Audio Codec Via1812 - Clevo S3100 Service Manual

Audio Codec VIA1812

CODEC (VIA1812 /ALC272)
PC BEEP
3.3VS
MD3
BAT54CS3
L30
1
A C462
27 KBC_BEEP
3
C BEEP 0.1u_10V_X7R_04
2
A
14 ICH_SPKR
GND
20100205 D02
C82
GND
C84
MIC2_L
C471 *0.1u_10V_X5R_04 C469
MIC2_R
C470 *0.1u_10V_X5R_04
MIC1_L C449 *0.1u_10V_X5R_04 R82
14 AZ_SDOUT
MIC1_R C448 *0.1u_10V_X5R_04 R80
14 AZ_BITCLK
R364
14 AZ_SDIN0
R83
14 AZ_SYNC
AUDG R81
14 AZ_RST#
GND
C85
Layout Note:
GND
C83
Very close to Audio Codec
20100205 D02
20090201 D02
BEEP R359 10K_04 PCBEEP_C C473 1U_6.3V_X5R_04
R360 1K_04
C476 100p_50V_NPO_04 MIC_SENSE
AUDG
HP_SENSE
R360
C81 *0.1u_10V_X7R_04
C438 *0.1u_10V_X7R_04
3.3V VIA1812 5.1K
GND GND
ALC272 10K C475
INT_MIC INT_MIC_R
R323 1K_04 C474
MIC1-L R327 75_1%_04 MIC1_L_C C454
MIC1-R R326 75_1%_04 MIC1_R_C C453
C62 C61
Layout Note:
680p_50V_X7R_04 680p_50V_X7R_04 Very close to Audio Codec
AUDG AUDG
Layout Note:
Codec pin 1 ~ pin 11 and pin 44 ~ pin 48
are Digital signals.
20100205 D02
The others are Analog signals.
FRONT-L
R52
FRONT-R R53
? 15db
Gain Settings
GAIN0 GAIN1 AV(inv) INPUT IMPEDANCE
3.3VS
0 0 6 dB 90 k
0 1 10 dB 70 k
1 0 15.6 dB 45 k
1 1 21.6 dB 25 k
R54
100K_04 C73
Low mute!
C A
*0.1u_10V_X5R_04
15,19 PCH_MUTE#
MD2 *SCS355V
EAPD_MODE R55 *0_04 EAPD_MODE_R 1
4 SPK_EN
2
27 KBC_MUTE#
U9
MC74VHC1G08DFT1G
GND
3.3VS 1.5V
R358 *15mil_short_06 Z3006
R357 *0_04 C446
0.1u_10V_X7R_04
3.3VS_AUD
HCB1608KF-121T25
C463 C467 C468
10U_6.3V_X5R_06 0.1u_10V_X7R_04 0.1u_10V_X7R_04
GND
22p_50V_NPO_04
*22p_50V_NPO_04
ALC_GPIO0 2
*22p_50V_NPO_04
GPIO0/DMIC-DATA1/2
ALC_GPIO1 3
GPIO1/DMIC-DATA3/4
5
22_1%_04 AZ_SDOUT_R
SDATA-OUT
6
22_1%_04 AZ_BITCLK_R
8 BIT-CLK MIC1-VREFO
22_1%_04 AZ_SDIN0_R
10 SDATA-IN
22_1%_04 AZ_SYNC_R
SYNC
22_1%_04 AZ_RST#_R 11
RESET#
DIGITAL
*22p_50V_NPO_04 EAPD_MODE 47
EAPD
*22p_50V_NPO_04 48
SPDIFO1
45
SPDIFO2
46
DMIC-CLK1/2
44
DMIC-CLK3/4
43
NC
12
PCBEEP_R
PCBEEP-IN
13
R79 20K_1%_04 JD1
Sense A(JD1)
R322 5.1K_1%_04 JD2 34
Sense B(JD2)
C472 *100p_50V_NPO_04
C439 *100p_50V_NPO_04 14
ANALOG
LINE2-L
15
LINE2-R
MIC2_L 16
4.7U_6.3V_X5R_06
MIC2-L
MIC2_R 17
4.7U_6.3V_X5R_06
MIC2-R
18
LINE1-VREFO
19
MIC2-VREFO
MIC2-VREFO
20
LINE2-VREFO
21
4.7U_6.3V_X5R_06 MIC1_L
22 MIC1-L
4.7U_6.3V_X5R_06 MIC1_R
MIC1-R
AUDG
AMP (N7101)
U8
Z3004 LIN- 5
0_04 C68 1U_6.3V_X5R_04
LIN-
