Philips PET717 Service Manual page 30

8-5
A
TFT Board Electric Diagram
3 2 C702
1 1
0.1uF
1 3 D701
1 3
BAT54S SMD BAT54S
2
FB702
GNDV GND
D702
NC
RLZ5.1B
09-RLZ3B3-DTX
PANEL5V
R703
Notice:L4 pcb Decal From 6028 to 1210!
47uH/150mA
D704
1 W=20mil
L704
1 2
W=20mil
CE703 + MBRX140
C710
RT9284A
10uF/10V
0.1uF R707
6 1
VDD LX
110K
R710 10K
VG_VCC
5 2
VOP GND
R721 100K
10K
4 3
EN FB
R712
U702
R713
9.1K
NOTICE: 1. VREF=2.0V; 2. VAC=6.4V.
2
C715 15pF
89P_VCOM FOR DAC OUTPUT
PANEL5V R714
R715
10
-12V_VOP
W=15mil
R716
15k
VX VX R718 47k 2
VX
89P_VCOM 3
+ CE706 R725
W=15mil
5.6k NJM4558 OPA
10uF/10V
+12V_VOP
VCOM DAC OPA POWER
VGH VGL
W=15mil W=15mil
R736 R737
10 10
+12V_VOP -12V_VOP
+12V_VOP
C722 C723 C724 C725
2.2uF/16V 0.1uF 2.2uF/16V 0.1uF
3
W=15mil
L7051.8uH
W=15mil
89P_R R_IN 89P_B
C726 C727
R740
75/1% 100pF 100pF
AMP_VDD V_BIAS
R744 R745 R746
20k 470 1M
CE710
ROUT
CE713
2.2uF/16V
4
R_IN Q702 B_IN
1
MMBT3904LT1
2.2uF/16V
R753 R754 R755
7.5k 75 750K
A
B
TP701
-10V
R701
100
VGL
W=20mil
CE702
C703 C704
2.2uF/16V 0.1uF
10uF/25V
TP702
VG_VCC R705 10
VGH
+16.5V
+ CE704
C713 C714
10uF/25V
2.2uF/16V
0.1uF
FB703 NC
100k
U703A
W=15mil
U703B
6
VCOM
1
7
5
C719
22pF
NJM4558 OPA
-12V_VOP
L7061.8uH L7071.8uH
W=15mil
B_IN 89P_G
C728 C729 C730
R741 R742
75/1% 100pF 100pF 75/1% 100pF
AMP_VDD V_BIAS AMP_VDD
R747 R748 R749 R750 R751
20k 470 1M 20k 470
CE711
BOUT
CE714 CE715
2.2uF/16V
Q703 G_IN Q705
1 1
MMBT3904LT1 MMBT3904LT1
2.2uF/16V 2.2uF/16V
R756 R757 R758 R759 R760
7.5k 75 750K 7.5k 75
B
C
PANEL5VV1
W=15mil
NOTICE:
R706 R709
15K 100K
BL_EN: H for BL ON; CE701
BL_EN: L for BL OFF; 2.2uF/16V
1 Q704
MMBT3904LT1
R702
BL_EN 1K
1
R704
Q701 1uF/16V Vout
1uF/16V
C712 MMBT3904LT1
C701
NOTICE:
9V_IN_S: H for BL_AMP 185mA; R708
9V_IN_S
9V_IN_S: L for BL_AMP 125mA;
LED DRIVER
NOTICE:
1.CPH1 for 10MHZ Signal,and round about GND;
2.ROUT/GOUT/BOUT for Video RBG signal,and round about GND;
1.VCOM for 7.8KHZ VPP6.4V Signal,and round about GND;
PANEL5V VDD1
VDD1 R762 300
+ CE707 C721
R719
D705
MM1Z3V3 10uF/10V 0.1uF
NC
UND
R727
10K PANEL5V
FB707
ELN301
VDD1
+ CE705 C717
R729
VGL
VDD1 10uF/10V 0.1uF
10K
R733 R763
10K 2K R765
VGH NC
LNR -8.3V
R735 R764
NC 10K C738 C739
0.1uF 0.1uF
BJT Amplifier for RGB Video
G_IN
C731
100pF
PANEL5V
W=12mil
R739
10
C732
0.1uF
V_BIAS
PANEL5V
R752
1M W=12mil
R743
1
CE712
GOUT
+ CE709 C736
2.2uF/16V
10uF/10V 1uF/16V
R761
750K
C
8-5
D
1
R720
D703
L701
+ W=40mil
FB701 ELN301
Vout
1 2
FB705 ELN301
15uH/1A
MBRX140
RT9284B/AT1313
6 1
VDD LX
C707
10K
5 2
VOP GND 2.2uF/16V
R726
4 3
EN FB
10K
U701
5.6
R723 W=40mil
BL_ISEN
Q706
R711
SK3018
100K
3.3
G
R722
100K
NOTICE: ALL on the same layer!
XP702
1
VDD1
2
VDD1
3
DS
UND 4
U/D
STVL
5
STV
CKV 6
CLK
OEV
7
OE
CPH1 FB706 ELN301
8
DSOE
GND
9
DGND
-8.3V W=20mil PANEL5V
10
VGL
VGH 11 GND
VGH
STVL
12
AGND
13 CKV
AGND
OEV
14
VDD2
15 OEH
VDD2
BOUT STHL
16
VB
R724 10K
GOUT 17 VGL
VG
ROUT GND
18
VR
89P_R
19 W=15mil
DGND
STHL R767 NC STH2 20 GND
STH2
MOD 89P_G
21 W=15mil
SEQ/SIM
LNR 22 GND
L/R
W=15mil 89P_B
23
RESET
OEH 24 GND
W=15mil
SOE
CPH1 89P_VCOM
25
CPH1
R731 10K 26 W=20mil PANEL5V
CPH2
R732 10K GND
27
CPH3
STHL R766 0 STH1 28
STH1
VGL R768 0 VEE
29
VEE
VCOM
30
VCOM
31
GND
32
GND
HEADER 30 SMD0.5 UP
V_BIAS
V_BIAS
PANEL5VV1
C733 C734 C735 BL_EN
9V_IN_S
22pF 22pF 22pF SPL2 W=20mil
SPL1 W=20mil
SPR1 W=20mil
SPR2
W=20mil
AMP_VDD
C737
0.1uF Notice1: "W=15mil" for PCBlayout line' width;
D
E
1
XP701
1
VO
2
FB
3
G1
4
G2
XP
2
CON20/0.8
1
2
3
4
5
6
7
8
9
-10V 10
11
12
13
14
15
16
17
18
19
20
XP703
3
W=20mil
XP704
1
2
3
4
5
6
7
8
CON8/0.8
4
E