134
8575
8575
A N/B Maintenance
A N/B Maintenance
S
D
2
3
1
6
7
8
5
G
Q503
NDS9410
F503
mircoSMDC110
L504
120Z/100M
C506
0.1µ
R1
+12VS
LCD
C513
0.1µ
C512
0.1µ
L514
L512
L513
L515
+5V
Inverter Board
J6
J7 PJ2
DC Power Board
LCDVCC
+3VS
In
v
ert
er
Q2
DTC144TKA
C506
0.1µ
C510
0.1µ
C509
1000P
C3
0.1µ
C2
1000P
R505
470K
8.3 VGA Controller Failure LCD No Display
There is no display or picture abnormal on LCD although power-on-self-test is passed.
U4
IGUI
Host/Memory
Controller
SiS650
P
7
ENAVDD
127
TXCLK+
TXCLK-
TX2CLK-
TXOUT [0:2]+
TXOUT [0:2]-
TX2OUT [0:2]+
TX2OUT [0:2]-
24
25
5
6
33,30,27
34,31,28
17,14,11
18,15,12
U504
SiS301LV/
Chrontel
CH7019
R828
0
R829 0
R830 0
PID0
PID1
PID2
LCD_ID0
LCD_ID1
LCD_ID2
RP1
1K*4
+3VS
1,2
J3
L
C
D
Co
nne
cto
r
8
10
7
9
22,28,27
20,26,25
15,16,21
13,14,19
32,34,36
P
10
+5VS
2,3
11
4
1
5,6
P
2
BLADJ
ENPBLT1
8
7
U509
Micro
Controller
H8/F3437
BLADJ
H8_ENABKL
45
17
ENABKL
ENABKL
128
R74
100
4
3
2
1
5
6
7
8
X
X
RP40
10K*4
P
22
P
9
P
27
P
2
SW1
R511
1K
-LID
49
-LID
48
C522
2.2µ
+5VA
C714
2.2µ
R642
10K
Cover Switch
Signal
-LID
HI
Normal
LOW
Suspend
DISPLAY
UNIQAC
HYUNDAI
HANNSTAR
CMO
LCD_ID0
1
0
1
0
LCD_ID2
0
0
0
1
LCD_ID1
0
1
1
0
31
33
35