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Schematic Diagrams
Audio Codec ALC282 B - 27
B.Schematic Diagrams
Audio Codec ALC282
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PC BEEP
Close to Codec
Close to Codec
PD#
AZ_RST#
3.3VS_AUD
5VS
Very close to Audio Codec
EMI Require
DIGITAL
ANALOG
R666 Close to Codec
Thermal Pad Via Hole Max
GND
HP-R
Headphone
ಛ
ಛ
ಛ
ಛᇆ
ᇆ
ᇆ
ᇆᒵ
ᒵ
ᒵ
ᒵᐈ
ᐈ
ᐈ
ᐈ
> 10mils
၏
၏
၏
၏ᠦ
ᠦ
ᠦ
ᠦ
phone jack
။
။
။
။
ᒵ
ᒵ
ᒵ
ᒵஉ
உ
உ
உ༉
༉
༉
༉ؘ
ؘ
ؘ
ؘႊ
ႊ
ႊ
ႊ။
။
။
။ᐈ
ᐈ
ᐈ
ᐈ
R/L
ؘ
ؘ
ؘ
ؘႊ
ႊ
ႊ
ႊץ
ץ
ץ
ץ
GND
ၴ
ၴ
ၴ
ၴ၏
၏
၏
၏
3*
ᒵ
ᒵ
ᒵ
ᒵᐈ
ᐈ
ᐈ
ᐈ
3*R/L
ᒵ
ᒵ
ᒵ
ᒵᐈ
ᐈ
ᐈ
ᐈ
Layout note:
Thermal Pad place 9
Via hole.
HP-L
GND
EMI Require
For 3.3V HDA Link.
GND and AUDG space is
60mils ~ 100mils
Layout note:
C732 Close to Codec
C734 Close to Codec
AZ_RST# For 1.5V
HDA Link De-pop
20ms
Close to Codec
6-20-43150-102
6-71-W8400-D04A
BEEP_R
AZ_SYNC_R
AZ_RST#_R
AZ_SDOUT_R
AZ_SDIN0_R
AZ_RST#_R
AUDIO_PD#
AZ_SDIN0_R
CPVDD
BEEP_C
AZ_SYNC_R
MIC1_VREFO_R
CODEC_CBN
CODEC_CBP
LINE1_L
LINE1_R
MIC1_R_C
MIC1_L_C
MONO_OUT
SENSE_B
MIC1_VREFO_L
MIC1_VREFO_R
MIC_SENSE
HP_SENSE
SPKOUTR-
SPKOUTL-
SPKOUTR-
MIC1_R
MIC1_L
MIC1_VREFO_L
SPKOUTL-
AZ_RST#_R
CODEC_VREF
SENSE_A
AZ_SDOUT_R
JDREF
LDO_CAP
EAPD_MODE
_L
SPKOUTL-_L
_R
SPKOUTR-_R
BEEP-R
HEADPHONE-L
HEADPHONE-R
HEADPHONE-L_L
HEADPHONE-R_L
HEADPHONE-L_L
HEADPHONE-R_L
MIC_DATA_R
MIC_CLK_R
HEADPHONE-L_L
HEADPHONE-R_L
HEADPHONE-L
HEADPHONE-R
KBC_MUTE#
EAPD_MODE
HP_MUTE#
HP_MUTE#
HP_MUTE#
3.3VS
AUDG
3.3VS
AUDG
AUDG
5VS
3.3VS_AUD
5VS
PVDD1_2
AUDG
AUDG
3.3VS_AUD
AUDG
AUDG
AUDG
AUDG
AUDG
5VS_AUD
5VS
AUDG
3.3VS
3.3VS_AUD
DVDD_IO
1.5VS
3.3VS
3.3VS
AUDG
3.3V
AUDG
5VS
15,25,26,29,34,36,37
3.3VS
2,4,5,6,7,8,10,13,14,15,16,22,23,24,25,28,29,30,32,34,36
1.5VS
10,25,34
5VS
15,25,26,29,34,36,37
3.3V
2,15,20,23,24,27,29,30,32,34,35,37
AZ_RST#_R
4,26
HDA_SPKR
7
BEEP
28
AZ_BITCLK_R
4
HDA_SDIN0
4
AZ_SDOUT_R
4
KBC_MUTE#
28
AZ_RST#_R
4,26
AZ_SYNC_R
4
MIC_DATA
29
MIC_CLK
29
HP_SENSE 29
MIC_SENSE 29
MIC1-R 29
MIC1-L 29
EAPD_MODE
28
HEADPHONE-L 29
HEADPHONE-R 29
Title
Size
Document Number
Rev
Date:
Sheet
of
1.0
[26]AUDIO CODEC ALC282
A3
26
42
Thursday, December 18, 2014
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size
Document Number
Rev
Date:
Sheet
of
1.0
[26]AUDIO CODEC ALC282
A3
26
42
Thursday, December 18, 2014
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size
Document Number
Rev
Date:
Sheet
of
1.0
[26]AUDIO CODEC ALC282
A3
26
42
Thursday, December 18, 2014
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
C590
10u_6.3V_X5R_06
Q16
*2N7002W
G
D
S
C613
10u_6.3V_X5R_08
C402
*100p_50V_NPO_04
L47
*FCM1608K-121T06_short
C391
2.2u_6.3V_X5R_04
R370
0_04
JP1
*10mil_short
