Audio Codec Vt1802P - Clevo W540EU Service Manual

Schematic Diagrams

AUDIO CODEC VT1802P

CODEC (ALC269 & VT1802P)
PD# Control
12 HDA_RST#
28 KBC_MUTE#
5VS_AUD
Sheet 27 of 42
AUDIO CODEC AZ_RST# For 1.5V
HDA Link De -pop
VT1802P
28
12
Very close to Audio Codec
C459
C456
C468
C471
3.3VS_AUD
B - 28 AUDIO CODEC VT1802P
R452 *0_06
1.5V
3/23
For 1.5V HDA Link.
R420 *28mil_short_06
3.3VS_AUD
For 3.3V HDA Link.
PULL HIGH 3.3VS_AUD FOR VT1802P
3.3VS L33 3.3VS_AUD
PULL HIGH 5VS_AUD FOR ALC269VB
HCB1005KF-121T20
AZ_RST# For 3.3V
HDA Link De -pop
C444 C434
5VS_AUD 3.3VS_AUD
D20
0.1u_16V_Y 5V_04 10u_6.3V_X5R_06
1
A
3
C R425 R426
2 A
*10K_04 10K_04
BAT54AS3
EAPD_MODE C A PD#
D18 *RB751S-40C2
Q18
G
R454 *100K_04 *2N7002W
25 SPKOUTR-_R
Q23
25 SPKOUTR+_R
G
HDA_RST# *BSS138_NL
R412 100K_04
3.3VS_AUD
Very close to
Layout Note:
Audio Codec
R442 33_04
12 HDA_SDIN0
12 HDA_SDOUT
12 HDA_BITCLK
12 HDA_SY NC
D19 FOR VOLUMN
PC BEEP
BAT54CS3
ADJUST
1
A
KBC_BEEP
C 3 BEEP BEEP_R
R467 10K_04
2 A
HDA_SPKR
R461 5.1K_04 C478 1u_6.3V_X5R_04
C477 100p_50V_NPO_04
FOR VT1802P
22p_50V_NPO_04 HDA_SDIN0 R459 *1M_04 MIC2_L
AUDG
HDA_SDOUT MIC2_R
22p_50V_NPO_04 R462 *1M_04
AUDG
HDA_SY NC MIC1-L_R
22p_50V_NPO_04 R464 *1M_04
AUDG
22p_50V_NPO_04 HDA_RST# R465 *1M_04 MIC1-R_R
AUDG
5VS
20m s
AZ_RST#
PD#
Spe a ke r wire length less than 8000mils , It don't ne e d LC Filte r.
SPKOUTR+,R-,L+,L- Trace w idth
Spe a ke r 4 ohm------> 40mils
Spe a ke r 8 ohm------> 20mils
Ple ase Le t LC Filte r toge the r and close to Code c.IF
Spe aker w ire le ngth is less tha n 8000mils It don't
ne ed the LC Filter.
PVDD1_2
R400
*15mil_short_06
DVDD_IO C431 C425
20 mil
0.1u_16V_Y 5V_04 10u_6.3V_X5R_06
C464 C463
10u_6.3V_X5R_06 0.1u_16V_Y5V_04
C437 C427
0.1u_16V_Y5V_04 10u_6.3V_X5R_06
5VS_AUD
C438
C440 C470
0.1u_16V_Y 5V_04
0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
4/2
C488 *100p_50V_NPO_04
AUDG
U27
Close to Codec
4 13 SENSE_A
R460
PD# Sense A
14
LINE2-L R466
40 LINE2-L 15
SPKOUTL+ LINE2-R
SPK-L+ LINE2-R
41
SPKOUTL- VT1802P
SPK-L-
16 MIC2_L
C472
MIC2-L
44 17 MIC2_R C473
SPK-R- MIC2-R
45
SPK-R+ 18
SENSE-B
Sense-B VT1802P
47
EAPD_MODE
SPDIFC2/EAPD
48 19 JDREF
R463
SPDIFO JDREF
20 MONO-OUT
C481
MONO-OUT
DMIC-DAT 2
3 GPIO0-DMIC-DAT 21
