Service manual

Schematic Diagrams
Codec, Subwoofer, DMIC B - 27
B.Schematic Diagrams
Codec, Subwoofer, DMIC
? ? AP L5 317 -1 2BI -T RG
R 3=8 .2 K, R4 =1 .6 K,
V o=4 .9 0V
SUBWOOFER
R5 27
0_04
R526
*0_04
( 1) MI C1- L ( U13 .2 1) ( 2) MI C1- R (U 13 .2 2)
( 3) LI NE- L (U 13. 23 ) ( 4) LI NE- R (U 13. 24 )
? ????? AUDG, ???? ???
+5VS & +VIN plane.
Layout Note:
R529 *20m il_P_04
R528 *20m il_P_04
Re v_ 3. 0
The cut-off frequency Fcut
Fcut = 1 / (2 * Pi * (CA)
* (RA))
B EEP
Z2220
SU BWOO FER+_ C
SU BWOO FER-_C
port H
port F
DIGITAL
MIC
SIDE-L
port D
SIDE-R
Max: 0.5inch
port B
port E
port C
port G
port A
AU DG
Re v_ 3. 0
SENSE _A
Headphone???? > 10mils
? ? phone jack? ?
???????
R/L????GND????3*??
Layout note:
GND
GND
R253 1K_04
C302
10u_10V_Y5V_08
HP -R
HP -L
L13 FCM 1005KF-121T03
R 25 1 * 2 0m i l _P _ 0 4
3* R/ L? ?
DIGITAL
ANALOG
U26
AL C88 8 -VC2 -GR
DVDD1
1
GPI O0 /DM IC-C LK
2
GPI O1 /DM IC-D A TA
3
D VSS1
4
SDA TA-O UT
5
BIT-CLK
6
DVSS2
7
SDA TA-IN
8
DVD D2
9
SYN C
10
RES ET#
11
PCB EEP
12
Sense A
13
LINE2-L
14
LINE 2-R
15
MIC 2 -L
16
MIC 2 -R
17
CD -L
18
CD -GN D
19
CD -R
20
MIC 1 -L
21
MIC 1 -R
22
LINE1-L
23
LINE 1-R
24
A VSS1
26
VR EF
27
M IC1 -VRE F O-L
28
LINE1-VR EFO
29
MIC 2 -V RE F O
30
LI N E 2 - V R E F O
31
MIC1 -V R E F O-R
32
N.C .
33
Sense B
34
FR ON T-O UT-L
35
FRO NT-OU T-R
36
PIN 37-VR EFO
37
SU RR-O UT-L
39
JDR EF
40
SU RR -OU T-R
41
AVSS2
42
CEN TER
43
LFE
44
SID E-L
45
SIDE-R
46
SPD IFI/EAPD
47
SPD IFO
48
AVD D2
38
AVDD1
25
R249 20K_04
C3 2 6
0.22u_10V_Y5V_04
L34
HC B1608KF-121T25
SU BWOO FER+
SU BWOO FER-
C31 0
10u_10V_Y5V_08
R 2 6 5 4 . 7K _0 4
R259 75_1%_04
J_DM IC
85204-04001
1
2
3
4
U25
TPA621 1A1DG NR
IN-
4
IN+
3
BYPASS
2
SD#
1
VO+
5
VO -
8
VDD
6
GND
7
THER NAL_PAD
9
C 3 0 8 8 2 00 p _ 50 V _ X 7R _ 06
R26 3
1K_1%_04
C314 4.7u_6.3V_Y5V_06
R4 1
*15.8K_1%_04
C315 1u_10V_06
C 320 4.7u_6.3V_Y5V_06
L32 * HCB1005KF -121T20
R40 0_04
R255 20K_1%_04
R264 47K_04
C312 4.7u_6.3V_Y5V_06
C297
680p_50V_X7R_04
J_SID ESUB
85205-04001
1
2
3
4
R241 * 20m il_P_04
C336 * 22p_50V_NPO _04
C33 7
0.1u_16V_Y5V_04
C 3 0 9 8 2 00 p _ 50 V _ X 7R _ 06
R262 22_04
L30
H CB1005KF-121T20
R244
2.2K_04
C 344 1u_10V_06
L4 FCM 1005KF-121T03
L2 FCM 1005KF-121T03
