Norcent LT3225 Service Manual page 41

32'' LCD TV
R1B7 47K R1B6 47K
YPbPr1_Audio_R
R1A1 47K R1A5 47K
YPbPr1_Audio_L
R1A8 47K R1B0 47K
YPbPr2_Audio_R
R1A0 47K R1A3 47K
YPbPr2_Audio_L
R1B2 47K R1A6 47K
PC_Audio_R
R1B8 47K R199 47K
PC_Audio_L
R1A7 47K R1A2 47K
AV1_Audio_R
R1B5 47K R1B3 47K
AV1_Audio_L
R1A4 47K R1B1 47K
AV2_Audio_R
R1A9 47K R1B4 47K
AV2_Audio_L
Placement near
U103,U104
VCC9A_F VCC9A_F
R105
4.7K 1/16W
2SC2412K
R143 2SC2412K Q102
AUD_SEL_C
4 AUD_SEL_C
4.7K 1/16W Q104
VCC9A_F VCC9A_F
C160
0.1uF
U104
AUD_SEL_C1 9
C
AUD_SEL_B1 10
B
AUD_SEL_A1 11
A
YPbPr2_Audio_R 12
7 YPbPr2_Audio_R
3
AV1_Audio_R 13
7 AV1_Audio_R
0
AV2_Audio_R 14
7 AV2_Audio_R
1
YPbPr1_Audio_R 15
7 YPbPr1_Audio_R
2
16
VCC
TC74HC4051AF
VCC9A_F
C174
0.1uF
U103
AUD_SEL_C1 9
C
AUD_SEL_B1 10
B
AUD_SEL_A1 11
A
YPbPr2_Audio_L 12
7 YPbPr2_Audio_L
3
AV1_Audio_L 13
7 AV1_Audio_L
0
AV2_Audio_L 14
7 AV2_Audio_L
1
YPbPr1_Audio_L 15
7 YPbPr1_Audio_L 2
16
VCC
TC74HC4051AF
VCC9A_F VCC9A_F
R101
4.7K 1/16W R141
4.7K
AUD_SEL_C1
R142
4.7K 1/16W
2SC2412K
R138 2SC2412K Q100
AUD_SEL_B
4 AUD_SEL_B
4.7K 1/16W Q105
VCC9A FB126 600 OHM
2
+ C173
C1A0
47uF/16V
0.1uF
8
GND
7
VEE
6
INH
5
5
R104
4 C102 1uF
7
3 39K 1/16W
COM
2
6
1 PC_Audio_R R108
4 PC_Audio_R 7
C104 1uF 39K 1/16W
C103
120pF
8
GND
7
VEE
6
INH
5
5
4
7
3
COM
2
6
1 PC_Audio_L
4 PC_Audio_L 7
VCC9A_F VCC9A_F
R119
1/16W 4.7K
AUD_SEL_B1 R140
4.7K 1/16W
2SC2412K
Q101
R139 2SC2412K
AUD_SEL_A
4 AUD_SEL_A
4.7K 1/16W Q103
41
VCC9A_F
1
10K 1/16W
U101
10K 1/16W
12 1
AINR M0
10 16
AINL M1
VAVcc 13 4 AUX_DATA
VA SDOUT
2 MCLK
MCLK
VDVcc 6 7 SCLK
VD SCLK
8 LRCLK
LRCK
C105 3 9 RESETN
D5V
VL RST
120pF
11 15
VQ FILT
C106 C107 5 14
GND RGND
C108
0.1uF 1uF CS5340-CZZ 0.1uF
Supply Bypass, Audio ADC
FB127 600 OHM
D5V
2 1 VAVcc
FB125 600 OHM
2 1 VDVcc
+ C192
10uF/16V
1/16W C112 C113 C114 C115
0.1uF 0.1uF 0.1uF 0.1uF
AUD_SEL_A1
AUD_SEL_A AUD_SEL_B AUD_SEL_C
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 715T1961-
Date: Wednesday, May 17, 2006
Norcent LT3225
D5V
R106
R107 VCC3_3
AUX_DATA 14
ACLK 14
BCLK 2,14
LRCLK 2,14
RESETN 4,6,15
C109
1uF
0
0
0
0
1
Rev
D
Sheet 8 of 19