Audio Codec Alc892, Dmic - EUROCOM P270WM Service Manual

Schematic Diagrams

Audio Codec ALC892, DMIC

DIGITAL
3.3VS
DMIC is 50ohm
6-20-43130-104
J_DMIC1
1
2
3
4
85204-04001
C896 *22p_50V_NPO_04
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
D
R106 C139 0.1u_16V_Y5V_04
0715-J
Modify
3.3V
R464 *100K_04
G
18,25,33,46,49 SUSB#
C134
L35 DMIC_CLK
FCM1005KF-121T03 47p_50V_NPO_04
3.3VS_DMIC
DMIC_DATA
L34
FCM1005KF-121T03 C129 C525 10u_10V_Y 5V_08
47p_50V_NPO_04
25 HDA_SDOUT
25 HDA_BIT_CLK
EMI R470
25 HDA_SDIN0
HDA_BIT_CLK
25 HDA_SY NC
25 HDA_RST#
Max: 0.5inch
EAPD
D17
16,54 SPDIF_OUT
1
A
33 KBC_BEEP
3 BEEP
C R454 47K_04 C506
2 A R438 4.7K_04
25 HDA_SPKR
C505 *100p_50V_NPO_04
BAT54CW(lision)
54 JD_SENSE_A
AUDG
54 JD_SENSE_B
L60 HCB1005KF-121T20
VDD5
40mil
AUDIO_LDO_IN
L61 *HCB1005KF-121T20
5V
D03-1012J Connect standby power(for pop noise)
C860
5VS¡÷VDD5
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
D16
C
EAPD
25 PCH_MUTE#
MIC1-VREFO-L MIC1-VREFO-R
R416 R405
33 KBC_MUTE#
2.2K_04 2.2K_04
25 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.
AUDG
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.
HCB1005KF-121T20
3.3VS_AUD 5VS_AUD
40mil 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
3
GPIO1/DMIC-DATA
5 28
MIC1-VREFO-L
SDATA-OUT VREFOOUT-B_L
6 32 MIC1-VREFO-R
BIT-CLK VREFOUT-B_R
8
22_04
SDATA-IN
10 39 SURR-OUT-L
DIGITAL
port A
11 SYNC SURR-OUT-L 41
SURR-OUT-R
RESET# SURR-OUT-R
47 30 MIC2-VREF
SPDIFI/EAPD VREFOUT-F_L
31
48 VREFOUT-E
SPDIFO
35
port D
FRONT-OUT-L
12 36
1u_10V_Y5V_06
PCBEEP FRONT-OUT-R
14
7.1CH HP_OUT_L
port E FR_HP-L
15
HP_OUT_R
FR_HP-R
JD_SENSE_A 13
Sense A
JD_SENSE_B 34 43
port G
Sense B CENTER
44
LFE
37
NC
29 45 SIDE_L_C
ANALOG port H
LDO_IN SIDE-L
46 SIDE_R_C
SIDE-R
16
port F
17 MIC2-L 33
CAP
MIC2-R CAP
18 40
CD-L JDREF
19
20 CD-GND 23
C489
CD-R port C 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
*RB751S-40C2 3.3VS
A
3.3VS
U22C
74LVC08PW U22D
9
74LVC08PW
8 12
10 11 SPK_EN
3.3VS
13
3.3VS
U22A
74LVC08PW
1
R424 100K_04
3
2 U22B
74LVC08PW
4
6 HP_EN G
R472 10M_04 5 Q47
3.3VS
MTN7002ZHS3
R442 0_04
R419 0_04
L90
Layout note :
HCB1608KF-121T25 GND a nd 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
12/07
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 4.7u_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 4.7u_6.3V_X5R_06
AUDIO_CEN 36
LEF_OUT 36
BluRay content
D03-1013J
Close to codec Add 4.7u
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
Layout note:
Headphone°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 36,54
SIDE_L 54
SIDE_R 54
HP-L 54
HP-R 54
AUDG