Download 8575 N/B Maintenance

8575 N/B Maintenance
8.3 VGA Controller Failure LCD No Display
There is no display or picture abnormal on LCD although power-on-self-test is passed.
Q503
NDS9410
+3VS
8
7
6
5
+12VS
G
C510
0.1µ
R505
470K
Q2
DTC144TKA
C509
1000P
C3
0.1µ
C506
0.1µ
R1
P9
U504
ENABKL
DISPLAY
LCD_ID2 LCD_ID1 LCD_ID0
UNIQAC
0
0
1
HYUNDAI
0
1
0
HANNSTAR
0
1
1
CMO
1
0
0
U4
CH7019
P10
RP1
1K*4
32,34,36
24
TXCLK+
8
25
TXCLK-
10
5
TX2CLK+
6
TX2CLK-
33,30,27
TXOUT [0:2]+
20,26,25
34,31,28
TXOUT [0:2]-
22,28,27
17,14,11
TX2OUT [0:2]+
13,14,19
18,15,12
TX2OUT [0:2]-
15,16,21
7
9
31
PID1
R829
0
LCD_ID1
33
PID2
R830
0
LCD_ID2
35
RP40
10K*4
+5VA
P27
R642
10K
BLADJ
17
H8_ENABKL
48
J7 PJ2 P2
+5VS
8
ENABKL
-LID
7
49
C714
2.2µ
+5V
Signal
HI
LOW
-LID
Normal
Suspend
BLADJ
ENPBLT1
-LID
R511
1K
C522
2.2µ
J6
L514
2,3
L512
11
L513
4
L515
1
SW1
C512
0.1µ
C513
0.1µ
P2
Inverter
Micro
Controller
H8/F3437
45
DC Power Board
X 8
7
6
5
R74
100
U509
LCD
1 X
LCD_ID0
3
0
2
R828
SiS650
P22
+3VS
PID0
4
IGUI
Host/Memory
Controller
128
SiS301LV/
Chrontel
C2
1000P
LCD Connector
127
ENAVDD
P7
J3
1,2
LCDVCC
S
D
C506
0.1µ
L504
120Z/100M
F503
mircoSMDC110
3
2
1
5,6
Inverter Board
Cover Switch
146