Service manual
Schematic Diagrams
B - 32 Azalia Codec ALC888
B.Schematic Diagrams
Azalia Codec ALC888
Sheet 31 of 57
Azalia Codec
ALC888
L41
FCM1005KF-121T03
L42 HCB1608KF-121T25
AUDG
AUDG
AUDGAUDG
R337 75_04
C494
100p_50V_NPO_04
RIGHT_OUT 33
RIGHT_OUT
L40
FCM1005KF-121T03
HP_SENSE
AUDG AUDG
L35
FCM1005KF-102T02
C492 4.7u_6.3V_X5R_06
R333 2.2K_04
C311 0.1u_16V_Y5V_04
AUDG
MI C2
C248
*330p_X7R_06
M570U connector
R335 75_04
AUDG
MIC2-VREF
JINTMIC1
88231-02001
1
1
2
2
R225 2.2K_04
6-20-43160-102
L43 HCB1608KF-121T25
AUDG
AUDGAUDG
AUDG AUDG
EXT_MIC1_R
AUDG
D05 ADD NET
R312 75_04
C324
1u_6.3V_Y5V_04
C313
0.1u_16V_Y5V_04
R292 39.2K_1%_04
C222 0.1u_10V_X7R_04
Z2516
Z2528
C409 1u_6.3V_Y 5V_04
SPDIF-OUT
LINE_OUT_R
LINE_OUT_L
C289 0.1u_10V_X7R_04
AUDG
C408 1u_6.3V_Y 5V_04
Z2527
Z2503
MI C1_R
3.3VS
Z2529
MIC2-VREF
Z2518
R277 20K_1%_04
5VS
HDA_SDIN011
R343
1K_04
SPDIF-OUT
Z2521
A_MIC2L
EAPD_MODE33
LINE-R
C410 0.1u_10V_X7R_04
AUDG
C394 *0.1u_NPO_04
Z2517
C223 0.1u_10V_X7R_04 L34
HCB1608KF-121T25
1 2
A_MIC2R
C307
10u_10V_Y5V_08
MIC1-VREFO_R
MIC1_L
MIC1_R
A_MICJ1-L
Z2504
AUDG
HEADPHONE-R
MI C_ SEN SE
R311 75_04
HEADPHONE-L
EXT_MIC1_L
LIJ-L
Z2506
HDA_RST#11,24,28,33
HP_PLUG
JDREF
5VS18,20,22,23,24,25,28,30,32,33,34,39
HDA_SDOUT11,24,28
Z2509
C496 0.1u_10V_X7R_04
R308 10K_04
3.3VS3,9,10,11,12,13,15,16,17,18,20,21,22,23, 24,25,26,27,28,29,30,32,33,34,39
Z2501
R340
1K_04
BEEP
Z2507
AUDG
C376 1u_6.3V_Y5V_04
C354 22p_50V_NPO_04
LINE_OUT_L 32
R290 33_04
JD_SENSE1
R293 33_04
LINE_OUT_R 32
MIC1-VREFO_R
HDA_SYNC11,24,28
HDA_SPKR11
AUDG
C306
10u_10V_Y5V_08
AUDG
R307 20K_1%_04
C377 1u_6.3V_Y5V_04
R294 33_04
C358
0.1u_16V_Y5V_04
R_HP_OUT_A
R285 *10K_04
MI C2
C365
0.1u_16V_Y5V_04
C390 4.7u_6.3V_Y5V_06
L36
HCB1608KF-121T25
MIC_ SEN SE
MIC1-VREFO_L
R301 33_04
LINE-L
R339 75_04
R342 75_04
MI C1_L
R306 10K_1%_04
HP-L
L38
HCB2012KF-500T40
1 2
Z2510
Z2526
C312
0.1u_16V_Y5V_04
DIGITAL
ANALOG
U26
ALC888-VC2-GR
DVDD1
1
GPIO0
2
GPIO1
3
DVSS1
4
SDATA-OUT
5
BIT-CLK
6
DVSS2
7
SDATA-IN
8
