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Schematic Diagrams
AUDIO CODEC VT1802S
CODEC (VT1802S)
PD# Control
20,36
36
KBC_MUTE#
Sheet 35 of 46
AUDIO CODEC
VT1802S
20
HDA_SYNC
20
HDA_SDOUT
20
HDA_BITCLK
B - 36 AUDIO CODEC VT1802S
3.3VS_AUD
3.3VS
3.3VS_AUD
L50
HCB1005KF-121T20
AZ_RST# For 3.3V
3.3VS_AUD
HDA Link De-pop
C485
D13 *RB751S-40C2
0.1u_16V_Y 5V_04
C
A
EAPD_MODE
R299
D12 RB751S-40C2
10K_04
C
A
HDA_RST#
D14 RB751S-40C2
C
A
3.3VS_AUD
R298
3.3V
100K_04
Layout Note:
Layout Note:
Close to PCH
R319
Very close to
Audio Codec
RN18
*10K_04
22_8P4R_04
R300
20
HDA_SDIN0
5
4
HDA_RST#
6
3
HDA_RST#R
7
2
8
1
D
S
C641
22p_50V_NPO_04
Q10
R301
1M_04
MTN7002ZHS3
FOR VOLUMN ADJUST
5VS
D15
R309
47K_04
PC BEEP
BAT54CS3
1
A
R310
4.7K_04
36
BEEP
3
C
BEEP_L
2
A
C487
100p_50V_NPO_04
20
HDA_SPKR
Please Le t LC Filter
3.3VS_AUD
togethe r and close to
Codec.IF Spe ake r
5VS
w ire length is le ss
tha n 8000mils It don't
20m s
nee d the LC Filter.
AZ_RST#
PD#
Spea ker w ire length less than 8000mils , It don't nee d LC Filte r.
SPKOUTR+,R-,L+,L- Tra ce w idth
Spea ker 4 ohm------> 40mils
Spea ker 8 ohm------> 20mils
PVDD1_2
R291
*15mil_short_06
C476
C475
0.1u_16V_Y5V_04
10u_6.3V_X5R_06
C683
C681
10u_6.3V_X5R_06
0.1u_16V_Y 5V_04
C679
C680
*0.1u_16V_Y 5V_04
*10u_6.3V_X5R_06
C684
C682
C672
C668
10u_6.3V_X5R_06
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04
10u_6.3V_X5R_06
U18
4
13
SENSE_A
R290
PD#
Sense A
R289
14
C478
LINE2-L
SPKOUTL+
40
15
41
SPK-L+
LINE2-R
SPKOUTL-
VT1802S
SPK-L-
16
MIC2_L
C472
MIC2-L
SPKOUTR-
44
17
MIC2_R
C466
45
SPK-R-
MIC2-R
SPKOUTR+
SPK-R+
18
Sense-B
EAPD_MODE
47
48
SPDIFC2/EAPD
19
JDREF
SPDIFO
JDREF
20
MONO-OUT
2
GPIO0-DMIC-DAT
3
21
MIC1-L_R
C457
GPIO1-DMIC-CLK
MIC1-L
22
MIC1-R_R
C442
MIC1-R
33_04
DIGITAL
ANALOG
23
5
LINE1-L
24
AZ_SDOUT_R
SDATA-OUT
LINE1-R
AZ_BITCLK_R
6
27
VREF-ALC269
BIT-CLK
VREF
8
28
AZ_SDIN0_R
LDO_CAP
SDATA-IN
LDO_CAP
30
MIC1-VREFO-R
MIC1-VREFO-R
AZ_SYNC_R
10
29
MIC2-VREFO
SY NC
MIC2-VREFO
HDA_RST#R
11
32
RESET#
HP-OUT-L
33
12
HP-OUT-R
BEEP_R
PCBEEP
PCBEEP
35
CBN-AL269
C445
CBN
C483 1u_6.3V_X5R_04
36
CBP-ALC269
CBP
34
C482
OPVEE-ALC269
OPVEE
100p_50V_NPO_04
VT1802S
MIC1-VREFO-L
AUDG
AUDG
R558
0_04
AUDG
R557
*0_04
Therma l Pad place 9
VT1802P ±µAUDG
ALC269 ±µGND
Via hole .
J_SPK1
2
SPKOUTL+
L46
FCM1608K-121T06
SPKOUTL+_L
C462
C465
180p_50V_NPO_04
*1u_6.3V_X5R_04
SPKOUTL-
L47
FCM1608K-121T06
SPKOUTL-_L
C468
180p_50V_NPO_04
EMI Require
0_06
SPKOUTR+
L48
SPKOUTR+_R
SPKOUTR+_R 33
SPKOUTR-_R 33
C469
C464
*180p_50V_NPO_04
*1u_6.3V_X5R_04
0_06
SPKOUTR-
L49
SPKOUTR-_R
C470
*180p_50V_NPO_04
La yout note:
Close to codec
3,6,9,10,11,12,19,20,21,22,23,24,26,27,28,29,30,31,32,33,34,36,37,41
Layout note :
GND a nd AUDG spa ce is
5VS
60mils ~ 100mils
VT1802S
L52,C689 ¤£¤W¥ó
ALC269
L52,C689 -n¤W¥ó
5VS_AUD
5VS
L41
*HCB1005KF-121T20
C458
C456
C438
0.1u_16V_Y5V_04
*10u_6.3V_X5R_06
*1u_6.3V_Y5V_04
ANALOG
DIGITAL
EMI Require
AUDG
20K_1%_04
L44
MIC_SENSE 33
39.2K_1%_04
HP_SENSE 33
*100p_50V_NPO_04
10u
JP3
*10mil_short
INT_MIC
10u_6.3V_X5R_06
AUDG
10u_6.3V_X5R_06
JP2
*10mil_short
NEAR CODEC
C437
0.1u_16V_Y5V_04
VT1802S
5.1K_1%_04
R288
5.1K_1%_04
C460
*100p_50V_NPO_04
C481
0.1u_16V_Y5V_04
10u_6.3V_X5R_06
MIC1_L
AUDG
10u_6.3V_X5R_06
MIC1_R
VT1802S
10u
C447
0.1u_16V_Y5V_04
C441
10u_6.3V_X5R_06
VT1802S
10u
C440
*10u_6.3V_X5R_06
MIC2-VREFO
VT1802S
NC PIN
AUDG
VT1802S
R540
HEADPHONE-L 33
HEADPHONE-R 33
3.3K_04
3.3K_1%_04
2.2u_6.3V_X5R_04
INT_MIC
R539
1K_04
INT_MIC_OUT
VT1802S
C665
100P
C446
100p_50V_NPO_04
2.2u_6.3V_X5R_04
VT1802S
75_1%_05
MIC1_R
R268
75_04
MIC1_L
R275
75_04
MIC1-VREFO-L
R276
3.3K_1%_04
MIC1-VREFO-R
R277
3.3K_1%_04
1
VT1802S
3.3K_1%_04
J_SPKL1
NC2
1
NC1
2
85204-02001
12,19,20,30,33,34,35,37,41,42
5VS
12,19,20,30,33,34,35,37,41,42
5VS
2,3,12,17,20,24,25,27,28,29,31,33,37,38,40,42
3.3V
3.3VS
HCB1005KF-121T20
AUDG
AUDG
INT_MIC_OUT 30
MIC1-R 33
MIC1-L 33
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