User Guide

8081
8081
N/B Maintenance
N/B Maintenance
107
1,2
S
D
2
3
1
6
7
8
5
G
Q1
SI4800DY
DVMAIN
+3V
Q501
DTC144TKA
R507
470K
C8
0.1µ
LCDVCC
F1
mircoSMDC110
C5
10µ
C7
0.1µ
C4
1000P
L11
120Z/100M
C3
1000P
C1
0.1µ
PCIRST#
4,5
6
JL9
+3V
147
PCIRST#1
U11B
74AHC08_V
LCD
C502
0.1µ
C501
0.1µ
L504
L501
L503
L502
+5V
Inverter
Board
J2
Inverter
8.3 VGA Controller Failure LCD No Display
There is no display or picture abnormal on LCD although power-on-self-test is passed.
J3
P15
VDD5S
1,3
9
7
5
10~12
ENABLE_BKLT
BLADJ
TXOUT[0:2]+
TXOUT]0:2]-
TXCLKOUT[0]+
TXCLKOUT[0]-
LCD Connector
U502
Memory
Controller
Hub
Montara-GM
P5
U9
I/O Controller
ICH4-M
P10
+3V
R504
10K
120Z/100M
120Z/100M
120Z/100M
120Z/100M
P22
+5V
R189
10K
+3V
Q21
DTC144TKA
ENBL H8_ENBL
FPVCC
D501
BAW56
2 1
3
U520
H8/F3437
Q23
BAW56
12
45
PCIRST#1
RP501
210K*4
+3V
LCD_ID[0:2]
P21
2
1
3
ENBL_5V
+3V
Q22
DTC144TKA
+5V
R193
10K
F503
TR/3216FF-3A
SW6
LID#
24
VDD5
R779
10K