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Schematic Diagrams
B - 36 Audio Codec ALC272
B.Schematic Diagrams
Audio Codec ALC272
HD A_SDOU T
19,34
5VS
C404
1u_6.3V_X5R _04
3.3VS
2,10, 11,12, 13,19, 20,21, 22,23, 24,25, 26,28,29,30,32,33,36, 37,42, 43,46
H DA_SY NC
19,34
C408
4. 7u_6.3V_X5R _06
FOR EMI
L26
FCM1005KF-121T03
L29
FCM1005KF-121T03
C 405
180p_50V_N PO_04
C395
180p_50V_NPO_04
BEEP
36
C413
0.1u_16V_Y 5V_04
C468
1u_6.3V_X5R _04
MIC 1-R
30
MI C1-L
30
BEEP
L32
*10mil_short
C615
0.1u_16V_Y 5V_04
PC BEEP
HD A_SPKR
19
H DA_R ST#
19,34
C 608
180p_50V_N PO_04
D 17
C H 355PT
A
C
C409
0.1u_16V_Y 5V_04
C616
0.1u_16V_Y 5V_04
MIC1-VR EF O-L
C 449
1U_10V_06
R 313
22_04
R 316
22_04
R 318
22_04
R 321
22_04
R 326
22_04
EAPD_MOD E
R348
2. 2K_04
C485
330p_50V_X7R_04
SPKOUTR -_R
AZ_BI TC LK_R
10U->1U_06
C990325
AZ_R ST#_R
AZ_SD OU T_R
AZ_SY NC _R
AZ_SD I N0_R
FR ONT-R
FR ONT-L
IN T_MIC
J _IN TMIC 1
88266-02001
PC B Footprint = 88266-2R
2
1
AMP (TPA6017)
FRON T-R
FRON T-L
C 609
180p_50V_NPO_04
D 13
*SCS355V
A
C
Layout Note:
Codec pin 1 ~ pin 11 and pin 44 ~ pin 48
are Digital signals.
The others are Analog signals.
Very close to Audio Codec
D 16
C H 355PT
A
C
PC H_MU TE#
24
Very close to Audio Codec
D 32
SC S355V
A
C
R 539
*0_04
R 537
100K_04
R 538
*100K_04
3. 3VS
3.3VS
C 1132 0. 1u_16V_Y 5V_04
U21
* G924
SH D N#
1
GN D
2
BY P
3
OUT
4
VIN
5
AU DG
C 392
*0.1u_16V_Y 5V_04
SPKOU TR -_R 30
C 433
2. 2u_6.3V_X5R _04
SU SB#
21,28, 31,36, 39
C477
4. 7u_6.3V_X5R _06
C476
4. 7u_6.3V_X5R _06
MIC2_R
MIC2_L
J_SPKL2
85205-02701
1
2
C472
*. 1U _16V_04
C470
*. 1U _16V_04
C469
*. 1U _16V_04
Very close to Audio Codec
C471
*. 1U _16V_04
Layout Note:
MIC 2_L
MIC 1_R
MIC 1_L
MIC 2_R
AU D G
ALC _GPIO0
NEAR CODEC
R 308
20K_1%_04
AU D G
J DR EF
C 427
22p_50V_N PO_04
Gain Settings
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
C 442
2. 2u_6.3V_X5R _04
DIGITAL
ANALOG
U 28
ALC 272
DV
DD
1
GPIO0/D MIC -D ATA1/ 2
2
GPIO1/D MIC -D ATA3/ 4
3
DV
S
S
1
4
SD ATA-OUT
5
BI T-C LK
6
DV
S
S
2
7
SD ATA-I N
8
DV
D
D
-I
O
9
SY NC
10
RESET#
11
PC BEEP-IN
12
Sens e A(JD 1)
13
LIN E2-L
14
LIN E2-R
15
MI C2-L
16
MI C2-R
17
LIN E1-VREFO
18
MI C2-VR EFO
19
LIN E2-VREFO
20
MI C1-L
21
MI C1-R
22
LIN E1-L
23
LI NE1-R
24
AVS
S1
26
VREF
27
MI C1-VR EF O
28
CBP
29
CBN
30
C PVEE
31
H POUT-R
32
H POUT-L
33
Sens e B(JD 2)
34
LOU T1-L
35
LOU T1-R
36
MONO-OUT
37
LOU T2-L
39
J DR EF
40
LOU T2-R
41
A
VSS
2
42
NC
43
DMIC -CLK3/ 4
44
SPD IF O2
45
DMIC -CLK1/ 2
46
EAPD
47
SPD IF O1
48
AV
D
D
2
38
AV
D
D
1
25
5VS
12,19,22,25,26, 30,33, 37,42, 43,46
5V
26,29,30,31,37, 39,40, 41,44
C990317
ADD MIC C990329
AU DG
.
