Norcent LT3290 Service Manual page 41

32'' LCD TV
6 RXD_IN
FB130,FB131 must near CN102
VGA_SDA
RGB_HSY NC FB130 1
RGB_VSY NC FB131 1
VGA_SCL
C1E4 C1E5
330pF 47pF
YPbPr1
Y PbPr1
(STB)
+5VSB
ZD130
BAV99
Pb1_IN 1
FB124
+5VSB 120 OHM
ZD132
BAV99
Pr1_IN 1
FB119
120 OHM
GREEN BLUE RED
CN106
JACK
YPbPr2
+5VSB
ZD128
BAV99
Pb2_IN 1
YPbPr2 +5VSB
(STB)
ZD131
BAV99
Pr2_IN 1
+5VSB
R1H7 NC/0 1/16W
ZD122
BAV99
VGA5V
CN102 ZD123 ZD124
DB15 BAV99 BAV99
11 1
6
12 2
7
2 120 OHM 13 3
8
2 120 OHM 14 4
9
15 5
10
R1H8
NC/0 1/16W
6 TXD_OUT
RGB_HSY NC
1 2 YPbPr1_Y
FB122 RGB_VSY NC
120 OHM
C1D7 R1E2
NC/100pF 75Ω 1/10W
AV SW For HD Signal
YPbPr1_Pb
2
C1D8 R1E3
NC/100pF 75Ω 1/10W
Y PbPr1_Pr
2
R186
C164 R1E5 R188
NC/100pF 75Ω 1/10W
R191
R195
R189
R193
R1F6
R1F2
R1F4
Y PbPr2_Y
1 2
FB121
120 OHM
C1E0 R1E4
NC/100pF 75Ω 1/10W
C179
2 Y PbPr2_Pb
FB120 U107_R
120 OHM
C1D9 R1E0 100uF/16V
NC/100pF 75Ω 1/10W
2 YPbPr2_Pr
FB123
120 OHM
C165 R1E1
NC/100pF 75Ω 1/10W
C1E3
0.1uF
RED
R1H9 VGA_R
0 1/10W
VGA_G GRN
R1J0
0 1/10W
VGA_B BLU
R1J1
0 1/10W
VCC3V3_A1 VCC3_3
2 1
FB129
600OHM
RGB_HSY NC 12,15
+
C1A4 C176
RGB_VSY NC 12,15
47uF/16V 0.1uF
Y PbPr1_Y
VCC3V3_A1
Y PbPr2_Y
22K 1/10W U107_A1 R187 22K 1/10W VGA_G
22K 1/10W U107_A2 R190 22K 1/10W
22K 1/10W U107_A3 R185 22K 1/10W Y PbPr1_Pb
22K 1/10W U107_B1 R196 22K 1/10W Y PbPr2_Pb
22K 1/10W U107_B2 R194 22K 1/10W VGA_B
22K 1/10W U107_B3 R192 22K 1/10W
22K 1/10W U107_C1 R1F1 22K 1/10W Y PbPr1_Pr
22K 1/10W U107_C2 R1F3 22K 1/10W Y PbPr2_Pr
22K 1/10W U107_C3 R1F5 22K 1/10W
VCC3V3_A1 VCC3V3_A1
VCC3V3_A1
C177 C178
Q107
2SC2412KR U107_G Q108 U107_B Q109
2SC2412KR 2SC2412KR
RED_Pr BLUE_Pb
100uF/16V 100uF/16V
GREEN_Y
41
Norcent LT3290
ZD100
BAT54C
+5VSB
2
3 R198
VGA5V 1.5K 1/10W
1
U106
VGA_SCL 1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
C170
24LC02BT/SN
0.1uF
VGA_SDA
VCC3V3_A1
U107
C1B0 U107_A1 1 20
1B1 VCC
47uF/6.3V
C1A8 U107_A2 2 19
1B2 S1 Y PbPr_SEL 3
47uF/6.3V
C1A7 U107_A3 3 18 RGB_Y PBPR_SEL
RGB_Y PBPR_SEL 4
1B3 S2
47uF/6.3V R1H4
4 17 100 1/10W U107_G
GND A1 GREEN_Y 12
R127 NC/ 0 1/16W
C1A6 U107_B1 5 16
2B1 GND
47uF/6.3V
R1H5
C1A5 U107_B2 6 15 100 1/10W U107_B
2B2 2A BLUE_Pb 12
47uF/6.3V
R172 NC/ 0 1/16W
C1A9 U107_B3 7 14
2B3 GND
47uF/6.3V R1H6
8 13 100 1/10W U107_R
GND 3A RED_Pr 12
R123 NC/ 0 1/16W
C127 U107_C1 9 12
3B1 GND
47uF/6.3V
C129 U107_C2 10 11 U107_C3 C125 VGA_R
3B2 3B3
47uF/6.3V 47uF/6.3V
FSAV433MTCX_NL
YPbPr_SEL RGB_YPBPR_SEL
YPbPr1 0 1
YPbPr2 1 0
VGA 1 1
Title
Page 11 - YPbPr/RGB Input
Size Document Number
T1961-F-X-X-1-070118
A3
Date: Thursday , January 18, 2007 Sheet 11 of
Rev
F
19