Audio Codec Vt1802P - Clevo W251ESQ Service Manual

Schematic Diagrams

AUDIO CODEC VT1802P

CODEC (ALC269 & VT1802P)
PD# Control
18 HDA_RST#
34 KBC_MUTE#
5VS_AUD
Sheet 33 of 50
AUDIO CODEC
AZ_RST# For 1.5V
HDA Link De-pop
VT1802P
34
18
Very close to Audio Codec
C761
C762
C763
C764
B - 34 AUDIO CODEC VT1802P
R401 *0_06
1.5V
For 1.5V HDA Link.
20 mil
R378 0_06
3.3VS_AUD
For 3.3V HDA Link.
PULL HIGH 3.3VS_AUD FOR VT1802P
3.3VS L19 3.3VS_AUD
PULL HIGH 5VS_AUD FOR ALC269VB
HCB1005KF-121T20
AZ_RST# For 3.3V
for VT1802P C100818
HDA Link De-pop
C481 C482
5VS_AUD 3.3VS_AUD
D13
0.1u_16V_Y5V_04 10u_6.3V_X5R_06
1
A
3
C R347 R626
2
A
*10K_04 10K_04
BAT54AS3
EAPD_MODE C A PD#
D12 *RB751S-40C2
Q22
G
R356 *100K_04 *2N7002W
31 SPKOUTR-_R
Q23
31 SPKOUTR+_R
G
HDA_RST# *BSS138_NL
C100825
R653 100K_04
3.3VS_AUD
Very close to
Layout Note:
Audio Codec
R380 33_04
18 HDA_SDIN0
18 HDA_SDOUT
18 HDA_BITCLK
18 HDA_SYNC
D15
PC BEEP FOR VOLUMN
BAT54CS3
ADJUST
1
A
KBC_BEEP
3
BEEP R429 10K_04 BEEP_R
C
2
A
HDA_SPKR
R430 5.1K_04
C556 100p_50V_NPO_04
VIA «Øij C100902
FOR VT1802P
HDA_SDIN0 MIC2_L
22p_50V_NPO_04 R627 *1M_04
AUDG
22p_50V_NPO_04 HDA_SDOUT R630 *1M_04 MIC2_R
AUDG
22p_50V_NPO_04 HDA_SY NC R631 *1M_04 MIC1-L_R
AUDG
HDA_RST# MIC1-R_R
22p_50V_NPO_04 R632 *1M_04
AUDG
3.3VS_AUD
5VS
20m s
AZ_RST#
PD#
Spe ake r w ire length less than 8000mils , It don't ne ed LC Filte r.
SPKOUTR+,R-,L+,L- Tra ce w idth
Spe ake r 4 ohm ------> 40mils
Spe ake r 8 ohm ------> 20mils
Please Le t LC Filte r togethe r and close to Codec.IF
Speaker w ire le ngth is le ss than 8000m ils It don't
nee d the LC Filter.
PVDD1_2
R338
*15mil_short_06
DVDD_IO C486 C483
0.1u_16V_Y 5V_04 10u_6.3V_X5R_06
C526 C527
10u_6.3V_X5R_06 0.1u_16V_Y5V_04
C485 C484
0.1u_16V_Y 5V_04 10u_6.3V_X5R_06
VIA «Øij C100902
C500
C501 C538
0.1u_16V_Y 5V_04
0.1u_16V_Y5V_04 0.1u_16V_Y5V_04
U23
Close to Codec
4 13 SENSE_A
R422
PD# Sense A
14
LINE2-L R423
LINE2-L
40 15
SPKOUTL+ LINE2-R
SPK-L+ LINE2-R
SPKOUTL- 41
VT1802P
SPK-L-
16 MIC2_L C548
MIC2-L
44 17 MIC2_R C549
45 SPK-R- MIC2-R
SPK-R+
18
SENSE-B
Sense-B
EAPD_MODE 47 VT1802P
SPDIFC2/EAPD
48 19 JDREF
SPDIFO JDREF
20 MONO-OUT
2 MONO-OUT
DMIC-DAT
GPIO0-DMIC-DAT
3 21
DMIC-CLK MIC1-L_R C551
