCSB
27 6
IN0 NC3
26 7
PHB1 BOUT1
25 8
PHA1 NC4
24 9
PWMSW AOUT2
23 10
GND NC5
22 11
S5VOUT RCSA
21 12
VCC NC6
20 13
VREFB AOUT1
19 14
VREFA NC7
18 15
BC1 VM2
17 16
BC2 VPUMP
For LAN models only
+3.3V
R756
33
+2.5V
+3.3V
24
VDDIO2
23
GND3
22
1 8
CRS/RMII_BTB
21 RA751
2 7
COL/RMII
20
3 6
TXD3
19
4 5
TXD2
18
1 8
TXD1
17 RA752
2 7
TXD0
16
3 6
TXEN
15
4 5
TXC/REFCLK
14
TXER
13 R76733
VDDC
R761 33
R762 33
R763 33
R764 33
R765 33
2/2
2
-2
TO ADFM
CN701
AP1
1
A
2 B
3
XA
4 XB
1:7E
MGINT
1:7C
CRS
1:7C
COL
TXD[3]
1:7D
TXD[0-3]
TXD[2]
TXD[1]
TXD[0]
1:7C
TX_EN
1:7C
TX_CLKI
1:7D
TX_ER
1:7D
RX_ER
1:7D
RX_CLKI
1:7D
RX_DV
1:7E
MDC
1:7D
MDIO
1:7D
RXD[0-3]
1:2I
XLANRST