Audio Codec Alc282 - EUROCOM ARMADILLO 2 W840AU Service Manual

Audio Codec ALC282

5
EMI Require
L53 1 2 *HCB1005KF-121T20
AUDG
3.3VS_AUD
JP2 *10mil_short
JP1 *10mil_short
C608 0.1u_16V_Y5V_04
C594 0.1u_16V_Y5V_04
D
AUDG
D22 *RB751S-40C2
C A 3.3VS_AUD
28 EAPD_MODE
D16
BAT54AS3 R368
2
4,26 AZ_RST#_R
3 10K_04
1
28 KBC_MUTE#
Q16
R602 *100K_04 G *2N7002W 3.3VS
5VS
3.3VS
AZ_RST#_R B Q36
R596
AZ_RST# For 1.5V *2N3904
*10K_04
HDA Link De-pop
C
29 MIC_DATA
29 MIC_CLK
47p_50V_NPO_04
3.3VS_AUD
4 AZ_SDOUT_R
4 AZ_BITCLK_R
5VS
4 HDA_SDIN0
4 AZ_SYNC_R
20ms
AZ_RST#
4,26 AZ_RST#_R
PD#
PC BEEP D18
BAT54CS3
1 A
28 BEEP
BEEP_R
C 3
A
2
7 HDA_SPKR
B
Layout note:
Headphone > 10mils
phone jack
R/L GND 3*
GND
HP-L
3*R/L
HP-R
GND
Very close to Audio Codec
C605 10p_50V_NPO_04 AZ_SDIN0_R
AZ_SDOUT_R
C604 10p_50V_NPO_04
C609 10p_50V_NPO_04 AZ_SYNC_R
AZ_RST#_R
C610 10p_50V_NPO_04
A
5
4 3
PVDD1_2
DVDD_IO
C590
R370 0_04
10u_6.3V_X5R_06
For 3.3V HDA Link. C396
C395
10u_6.3V_X5R_08 0.1u_16V_Y5V_04
3.3VS
L52 3.3VS_AUD
HCB1005KF-121T20
1 2
C611
C596 C599 0.1u_16V_Y5V_04
C595
0.1u_16V_Y5V_04 10u_6.3V_X5R_08 0.1u_16V_Y5V_04
AUDG
L51
HCB1005KF-121T20
1 2 CPVDD
3.3VS
C600
10u_6.3V_X5R_08
U44
AUDIO_PD#
47
PD#
SPKOUTL+ 42
SPK-L+
SPKOUTL- 43
SPK-L-
SPKOUTR- 44
SPK-R-
SPKOUTR+ 45
SPK-R+
R599
*10K_04 EAPD_MODE 48
SPDIFO/GPIO
R743 HCB1005KF-121T20
MIC_DATA_R
2
GPIO0-DMIC-DAT
MIC_CLK_R
3
GPIO1-DMIC-CLK
C734 R744 HCB1005KF-121T20
DIGITAL ANALOG
AZ_SDOUT_R
5
SDATA-OUT
6
BIT-CLK
AZ_SDIN0_R
R603 22_04 8
SDATA-IN
MIC1-VREFO-R
AZ_SYNC_R 10
SYNC MIC2-VREFO
AZ_RST#_R
11
RESET#
BEEP-R 12
PCBEEP
C398
1u_6.3V_X5R_04
BEEP_C
R373 47K_04
C681
R372 C399 *0.1u_16V_Y5V_04
4.7K_04
*100p_50V_NPO_04
AUDG
Thermal Pad place 9
Via hole.
