Audio Codec Alc892, Dmic - EUROCOM P570WM Service Manual

Schematic Diagrams

Audio Codec ALC892, DMIC

DIGITAL
3.3VS
DMIC is 50ohm
6-20-43130-104
J_DMIC1
85204-04001
Sheet 35 of 63
Audio Codec
ALC892, DMIC
Layout Note:
Very close to CODEC
B - 36 Audio Codec ALC892, DMIC
3.3VS
MIC
3.3VS_DMIC
L89
R113 0_04 C897
0.1u_16V_Y5V_04 D
R464 *100K_04
3.3V
G
C134
18,25,33,47,49 SUSB#
L35 47p_50V_NPO_04
FCM1005KF-121T03
1
DMIC_CLK
2
3.3VS_DMIC
3
DMIC_DATA
4
L34 C525
FCM1005KF-121T03 C129
47p_50V_NPO_04
25 HDA_SDOUT
25 HDA_BIT_CLK
R470
EMI
25 HDA_SDIN0
HDA_BIT_CLK
25 HDA_SY NC
C896 *22p_50V_NPO_04
25,35 HDA_RST#
Max: 0.5inch
EAPD
D17
16,54 SPDIF_OUT
1 A
33 KBC_BEEP
3
C BEEP R454 47K_04 C506
2
A R438 4.7K_04
25 HDA_SPKR
0925
C505 3300p_50V_NPO_04
BAT54CW(lision)
0815
54 JD_SENSE_A
AUDG
54 JD_SENSE_B
L60 HCB1005KF-121T20
VDD5
40mil
L61 *HCB1005KF-121T20 AUDIO_LDO_IN
5V
Connect standby power(for pop noise)
C860
D13 22u_6.3V_X5R_08
*RB751V
AUDG
MIC1-L
R719 75_04 C883
54 MIC1-L
MIC1-R R716 75_04 C879
54 MIC1-R
3.3VS
R1104
10K_04
EAPD
23,25 PCH_MUTE#
MIC1-VREFO-L MIC1-VREFO-R
R416 R405
33 KBC_MUTE#
2.2K_04 2.2K_04
25,35 HDA_RST#
MIC1-L MIC1-R
C870 C871
*680p_50V_X7R_04 *680p_50V_X7R_04
54 HP_PLUG
AUDG AUDG
Layout Note:
U43 pin 1 ~ pin 11 and pin 47 and pin 48
are Digital signals.
The others are Analog signals.
Layout Note:
(1)MIC1-L (U31.21) (2)MIC1-R (U31.22)
(3)LINE-L (U31.23) (4)LINE-R (U31.24)
©P³ò¥²¶·¥]ÂÐ AUDG, ¥B¾¨¶qÁקK¸ó¶V
+5VS & +VIN plane.
3.3VS_AUD
40mil
HCB1005KF-121T20
5VS_AUD
40mil
S
Q27 C495 C497
*AO3409
*10u_10V_Y5V_08 10u_10V_Y 5V_08
AUDG AUDG
Q28
VREF_CODEC
*MTN7002ZHS3 U39
C869
2
DMIC_CLK
GPIO0/DMIC-CLK
DMIC_DATA 4 27
C464
DMIC_DAT VREF
10u_10V_Y5V_08 3
GPIO1/DMIC-DATA
5 28 MIC1-VREFO-L
SDATA-OUT VREFOOUT-B_L
6 32 MIC1-VREFO-R
BIT-CLK VREFOUT-B_R
22_04 8
10 SDATA-IN 39
DIGITAL
SYNC port A SURR-OUT-L
11 41
RESET# SURR-OUT-R
47 30
MIC2-VREF
SPDIFI/EAPD VREFOUT-F_L 31
VREFOUT-E
48
SPDIFO
35
port D
12 FRONT-OUT-L 36
1u_10V_Y5V_06
PCBEEP FRONT-OUT-R
14 HP_OUT_L
7.1CH
port E FR_HP-L
15 HP_OUT_R
13 FR_HP-R
Sense A
34 43
Sense B port G CENTER
44
LFE
37
29 NC 45
SIDE_L_C
ANALOG port H
LDO_IN SIDE-L
46
SIDE_R_C
SIDE-R
16
port F
MIC2-L
17 33 CAP
MIC2-R CAP
18 40
CD-L JDREF
19
CD-GND
20 23 C489
port C
CD-R LINE1-L 24
C479
LINE1-R
21
4.7u_6.3V_X5R_06
MIC1-L port B
4.7u_6.3V_X5R_06 22
MIC1-R
ALC892
AUDG
HP-L
HP-R
D16 RB751S-40C2 3.3VS
C A 3.3VS
U22C
74LVC08PW U22D
9
74LVC08PW
8 12
10 11
3.3VS SPK_EN
13
3.3VS
U22A
74LVC08PW
1
R424 100K_04
3
2
U22B
74LVC08PW
4
6 HP_EN HP_EN G
5
R472 100K_04 Q47
3.3VS
C1104 MTN7002ZHS3
0911
0815
HP_EN 54
R442 0_04
R419 0_04
L90
HCB1608KF-121T25
AUDG
Layout note:
GND and AUDG space is
60mils ~ 100mils
5VS
L64 *HCB1005KF-121T20
C488
*0.1u_16V_Y 5V_04
L63
*HCB1608KF-121T25
0.1u_16V_Y5V_04
2.2u_6.3V_X5R_06
AUDG
SURR-OUT-L 36
Support 7.1 channel
SURR-OUT-R 36
SIDE_L_C C504 10u_6.3V_X5R_08 R434 75_1%_04
SIDE_R_C C508 10u_6.3V_X5R_08 R444 75_1%_04
FRONT_L 36
C1056 10u_6.3V_X5R_06
FRONT_R 36
C895 *220u_6.3V_6.3*6.3*4.2 R756 75_04
C887 *220u_6.3V_6.3*6.3*4.2 R462 75_04
C1057 10u_6.3V_X5R_06
AUDIO_CEN 36
LEF_OUT 36
0925
BluRay content
Close to codec
protection
R715 20K_1%_04
AUDG
R722 *5.1K_1%_04
C880 *100p_50V_NPO_04
4.7u_6.3V_X5R_06 R720 75_1%_04 C483 *0.1u_16V_Y 5V_04
LINE-IN_L 54
4.7u_6.3V_X5R_06 R717 75_1%_04
LINE-IN_R 54
CAP
C487 *10u_10V_X5R_08
Close to Codec
La yout note:
He adphone°T¸¹½u¼e > 10mils
GND
¶ZÂ÷phone jack¶V»·
3*R/L½u¼e
½u®|´N¥²¶·¶V¼e
GND R/L¥²¶·¥]ÂÐGND¥B¶¡¶Z¬°3*½u¼e
SPK_EN 36
HP-L
3.3VS HP-R
R1111 R1110 *1K_04
*220K_04
Q74
EAPD *QM3009K
R1112 *0_04 R1113
*4.7K_04
HP_MUTE R1114 *1K_04
C1122
*10u_6.3V_X5R_06
AUDG
SIDE_L 54
SIDE_R 54
HP-L 54
HP-R 54
AUDG
B
Q73
*BTN3904
AUDG
B
Q75
*BTN3904
AUDG