LIN+ 9
C452 1U_6.3V_X5R_04
AUDG LIN+
17
0_04 Z3005 C69 1U_6.3V_X5R_04 RIN-
RIN-
7
C451 1U_6.3V_X5R_04 RIN+
AUDG RIN+
19
SPK_EN
SD#
R324 100K_04
AUDG
2
R41 *100K_04 GAIN0
5VS
3 GAIN0
GAIN1
GAIN1
R40 100K_04
1
R325 *100K_04
AUDG GND
11
GND
13
20091217
GND BYPASS
20
AUDIO JACK CON
GND
21
EXPOSED PAD
J_AUD1
N7010
1
MIC1-L
2
MIC1-R
3
MIC1-VREFO AUDG
4
HP_SENSE
5
MIC_SENSE
6
7 HEADPHONE-L
8 HEADPHONE-R
9
10 SPK_HP#
GND
11
12
87151-1207G
AUDG
MD1
C
C445
5VS_AUD
10U_6.3V_X5R_06
L10
C465 C436
AUDG
0.1u_10V_X7R_04 10U_6.3V_X5R_06 C72
*0.1u_10V_X5R_04
L8
AUDG C487
C437
C444 *0.1u_10V_X7R_04 C441
C450
U25 C466
ALC_VREF
C443 10U_6.3V_X5R_06
FOR EMI
AUDG AUDG
27
VREF
28
MIC1-VREFO
37
MONO-OUT
31 Z3001
C440 2.2u_16V_X5R_06
CPVEE
30 Z3002
C442 2.2u_16V_X5R_06
CBN
29 Z3003
CBP
AUDG
35
FRONT-L
LOUT1-L
36
FRONT-R
LOUT1-R
39
LOUT2-L
41
LOUT2-R
33 HEADPHONE-L
HPOUT-L
32 HEADPHONE-R
HPOUT-R
23
LINE1-L
24 MIC2-VREFO
LINE1-R
NEAR CODEC
40
JDREF R356 20K_1%_04
JDREF
C464 *100p_50V_NPO_04
INT_MIC
VT1812 AUDG
R356 VIA1812 5.1K_1%_04
ALC272 20K_1%_04
5VS_REAR
L9
HCB1005KF-121T20
C67 C70 C66 C71
0.1u_10V_X7R_04 *1U_6.3V_X5R_04 10U_6.3V_X5R_06 *10U_6.3V_X5R_06
6
20100205 D02
PVDD
15
AUDG
PVDD
16
C506 *1000p_50V_X7R_04
VDD
4
SPKOUTL+ L35 FCM1005KF-121T03
LOUT+
8
SPKOUTL- L34 FCM1005KF-121T03
LOUT-
C503
*1000p_50V_X7R_04
18
SPKOUTR+ L33 FCM1005KF-121T03
ROUT+
14 SPKOUTR- L32 FCM1005KF-121T03
ROUT-
10 AMP_BYPASS
R374
*10mil_short 180p_50V_NPO_04
12 Z3008
C447
NC
AUDG
4.7U_6.3V_X5R_06
180p_50V_NPO_04 C502
L36
AUDG *10mil_short
Z3007
AUDG
5V 21,24,28,29,31,32,34
3.3V 3,4,12,14,15,16,18,19,20,21,23,24,25,28,31,32,34,35,36
3.3VS 2,4,10,11,12,13,14,15,16,17,18,19,20,21,23,24,25,26,27,28,29,31,35,36
5VS 2,13,20,21,26,29,31,35,36
5VS 2,13,20,21,26,29,31,35,36
1.5V 4,9,10,11,21,23,31,32
Schematic Diagrams
*RB551V30
A
5V
HCB1608KF-121T25
5VS
C74
*1U_6.3V_X5R_04
*15mil_short_06
0.1u_10V_X7R_04
0.1u_10V_X7R_04
0.1u_10V_X7R_04
0.1u_10V_X7R_04
0.1u_10V_X7R_04
GND
Layout Note:
Very close to Audio Codec
Sheet 30 of 43
Audio Codec
VIA1812
J_INTMIC1
2 1
R329
2.21K_1%_04
J_INTMIC1
1
2
C455
85204-02001
330p_50V_X7R_04 85204-02R
AUDG
5VS
M_JSPK1
4
1
JSPK1
SPKOUTL+_R
4
SPKOUTL-_R
3
ASPKOUTR+_R
2
ASPKOUTR-_R
1
85204-04001
C505 C507
180p_50V_NPO_04
C504
180p_50V_NPO_04
Audio Codec VIA1812 B - 31