Philips PET744 Service Manual page 21

5
7.0 ELECTRICAL DIAGRAM
CIRCUIT DIAGRAM-TFT DRIVER
D
FB600R/0402
J3
LD6
B2
1
LD1 B3
2
B4
3 LD4
4 LD2 B5
C
B6
5 LD5
B7
6
LD3
7 GND
LD7 R7
8
R6
9 LD8
LD9 R5
10
R4
11 LD10
R3
12
LD11
R2
13
LD12
CON 13P*1.25
J2
GND
1 FB600R/0402
2 R2
LD13
R3
3
LD14
R4
4
LD15
R5
5
LD16
R6
6
LD17
R7
7
LD18
GND
8
POL
9
LD19
10 CLKV
LD20
11 ST
LD25
CON 11P*1.25
B
+3.3V_TFT
+3.3V_TFT 3
VGL
VGL 2
VGH
VGH 2
AVDD
AVDD 2
PCK1
PCK1 3
A
5
4
R1 1K 1%
AVDD
R2 NC
AVDD=+11V VG1
10V
CHIMEI 7" Gamma setting
GNDD
VG2
8.7V
GNDD
VG3
8.1V
GNDD
VG4
7.68V
GNDD
GNDD
VG5
6.8V
CON 10P*1.25
GNDD
VG6
4.2V
GNDD
VG7
3.32V
GNDD
VG8
2.9V
4
3
VG8
2.9V
GNDD
VG9
2.3V R2 P_R2
R3 P_R3
R4 P_R4
R5 P_R5
R6 P_R6
R7 P_R7
GNDD
VG10 G2 P_G2
G3 P_G3
1V G4 P_G4
G5 P_G5
G6 P_G6
G7 P_G7
B2 P_B2
B3 P_B3
GNDD
B4 P_B4
B5 P_B5
B6 P_B6
B7 P_B7
VPNLD
LD22
FB600R
+3.3VTFT
+
EC2
0.1uF
10uF/10V/0805
GNDD
+5V_TFT
C9
0.1uF
R63
R62
GNDD AVDD
4K7 10K
NC
3
R61
Q8
VR2
2.7K
2
2
3904
TMC3K-50K
1
C16
R28
GNDD
0.1uF
10K
GNDD
GNDD
3
2
PVAA
VPNLD
P_R2
P_R3
P_R4
P_R5
P_R6
P_R7
P_G2
P_G3
P_G4
P_G5
P_G6
VPNLD
P_G7
R0 P_B2
P_B3
NC P_B4
P_B5
P_B6
P_B7
R1 PCK1
LP
0 POL
CLKV
GNDD
ST
VPNLD
PVAA
VCOM_D
C13
VG10
VG9
VG8
VG7
C1
VG6
10uF/10V
VG5
VG4
VG3
GNDD VG2
VG1
VGH
VPNLD
VGL
C2
10uF/10V
GNDD GNDD
For AUO 7" DIGITAL
800x480 panel
Standard 7" panel:
VGH=+18V/VGL=-7V
3.6V
VCOM_D
EC3
10U/10V/0805
2
1
D
J4
1
AGND2
2
AVDD2
3
VDD
4
R0
5
R1
6
R2
7
R3
8
R4
9
R5
10
R6
11
R7
12
G0
13
G1
14
G2
15
G3
16
G4
17
G5
18
G6
19
G7
20
B0
21
B1
22
B2
23
B3
24
B4
25
B5
26
B6
27
B7
28
DCLK
29
DE
C
30
HSYNC
31
VSYNC
32
MODE3
33
RSTB
34
STBYB
35
SHLR
36
VDD
37
UPDN
38
GND
39
AGND1
40
AVDD1
41
VCOMin
42
DITH
43
NC
44
VCOM
45
V10
46
V9
47
V8
48
V7
49
V6
50
V5
51
V4
52
V3
53
V2
54
V1
55
NC
56
VGH
57
GVCC
58
VGL
59
GGND
60
CAP
61
GND
62
GND
AU070VW04
B
A
1