Philips PET714 Service Manual page 27

ESQUEMA ELÉTRICO - PAINEL TFT DRIVER
5
7.0 ELECTRICAL DIAGRAM
7.3 TFT DRIVER PCBA ASSY
D
+5VIN
+5VIN
VDD33
VDD33
AVDD33
AVDD33
VDD18
C
VDD18
VGH
VGH
VGL
VGL
J802
SDA
1
SCL
2
RESET_T118
3
GND
4
T118_S_Y
5
GND
6
T118_S_C
7
CON7-1.25
B
Input Signal
L809 2.7UH R814 0
S_Y
R816
C823 C824 560
330pF 330pF
L811 2.7UH R824 0
S_C
R825
C833 C827 150
330pF 330pF
A
5
4
AVDD33 VDD33 VDD18
AVDD33
C816 C815 C814 C813 C812 C811
0.1uF 0.1uF 0.1uF 0.1uF
0.1uF 0.1uF
T118_S_Y
1
AY1
2
AY0
T118_S_C
3
ACR1
4
ACR0
5
ACB1
6
ACB0
PWM
16
PWM1
PWM1
17
PWM2
SDA R815 33R
10
SDA/IICA3
SCL
11
SCL
R817 33R
13
XTALI
14
XTALO
15
XCLK2MC
9
RSTB
X801
12
CPUINT
27MHZ R821 1K
R826 1M
C829
C828
18PF
18PF
VEA
VDD33
CSS
VFB
CEXT
VPWM
R830 D804
22K
1N4148
RESET_T118
C819
NC
C822 0.68uF +5VIN C836
T118_S_Y
0.1uF
U802
YD3414A
C825 0.68uF
T118_S_C
VCOMOUT
R1
R839
13K
R863
EC808 10uF/16V R842
20K
VCOM_T118 VCOMIN 3K
R843
20K
VCOM Circuit
4
3
L806 +5VIN
10uH
EC810
C817
+
10uF/16V 0.1uF
VDD33 VDD18
RN801 33R*4
18 5 4 L/R
RL
U/D
19 6 3
UD
STH1
20 7 2
HSO/POL/VCOM
STH2
23 8 1
VSO/STH1
24
DEN/STH2
RN802 33R*4
CPH1
25 5 4
CPH1
28 6 3 CPH2
CPH2/sD0
CPH3
29 7 2
CPH3/sD1
OEH
31 8 1
LP/OEH/sD3
R813
30
Q1H/sD2
RN803 33R*4
U803
CKV
32 5 4
GCLK/sD4
OEV
33 6 3
GOE/sD5
34 7 2 STV1
T118B
STV1/sD6
STV2
35 8 1
STV2/sD7
IOB
40
IOB
IOG
41
IOG
IOR
42
IOR
R818 1K5
43
RSET
R819 1K
44
VBFG
R820 0 VCOM_T118
45
VCOMAMP
R41 1K VCOM
46
VCOMDC
CEXT1
CSSI
VCKN
VCKP
VPWMN
VPWMP
VFBI
VEAI
BIAS
+5VIN
R823 10K C821
2.2uF/0603
IOR
R834
3K3 R827
EC809 10K
+
10uF/16V R835
430R
EC807
VCOM
10uF/16V
R838
91K
0 VGL
R864
10K
3
2 1
+5VIN +5VIN
L807 L808
FB FB
C841 C842
Q1H
NC EC811 + 0.1uF 0.1uF + EC812
10uF/16V
10uF/16V
JP801
26
AVSS
25
AVDD
VB
24
VC
VDD33 VG
23
VB
VR 22
VA
21
DVSS
DVCC
20
DVDD
CPH1 19
CPH1
R812 CPH2
18
CPH2
0 CPH3
17
CPH3
STH1
16
STHR
STH2 15
STHL
OEH
14
OEH
Q1H MOD
13
Q1H
L/R 12
LR
VCOM
11
VCOM
VCOM
10
VCOM
OEV
09
OEV
U/D 08
U/D
CKV
07
CKV
VGH STV2
06
STVL
VGL STV1 05
STVR
04
VGH
03
VGL
DVCC
02
VCC
01
GND
C831 C832
0.1uF 0.1uF
CON26
CPT 7'Interface
BIAS BIAS BIAS
C837 C838
R831 0.1uF R832 0.1uF R833
10K C820 10K C818 10K
2.2uF/0603 2.2uF/0603
VR IOG VG IOB
R836 R837
430R 430R
R.G.B Circuit
Title
PET714 DRIVER SCHEMATIC
Size Document Number
C <Doc>
Date: Tuesday, March 20, 2007
2 1
PET714 27
D
C
B
C839
0.1uF
VB
A
Rev
1.0
Sheet 2 of 3