Audio Codec Vt1802P - Clevo W251BLQ Service Manual

Audio Codec VT1802P

AUDIO CODEC
ALC269 VB2
VT1802P
For 1.5V HDA Link.
R460 *0_04
1.5VS
For 3.3V HDA Link.
R461 *10mil_short
3.3VS_AUD
3.3VS
PD# Control L110
HCB1005KF-121T20
1 2
3.3VS_AUD
C688 5VS
AZ_RST# For 3.3V
HDA Link De-pop
0.1u_16V_Y 5V_04
R479
3.3VS_AUD
10K_04
D33 Q13
BAT54AWGH *MTN7002ZHS3
HDA_RST# 1
A
3 S D
C
2 A
20 KBC_MUTE#
R480 0_04 C718
Q15
G
R466 *100K_04
5VS
*MTN7002ZHS3 C717
Q12
G
HDA_RST# *BSS138_NL C719
AZ_RST# For 1.5V
HDA Link De -pop
C720
D02
NEAR AUDIO CODEC
8 HDA_SDOUT
R140 100K_04 C702
3.3VS_AUD
EAPD
22 EAPD 8 HDA_BITCLK
R471
8 HDA_SDIN0
8 HDA_SY NC
8 HDA_RST#
PC BEEP
D28
BAT54CWGH
1
A
20 KBC_BEEP
3 BEEP
C R477 47K_04
2
A
8 HDA_SPKR
FOR VOLUMN
ADJUST
3.3VS_AUD
5VS
20m s
AZ_RST#
PD#
Spe aker w ire length le ss tha n 8000mils , It don't nee d LC Filte r.
SPKOUTR+,R-,L+,L- Tra ce w idth
Spe aker 4 ohm------> 40mils
Spe aker 8 ohm------> 20mils
C680 C681
10u_10V_Y5V_08 0.1u_16V_Y 5V_04
DVDD_IO
C682 C683 C684 C685
10u_10V_Y 5V_08 0.1u_16V_Y 5V_04 *10u_10V_Y 5V_08 *0.1u_16V_Y 5V_04
3.3VS_AUD
C689 C690 C691 C692
10u_10V_Y 5V_08 0.1u_16V_Y5V_04 0.1u_16V_Y 5V_04 10u_10V_Y 5V_08
R462
*10K_04
U32
PD# 4 13 SENSE_A
PD# Sense A
*180p_50V_NPO_04 14 LINE2_L
40 LINE2-L 15
SPKOUTL+ LINE2_R
SPK-L+ LINE2-R
SPKOUTL- 41
SPK-L-
16 MIC2_L
*180p_50V_NPO_04
MIC2-L
SPKOUTR- 44 17 MIC2_R
SPK-R- MIC2-R
SPKOUTR+ 45
SPK-R+ 18
*180p_50V_NPO_04 SENSE_B
47 Sense-B
EAPD
SPDIFC2/EAPD
48 19
SPDIFO JDREF
SPDIFO JDREF
20 MONO_OUT
*180p_50V_NPO_04
MONO-OUT
CODEC_GPIO0 2
GPIO0-DMIC-DAT
CODEC_GPIO1 3 21 MIC1_L_C
GPIO1-DMIC-CLK MIC1-L 22
MIC1_R_C
MIC1-R
DIGITAL ANALOG
23 LINE1_L
LINE1-L
5 24 LINE1_R
22p_50V_NPO_04
SDATA-OUT LINE1-R
6 27 CODEC_VREF
BIT-CLK VREF
8 28
22_04 AZ_SDIN0_R LDO_CAP
SDATA-IN LDO_CAP
30 MIC1-VREFO-R
MIC1-VREFO-R
10 29 MIC2-VREFO
SY NC MIC2-VREFO
11 32
HDA_RST# HEADPHONE-L
RESET# HP-OUT-L 33
HEADPHONE-R
HP-OUT-R
BEEP_R 12
PCBEEP
35 CODEC_CBN
CBN
C706 36 CODEC_CBP
CBP 34
OPVEE
1u_6.3V_X5R_04
BEEP_C
VT1802P
R478 C709
MAIN SOURCE:6-03-01802-032
2'ND SOURCE:6-03-01802-031
4.7K_04 100p_50V_NPO_04
AUDG
MIC1-VREFO-L
AUDG
The rma l Pa d place 9
Via hole.
