Philips 190VW8FB/93 Service Manual page 27

27
190VW8 LCD
1 2
CN5 CN5
070430
CONN 3x2-R CONN 3x2-R
+5V
1 2
GND_A GND_A
3 4
A 5 6
+ +
R107 R107
GND_A GND_A
L19,C68 CLOSE CN5
B
GND_A
+5V
D29 D29 D30 D30
3
2 1 2 1
ML25PT ML25PT ML25PT ML25PT
2 1 + +
C51 C51
100uF/16V 100uF/16V
C
NT68665
0/6 0/6 R71 R71
D31 D31
L13 L13
2 1
+5V
CX201209813/8 CX201209813/8
D
SSM12L/NC SSM12L/NC
R76 R76
D28 D28 0/NC/6 0/NC/6
VGA-5V
VGA-DVI-5V
DVI-5V
BAT54C-GS08 BAT54C-GS08
E
F
G
1 2
Schematic Diagram(Scaler Board - Power)
3 4 5
VGA_3V3
VGA_3V3
R104 R104
R106 R106
1K/6/NC 1K/6/NC
1K/6 1K/6
Q5 Q5
2
BL-ON
MMST3906 MMST3906
10K/6 10K/6
GND_A
BL-BRIGHT 4
+1V8 CVDD1V8
U7 U7
3 2 L18 L18
VIN VOUT
CX201209813/8 CX201209813/8
1 4
ADJ/GND VOUT
+ +
AIC1117/SOT223 AIC1117/SOT223 C52 C52
R115 R115 100uF/16V 100uF/16V
150/6 1% 150/6 1%
GND_A GND_A
VGA_3V3
U5 U5
L14 L14
3 2
VIN VOUT
CX201209813/8 CX201209813/8
1 4
ADJ/GND VOUT
R105 R105
2.05K/6 1% 2.05K/6 1%
+ + + +
AIC1084/TO252 AIC1084/TO252
L15 L15
R108 R108 CX201209813/8 CX201209813/8
3.24K/6 1% 3.24K/6 1%
GND_A GND_A
070801
3 4 5
6 7 8
VGA-DVI-5V
D38 D38 Q7 Q7
4
R69 R69 20/6 20/6 L17 L17
2 1 1 3
4.6v 3.9v
CX201209813/8 CX201209813/8
3.7v 3.3v
1SS355 1SS355
VGA_3V3
R70 R70 0/6/NC 0/6/NC
D39 D39
3.0v
33v
070503
BAT54C-GS08 BAT54C-GS08
GND_A
NO. PARTS NT68665
1 D31 NC
0R
2 R71
3 R76 NA
4
5
DVDD
ADC_VAA
6 7 8
9 10 11
MCU-VDD
NT68670
ADD
NA
0 R
9 10 11
27
190VW8 LCD
12
S-A5
S-A3
A
C44 D3
C45 D5
C46 B5
C47 B3
C51 C2
C52 C4
C64 D5
C65 B5
B
C68 A1
C81 A1
CN5 A2
D28 D1
D29 B2
D30 B2
D31 D2
D38 A7
C
D39 B8
L13 D2
L14 D6
L15 D6
L17 A8
L18 B5
Q5 A4
Q7 A7
D
R67 B7
R68 B7
R69 A8
R70 B8
R71 D2
R76 D2
R103 A4
E
R104 A5
R105 D4
R106 A4
R107 B3
R108 D4
R114 C4
R115 C3
U5 D4
F
U7 B3
G
12