A
A
B
B
C
C
D
D
E
E
1 1
2 2
3 3
4 4
4.75V
(output = 300 mA)
60mil 40mil
External MIC
Place next pin27
P
la
ce near Pin1, 9
For EMI
DGND
20mil
20mil
HD Audio Codec
10mil
10mil
Place near Pin25, 38
40
mil
Place near Pin39
Int. Speaker Conn.
Combo MIC
External MIC
Internal MIC
GNDAGND GND GNDA
Place near Pin46
35mA
68mA 600mA
SM010030010 200ma 120ohm@100mhz DCR 0.2
SM010030010 200ma 120ohm@100mhz DCR 0.2
SM010014520 3000ma 220ohm@100mhz DCR 0.04
Internal MIC
10mil
10
mil
10mil
40mil
40mil
Place near
codec
reseve for EMI
Combo MIC
15mil
1/4 Modify SPK Pin define
Pl
ace near pin28
C412 need to close U34.12
MONO_IN
CODEC_VREF
SENSE_B
CPVEE MONO_IN
HDA_RST_AUDIO#
HDA_SDIN0_AUDIO
JDREF
+3VS_DVDD
SPKR+
SPKR-
SPKL-
SPKL+
HP_LEFT
HP_RIGHT
SENSE_AHP_PLUG#
MIC2JD
MIC2_C_R
MIC2_C_L
COM_MIC
COM_MIC
MIC2JD
SPK_R-
SPKR+
SPKR-
SPK_R+
SPK_L+
SPK_L-SPKL-
SPKL+
SPK_L+
SPK_L-
MIC2JD_R
EAPD
HDA_RST_AUDIO#
SPK_R-
SPK_R+
BEEP#_R
INT_MIC_R
LINE2_C_R
LINE2_C_L
COM_MIC_R
INT_MIC
INT_MIC_R
+VDDA
+3VS
+MIC2_VREFO
+VDDA
+5VS
+MIC2_VREFO
+AVDD_HDA
+PVDD_HDA
+VDDA
+3VS
+INTMIC_VREFO
+INTMIC_VREFO
BEEP#<29>
PCH_SPKR<13>
EAPD<29>
HDA_SDIN0 <13>
HDA_SDOUT_AUDIO <13>
HDA_SYNC_AUDIO <13>
HDA_BITCLK_AUDIO <13>
HDA_RST_AUDIO# <13>
EC_MUTE# <29>
COM_MIC<28>
HP_PLUG# <28>
HP_LEFT <28>
HP_RIGHT <28>
INT_MIC_R <28>
Title
Siz
e Document Number Rev
Date: Sheet of
Security Classification
Compal Secret Data
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
Issued Date
Deciphered Date
Q1VZC M/B LA-8941P Schematic
1.0
HD Audio Codec ALC271X
Custom
31 45Friday, April 20, 2012
2011/06/24 2012/07/12
Compal Electronics, Inc.
Title
Size Document Number Rev
Date: Sheet of
Security Classification
Compal Secret Data
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
Issued Date
Deciphered Date
Q1VZC M/B LA-8941P Schematic
1.0
HD Audio Codec ALC271X
Custom
31 45Friday, April 20, 2012
2011/06/24 2012/07/12
Compal Electronics, Inc.
Title
Size Document Number Rev
Date: Sheet of
Security Classification
Compal Secret Data
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
Issued Date
Deciphered Date
Q1VZC M/B LA-8941P Schematic
1.0
HD Audio Codec ALC271X
Custom
31 45Friday, April 20, 2012
2011/06/24 2012/07/12
Compal Electronics, Inc.
