Audio Codec Alc272 - Clevo E4105 Service Manual

Audio Codec ALC272

CODEC ( ALC272-GR )
PC BEEP
3.3VS
L30
BEEP C456
35 BEEP
C468 .1U_16V_04
1U_6.3V_04
19 HDA_SPKR
MIC2_L
C469 *.1U_16V_04
MIC2_R C470 *.1U_16V_04
MIC1_L C471 *.1U_16V_04
19,33 HDA_SDOUT
MIC1_R C472 *.1U_16V_04
19,33 HDA_BITCLK
19 HDA_SDIN0
19,33 HDA_SY NC
AUDG
19,33 HDA_RST#
Layout Note:
Very close to Audio Codec
BEEP PCBEEP_C
R339 10K_04 C465 1U_10V_06
R336 1K_04
C480 100P_50V_04
AUDG 30 JD_SENSE
30 JD_SENSE_B
Very close to Audio Codec
INT_MIC INT_MIC_R
R333 75_04
MIC1-L R334 1K_1%_04 MIC1_L_C
30 MIC1-L
MIC1-R R340 1K_1%_04 MIC1_R_C
30 MIC1-R
Layout Note:
Codec pin 1 ~ pin 11 and pin 44 ~ pin 48
are Digital signals.
The others are Analog signals.
PIN 13 ,PIN34 JD_SENSE
? ? ? ? ? ? ? ?
3.3VS
FRONT-L
C1132 .1U_16V_04
FRONT-R
Low mute!
R537
100K_04
3.3VS
3.3VS
C A
21,28,35,38 SUSB#
D32 *SCS355V C393
C A
*.1U_10V_X7R_04
24 PCH_MUTE#
D13 *SCS355V
EAPD_MODE 1
R539 0_04
4
SPK_EN
2
35 KBC_MUTE#
U24
MC74VHC1G08DFT1G
3.3VS_AUD
HCB1608KF-121T25
C414 C439 C447
10U_10V_08 .1U_16V_04
.1U_16V_04
ALC_GPIO0 2
GPIO0/DMIC-DATA1/2
3
C427 22P_50V_04 ALC_GPIO1
GPIO1/DMIC-DATA3/4
5
R313 22_04 AZ_SDOUT_R
6 SDATA-OUT
R316 22_04 AZ_BITCLK_R
8 BIT-CLK MIC1-VREFO
R318 22_04 AZ_SDIN0_R
SDATA-IN
AZ_SY NC_R 10
R321 22_04
SY NC
AZ_RST#_R 11
R326 22_04
RESET# MONO-OUT
DIGITAL
EAPD_MODE 47
EAPD
48
30 SPDIFO
SPDIFO1
45
SPDIFO2
46
DMIC-CLK1/2
44
DMIC-CLK3/4
43
NC
PCBEEP_R 12
PCBEEP-IN
13
MIC_SENSE R338 20K_1%_04 JD1
Sense A(JD1)
34
HP_SENSE R312 5.1K_1%_04 JD2
Sense B(JD2)
14
ANALOG
LINE2-L
15
LINE2-R
MIC2_L 16
C476 4.7U_6.3V_06
MIC2-L
MIC2_R 17
C477 4.7U_6.3V_06
MIC2-R
18
LINE1-VREFO
19
MIC2-VREFO
20 MIC2-VREFO
LINE2-VREFO
C478 4.7U_6.3V_06 MIC1_L 21
MIC1-L
C479 4.7U_6.3V_06 MIC1_R 22
MIC1-R
AUDG
AMP (TPA6017)
10/16 change
footprinter
U27
LIN- 5
R295 0_04 C396 1U_6.3V_04
LIN-
LIN+ 9
C407 1U_6.3V_04
AUDG LIN+
17
R296 0_04 C397 1U_6.3V_04 RIN-
7 RIN-
C404 1U_6.3V_04 RIN+
AUDG
RIN+
SPK_EN 19
SD#
R287 100K_04
AUDG
GAIN0 2
R288 *100K_04
5VS GAIN0
3
GAIN1
GAIN1
R285 100K_04
1
R284 *100K_04
AUDG
11 GND
R538
GND
13
*100K_04 GND
20
GND
21
EXPOSED PAD
TPA6017A2PWPR
Gain Settings
AUDG
GAIN0 GAIN1 AV(inv) INPUT IMPEDANCE
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
PIN25,PIN38 ? 1? 10uF/.1uF
D12
5VS_AUD C
C412 C420
.1U_16V_04
10U_10V_08 L24
C473 C458
4
AUDG
OUT
.1U_16V_04 C474
10U_10V_08
*.1U_16V_04
3
BY P
AUDG C392
*0.1u_16V_Y5V_04
L32
U28 C413
ALC_VREF C449 10U_10V_08 C615
C616
C409
C424
AUDG
27
VREF
AUDG
28 A C
MIC1-VREFO D16 CH355PT MIC1-VREFO-R
A C MIC1-VREFO-L
D17 CH355PT
37
Very close to Audio Codec R332
31
C433 2.2u_6.3V_X5R_04 4.7K_04
CPVEE
30
C442 2.2u_6.3V_X5R_04
CBN 29
MIC1-L MIC1-R
CBP
AUDG C459
35 FRONT-L
*680P_50V_X7R_04
LOUT1-L
36 FRONT-R
LOUT1-R
39
AUDG
LOUT2-L
41
LOUT2-R
33
HEADPHONE-L 30
HPOUT-L
32
HEADPHONE-R 30
HPOUT-R
23
LINE1-L
24
LINE1-R
MIC2-VREFO
NEAR CODEC
40
JDREF R308 20K_1%_04
JDREF
AUDG
INT_MIC
ALC272
5VS_REAR
L27 HCB1005KF-121T20
C400 C403 C399 C398
*1U_10V_06 *10U_10V_08
.1U_16V_04 10U_10V_08
AUDG
6 SPKOUTL+_R
L25 FCM1005KF-121T03_04
PVDD
15 SPKOUTL-_R
L28 FCM1005KF-121T03_04
PVDD
16
VDD
4
SPKOUTL+
LOUT+
L26 FCM1005KF-121T03 SPKOUTR+_R
8 SPKOUTL- L29 FCM1005KF-121T03 SPKOUTR-_R
LOUT-
C405 C395
18 SPKOUTR+
180P_50V_04 180P_50V_04
ROUT+
14
SPKOUTR- C608
ROUT-
180P_50V_04
10 AMP_BY PASS
BY PASS
C408
12
NC
4.7U_6.3V_06
AUDG
3.3VS 2,10,11,12,13,19,20,21,22,23,24,25,26,28,29,30,31,32,35,36,41,42,45
5V 26,29,30,36,38,39,40,43
5VS 12,19,22,25,26,30,32,36,41,42,45
Schematic Diagrams
*SCS551V-30
A
5V
HCB1608KF-121T25
5VS
U21
5
VIN
C402
1
SHDN#
*1U_10V_06
2
GND
*G924
*10mil_short
.1U_16V_04
.1U_16V_04
.1U_16V_04
.1U_16V_04
.1U_16V_04
Layout Note:
Very close to Audio Codec
R342
Sheet 34 of 49
4.7K_04
Audio Codec
C481
ALC272
*680P_50V_X7R_04
AUDG
R348
2.2K_04
J_INTMIC1
1
2
C485
88266-02001
330p_50V_X7R_04
PCB Footprint = 88266-2R
5VS
J_SPKL2
2
1
85205-02701
SPKOUTR+_R 30
SPKOUTR-_R 30
C609
180P_50V_04
FOR EMI
Audio Codec ALC272 B - 35