DVDD2
9
SY NC
10
RESET#
11
PCBEEP
12
Sense A(JD1)
13
LINE2-L
14
LINE2-R
15
MIC2-L
16
MIC2-R
17
CD-L
18
CD-GND
19
CD-R
20
MIC1-L
21
MIC1-R
22
LINE1-L
23
LINE1-R
24
AVSS1
26
VREF
27
MIC1-VREFO-L
28
NC2
29
MIC2-VREFO
30
LINE2-VREFO
31
MIC1-VREFO-R
32
NC3
33
Sense B(JD2)
34
FR ONT-OU T-L
35
FRONT-OUT-R
36
NC1
37
SURR-OUT-L
39
JDREF
40
SURR-OUT-R
41
AVSS2
42
CEN
43
LFE
44
NC5
45
NC4
46
EAPD
47
SPDIFO
48
AVDD2
38
AVDD1
25
LINE_SENSE
C310
10u_10V_Y5V_08
KBC_BEEP25
L_HP_OUT_A
C374 1u_6.3V_Y5V_04
C355 10u_10V_Y5V_08
C389 4.7u_6.3V_Y5V_06
C308
0.1u_16V_Y5V_04
R302 33_04
HP_SENSE
Z2505
R309 1K_04
HDA_BITCLK11,24,28
LEF_OUT
A_MICJ1-R
C309 0.1u_10V_X7R_04
D05
ADD
BOM
D05 BOM
CHANGE
HP_PLUG33
R310 1K_04
L44
FCM1005KF-121T01
HEADPHONE-R
HEADPHONE-L
J_SPDIF1
2SJ-T351-018
2
6
5
3
1
4
D03A R292 connect to
JD_SENCE1
LINE_SENSE
LINE-R
LINE-L
SPDIFO-MXM24
J_MICT1
2SJ-T351-018
2
6
5
3
1
4
J_LINE1
2SJ-T351-018
2
6
5
3
1
4
J_HP1
2SJ-T351-018
2
6
5
3
1
4
please
close the
Codec.
C387 4.7u_6.3V_Y 5V_06
C388 4.7u_6.3V_Y 5V_06
Max: 0.5inch
CD_GFrom
CD-ROM
LIJ-R
CD_L
AUDG
U13 pin 1 ~ pin 11 and pin 47 and pin 48
are Digital signals.
The others are Analog signals.
CD_R & CD_G & CD_L must parallel routing to audio
Codec. The space must be equal.
Layout Note:
To
AUDIO
CODEC
D02 ADD NET
CD_R
Layout Note:
AUDG
Signal:Space = 1:1
Signal:Space = 1:1
Signal:Space = 1:1
(1)MIC1-L (U13.21) (2)MIC1-R (U13.22)
(3)LINE-L (U13.23) (4)LINE-R (U13.24)
(5)CD_L (U13.18) (6)CD_G (U13.19)
(7)CD_R (U13.20)
Signal:Space = 1:1
Layout Note:
LEF_OUT 33
SPDIFJ-OUT
D05 DEL
6-20-B2880-006
6-20-B2880-006
6-20-B2880-006
6-20-B2880-006
SIDE-R 33
SIDE-L 33
LINE IN
(SURR)
MIC IN
C472
100p_50V_NPO_04
C485 4.7u_6.3V_X5R_06
MIC1-VREFO_L
Z2534
R336 2.2K_04
R346
220_04
C475
100p_50V_NPO_04
C497
180p_50V_NPO_04
J_HP1, J_MIC1
HEADPHONE
HP-R
C482
100p_50V_NPO_04
2
SOLDER SIDE VIEW
1
6
3
C480
100p_50V_NPO_04
R334 *10mil_short R317 *10mil_short
5
R330 *10mil_short R242 *10mil_short
C487
100p_50V_NPO_04
4
AUDG
AUDG AUDG
AUDG