R 24 7 * 2 0m i l _P _ 0 4
R258 75_1%_04
L3 FCM 1005KF-121T03
C335
0.1u_16V_Y5V_04
R252 10K_1%_04
C331
10u_10V_Y 5V_08
C334
*0.1u_16V_Y 5V_04
C3 2 3
0.1u_16V_Y 5V_04
C298
680p_50V_X7R_04
R250 20K_04
C3 2 7
0.22u_10V_Y 5V_04
L12 FCM 1005KF-121T03
C330
1u_10V_06
C 340 1u_10V_06
C32 8
2.2u_16V_X5R _06
R243
2.2K_04
R254 1K_04
C304
0.1u_16V_Y 5V_04
C332 1u_10V_06
C 324 4.7u_6.3V_Y5V_06
R260 39.2K_1%_04
R242 * 20m il_P_04
L33 HC B1005KF-121T20
C3 1 3
*0.1u _16 V_ Y5 V_04
C333 * 100p_50V_NPO _04
R 248 20K_1% _04
J_SIDEL
85204-02001
1
2
C8 2
0.1u_16V_Y 5V_04
R25 7
3K_1%_04
U2 7
AME8804
VIN
1
GN D
2
EN
3
PG
4
ADJ
5
VOUT
6
R256
10K_04
C316
10u_10V_Y 5V_08
L1 FCM 1005KF-121T03
AU DG
AU DG
AUD GAUD G
AU DG
AUD G
AU DG
AUD G
AUD G
AUDGAUD G
AU DG
AU DG
LEF_OU T
HP_OU T_L
HP_OU T_R
MIC 1-L
SIDE- L 2 7
SIDE- R 2 7
FR ON T_L 27
FR ON T_R 27
R5 24
*8.2K_1%_04
R52 5
*1.6K_1%_04
(AP L 53 1 7 )
(N C )
(SE T )
AUDG
SPD IF_OU T10,32
HP-L 3 2
HP-R 32
HDA_SDIN012
AUD IO_ CE N 27
5VS 10,11,19..21,23..25,27,32..35
3.3VS 3,8..12,14,16. .24,27..35
MIC _S E N S E32
LIN E_S ENSE32
H P_S ENSE32
Re v_ 3. 0
SID E_LO +27
SID E_R O-27
SID E_RO +27
SPK_EN27
MIC 1-R32
MIC1-L32
SIDE_L O-27
HDA _BIT C LK12
KBC_BEEP31
HD A_SPKR12
HD A_SDO UT12
HD A_R ST#12 , 2 7
V o=0 .8 *( 1+R 3/ R4 )
La yo ut N ot e:
Ve ry c los e to CO DE C
R2 57 ,
R2 63
AP L5 31 7
AM E8 80 4
NO TE :
MIC1-VREFO-L
MIC 1-VR EF O-L
40mil 40mil
U43 pin 1 ~ pin 11 and pin 47 and pin 48
are Digital signals.
T he o the rs a re An al og si gn als .
Layout Note:
????
485.4 Hz Low Pass Filter
Vo =V ref *( R2 +R1 )/ R2
Rev _3. 0
Vr ef =1. 21 5V
MIC 2-V R EF
R1
L INE-I N_R 32
L INE-I N_L 32
HD A_ SYN C12
EAPD33
LEF_OU T
SENSE_A
Rev _3. 0
MIC 1-VR EF O-R
2W
VREF_C ODE C
5VS_AU D
5VS_SUB W
5VS
3.3VS _D MIC
3.3VS
5VS
3.3VS 3.3VS_AU D
3.3VS_DM IC
R2
R 515 0_04
R 516 0_04
C588 *C_04
SENSE_B
C589 *C_04
D M I C _C LK
DMIC_DATA
MIC 1-R
MIC1-VREFO-R
Fcut(-3db)=485.4Hz
REAR R/L
SU BWO OFER -_C
SU BWO OFER +_ C
SU BWOO FER -
SU BWOO FER +
SUBWOOFER
MIC1-L
MIC1-R
Layout note:
GND and AUDG space is
6 0mi ls ~ 10 0m i ls
R524,
R525
X
X
V
V
4ohm
5 VOUT
4 SETSHDN# 3
GN D 2
VI N 1
4 PG
6 VOUT
5 ADJ
PACKAGE
VI N 1
GN D 2
EN 3
R4
R3
Sheet 26 of 55
Codec, Subwoofer,
DMIC