Audio Codec Vt1802P - Clevo W25CEV Service Manual

AUDIO CODEC VT1802P

AUDIO CODEC (2W)
For 3.3V HDA Link.
ALC269 VB
R393 *20mil_04
3.3VS
VT1802P
R404 *0_04
3.3V
C489
*0.1u_16V_Y5V_04
R390 0_04
3.3VS
C481
0.1u_16V_Y 5V_04
3.3VS_AUD
EAPD_MODE C A
ALC269 5VS
D16 *RB751S-40C2 R266
VT1802P 3.3VS_AUD
D15
10K_04
HDA_RST# 1
A
[14] HDA_RST#
C 3 Z3003 S D
2
A *2SK3018S3
[29] KBC_MUTE#
Q25
BAT54AS3
R445 0_04
[32] SPKOUTR-
D
[32] SPKOUTR+
Q14A
R265 *100K_04 Z3001 2 G *MTDK5S6R
5VS
S
[33] SPDIFO
D
HDA_RST# 5 G Q14B
S *MTDK5S6R
AZ_RST# For 1.5V HDA
Link De-pop
[14] HDA_SDOUT
C334
Q53 --¥Î MTDK5S6R
[14] HDA_BITCLK
R251
[14] HDA_SDIN0
[14] HDA_SYNC
Very close to
Audio Codec
Layout Note:
D17
BAT54CS3
1 A
[29] KBC_BEEP
3
C BEEP R254 47K_04
2
A
[14] HDA_SPKR
FOR VOLUMN
ADJUST
D03
3.3VS_AUD
6m s
SPEAK ER D ISAB LE
*180p_50V_NPO_04
5VS
20m s
AZ_RST#
PD#
6m s
SPEAK ER D ISAB LE
Spea ker w ire le ngth less than 8000mils , It don't need LC Filter.
SPKOUTR+,R-,L+,L- Tra ce width
Spea ker 4 ohm------> 40mils
Spea ker 8 ohm------> 20mils
DVDD_IO PVDD1_2
D03
C337 C335 C504 C495
10u_10V_Y 5V_08 0.1u_16V_Y5V_04
10u_10V_Y5V_08 0.1u_16V_Y 5V_04
3.3VS_AUD
C492 C484
*10u_10V_Y5V_08 0.1u_16V_Y5V_04
C479 C482
10u_10V_Y 5V_08 0.1u_16V_Y 5V_04
5VS C501 C508
0.1u_16V_Y5V_04 *10u_10V_Y 5V_08
R267
*10K_04 U24
PD# 4 13 SENSE_A
PD# Sense A
40mil
14
LINE2-L
LINE2-L
SPKOUTL+ 40 15 LINE2-R
SPK-L+ LINE2-R
SPKOUTL- 41
SPK-L-
16 MIC2_L
44 MIC2-L 17
SPKOUTR- MIC2_R
SPK-R- MIC2-R
SPKOUTR+ 45
SPK-R+
18 SENSE-B
Sense-B
EAPD_MODE 47
48 SPDIFC2/EAPD 19
SPDIFO JDREF
SPDIFO JDREF
20 MONO-OUT
MONO-OUT
DMIC-DAT 2
GPIO0
DMIC-CLK 3 21 MIC1-L_R
GPIO1 MIC1-L 22
MIC1-R_R
MIC1-R
DIGITAL ANALOG
23 LINE1-L
LINE1-L
5 24 LINE1-R
SDATA-OUT LINE1-R
22p_50V_NPO_04
6 27
VREF-ALC269
BIT-CLK VREF
AZ_SDIN0_R 8 28 LDO_CAP
33_04
SDATA-IN LDO_CAP
30 MIC1-VREFO-R
10 MIC1-VREFO-R 29
MIC2-VREFO
SYNC MIC2-VREFO
HDA_RST# 11 32 HEADPHONE-L
RESET# HP-OUT-L
33 HEADPHONE-R
12 HP-OUT-R
BEEP_R
PCBEEP
35
CBN-AL269
CBN
36 CBP-ALC269
CBP 34
OPVEE-ALC269
OPVEE
C332
1u_6.3V_X5R_04 VT1802P_A3_CHINA
BEEP_C QFN48_7M
6-03-01802-032
2nd: 6-03-01802-031
MIC1-VREFO-L
R268 C336
4.7K_04 100p_50V_NPO_04 AUDG
R271 0_04 AUDG
Z3002 VT1802P±µAUDG
