第 16 课:笔记本主板接口电路检修 2
DESCRIPTION
第 16 课:笔记本主板接口电路检修 2. 主要内容: PCMCIA 、内存、 USB 、 LAN 电路检修 教学目的: 使每个学员掌握各接口电路故障的检修. ENE. P 16. P 16. EECS. P 16. P 16. EESK. EEDI. +3V. EEDO. 14. JL10. PCIRST#. LAN_PCIRST#. 114. 4,5. 6. U11B 74AHC08_V. 7. P 18. P 10. 1. 1. 2. 2. 4. 4. 3. 3. 8.11 LAN Test Error. - PowerPoint PPT PresentationTRANSCRIPT
第 16课:笔记本主板接口电路检修 2
主要内容: PCMCIA 、内存、 USB 、 LAN 电路检修
教学目的:使每个学员掌握各接口电路故障的检修
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8.11 LAN Test ErrorAn error occurs when a LAN device is installed.
INT_PIRQE#
PCI_REQ1#
PCI_DEVSEL#
AD[0:31]
PCI_FRAME#, PCI_IRDY#, PCI_TRDY#, PCI_STOP#
+3V
RP318.2K*4
PCI_GNT1#, PCI_PAR, CBE#[0:3]
R1508.2K
R667 0AD18
94
95 324
1
C66322P
C66222P
X50225MHZ
LANX1
LANX2
LAN_WAKE 112
+3V_P
C6680.1µ
PCIRST# 4,5 6JL10
+3V
147
LAN_PCIRST#
U11B74AHC08_V
114
U513
LF-H80P
RXIN+
RXIN- 2
P16
PJRX+
PJTX+
PJRX-
PJTX-
16
15
10
9
14
11
R8175
R8475
R8375
R8275
C1381000P
PJ7
PJ4
7,8
4,5
3
6
1
2
P16
J506
104
105
1
RJ45 L
AN
Connector
L529120Z/100M
+LAN_D2.5V +2.5V_DDR
U517
LAN
Controller
VT6105-LOM
P16
R62049.9
8
7TXD+
TXD-
108
109
CS
SK
DI
DO
50
58
57
54
1
2
3
4
VCC
GND
8
5
C7231µ
+3V_PU519
NM93C46
115
L528120Z/100M
+LAN_A2.5V
PCICLK_LAN
From U512 Clock Generator
U9
I/O
Controller
Hub
82801DBMICH4-M
P10
EECS
EESK
EEDI
EEDO
P16
43
2 1
43
2 1
+LAN_A2.5V
R63249.9
R62449.9
R61749.9 L524
PLP3216S
L525PLP3216S
+2.5V_DDR +LAN_D2.5V+2.5V_DDR +LAN_A2.5V
U521
PCMCIAController
R5C551
CARD_RI#
P18Q508
DTC144WK
Q506DTC144WK
WOL
+LAN_D2.5V
R7002.2
43VCCRAM
C7210.1µ
L21120Z/100M
R6230
3,6
L522120Z/100M
IDSEL
R1288.2K
RP328.2K
4
113
118
19
PCI_PME#
R16610K
VDD3
F5
F4
F7
F6