Ethernet/Power Block - Panasonic KX-NT265X Service Manual

17.2. Ethernet/Power block

PHY_nRST
PHY3.3V
R100
1k
M1_MDIO
M1_MDC
M1_RXD[3]
M1_RXD[3-0]
M1_RXD[2]
M1_RXD[1]
M1_RXD[0]
PHY3.3V
(10)
R135 39 DG
M1_RXDV
R136 33
M1_RXCLK
R137 33
M1_RXER
PHY2.5V
D3.3V PHY3.3V
(7)
L100
0
M1_TXCLK
M1_TXEN
M1_TXD[3-0]
M1_COL
M1_CRS
D1.8V
D1.8V
C146
C100
100u/6.3V
K0.01u
DG
DG
D3.3V
D3.3V
C147
C101
100u/6.3V
K0.01u
DG
C151
Z0.1u
DG
D3.3V
DG
PHY2.5V
C109 27p
(5)
L102
X2
0
25MHz
C106
C105
R139
Z10u
Z0.1u
120
PHY2.5V
C111
DG
Z22u
C110 DG
27p
PHY2.5V
C112
PHY2.5V
K0.01u
DG
C153
NC
R108 6.49k(1%)
C103 DG
Z0.1u
DG
DG
DG
DG
1 MDIO GND36 36
2 MDC GND35 35
DG
3 RXD3/PHYAD1 FXSD/FXEN 34
4 RXD2/PHYAD2 RX+ 33
5 RXD1/PHYAD3 RX- 32
PHY2.5V
IC2
6 RXD0/PHYAD4 VDDRX 31
DG
7 VDDIO7 PD# 30
8 GND8 LED3/NWAYEN 29
9 RXDV/PCS_LPBK LED2/DUPLEX 28
10 RXC LED1/SPD100 27
11 RXER/ISO LED0/TEST 26
INT#/PHYAD0
12 GND12 25
DG
L101 0 PHY3.3V
DG
DG
C104
Z10u
DG
DG
M1_TXD[0]
M1_TXD[1]
M1_TXD[2]
M1_TXD[3]
IC9
NC CE D5.0V
3 C152
4
Z0.1u
D5.0V_1
VSS
2 D2
D5.0V
DG
VOUT
VIN
1
5
D6
R106
40V/2A
D7
100(1/4W)
C148 40V/2A
R102
DG 0.7F/2.5V
10k
D1
4.7V
R103 C149
IC10
10k 0.7F/2.5V
1 5
CE VOUT
2
GND
4
3
NC VDD
DG
DC_ALARM
L118 R118
100k
(1/4W)
PHY2.5V
L213
(8),(9)
K0.01u
R133
R110 0
49.9(1%) R140
C118
K0.1u R111
R141
49.9(1%) R134
DG
0
R119
DG
R112
0
R142
49.9(1%)
C119
R113
K0.1u
R143
49.9(1%)
R120
DG
C132
0
C133
Z0.1u
PHY_nPD
(11),(12)
PHY_nIRQ
(6)
IC5
14
1
L103 C120 NC1
NC14
R109 1 100uH D4
K0.022u 13
2
SW
VIN
R117
3 12 100k
D8 BST
VCC C123
100V/3A 11 Z0.1u
4
ISEN
RON/SD
DG
10
5
SGND
SS
C122
9
6
K0.022u
DG RTN
FB
DG
DG
8
7
NC7
NC8
R115
R116
10k 10k
DG
nDETPDN IC8
1 4
Vout D5
Vss
2 3
Vin
NC 100V/3A
DG
D5.0V_1 D1.8V
D3.3V_2 A3.3V
AG DG
DG
8.4 Ethernet CIRCUIT
EtherJACK
(LAN)
C131
DG
T1
1 TX+ 16
TD+
2 TCT TXCT 15
3 TD- TX- 14
4 NC13 13
NC4
5 NC5 NC12 12
6 RD+ RX+ 11
7 RXCT 10
RCT
RX- 9
8 RD-
K0.01u
DG
L114 L115 L116 L117
R126 R127 R130 R131
75 75 75 75
0.1u/250V
C136 C138 C141 C144
C137 C142
1000P/2kV
AG_2
AG_2
L108 L110 L111
C143 NC
C139 NC
D11 D13
C140
0.047u/100V
IP1
250mA
IC6 PoE+
1 8
8.5 POWER SUPPLY CIRCUIT
GND
NC1
2 7
NC7
RCLASS
3 6
RWRGD
NC3
4 5
PoE- VOUT
VIN
#TRPBF
DG
JK4
L105 DCIN+
2
C135
3 DC_JACK
Z0.1u 1
L106
0
DG DCIN-
C442
KX-NT265X/KX-NT265X-B
Z0.1u
Ethernet/POWER block
DG AG
(8),(9)
1
TX+
2
TX-
3
RX+
4
4
(11),(12)
5
5
6
RX-
7
7
8
8
JK1
0.1u/250V
1000P/2kV
L113