Philips PET742 Service Manual page 19

TFT BOARD LED&RGB CIRCUIT DIAGRAM
5V
SSD03
600R
AL6 AL7 AD2 1N4148/SMD
1 2
L-0805
22uH
AC33 AC34
SMTCD54
AU3A
47uF/10V 0.1uF
7/5 C0402 6 1
VIN SW
2 5
GND OV
FB
4 3
EN FB
AR34
SS6610 4.7K
SS6610 R0402
BL_EN1
AR35
1.1R
AR37 AR38
3.3V 3.3V
1 2 1 2
0 0
R0402 R0402
AR39
AR41 AR42
330K
AR43
10K 10K
R0402 R0402 R0402
1 2
NC
2 AQ7 R0402
BL_IO1 BL_IO2
3906
SOT23
AR45
0
R0402
FB
75K
AR6
5V R0402
89KP_VCOM1
AC12
+
AR12
10uF/16V
13K C0805
R0402
5V
AJ2
1
+
2
-
2PIN 4MM SMD
SMD2X4
AR36
1.1R
AR40
AR44
150K
R0402
1 2
NC
2 AQ8 R0402
3906
SOT23
AR46
0
R0402
AC3 NC
C0402
AR4 91K
R0402
-6V_VOP
89P VCOM DAC OUTPUT
AR7 56K AU1A
2
R0402 VCOM
1
AR9 0
3
R0402 CSC3414A DMP8 HWCAT
SOP8
AR11 10R
R0603
VCOM DAC OP POWER
AC15 AC16
10UF/0805 0.1uF
C0805 C0402
AMP_VDD
V_BIAS
AMP_VDD
AR17
AR16 AR18
20K 470
R0402 R0402 1uF/0805 1M
C0805 R0402
AC27
Vdc ROUT
AC30 1uF/0805 3
C0805 AQ4 AC31 1uF/0805
TFT_R1 2N3904 C0805
2 TFT_G1
SOT23
1
AR25 AR26 AR27
7K5 75/1% 1M
R0402 R0402 R0402
AJ4
1 VGL
VGL
AJ5
VGH
2
VGH
GND
3 1
GND GNDA
DV33
4 2
3.3V R
AL8 600R
5 3
+5V
5V B
L-0805 C0402
AC35
6 AC36 4
GND G
10uF/10V 0.1UF
BL_EN1
7
BL_EN
BL_IO1
8
BL_IO1
9 BL_IO2
BL_IO2
IR
10
IR
5V
5V
AR1
AR2
10K
R0402
10K
R0402
LNR UND
AR3
10K
R0402
AL4 FB600R V_BIAS AL5 FB600R
5V
5V L-0805 L-0805
AC19 AC21
+
0.1uF AC22
+
10uF/0805 C0402
C0805
10uF/0805
C0805
V_BIAS AMP_VDD
AR20 AR22
AR19 AR21
20k 470 AR24
R0402 R0402 AC28 1uF/0805 1M 470 AC29 1uF/0805
C0805 R0402 20k R0402 C0805
GOUT R0402
Vdc
3 AC32 1uF/0805 3
C0805
AQ5 TFT_B1 AQ6
2 2
2N3904 2N3904
1 SOT23 1
AR28 AR29 AR30 AR31 AR32
75/1% SOT23
7K5 R0402 1M 7K5 75/1%
R0402 R0402 R0402 R0402
BJT Amplifier for T-CON I/F
AJ3
STVL1
1
STVL
2
GNDA
CKV1
3
CKV
OEV1
4
OEV
5
GNDB
6 OEH1
OEH
7 STHL1
STHL
8
GNDC
TFT_R1
CPH11
9
CPH1
TFT_G1
10
GNDD
TFT_B1
89KP_VCOM1
11
VCOM
CON11/SMT/A
3.3V AL1 AL2
5V
600R 600R
L-0805 L-0805
LG&PHILIPS LT070W02
AC2 AC1
+
0.1uF 10uF/0805
C0402 C0805
7" PANEL
AJ1
01 1 GND
GND
02 2 VCC
VCC
VGL
03 3 VGL
VGL
VGH
04 4 VGH
VGH
05 5 STVR
STVR
STVL1
06 6 STVL
STVL
CKV1 07
7 CLK
CKV
UND 08
8 U/D
U/D
OEV1 09 9 GOE
OEV
VCOM VCOM VCOM VCOM 10 10 VCOM
VCOM
11 11 VCOM
VCOM
LNR
12 12 L/R
LR
MOD
13 13 MOD
MOD
OEH1 14
14 SOE
OEH
STHL1 15
15 STHL
STHL
16 STHR
STHR 16
CPH3
17 17 CPH3
CPH3
CPH2
18 18 CPH2
CPH2
CPH11
19 19 CPH1
CPH1
20 20 VCC
VCC
21 21 GND
GND
ROUT 22
22 VR
VR
GOUT 23
23 VG
VG
BOUT 24 24 VB
VB
25 25 AVDD
AVDD
26 26 AVSS
AVSS
26PIN0.5MMA
CON0.5-26/L
Bottom Socket
AMP_VDD
AC23
0.1uF
C0402
V_BIAS
AR23
1M
R0402
BOUT
Vdc
AR33
1M
R0402