DMIC-CLK MIC1-L_R C474
GPIO1-DMIC-CLK MIC1-L 22
MIC1-R_R C475
MIC1-R
DIGITAL ANALOG
VT1802P
23 LINE1-L
LINE1-L
5 24 LINE1-R
SDATA-OUT LINE1-R
6 27
VREF-ALC269
BIT-CLK VREF
AZ_SDIN0_R 8 28 LDO_CAP
SDATA-IN LDO_CAP
30 MIC1-VREFO-R
MIC1-VREFO-R
10 29 MIC2-VREFO
SYNC MIC2-VREFO
HDA_RST# 11 32 HEADPHONE-L
RESET# HP-OUT-L
33 HEADPHONE-R
HP-OUT-R
PCBEEP 12
PCBEEP
35 CBN-AL269 C445
CBN
36
CBP-ALC269
CBP
34 OPVEE-ALC269
OPVEE
C455
VT1802P_A3
2.2u_6.3V_X5R_06
R457 AUDG
MIC1-VREFO-L
The rma l Pad pla ce 9 *0_04
4/2
Via hole.
VT1802P±µAUDG AUDG
ALC269 ±µ GND
·í½T»{¤£·|Åܧó«á,¥i§ïSHORT¹s¥ó
L21
FCM1005KF-121T03
SPKOUTL+ SPKOUTL+_L
C278 C280
LEFT 1000p_50V_X7R_04 180p_50V_NPO_04
J_SPKL1
1
SPKOUTL- SPKOUTL-_L
2
L19 C274
FCM1005KF-121T03 85204-02001
180p_50V_NPO_04
J_SPK1
EMI Require
2 1
La yout note :
Close to code c
La yout note:
EMI Require
GND and AUDG space is
5VS
60m ils ~ 100mils
L36 *HCB1005KF-121T20
JP1 *10mil_short_04
JP2 *10mil_short_04
VT1802P L25 ,C704¤£¤W¥ó
C461 0.1u_16V_Y5V_04
ALC269VB L25,C704 -n¤W¥ó
C479 0.1u_16V_Y5V_04
5VS
L35
*HCB1005KF-121T20
C441 C476 C482
10u_6.3V_X5R_06 10u_10V_Y 5V_08 *1u_6.3V_Y5V_04
INT_MIC_OUT
AUDG_R
ANALOG DIGITAL
AUDG
20K_1%_04
JD_SENSE 25
VT1802P
39.2K_1%_04
JD_SENSE_B 25
3.3K_04
MIC2-VREFO R453 3.3K_1%_04
10u *10mil_short_04
INT_MIC INT_MIC INT_MIC_OUT
10u_6.3V_X5R_06 R456 1K_04 R471
10u_6.3V_X5R_06 AUDG_R
C480 R472 *10mil_short_04
VT1802P
C466
5.1K_1%_04
100P
0.022u_16V_X7R_04 100p_50V_NPO_04
5.1K_1%_04
100p_50V_NPO_04
10u_6.3V_X5R_06 MIC1_L AUDG
10u_6.3V_X5R_06 MIC1_R AUDG
10u
µøLAYOUTª¬ªp, ¦p¤Ó»·¥i¼u©Ê
C469 0.1u_10V_X7R_04
ÃB¥~¤Á¤@GROUND¦A»PGND³s±µ
VT1802P 10u
C465 10u_6.3V_X5R_06
C467 *10u_6.3V_X5R_06
Close to Codec
VT1802P NC PIN
MIC1_R R449 75_1%_04
MIC1_L R445 75_1%_04
HEADPHONE-L 25
AUDG C462 C460
HEADPHONE-R 25
2.2u_6.3V_X5R_06 *0.022u_16V_X7R_04
*0.022u_16V_X7R_04
AUDG
MIC1-VREFO-L
R443 4.7K_1%_04
MIC1-VREFO-R
R446 4.7K_1%_04
Headphone Anti-Pop Circuit
3.3VS
D
R406 R434 Q21A
2 G
*220K_04 *MTDK5S6R
S
*10K_04
G
EAPD_MODE Q22
*NDS352AP AUDG
R436 R428
5
*4.7K_04 *10K_04
C442
*10u_6.3V_X5R_06
AUDG
AUDG
INT_MIC_OUT 22
AUDG_R 22
J_INTMIC1
2
1
*85205-02701
3/23
R450
*0_04
MIC1-R 25
MIC1-L 25
HEADPHONE-L
HEADPHONE-R
D
Q21B
G *MTDK5S6R
S
AUDG