GPIO1-DMIC-CLK MIC1-L
22 MIC1-R_R
C552
MIC1-R
DIGITAL ANALOG
VT1802P
23 LINE1-L
5 LINE1-L 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
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
PCBEEP
PCBEEP 35
CBN-AL269 C508
CBN
C547 1u_6.3V_X5R_04
36 CBP-ALC269
CBP
34 OPVEE-ALC269
OPVEE
C509
VT1802P
2.2u_6.3V_X5R_06
for VT1802P C100818
R628 R629 AUDG
MIC1-VREFO-L
The rm al Pad pla ce 9 *0_04 0_04
Via hole.
AUDG
VT1802P±µAUDG
ALC269 ±µ GND
·í½T»{¤£·|Åܧó«á,¥i§ïSHORT¹s¥ó
L18
FCM1005KF-121T03
SPKOUTL+ SPKOUTL+_L
C459 C467
LEFT 1000p_50V_X7R_04 180p_50V_NPO_04
J_SPKL1
1
SPKOUTL- SPKOUTL-_L
2
L17 C466
FCM1005KF-121T03 85204-02001
180p_50V_NPO_04
EM I Require J_SPK1
2
Layout note:
Close to codec
Layout note:
EMI Require
GND and AUDG space is
5VS
60mils ~ 100mils
L27 *HCB1005KF-121T20
JP1 *10mil_short_04
JP2 *10mil_short_04
VT1802P L25 ,C704¤£¤W¥ó
C530 0.1u_16V_Y5V_04
for VT1802P C100818
ALC269VB L25,C704 -n¤W¥ó
C557 0.1u_16V_Y5V_04
5VS_AUD 5VS
L25
*HCB1005KF-121T20
C540 C553 C704
10u_6.3V_X5R_06 10u_10V_Y 5V_08 *1u_6.3V_Y5V_04 PIN 1,2 change C100930
ANALOG DIGITAL
for BOM C100826
AUDG
VT1802P
20K_1%_04
JD_SENSE 31
MIC2-VREFO R214 3.3K_04 3.3K_1%_04
39.2K_1%_04
JD_SENSE_B 31
INT_MIC R218 1K_04
10u
10u_6.3V_X5R_06 INT_MIC
VT1802P
10u_6.3V_X5R_06 C316
C766 100P 100p_50V_NPO_04
for BOM C100826
5.1K_1%_04
0.022u_16V_X7R_04
R424 5.1K_1%_04
C550 100p_50V_NPO_04
for VT1802P C100818
10u_6.3V_X5R_06 MIC1_L AUDG
MIC1_R
10u_6.3V_X5R_06 µøLAYOUTª¬ªp, ¦p¤Ó»·¥i¼u©Ê
10u ÃB¥~¤Á¤@GROUND¦A»PGND³s±µ
C528 0.1u_10V_X7R_04
for BOM C100826
VT1802P 10u
C539 10u_6.3V_X5R_06
C529 *10u_6.3V_X5R_06
Close to Codec
VT1802P NC PIN
MIC1_R R431 1K_04
MIC1_L
R432 1K_04
HEADPHONE-L 31
AUDG C767 C768
HEADPHONE-R 31
2.2u_6.3V_Y5V_06 0.022u_16V_X7R_04
0.022u_16V_X7R_04
AUDG
MIC1-VREFO-L R434 3.3K_1%_04
MIC1-VREFO-R R433 3.3K_1%_04
VT1802P 3.3K_1%_04
for BOM C100826
Headphone Anti-Pop Circuit
3.3VS
D
R346 R348
2
G
*220K_04
S
*10K_04
EAPD_MODE G Q21
*NDS352AP AUDG
R337 R349
*4.7K_04 *10K_04
C468
*10u_6.3V_X5R_06
AUDG
1
AUDG
2 1
J_INTMIC1
1
2
88266-02001
88266-2L
AUDG R652
*0_04
C100825
MIC1-R 31
MIC1-L 31
HEADPHONE-L
HEADPHONE-R
Q24A
*MTDK5S6R
D
Q24B
5
G *MTDK5S6R
S
AUDG