Philips 221TE4LB/57 Service Manual page 36

36 Meridian 4
Remark: Parts position can be searched by using FIND function in PDF.
Ethernet PHY
3.3V_PHY
FB7002
2 1
NC/120R/600mA
NC/10uF 6.3V NC/100N 16V
C7001 C7002
R7007
NC/1.5K 1/16W U711
17
EN_TXD0
TXD0
18
EN_TXD1
TXD1
R7008 NC/100R 8
EN_RXD0
RXD0/MODE0
R7009 NC/100R 7
EN_RXD1 RXD1/MODE1
16
EN_TXEN
TXEN
13
EN_MDC
MDC
12
EN_MDIO
MDIO
15
PHY RST#
nRST
R7011 NC/100R 10
EN_RX_ER RXER/PHY AD0
11
EN_CRS_DV CRS_DV/MODE2
5
EN_REFCLK XTAL1/CLKIN
4
XTAL2
R7001
Pull-up Resistors should close to PHY chip ( <400 mil )
NC/10K
C7006 C7007 C7008
NC/100N 16V NC/100N 16V NC/10uF 6.3V
C7009 C7005
NC/100N 16V NC/1uF 10V NC/49.9R 1%
NC/LAN8720A
21 LAN_TX+
TXP
20 LAN_TX-
TXN
23 LAN_RX+
RXP
22 LAN_RX-
RXN
14 R7010 C7013
nINT/REFCLKO GP4
NC/0R05 OHM NC/10pF 50V
2 LED2/nINTSEL
LED2/nINTSEL
3 LED1/REGOFF Common mode caps should close to transformer ( <400 mil )
LED1/REGOFF
24
RBIAS
LED1 = LINK/ACT
LED2 = SPEED
R7012
NC/12.1K 1%
REGOFF & INTSEL Configuration Resistors
R7017
3.3V_PHY
NC/0.05R
R7019
LED1/REGOFF
NC/0.05R
R7002 R7003 R7004 R7005 R7018
NC/49.9R 1% NC/49.9R 1% NC/49.9R 1% NC/0.05R
C7014 C7015 C7016 C7017
NC/10pF 50V NC/10pF 50V NC/10pF 50V NC/22NF25V
R7013
LED2_ANODE LED2_CATHODE LED2/nINTSEL
NC/300R
R7014
LED1_ANODE LED1_CATHODE
NC/300R
3.3V 3.3V_PHY
FB7001
1 2
NC/120R/3000mA
L0603
LED1_ANODE
LED1_CATHODE
LED2_ANODE
LED2_CATHODE
PIN_2
PIN_3
PIN_4
PIN_5 PIN_16
PIN_5
PIN_4
PIN_3
PIN_2
PIN_16 PIN_16
ET_LED1---> LINK/Activity --> Green
ET_LED2---> Speed --> Yellow
CN703
NC/couplier assembly
15
G+ P15
14
G- P14
13
Y + P13
12
Y - P12
11
NC P11
10
NC P10
9
NC P9
8
NC P8
7
NC P7
6
RCT P6
5
RD- P5
4
RD+ P4
3
TD- P3
2
TD+ P2
1
TCT P1
R7020 NC/0.05R
NC
R7021 NC/0.05R