SPKOUTL+ L112 *15mil_short_06 SPKOUTL+_L
C710 C711
*1u_10V_Y 5V_06 *180p_50V_NPO_04
SPKOUTL- SPKOUTL-_L
L113 *15mil_short_06
C712 J_SPKL1
J_SPK1 D02
*180p_50V_NPO_04
2 1
85204-02001
EMI Require
PCB Footprint = 85204-02R
5VS
Layout note:
GND and AUDG spa ce is
60mils ~ 100mils
VT1802P
L111,C695¤£¤W¥ó
ANALOG DIGITAL
5VS_AUD
5VS
L111
*HCB1005KF-121T20
1 2
C693 C694 C695
0.1u_16V_Y5V_04 10u_10V_Y 5V_08 *1u_6.3V_X5R_04
AUDG AUDG
C716 100p_50V_NPO_04
AUDG
MIC2-VREFO
MIC_SENSE
R463 20K_1%_04
MIC_SENSE 22
R464 39.2K_1%_04 HP_SENSE
VT1802P
HP_SENSE 22
VT1802P 10u
3.3K_04
D02
C696 10u_6.3V_X5R_06
INT_MIC
C697 10u_6.3V_X5R_06 R467 1K_04
VT1802P
VT1802P 5.1K_1%_04
C92
100P
R468 5.1K_1%_04
C699 100p_50V_NPO_04 AUDG *0.022u_16V_X7R_04
C700 10u_6.3V_X5R_06
C701 10u_6.3V_X5R_06
C703 0.1u_16V_Y 5V_04
C704 10u_6.3V_X5R_06
VT1802P 10u
MIC1-L
C705 *10u_10V_Y 5V_08 R472 1K_04
VT1802P NC PIN
MIC1-R
R474 1K_04
HEADPHONE-L 22
AUDG MIC1-VREFO-R R475 3.3K_1%_04
HEADPHONE-R 22
MIC1-VREFO-L
R476 3.3K_1%_04
VT1802P 3.3K_1%_04
C785 C786
C707 C708 *22n_16V_X7R_04
*22n_16V_X7R_04
2.2u_6.3V_X5R_06
2.2u_6.3V_X5R_06
For Mic noise issue (Resrve) 3/11
AUDG
SPKOUTR+
SPKOUTR-
Reserve
C236 *180p_50V_NPO_04
C246 *180p_50V_NPO_04
AUDG
SPKOUTL+_L
SPKOUTL-_L
SPKOUTR+ L136 *FCM1608K-121T06_short SPKOUTR+_R
SPKOUTR- L135 *FCM1608K-121T06_short SPKOUTR-_R
1
2
C237 *180p_50V_NPO_04
C239 *180p_50V_NPO_04
AUDG
Schematic Diagrams
5 8
C o m p o n e n t .
EMI Require
1 2
L109 *HCB1005KF-121T20
AUDG
J P1 *10mil_short
J P2 *10mil_short
C686 *0.1u_16V_Y 5V_04
C687 *0.1u_16V_Y 5V_04
D02
AUDG
Sheet 18 of 33
J_INTMIC1
Audio Codec
2 1
R465
3.3K_04 VT1802P
J_INTMIC1
INT_MIC_OUT
1
2
C698
88266-02001
100p_50V_NPO_04 PCB Footprint = 88266-2L
MIC1-L_M
MIC1-L M 22
MIC1-R_M
MIC1-R M 22
SPKOUTR+ 22
SPKOUTR- 22
J _SPK1
4
3
2
1
*85204-04001
PN: 6-20-43130-104
Audio Codec VT1802P B - 19