Norcent LT3290 Service Manual page 38

32'' LCD TV
VCC9A_F
R1B7 47K 1/10W R1B6 47K 1/10W
Y PbPr1_Audio_R
R1A1 47K 1/10W R1A5 47K 1/10W
Y PbPr1_Audio_L
R1A8 47K 1/10W R1B0 47K 1/10W
Y PbPr2_Audio_R
R1A0 47K 1/10W R1A3 47K 1/10W
Y PbPr2_Audio_L
R1B2 47K 1/10W R1A6 47K 1/10W
PC_Audio_R
R1B8 47K 1/10W R199 47K 1/10W
PC_Audio_L
R1A7 47K 1/10W R1A2 47K 1/10W
AV1_Audio_R
R1B5 47K 1/10W R1B3 47K 1/10W
AV1_Audio_L
R1A4 47K 1/10W R1B1 47K 1/10W
AV2_Audio_R
R1A9 47K 1/10W R1B4 47K 1/10W
AV2_Audio_L
Placement near
U103,U104
VCC9A_F VCC9A_F
R101
4.7K
R105 AUD_SEL_C1
4.7K 1/10W
Q102
2SC2412KR
R143
AUD_SEL_C Q104
4 AUD_SEL_C
2SC2412KR
4.7K 1/10W
VCC9A_F
C160
0.1uF
U104
AUD_SEL_C1 9
C GND
AUD_SEL_B1 10
B VEE
AUD_SEL_A1 11
A INH
Y PbPr2_Audio_R 12
7 Y PbPr2_Audio_R
3 5
AV1_Audio_R 13
7 AV1_Audio_R
0 7
AV2_Audio_R 14
7 AV2_Audio_R
1 COM
Y PbPr1_Audio_R 15
7 Y PbPr1_Audio_R
2 6
16
VCC 4
TC74HC4051AF
VCC9A_F
C174
0.1uF
U103
AUD_SEL_C1 9
C GND
AUD_SEL_B1 10
B VEE
AUD_SEL_A1 11
A INH
Y PbPr2_Audio_L 12
7 Y PbPr2_Audio_L
3 5
AV1_Audio_L 13
7 AV1_Audio_L
0 7
AV2_Audio_L 14
7 AV2_Audio_L
1 COM
Y PbPr1_Audio_L 15
7 Y PbPr1_Audio_L
2 6
16
VCC 4
TC74HC4051AF
VCC9A_F VCC9A_F
1/10W R141
4.7K
R142
4.7K 1/10W
Q100
2SC2412KR
R138
AUD_SEL_B Q105
4 AUD_SEL_B
2SC2412KR
4.7K 1/10W
VCC9A_F FB126 600OHM
2
+ C173
C1A0
47uF/16V
0.1uF
8
7
6
5 C102
R104
4 1uF
3 39K 1/10W
2
1 PC_Audio_R R108
PC_Audio_R 7
C104 39K 1/10W
1uF
C103
120pF
8
7
6
5
4
3
2
1 PC_Audio_L
PC_Audio_L 7
VCC9A_F VCC9A_F
1/10W
AUD_SEL_B1 R140
4.7K 1/10W
R139
AUD_SEL_A Q103
4 AUD_SEL_A
2SC2412KR
4.7K 1/10W
38
VCC9A
1
10K 1/10W
U101
10K 1/10W
12 1
AINR M0
10 16
AINL M1
VAVcc 13 4
VA SDOUT
2
MCLK
VDVcc 6 7
VD SCLK
8
LRCK
C105 3 9
D5V
VL RST
120pF
11 15
VQ FILT
C106 5 14
GND RGND
C107 C108
1uF
0.1uF 0.1uF
CS5340-CZZ
Supply Bypass, Audio ADC
FB127 600OHM
D5V
2 1 VAVcc
FB125 600OHM
2 1 VDVcc
+ C192
10uF/16V
R119
4.7K 1/10W C112 C113 C114 C115
0.1uF 0.1uF 0.1uF 0.1uF
AUD_SEL_A1
Q101
2SC2412KR
AUD_SEL_A AUD_SEL_B
AV1_Audio_R/L 0 0
AV2_Audio_R/L 1 0
YPbPr1_AUDIO_R/L 0 1
YPbPr2_AUDIO_R/L 1 1
PC_AUDIO_R/L 0 0
Title
Page 08 - Audio Switch
Size Document Number
A3
Date: Thursday , January 18, 2007
Norcent LT3290
D5V
R106
R107 VCC3_3
AUX_DATA
AUX_DATA 14
MCLK
ACLK 14
SCLK
BCLK 2,14
LRCLK
LRCLK 2,14
RESETN
RESETN 4,6,15
C109
1uF
AUD_SEL_C
0
0
0
0
1
Rev
T1961-F-X-X-1-070118
F
Sheet 8 of 19