Akai LCT2765TD Service Manual page 17

A
VSYNC
4
VSYNC 3
HSYNC
HSYNC 3
R
R 3
G
G 3
B
B 3
CLK1+
CLK1+ 3
CLK1-
CLK1- 3
CLK2+
CLK2+ 3
CLK2-
CLK2- 3
ORO1
ORO1 3
AP[0..7] AP[0..7] 3
AN[0..7] AN[0..7] 3
+12V
+12V 1
3
ORO3
PWM0
Dimming
BL_ON/OFF
2
1
A
B
+12V
VCC
Optinal for 12V pannel.Added by bin_wang 16/7/05
FB1 FB2
75R 75R/NC
0805 0805
Add LVDS VCC control by Zheng_guo 15/9/05.
Q9
F1
1
S1
2
G1
3
S2
CE1
4A/32v + 4
G2
330uF/25v
1206
IR7314
C330UF25V/D8H14
+12V
R209 R210
22k 22k
ORO1 High :LVDSVDD POWER OFF
ORO1 LOW :LVDSVDD POWER ON
R211
ORO1 Q10
1
2N3904
2k
ORO3 3
PWM0 3
Dimming 6
BL_ON/OFF 6
ORO3 High :PANEL BACKLIGHT POWER OFF
ORO3 LOW :PANEL BACKLIGHT POWER ON
VCC
R4 0
R5
10k
R6
R7 100k
PWM0 Q1 C3
1
2N3904 0.1uF
SOT23
4.7k
Back Light circuit
R9
ORO3
4.7k
B
C
AN0
AP0
AN1
AP1
AN2
AP2
CLK1-
CLK1+
AN3
AP3
AN4
AP4
AN5
AP5
AN6
AP6
CLK2-
CLK2+
AN7
AP7
8 LVDSVDD
D1
7
D1
6
D2
5
D2
SOP8 CE2 CE3
+ +
220uF/16v
220uF/16v C1 C2
0.1uF 0.1uF
FOR CHI-MEI INVERTER
CONNECTOR
Dimming
VCC
R8
10k
BL_ON/OFF
Q2
1
2N3904
SOT23
C
D
J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
R R
19
20
R1
21
22
75 1%
23
GND
24
25
G G
26
27
28 R2
29
75 1%
30
GND
FI-SE30P-HF B
LVDS/30P/P1.25/S B
R3
75 1%
GND
RGB OUTPUT FOR DEBUGGING
Title
MiCO LCD TV - MediaTek MT8203 Solution
Size Doc Number
C
Date: Wednesday, September 28, 2005
D
E
4
CRT OUT
HSYNC
VSYNC
VS HS
3
2
1
MiCO Confidential
Rev
LVDS/CRT/BACKLIGHT CONTROL
V0.1
Sheet 1 of 10
E