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Schematic Diagrams
B - 24 Audio Codec
B.Schematic Diagrams
Audio Codec
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Grounding circuit for Combo Jack
while system entry into S3 / S4 /S5
Pin27
Pin27
5/8 follow design common
QFN 6x6
Thermal Pad place 49
Via hole.
(Include Thermal pad)
㬌 䳬 䶂 嶗 㙓 㗪 䓐 ᶵ ᶲ ĭ 㓭⃰ὅ䄏⺈⓮㊯䣢㍍
⛘
Moat
Codec AVDD ( Placement near Audio Codec)
ANALOG
DIGITAL
PC BEEP
6-06-00543-021
FOR VOLUMN
ADJUST
reserve for RC delay to mute pop.
5/23 add de-pop
䶂
嶗
,
⺈
⓮
⺢ 嬘
De-pop circuit
Close to the CODEC
AUDIO CODEC ALC293D
COMMON NA
4R: 40mils
8R: 20mils
Closed to ALC269VC2 Pins.
2W/4R
EMI Require
Layout trace > 40 mil ,
suggest to implement shapes.
40 mil
40 mil
40 mil
40 mil
Layout trace > 40 mil ,
suggest to implement shapes.
20190605 EMI
D02 change
PDA bug
D02 change
PDA bug
D02 change
PDA bug
HEADPHONE_R
HEADPHONE_L
SLEEVE
HEADPHONE_L
HEADPHONE_R
HD
A
_
SDIN0_R
HD
A_BIT
C
LK_
R
SPKOUTL-
BEEP_R
BEEP_R
BEEP_C
BEEP_A
CODEC_PD#
MUTE_POP#
HEADPHONE_L
HEADPHONE_R
RING2
_R
SPKOUTR-
SPKOUTR-_R
_L
SPKOUTL-
SPKOUTL-_L
AVDD2
CODEC_PD#
MIC1_VREFO_L
SLEEVE
BEEP
LINE1-VREFO
AZ_RST#_R
AZ_RST#_R
SPKOUTR-
MIC1_VREFO_L
HEADPHONE_R
HEADPHONE_L
SLEEVE
RING2
LINE1-VREFO
AUDG
5VS
AUDG AUDG
AUDG
AUDG
AUDG
3.3VS
3.3VS
5VS
AUDG
5VS
5VS_AUD
AUDG
3.3VS
3.3VS
3.3VS
1.5VS
AUDG
3.3VS
3.3VS
3.3VS
3.3VA
VIN
5VS_AUD
VDD3
3.3VS
KBC_BEEP
24
MIC_CLK2
29
MIC_DATA2
29
AZ_RST#_R
6,23
HDA_SYNC
6
HDA_SDOUT
6
HDA_SDIN0
6
HDA_BITCLK
6
PCH_SPKR
6
KBC_MUTE#
24
AZ_RST#_R
6,23
HPOUT-JD
29
EC_CODEC_PD#
24
HEADPHONE_L_DEPOP
29
HEADPHONE_R_DEPOP
29
5VS
16,21,22,29,30
3.3VS
2,5,6,7,8,9,14,15,16,17,21,24,26,29,30,35,37
3.3VA
4,5,6,7,8,9,12,22,30,33
VIN
17,24,31,32,33,35,36,37,38
1.5VS
30
RING2_CON
29
SLEEVE_CONN
29
VDD3
5,6,8,9,12,21,22,24,25,26,29,30,31,32,33,35,37,38
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NL4C0-D02
D02
[23] AUDIO CODEC_ALC293D
A3
23
44
Friday, August 16, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
NL40CU
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NL4C0-D02
D02
[23] AUDIO CODEC_ALC293D
A3
23
44
Friday, August 16, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
NL40CU
Title
Size
Document Number
R e v
Date:
Sheet
o f
6-71-NL4C0-D02
D02
[23] AUDIO CODEC_ALC293D
A3
23
44
Friday, August 16, 2019
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
NL40CU
C278
0.1u_6.3V_X5R_02
C215
2.2u_6.3V_X5R_04
R261
*0_04
L23
HCB1608KF-800T30
R509
10K_04
R249
0_04
R221
100K_04
C442
0.1u_25V_X5R_04
L6
HCB1005KF-121T20
1
2
C467
*180p_50V_NPO_04
R464
2.2K_04
C245
2.2u_6.3V_X5R_04
C287
0.1u_6.3V_X5R_02
C216
4.7u_6.3V_X5R_04
C282
0.1u_6.3V_X5R_02
R442
10K_04
S
D
G
Q34B
MTDK3S6R
5
3
4
R457
200K_1%_04
J_SPKR1
50271-0020N-001
PCB Footprint = 85204-02L
P/N = 6-20-43130-102
1
2
C250
*100p_25V_NPO_02
C445
2.2u_6.3V_X5R_04
C297
*180p_50V_NPO_04
C441
2.2u_6.3V_X5R_04
C
A
A
D42
BAT54AS3
1
2
3
R248
0_04
C279
2.2u_6.3V_X5R_04
S
D
G
Q38B
MTDK3S6R
5
3
4
C197
0.1u_25V_X5R_04
R224
2.2M_06
L8
HCB1608KF-121T30
R222
4.53K_1%_04
R510
0_04
R419
0_04
R223
*10K_04
R459
*0_04
C275
2.2
u_6.
