64
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PA
NE
L_
V
O
U
T
PA
NE
L_
V
O
U
T
PA
NE
L_
V
O
U
T
SEL
-L
VD
S
TXA3
+
TXA2
+
TXA1-
TXA0
+
TXB3
+
TXB2-
TXB1-
TXB0- TXB0
+
TXB1
+
TXB2
+
TXBCLK-
TXB3-
TXA0-
TXA1
+
TXA2-
TXACLK-
TXA3-
PA
NE
L
_V
O
U
T
P
A
NE
L_
VOUT
PA
N
5
V
TXA
3+
5
5
TXA
2+
5
TXA1-
5
TXA
0+
5
TXB
3+
5
5
TXB2-
5
TXB1-
5
TXB0-
5
TXB
0+
5
TXB
1+
5
TXB
2+
5
TXBCLK-
5
TXB3-
5
TXA0-
5
TXA
1+
5
TXA2-
5
TXACLK-
5
TXA3-
5
PA
N
5V
8
PA
NEL
_
V
C
TL
6
Ti
tle
S
iz
e
D
o
cu
m
ent
N
um
b
er
R
e
v
Da
te
:
S
h
e
et
of
40
1A
C
Q
0A
S
chem
at
ic
, C
T
R
L
/B
V
L
9
2
2,
L
A
A
6
9
8
78
F
ri
d
ay
, A
pr
il
2
2
, 200
5
C
O
M
P
A
L
EL
EC
T
R
ON
IC
S,
I
N
C
."
LC
D
PANEL INTERFACE (LVDS)
Vds
-24V
Vgs = -2.
5V
/-4.5V/-10V
Id
= -2
A/
-4
A/-
7A
(APM
4461)
EMITTER
COLLECTOR
BASE
DTC124EK SOT-23B
L
CD P
ANEL POWER CONTROL (Main)
0
805
PC
B
N
a
me
-Rev
:
VL922-0A
*
T
h
e
mark "#" to indicate that Part disuse.
R8
8 fo
r
cu
rrent
PC
B
VL
-922 rev.
0
R89,R
90,Q
8, f
o
r
nest vers
ion VL
-922
rev.0
A
R7
0
0#
1
2
R8
9
10K
1
2
R6
6
200
R
1
206
D
1
2
R
68
33K
1
2
Q6
2S
C
2
4
11
K
+
C5
0
100
0uF
/10V
R6
9
10K#
1
2
R6
5
10K
1
2
L8
JKM
T
_B201212K800TM
L08
05
D
1
2
R8
5
10K#
1
2
R8
8
0#
1
2
C6
6
10
uF
Q8
2S
C
2
41
1K
C5
3
0.
01uF
1
2
R8
6
10K#
1
2
CN5
P-
T
W
O
_A
F
N
3
0
0
-N
2G
1Z
RXO0
-
1
RXO0
+
2
RXO1
-
3
RXO1
+
4
RXO2
-
5
RXO2
+
6
GND
7
RXOC-
8
RXOC+
9
RXO3
-
10
RXO3
+
11
RXE0
-
12
RXE0
+
13
GND
14
RXE1
-
15
RXE1
+
16
GND
17
RXE2
-
18
RXE2
+
19
RXEC-
20
RXEC+
21
RXE3
-
22
RXE3
+
23
GND
24
NC
25
PD
26
NC
27
VDD
28
VDD
29
VDD
30
R8
2
0#
1
2
+
C5
2
100
uF/
16
V
U7
A
P
M
4461
KC
_S
O
8_
P
-c
hannel
S1
1
S2
2
S3
3
G
4
D1
5
D2
6
D3
7
D4
8
C5
1
0.
1u
F
1
2
R
9
0
10K
1
2
R8
3
0#
1
2
Summary of Contents for AL1916
Page 22: ... 22 BLOCK DIAGRAM System Block Diagram 1 ...
Page 23: ... 23 2 ...
Page 24: ... 24 3 ...
Page 27: ... 27 Software flow chart ...
Page 50: ...50 Chapter 4 Troubleshooting Main Procedure ...
Page 51: ...51 Power Circuit and Backlights Troubleshooting ...
Page 52: ...52 Performance Troubleshooting ...
Page 53: ...53 Function Troubleshooting ...
Page 56: ...56 ...