C427
2.2U_0603_6.3V6K
1
2
C417
0.1U_0402_16V4Z
1
2
J11
JUMP_43X39
@
1
1
2
2
R464 1K_0402_5%
12
C433 0.1U_0402_16V4Z1 2
D24
AZ5125-02S.R7G_SOT23-3
2
3
1
R417 0_0603_5%1 2
R426
22K_0402_5%
1 2
J10
JUMP_43X39
@
1
1
2
2
R413
47K_0402_5%
12
R430 20K_0402_1%12
R423
2.2K_0402_5%
12
R424
4.7K_0402_5%
@
12
L38
BLM18AG121SN1D_2P
1 2
C425
4.7U_0603_6.3V6K
1 2
L36
FBMA-L11-201209-221LMA30T_0805
12
R416 0_0603_5%
1 2
C426
4.7U_0603_6.3V6K
1 2
R412 0_0603_5%1 2
J6
@
JUMP_43X39
1
1
2
2
J8
JUMP_43X39
@
1
1
2
2
C424
0.1U_0402_16V4Z
1
2
G
D
S
Q23
BSS138_NL_SOT23-3
2
13
R415
4.7K_0402_5%
1 2
J7
JUMP_43X39
@
1
1
2
2
C420
10U_0603_6.3V6M
1
2
C414
10U_0805_10V4Z
1
2
R411 0_0603_5%
1 2
C422
0.1U_0402_16V4Z
1
2
C411
0.1U_0402_16V4Z
1
2
C432 2.2U_0603_6.3V6K1 2
C463
1000P_0402_50V7K
12
C412 1U_0402_6.3V6K
1 2
U34
ALC271X-VB6-CG_QFN48_6X6
LINE2_L
14
LINE2_R
15
MIC2_R
17
MIC2_L
16
LINE1_L
23
LINE1_R
24
MIC1_L
21
MIC1_R
22
MIC2_VREFO
29
MIC1_VREFO_L
31
MIC1_VREFO_R
30
SENSE A
13
PCBEEP
12
SPK_OUT_L+
40
SPK_OUT_L-
41
MONO_OUT
20
RESET#
11
SYNC
10
BCLK
6
SDATA_OUT
5
SDATA_IN
8
GPIO0/DMIC_DATA
2
GPIO1/DMIC_CLK
3
CBP
36
CBN
35
VREF
27
DVDD
1
DVDD_IO
9
AVDD1
25
AVDD2
38
HPOUT_L
32
EAPD
47
SPDIFO
48
PVDD2
46
DVSS
7
CPVEE
34
HPOUT_R
33
SENSE B
18
LDD_CAP
28
PD#
4
JDREF
19
AVSS1
26
AVSS2
37
SPK_OUT_R+
45
SPK_OUT_R-
44
PVDD1
39
PVSS1
42
PVSS2
43
GND
49
C419
10U_0805_10V4Z
1
2
D25
AZ5125-02S.R7G_SOT23-3
2
3
1
R427 0_0402_5%
@
1 2
C416
0.1U_0402_16V4Z
1
2
C415
0.1U_0402_16V4Z
1
2
C429
0.1U_0402_16V7K
@
1
2
J12
JUMP_43X39
@
1
1
2
2
C430
22P_0402_50V8J
@
1 2
L37
BLM18AG121SN1D_2P
1 2
C434 2.2U_0603_6.3V6K1 2
R414
47K_0402_5%
12
C461
1U_0603_10V6K
1 2
C462
1U_0603_10V6K
1 2
C418
0.1U_0402_16V4Z
1
2
R431 0_0402_5%
1 2
C413
100P_0402_50V8J
1
2
JSPK1
ACES_88266-04001
CONN@
1
1
2
2
3
3
4
4
G1
5
G2
6
R420 1K_0402_5%
12
R465
10K_0402_5%
12
R422
33_0402_5%
1 2
R428 20K_0402_1%12
C435 10U_0603_6.3V6M
@
1 2
R429 39.2K_0402_1%12
R425
22K_0402_5%
1 2
C464
220P_0402_50V7K
1
2
C428
10U_0603_6.3V6M
1
2
C431
10U_0603_6.3V6M
1 2
J9
JUMP_43X39
@
1
1
2
2
R421 0_0402_5%
281@1 2