3V_X
5R
_
04
Q37
*BSS138
G
D
S
C
A
A
D38
BAT54CS3
1
2
3
R465
2.2K_04
C247
*0.1u_6.3V_X5R_02
C276
1u_6.
3V_X
5R_02
C277
1u_6.
3V_X
5R_02
C468
*180p_50V_NPO_04
Q36
*2SK3018S3
G
D
S
R463
0_06
C421
0.1u_25V_X5R_04
S
D
G
Q33B
MTDK3S6R
5
3
4
R409
*4.7K_04
R501
0_04
L24
HCB1608KF-800T30
R512
*100K_04
C267
2.2u_6.3V_X5R_04
S
D
G
Q33A
MTDK3S6R
2
6
1
R503
0_04
R455
10K_04
D24
15KV/0.2PF CESD0201UC5VB-M
1
2
R255
22_04
R511
100K_04
C
A
A
D41
BAT54AS3
1
2
3
R458
*0_04
L9
HCB1608KF-121T30
C
A
A
D23
BAT54AS3
1
2
3
C244
2.2u_6.3V_X5R_04
R479
*100K_04
C246
0.1u_6.3V_X5R_02
C280
22p_25V_NPO_02
S
D
G
Q34A
MTDK3S6R
2
6
1
R456
100K_1%_04
R260
*10K_04
R206
4.7K_04
R250
22_04
C243
10u_6.3V_X5R_06
J_SPKL1
50271-0020N-001
PCB Footprint = 85204-02L
P/N = 6-20-43130-102
1
2
C286
2.2u_6.3V_X5R_04
R502
0_04
S
D
G
Q32A
MTDK3S6R
2
6
1
R492
0_04
R205
4.7K_04
S
D
G
Q32B
MTDK3S6R
5
3
4
R462
4.7K_04
C284
*10p_25V_NPO_02
C302
*180p_50V_NPO_04
C248
100p_25V_NPO_02
C249
0.1u_6.3V_X5R_02
S
D
G
Q38A
MTDK3S6R
2
6
1
R262
0_04
DMIC-DATA34/GPIO2
U15
ALC293D-CG
I2
S O
E
1
GPI
O0
/D
M
IC
-CL
K
2
DVDD-
IO
3
GPI
O1
/D
M
IC
-DA
T
A
1
2
4
SD
ATA-
O
U
T
5
BI
T-
CL
K
6
LDO
3
-C
A
P
7
SD
ATA-
IN
8
DVDD
9
SY
NC
10
RESET
#
11
PC
BE
EP
12
HP/MIC1 JD
13
I2S_IN/I2S_OUT JD
14
I2S_MCLK
15
I2S_SCLK
16
I2S_DOUT
17
I2S_LRCK
18
MIC1-L
19
MIC1-R
20
LDO1-CAP
21
AUX mode/LINE1 JD
22
LINE1-VREFO
23
I2S_DIN
24
VR
EF
25
A
VSS
1
26
AV
DD
1
27
LI
N
E
1-
L
/RI
N
G
2
28
L
INE1
-R/
SL
EE
VE
29
MI
C1-
V
R
E
F
O
30
MI
C-
C
A
P
31
HP-O
UT-R
32
HPO
U
T-L
33
CPVEE
34
CBN
35
CBP
36
AVSS2
37
HVDD(3.3V)
38
LDO2-CAP
39
AVDD2
40
PVDD1
41
SPK-OUT-L+
42
SPK-OUT-L-
43
SPK-OUT-R-
44
SPK-OUT-R+
45
PVDD2
46
SPDIFO
47
EAPD+PD
48
GND
49
C283
4.7u_6.3V_X5R_04
C440
0.1u_6.3V_X5R_02
R443
0_04
C217
4.7u_6.3V_X5R_04
Sheet 23 of 43
Audio Codec
Summary of Contents for NL40CU
Page 1: ...NL40CU NL41CU ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer NL40CU NL41CU 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: ...LCD A 5 A Part Lists LCD Figure A 3 LCD ...