L24
H CB1608KF-121T25
SPKOUTL-
C 473
0. 1u_16V_Y 5V_04
C 474
*.1U _16V_04
C420
10u_10V_Y 5V_08
C402
*1U_10V_06
C 458
10u_10V_Y 5V_08
C 412
0. 1u_16V_Y 5V_04
5VS_AU D
5V
D12
*SC S551V-30
A
C
Layout Note:
R 295
0_04
Very close to Audio Codec
AU DG
AU DG
AU D G
R 296
0_04
R338
20K_1%_04
MIC 2-VR EFO
C424
0.1u_16V_Y 5V_04
S_R
R312
5.1K_1%_04
PC BEEP_C
C465
1u_16V_X5R _06
C 480
100p_50V_N PO_04
R 339
10K_04
R 336
1K_04
BEEP
PC BEEP_R
AUD G
MIC1-VREF O
R 333
75_1%_04
SPD I FO
30
10/16 change
footprinter
GAIN 0
LIN -
R IN -
C399
10u_10V_Y 5V_08
C403
*1U_10V_06
R285
* 100K_04
R288
* 100K_04
R287
100K_04
R284
100K_04
C 400
0. 1u_16V_Y 5V_04
T
h
er
mal
P
ad
U 27
N 7010
SD #
19
RI N-
17
LIN -
5
BY PASS
10
GN D
11
GAIN 0
2
ROU T-
14
LOU T-
8
PVDD
6
LOU T+
4
GN D
20
GAIN 1
3
R OU T+
18
PVDD
15
EXPOSED PAD
21
LIN +
9
GN D
1
GN D
13
NC
12
VDD
16
RI N+
7
C398
*10U_10V_08
L27
H C B1005KF -121T20
5VS_REAR
AU D G
AUDG
AU DG
5VS
5VS
AUD G
AUDG
AUD G
AUD G
LIN +
R IN +
GAIN 1
SPK_EN
AMP_BY PASS
C397
1u_6.3V_X5R _04
C393
*.1U _10V_X7R _04
U 24
MC 74VHC 1G08DF T1G
1
2
5
4
3
3.3VS
Low mute!
SPK_EN
KBC_MU TE#
36
EAPD _MOD E
.
L25
FC M1005KF-121T03
.
L28
FC M1005KF-121T03
_R
SPKOUTL-_R
HEAD PHON E-R 30
HEAD PHON E-L 30
MIC 2-VREFO
R 342
4.7K_04
C459
*680P_50V_X7R_04
C414
10u_10V_Y 5V_08
C447
0.1u_16V_Y 5V_04
C 456
0.1u_16V_Y 5V_04
C 439
0.1u_16V_Y 5V_04
3. 3VS_AU D
3.3VS
.
L30
H C B1608KF -121T25
MI C1-L
C 481
*680P_50V_X7R _04
R332
4. 7K_04
SPKOUTR-
R 340
1K_1%_04
MI C1_L_C
C479
4. 7u_6.3V_X5R _06
R 334
1K_1%_04
C478
4. 7u_6.3V_X5R _06
IN T_MI C_R
MIC1_R
MI C1-L
MI C1_R_C
MI C1-R
MIC1_L
ALC _VREF
CODEC ( ALC272-GR )
AUD G
AUDG
MIC 1-VR EFO-R
MIC 1-R
ALC _GPIO1
J D_SENSE
30
J D_SENSE_B
30
J D2
J D1
H P_SENSE
MIC _SEN SE
AU D G
HD A_BITCLK
19,34
INT_MIC
C396
1u_6.3V_X5R _04
HD A_SD IN 0
19
SPKOU TR +_R 30
C407
1u_6.3V_X5R _04
Sheet 35 of 53
Audio Codec
ALC272
Summary of Contents for B7110 Service
Page 1: ......
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer B7110 Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 43: ...Part Lists Top A 3 A Part Lists Top Figure A 1 Top 黑色 非耐落 灰色 ...
Page 44: ...Part Lists A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 45: ...Part Lists LCD A 5 A Part Lists LCD Figure A 3 LCD 非耐落 ...
Page 46: ...Part Lists A 6 HDD A Part Lists HDD Figure A 4 HDD ...