Panasonic UF-5500 Service Manual page 257

5
A
R802
F10k 1%
IC800
B
R815
F10k 1%
C
Q801
C
B
C
E
B
Q800
E
R760
10
330
1
D
2
3
4
CN750
5
6
7
8
9
C750
J100p
E
LAN circuit
UF-5500 ONLY
F
6
+24V
+24VIN
C809
R812
K0.047u
F2.2k
R801
F1k 1% R800
Gate
F22k 1%
R819
470(3216)
R820
470(3216)
R817
F2k 1%
R813
C811
F1k
K0.47u(1608)
+24VIN
R808
22k
L752
2 3
L.F
1 4
+3.3V
L753
2 3 L750
L.F
1 4
C757
UF-5500 ONLY
7
1 6
D1 D4
Q804
2 5
D2 D3
3
4
G S
Q806
Q802
1 6
D1
D4
Q805
5
2
D2 D3
4
3
G S
Q807
Q803
+3.3V
IC750
1 GND1
TXD0/TXD0
2 VDDPLL_1.8
TXEN/TX_EN
3 VDDA_3.3
4 RX-
5 RX+
RXER/RX_ER/ISO
6 TX-
7 TX+
RXDV/CRSDV/CONFIG2
8 XO
VDDIO_3.3
C756
D10p
J15p
R754
F6.49k
C770
J100p
25MHz
UF-5500 SCHEMATIC DIAGRAM (MAIN BOARD No.2) (2/2)
257
8
+3.3V
CL800
CL801
L800
22u
+1.2V
CL803
CL804
L801
22u
RA751
33
1:1E
1 1:4B
8
2 1:4B
7
TXD[3]
1:4B
3 6
TXD[2]
4 5
TXD[1]
1 8
TXD[0]
2
7
3
6
4 5
RA752
33
24
23 1:4B
22 1:4B
RA753
TXC
33 1
21 1:4C
8
*INT
1:4B
20 2 7
19 3 6 1:4B
RXC
18 4 5 1:4B
17
+3.3V
33 R764
1:4C
33 R765 1:4C
1:4B
UF-5500 / 4500
2/2
2
-2
XLANRST
CRS
COL
TXD[0-3]
TX_EN
TX_CLKI
MGINT
RX_ER
RX_CLKI
RX_DV
MDC
MDIO
RXD[0-3]