R270 *0_04
ALC269±µGND
Close to Codec
40mil
SPKOUTL+
SPKOUTL-
SPKOUTR-
SPKOUTR+
C556 C557 C558 C559
Headphone Anti-Pop Circuit
3.3VS_AUD
VT1802P Pull up 100K
ALC269 Pull up 220K
Z3005 B
R272 R446 *1K_04 Q26
100K_04 *BTN3904
Q27
EAPD_MODE B
*2N3906 AUDG
Z3007 R447 *4.7K_04 Z3004 R448 Z3006
*1K_04
C531
*10u_6.3V_X5R_06
AUDG
[3,9,10,11,12,13,14,15,16,17,18,19,20,21,25,26,27,28,29,31,32,33,34,39]
5VS
R418 *28mil_06 La yout note:
GND a nd AUDG space is
60mils ~ 100mils
Very close to Audio Codec
ALC269 ¤W¥ó
VT1802P ¤£¤W¥ó
5VS_AUD
5VS
L32
*HCB1005KF-121T20
C496 C500 C511
0.1u_16V_Y5V_04 22u_6.3V_X5R_08 *1u_6.3V_X5R_04
ANALOG DIGITAL
AUDG AUDG
R391 20K_1%_04
MIC_SENSE [32,33]
R392 39.2K_1%_04
HP_SENSE [32,33]
C533 100p_50V_NPO_04
VT1802P
AUDG
¤W ¥ó100p_50V_N PO_04
ALC269 20K_1%_04
VT1802P 5.1K_1%_04
R405 5.1K_1%_04 VT1802P
C490 100p_50V_NPO_04 ¤W¥ó100p_50V_N PO_04
C493 10u_6.3V_X5R_06 MIC1_L AUDG
C494 10u_6.3V_X5R_06 MIC1_R
ALC269 4.7u
VT1802P 10u
C502 0.1u_16V_Y5V_04
C510 10u_6.3V_X5R_06
ALC269 2.2u; VT1802P 10u
C505 *10u_6.3V_X5R_06
R419 & R420
ALC269 10u
HEADPHONE-L [32,33]
VT1802P NC AL269
HEADPHONE-R [32,33]
AUDG
VT1802P
C507 2.2u_6.3V_X5R_06
Close to Codec
MIC1_L
R426
C506
MIC1_R
R425
2.2u_6.3V_X5R_06 MIC1-VREFO-R R419
MIC1-VREFO-L
R420
AUDG
SPKOUTL+ L31 *FCM1608K-121T06_short SPKOUTL+_L
C483
*1u_6.3V_X5R_04
SPKOUTL- SPKOUTL-_L
L30 *FCM1608K-121T06_short
Close to Codec
ALC269 4.7u ALC269 4.7K_04
VT1802P 10u VT1802P 3.3K_1%_04
MIC2-VREFO R104
MIC2_L
C169 10u_6.3V_X5R_06
HEADPHONE-R MIC2_R INT_MIC_R
C170 10u_6.3V_X5R_06 R103
HEADPHONE-L
C159
100p_50V_NPO_04
*0.022u_16V_X7R_04
ALC269
VT1802P 100P
AUDG
Close to J_INTMIC1
B
Q28
*BTN3904
AUDG
[2,3,6,11,27,28,31,33,34,37,38] 3.3V
[12,13,14,21,27,32,34,39] 5VS
3.3VS
Schematic Diagrams
R422 *28mil_06
C514 0.1u_16V_Y5V_04
C503 0.1u_16V_Y5V_04
AUDG
EMI Require
Sheet 30 of 47
AUDIO CODEC
VT1802P
2.2K_04
3.3K_1%_04
6-13-33011-28B
1K_04
MIC1-L [32,33]
1K_04
MIC1-R [32,33]
3.3K_1%_04
3.3K_1%_04
J_SPKL1
40mil
1
2
C491
85204-02001
*180p_50V_NPO_04 85204-02R
6-20-43150-102
C480
*180p_50V_NPO_04
D03
3.3K_1%_04
J_INTMIC1
INT_MIC
1K_04
1
2
C158
88266-02001
88266-2L
6-20-63120-102
680P
AUDG
AUDIO CODEC VT1802P B - 31