AUDG
MIC1_VREFO_L
Thermal Pad Via Hole Max
L50
SPKOUTL+ SPKOUTL+_L
*FCM1608K-121T06_short C598
100p_50V_X7R_04
SPKOUTL-_L
SPKOUTL-
*FCM1608K-121T06_short C597
L49
100p_50V_X7R_04
L48
*FCM1608K-121T06_short
SPKOUTR+_R
SPKOUTR+
C588
100p_50V_X7R_04
SPKOUTR- SPKOUTR-_R
*FCM1608K-121T06_short C587
L47
EMI Require 100p_50V_X7R_04
2,4,5,6,7,8,10,13,14,15,16,22,23,24,25,28,29,30,32,34,36
4 3
2
5VS
R359
*15mil_short_06
C387 C591 C388
0.1u_16V_Y5V_04
0.1u_16V_Y5V_04 10u_6.3V_X5R_06
DIGITAL
5VS_AUD 5VS
L54
HCB1005KF-121T20
ANALOG
1 2
C612 C615
C614 C613
0.1u_16V_Y5V_04
10u_6.3V_X5R_08 10u_6.3V_X5R_08
AUDG AUDG
AUDG R358 0_04
1.5VS
C592 R357 *0_04
3.3VS
0.1u_6.3V_X5R_06
C602 10u_6.3V_X5R_06
AUDG
C402 *100p_50V_NPO_04
AUDG
Close to Codec
SENSE_A MIC_SENSE
13 R378 20K_1%_04
Sense A MIC_SENSE 29
24 R374 39.2K_1%_04 HP_SENSE
LINE2-L HP_SENSE 29
23
LINE2-R
17
MIC2-L
18
MIC2-R
SENSE_B
14 R666 Close to Codec
Sense-B
15 JDREF R375 20K_1%_04
JDREF AUDG
16 MONO_OUT C403 *100p_50V_NPO_04
MONO-OUT
Close to Codec
MIC1_L_C MIC1_L
19 C603 10u_6.3V_X5R_08 R601 1K_04
MIC1-L
20 MIC1_R_C C606 10u_6.3V_X5R_08 MIC1_R R605 1K_04
MIC1-R
22 LINE1_L Close to Codec
LINE1-L
LINE1_R
21 C401 0.1u_16V_Y5V_04
LINE1-R
MIC1_VREFO_L R600
28 CODEC_VREF C400 2.2u_6.3V_X5R_06
VREF
LDO_CAP MIC1_VREFO_R
27
LDO1_CAP
30 MIC1_VREFO_R
29 C607 10u_6.3V_X5R_08
HEADPHONE-L_L
32
HP-OUT-L
33 HEADPHONE-R_L
HP-OUT-R
AUDG
35 CODEC_CBN C391 2.2u_6.3V_X5R_04
CBN
C732 Close to Codec
37 CODEC_CBP
CBP
34
OPVEE
C734 Close to Codec U46
C390 4 1
NC1 V+
HEADPHONE-L_L
2
NO1
ALC282-CG 2.2u_6.3V_X5R_04
HP_MUTE# 5 3
IN1 COM1
8 9
NC2 COM2
C593 HEADPHONE-R_L 10
NO2
10u_6.3V_X5R_08
D34 *RB751S-40C2 HP_MUTE# 7 6
IN2 GND
EAPD_MODE
C A
TS5A22364DGSR
KBC_MUTE# 0_04 HP_MUTE#
AUDG
R747
HEADPHONE-L_L R360 *0_04
J_SPKL1
1
HEADPHONE-R_L R361 *0_04
2
W B245-002S12P
J_SPKR1
1
2
W B245-002S12P
6-20-43150-102
! ! ! !!DMFWP!DP/ ! ! ! !!DMFWP!DP/ ! ! ! !!DMFWP!DP/
Title Title Title
2,15,20,23,24,27,29,30,32,34,35,37 3.3V [26]AUDIO CODEC ALC282 [26]AUDIO CODEC ALC282 [26]AUDIO CODEC ALC282
15,25,26,29,34,36,37 5VS
10,25,34 1.5VS
Size Size Size Document Number Document Number Document Number 6-71-W8400-D04A
3.3VS
A3 A3 A3 SCHEMATIC1 SCHEMATIC1 SCHEMATIC1
15,25,26,29,34,36,37 5VS
Date: Date: Date: Thursday, December 18, 2014 Thursday, December 18, 2014 Thursday, December 18, 2014
2
Schematic Diagrams
1
Layout note:
GND and AUDG space is
60mils ~ 100mils
D
Sheet 26 of 42
C
Audio Codec
MIC1-L 29
MIC1-R 29
ALC282
2.2K_04
R604 2.2K_04
3.3V
C732
0.1u_16V_Y5V_04
HEADPHONE-L
HEADPHONE-L 29
HEADPHONE-R
HEADPHONE-R 29
B
HEADPHONE-L
HEADPHONE-R
A
Rev Rev Rev
1.0 1.0 1.0
Sheet Sheet Sheet 26 26 26 of of of 42 42 42
1
Audio Codec ALC282 B - 27