C732
0.1u_16V_Y5V_04
R373
47K_04
C607
10u_6.3V_X5R_08
L52
HCB1005KF-121T20
1
2
C605
10p_50V_NPO_04
Q36
*2N3904
B
E
C
D34 *RB751S-40C2
A
C
C591
10u_6.3V_X5R_06
L51
HCB1005KF-121T20
1
2
C399
*100p_50V_NPO_04
R368
10K_04
R360
*0_04
C594
0.1u_16V_Y5V_04
L50
*FCM1608K-121T06_short
R596
*10K_04
R374
39.2K_1%_04
C599
0.1u_16V_Y5V_04
C602
10u_6.3V_X5R_06
R358
0_04
C614
10u_6.3V_X5R_08
C593
10u_6.3V_X5R_08
R601
1K_04
C603
10u_6.3V_X5R_08
C398
1u_6.3V_X5R_04
C400
2.2u_6.3V_X5R_06
C612
0.1u_16V_Y5V_04
U46
TS5A22364DGSR
NC1
4
NO1
2
IN1
5
NC2
8
NO2
10
IN2
7
V+
1
COM1
3
GND
6
COM2
9
R602
*100K_04
R378
20K_1%_04
R361
*0_04
DIGITAL
ANALOG
U44
ALC282-CG
DVDD
1
GPIO0-DMIC-DAT
2
GPIO1-DMIC-CLK
3
CPVDD
36
SDATA-OUT
5
BIT-CLK
6
DVSS
4
SDATA-IN
8
DVDD-IO
9
SYNC
10
RESET#
11
PCBEEP
12
Sense A
13
LINE2-L
24
LINE2-R
23
MIC2-L
17
MIC2-R
18
Sense-B
14
JDREF
15
MONO-OUT
16
MIC1-L
19
MIC1-R
20
LINE1-L
22
LINE1-R
21
AVSS1
25
VREF
28
LDO1_CAP
27
MIC2-VREFO
29
MIC1-VREFO-R
30
M
IC1
-VREF
O
-L
31
HP-OUT-L
32
AVSS2
38
OPVEE
34
CBN
35
CBP
37
HP-OUT-R
33
PVDD1
41
SPK-L+
42
SPK-L-
43
SPK-R+
45
SPK-R-
44
PVDD2
46
PD#
47
SPDIFO/GPIO
48
AVDD2
40
AVDD1
26
GND
49
LD
O
2_C
A
P
39
LD
O
3_C
A
P
7
R605
1K_04
C615
1u_6.3V_X5R_04
C597
100p_50V_X7R_04
C395
10u_6.3V_X5R_08
C604
10p_50V_NPO_04
R744
HCB1005KF-121T20
C403
*100p_50V_NPO_04
C681
*0.1u_16V_Y5V_04
C387
0.1u_16V_Y5V_04
C734
47p_50V_NPO_04
C
A
A
D16
BAT54AS3
1
2
3
C388
0.1u_16V_Y5V_04
C
A
A
D18
BAT54CS3
1
2
3
C396
0.1u_16V_Y5V_04
C598
100p_50V_X7R_04
C610
10p_50V_NPO_04
J_SPKR1
W B245-002S12P
2
1
R600
2.2K_04
C596
0.1u_16V_Y5V_04
R375
20K_1%_04
J_SPKL1
W B245-002S12P
2
1
R359
*15mil_short_06
L48
*FCM1608K-121T06_short
R599
*10K_04
R357
*0_04
R604
2.2K_04
C390
2.2u_6.3V_X5R_04
C609
10p_50V_NPO_04
C588
100p_50V_X7R_04
C592
0.1u_6.3V_X5R_06
R603
22_04
C611
0.1u_16V_Y5V_04
R743
HCB1005KF-121T20
C606
10u_6.3V_X5R_08
C600
10u_6.3V_X5R_08
R747
0_04
C401
0.1u_16V_Y5V_04
R372
4.7K_04
L49
*FCM1608K-121T06_short
C587
100p_50V_X7R_04
JP2
*10mil_short
L54
HCB1005KF-121T20
1
2
C595
10u_6.3V_X5R_08
D22 *RB751S-40C2
A
C
L53
*HCB1005KF-121T20
1
2
C733
47p_50V_NPO_04
C608
0.1u_16V_Y5V_04
Sheet 26 of 42
Audio Codec
ALC282
Summary of Contents for ARMADILLO 2 W840AU
Page 1: ...eurocom arm adi l l o 2...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W840AU Service Manual...
Page 24: ...Introduction 1 12 1 Introduction...
Page 38: ...Disassembly 2 14 2 Disassembly...
Page 41: ...Top A 3 A Part Lists Top Figure A 1 Top...
Page 42: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom...
Page 43: ...HDD A 5 A Part Lists HDD Figure A 3 HDD...
Page 44: ...A 6 LCD A Part Lists LCD Figure A 4 LCD...