Service manual

Schematic Diagrams
Codec888, Subwoofer, DMIC B - 33
B.Schematic Diagrams
Codec888, Subwoofer, DMIC
Sheet 32 of 52
Codec888,
Subwoofer, DMIC
D03
(1)MIC1-L (U13.21) (2)MIC1-R (U13.22)
(3)LINE-L (U13.23) (4)LINE-R (U13.24)
port G
40mil
GND
The cut-off frequency Fcut
Fcut = 1 / (2 * Pi * (CA)
* (RA))
port C
Layout Note:
BEEP
Z3124
Z3125
port D
Vo=Vref*(R2+R1)/R2
R2
Layout Note:
Very close to CODEC
DIGITAL
MIC
port A
Max: 0.5inch
R1
SUBWOOFER+
port H
SUBWOOFER-
Z3115
Layout Note:
port E
Z3114
485.4 Hz Low Pass Filter
40mil
Vref=1.215V
GND
GND and AUDG space is
60mils ~ 100mils
port F
4ohm
port B
U43 pin 1 ~ pin 11 and pin 47 and pin 48
are Digital signals.
The others are Analog signals.
2W
HP-R
SUBWOOFER
SUBWOOFER
5V4,17,22,25,29,35..42
5VS12,17,18,21..24,26,27,31,33,34,36,41
3VS7..9,12,13,15..28,30,31,33,34,36,37,40,41
Layout note:
HP-L
Fcut(-3db)=485.4Hz
Layout note:
Z3111
Z3112
Z3128
C910 47P_04
Z3116
C909 47P_04
Z3132
R236 1K_04
C253
10u_10V_Y5V_08
DIGITAL
ANALOG
U18
ALC 888-VC2-GR
DVDD1
1
GPIO0/DMIC-CLK
2
GPIO1/DMIC-DATA
3
DVSS1
4
SDATA-OUT
5
BIT-CLK
6
DVSS2
7
SDATA-IN
8
DVDD2
9
SYNC
10
RESET#
11
PCBEEP
12
Sense A
13
LINE2-L
14
LINE2-R
15
MIC 2-L
16
MIC 2-R
17
CD-L
18
CD-GND
19
CD-R
20
MIC 1-L
21
MIC 1-R
22
LINE1-L
23
LINE1-R
24
AVSS1
26
VREF
27
MIC1-VREFO-L
28
LINE1-VREFO
29
MIC 2-VREFO
30
LINE2-VREFO
31
MIC1-VREFO-R
32
N.C.
33
Sense B
34
FRONT-OUT-L
35
FRONT-OUT-R
36
PIN37-VREFO
37
SURR-OUT-L
39
JDREF
40
SURR-OUT-R
41
AVSS2
42
CENTER
43
LFE
44
SIDE-L
45
SIDE-R
46
SPDIFI/EAPD
47
SPDIFO
48
AVDD2
38
AVDD1
25
R200 7.5K_04
C256 0. 1u_10V_X7R_04
L68
HCB1608KF-121T25
SUBW OOFER+
SUBW OOFER-
C309
10u_10V_Y 5V_08
R252 4.7K_04
R213 75_1%_04
C328 0.1u_16V_Y 5V_04
J_DMIC1
85204-04001
1
2
3
4
Z3107
U16
TPA6211A1DGNR
IN-
4
IN+
3
BYPASS
2
SD#
1
VO+
5
VO-
8
VDD
6
GND
7
THERNAL_PAD
9
Z3109
C232 3300p_50V_X7R_04
R254
*1.6K_1%_04
Z3110
C274 4. 7u_6.3V_Y 5V_06
R16
*15.8K_1%_04
Z3108
C285 4.7u_6.3V_Y5V_06
L65 HCB1005KF-121T20
R18 0_04
R255 47K_04
C268 4. 7u_6.3V_Y 5V_06
C288
680p_50V_X7R_04
C186 0.1u_16V_Y 5V_04
D03
C335 *22p_50V_NPO_04
C918
*10u_10V_Y5V_08
C336
0.1u_16V_Y 5V_04
C231 3300p_50V_X7R_04
R260 22_04
L56
HCB1005KF-121T20
R243
2.2K_04
C250 0.1u_16V_Y 5V_04
C331 1u_10V_06
L43 FCM1005KF-121T03
R218 75_1%_04
L49 FCM1005KF-121T03
C334
0.1u_16V_Y5V_04
C333
10u_10V_Y 5V_08
C188 0.1u_16V_Y 5V_04
C321
*0.1u_16V_Y5V_04
C215
0. 1u_16V_Y5V_04
C306
680p_50V_X7R_04
R201 7.5K_04
C257
0.1u_10V_X7R_04
C304
1u_10V_06
C332 1u_10V_06
R713 0_04
C297
2.2u_16V_X5R_06
R234
2.2K_04
R226 1K_04
C300 0.1u_16V_Y 5V_04
C254
0.1u_16V_Y5V_04
C319 1u_10V_06
C292 4.7u_6.3V_Y5V_06
L67 HCB1005KF-121T20
C287
*0.1u_16V_Y5V_04
C320 *100p_50V_N PO_04
R190 20K_1%_04
C919 *10u_10V_Y5V_08
C56
0.1u_16V_Y 5V_04
R253
*8.2K_1%_04
U20
*APL5317-12BI-TRG
VIN
1
GND
2
EN
3
SET
4
VOUT
5
R250
10K_04
C217
10u_10V_Y5V_08
AUDG
AUDG
AUDGAUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
LEF_OUT_C
AUDIO_CEN_C
HP_OUT_R
HP_OUT_L
Z3104
MIC 1-L
R712 0_04
SIDE-L_C 33
SIDE-R _C 33
FRONT_R 33
FRONT_L 33
R710 *0_04
Z3131
C255 1u_16V_X5R_06
Z3113
DMIC_DATA
SPDIF-OUT21,36
AUDIO_CEN_C 33
HDA_SDIN016
D03
SPK_EN33
MIC1-L36
MIC 1-R36
HDA_BIT_CLK16
ICHSPK16
KBC_BEEP28
HDA_RSTB16,33
HDA_SDOUT16
MIC1-VREFO-L
MIC 1-VREFO-L
DMIC_CLK
DMIC_DATA
3.3VS_DMIC
L105
HCB1608KF-121T25
D02
Z3105
Z3106
Z3129
JD_SENSE_A36
JD_SENSE_B36
MIC 2-VREF
LINE-I N_R 36
LINE-I N_L 36
HDA_SYNC16
C905 4.7u_6.3V_Y 5V_06
C906 4.7u_6.3V_Y 5V_06
Z3127
R696 75_1%_04
JD_SENSE_A
R695 75_1%_04
Z3126
MIC 1-VREFO-R
SURR_R 36
SURR_L 36
R197 7.5K_04
5VS_SUBW
5VS
VREF_CODEC
5VS_AUD
3VS
5VS
3.3VS_AUD
3VS
3.3VS_DMIC
EAPD33
LEF_OUT33
D03
D03
Z3103
JD_SENSE_B
LEF_OU T_C 33
MIC1-VR EFO-R
MIC1-R
J_SUBWUF1
85204-02001
1
2
L99 FCM1005KF-121T03
Z3122
Z3123
L100 FCM1005KF-121T03
MIC 1-L
MIC 1-R
HP_OUT_L 33
HP_OUT_R 33
L108 *H CB1005KF-121T20
5VS_AUD
Z3101Z3117