AOC LE46H158Z Service Manual page 42

V_3.3 V_3.3_ETH
120R/600mA
1 2 FB201
1
FB208
100N 16V
C201
R4274
NC 10K+-5%1/16W
C202
10uF 1.5K 1/10W
RESET#
R224
U201
17
15 EN_TXD0
TXD0
18
15 EN_TXD1 TXD1
R230 100OHM1/16W 8
15 EN_RXD0
RXD0/MODE0
R231 100OHM1/16W 7
15 EN_RXD1 RXD1/MODE1
16
15 EN_TXEN
TXEN
13
15 EN_MDC
MDC
12
15 EN_MDIO MDIO
15
17 RESET# nRST
R236 100OHM1/16W 10
15 EN_RX_ER
RXER/PHYAD0
11
15 EN_CRS_DV
CRS_DV/MODE2
5
15 EN_REFCLK XTAL1/CLKIN
4
XTAL2
100BASE-T 10BASE-T
46mA 21mA
300OHM 4A
FB209
1
V12
1
5VSB_IN
5VSB_IN
R209
10K 1/10W
R214
NC
0R05 OHM
R217 R215 12V_DET
4.7K 1/16W
R216 Q205
15 TCON_ON
NC
NC
4.7K 1/16W
R221
220 OHM 1/10W
R732
2
120R/600mA
R223
10K+-5%1/16W
1.2V Voltage
C203 C204 C205
1UF16V 100N 16V 100N 16V
LAN8720A
21 LAN_TX+
TXP
LAN_TX-
20
TXN
LAN_RX+
23
RXP
LAN_RX-
22
RXN
0R05 OHM
14 R232
nINT/REFCLKO
ET_LED2
2
LED2/nINTSEL
3 ET_LED1
LED1/REGOFF
LED1 = LINK/ACTIVITY Green
24
LED2 = LINK SPEED Yellow
RBIAS
Reg ON, LED Active High
R238
12.1K 1%
2 PANEL_VCC
2 FB207 AO4449 -7A/-30V
NC Q203
1 8 C4135
S D
2 7
S D
C212 3 6
+
S D
4 5
220NF 25V
G D
C214 10uF 16V
R213 180K 1/10W R210 220uF 16V
100K 1/10W
Q204
PMBS3904 I Rush 3.6A with 100k 100n
16,25 DRC_EN
V12
R725
360R 1/10W 5% AZ809ANSTR-E1
U709 D713
R726 RB501V-40
12V_DET
390 OHM 1/10W 2 2 1
RESET
3
Vcc
1
GND
C754
100N 50V
R731
220 OHM 1/10W
Pull-up Resistors should close to
PHY chip ( <400 mil )
49.9 OHM 1% 1/16W 49.9 OHM 1% 1/16W
C206 R225 R226 R227 R228
10uF 49.9 OHM 1% 1/16W 49.9 OHM 1% 1/16W
C207 C208 C209 C210
PHY _Ref _CLK_SEL 16
10P 50V 10P 50V 10P 50V 10P 50V
Common mode caps should close to
transformer ( <400 mil )
15,25 TX0AP
15,25 TX1AP
15,25 TX2AP
15,25 TXCKAP
15,25 TX3AP
15,25 TX4AP
V_3.3
R212
15,25 TX0BP
NC
15,25 TX1BP
15,25 TX2BP
R202
4.7K 1/10W
15,25 TXCKBP
15,25 TX3BP
15,25 TX4BP
Panel_DRC
PANEL_VCC
PWM_OUT
4,15 BRT_CTRL
R207
NC 0R05 1/10W
R208
R203
0R05 1/10W
NC 0R05 1/10W
42
Transformer should
close to RJ45( <1000
mil )
and far away from
R229 PHY chip( >1000 mil)
0R05 OHM
C211
22N 50V
R239 270OHM 1/10W
ET_LED2
R245
ET_LED1
R237 270OHM 1/10W
R249
GND_RJ45 should be shorted to GND
of system shell in ESD test
CN408
2 1
TX0AN 15,25
4 3
TX1AN 15,25
6 5
TX2AN 15,25
8 7
10 9
TXCKAN 15,25
12 11
14 13
TX3AN 15,25
16 15
TX4AN 15,25
18 17
20 19
TX0BN 15,25
22 21
TX1BN 15,25
24 23
TX2BN 15,25
26 25
28 27
TXCKBN 15,25
30 29
32 31
TX3BN 15,25
34 33
TX4BN 15,25
36 35 SELLVDS
38 37
40 39
PANEL_VCC
42 41 PWM_IN
R206
0R05 1/10W R201 4.7K 1/10W
CONN
Label "LVDS" in silk screen.
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
絬 隔 瓜 絪 腹
Key Component 14. Ethernet and LVDS PCB NAME
Friday , April 15, 2011 Sheet 14
Date
CN131
1
TCT P1
LAN_TX+
2
TD+ P2
LAN_TX- 3
TD- P3
LAN_RX+
4
RD+ P4
LAN_RX- 5
RD- P5
6
RCT P6
7
NC P7
8
NC P8
9
NC P9
10
NC P10
11
NC P11
12
Y- P12
13
Y+ P13
14
G- P14
15
G+ P15
0R05 1/10W
0R05 1/10W
GND_RJ45
V_3.3
R204
NC
SELLVDS
R205
NC
PWM_OUT
PANEL_PWM_OUT 25
PWM_IN
PANEL_PWM 25
DRC_EN 16,25
V_3.3
PANEL_PWM_IN 15
Size A3
Rev B
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称爹
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