Codec, Subwoofer, Dmic - EUROCOM X8100 Service Manual

Codec, Subwoofer, DMIC

R 4 0 0 _ 04 3 . 3 V S
3 . 3 V S 3 . 3 V S _ D M I C
L 33
R 4 1 C 8 2
DIGITAL
C 3 34
*1 5 . 8 K _ 1% _ 0 4 0 . 1u _ 1 6V _ Y 5V _ 0 4
* 0 . 1u _ 1 6V _ Y 5V _ 0 4
MIC
3 . 3V S _D MI C
J _ D M I C
C 58 8 *C _0 4
1
R 51 5 0 _ 0 4 D MI C _C LK
2
R 51 6 0 _ 0 4 D MI C _D A T A
3
C 58 9 *C _0 4
4
8 5 2 04 -0 4 00 1
1 2 H D A _ S D O U T
1 2 H D A _B I T C LK
1 2 H D A _ S D I N 0
1 2 H D A _ S Y N C
Re v _3. 0
12 , 2 7 H D A _R S T #
3 3 E A P D
1 0 , 32 S P D I F _ OU T
C 34 4 1 u _ 10 V _ 0 6 B E E P R 2 6 4 4 7K _ 0 4
3 1 K B C _ B E E P
C 34 0 1 u _ 10 V _ 0 6 R 2 6 5 4 . 7K _0 4
1 2 H D A _ S P K R
C 3 3 3 * 1 00 p _ 50 V _ N P O _ 04
A U D G
M I C 1 -L R 2 5 3 1 K _ 0 4
32 M I C 1 -L
M I C 1 -R
R 2 5 4 1 K _ 0 4
3 2 MI C 1-R
La yo ut N ot e:
Ve ry c los e to CO DE C
MI C 1-V R E F O-L MI C 1-V R E F O-R
R 24 4 R 24 3
2 . 2 K _ 04 2 . 2 K _0 4
MI C 1-L MI C 1-R
C 29 8 C 29 7
6 8 0p _ 5 0V _ X 7 R _ 0 4 6 8 0p _ 5 0V _ X 7 R _ 0 4
A U D G A U D G
S E N S E _A
R 2 52 1 0 K _ 1% _ 0 4
3 2 L I N E _S E N S E
R 2 55 2 0 K _ 1% _ 0 4
3 2 MI C _S E N S E
R 2 60 3 9 . 2 K _1 % _ 04
32 H P _S E N S E
L ay ou t No te :
U 43 p in 1 ~ pin 1 1 and p in 47 a nd pi n 48
a re D igi ta l sig na ls .
T he o the rs a re An al og si gn als .
L ay ou t No te :
( 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 )
? ? ? ? ? ? A UDG , ? ? ? ? ? ? ?
+ 5V S & + VI N pla ne .
3 . 3V S _ A U D 5 V S _ A U D
40mil
H C B 10 0 5 K F -1 21 T 2 0
C 33 1 C 3 35 C 3 3 7 C 30 4
1 0 u_ 1 0 V _Y 5 V _0 8 0 . 1 u _1 6 V _ Y 5 V _ 04 0. 1 u _ 16 V _ Y 5 V _ 0 4 0 . 1 u_ 1 6 V _Y 5 V _0 4
U 26
2
GP I O0 / D M I C -C LK
3 2 7
GP I O1 / D M I C -D A TA V R E F
C 3 3 6 * 22 p _5 0 V _ N P O _0 4
5 2 8
S D A TA -O U T M I C 1 -V R E F O-L
6 3 2
B I T -C L K MI C 1 -V R E F O-R
R 26 2 2 2 _0 4 8
S D A TA -I N
1 0 DIGITAL 3 9
port A
S Y N C S U R R -O U T -L
1 1 4 1
R E S E T# S U R R -OU T-R
Max: 0.5inch
4 7 3 0
S P D I F I / E A P D MI C 2 -V R E F O
3 1
LI N E 2 -V R E F O
4 8
S P D I F O
3 5
port D
F R ON T-O U T -L
C 3 3 2 1 u _1 0 V _ 06 1 2 3 6
P C B E E P F R O N T -OU T-R
1 4
port E
L I N E 2 -L
1 5
L I N E 2-R
S E N S E _ A 1 3
S e n se A
S E N S E _ B 3 4 4 3
S e n se B port G C E N TE R
4 4
L F E
3 7
P I N 37 -V R E F O
2 9 4 5
ANALOG
L I N E 1 -V R E F O port H S I D E -L
4 6
S I D E -R
1 6
port F
MI C 2 -L
1 7 3 3
MI C 2 -R N . C .
1 8 4 0
C D -L J D R E F
1 9
C D -GN D
2 0 2 3
port C
C D -R L I N E 1 -L
2 4
L I N E 1-R
C 32 4 4. 7 u _ 6. 3 V _ Y 5 V _ 0 6 2 1
port B
MI C 1 -L
C 32 0 4. 7 u _ 6. 3 V _ Y 5 V _ 0 6 2 2
MI C 1 -R
A L C 8 8 8 -V C 2 -GR
A U D G
SUBWOOFER 2W 4ohm
? ? ? ?
The cut-off frequency Fcut
Fcut = 1 / (2 * Pi * (CA)
* (RA))
Fcut(-3db)=485.4Hz 485.4 Hz Low Pass Filter
C 3 0 8 8 2 00 p _ 50 V _ X 7R _ 06
Z 2 22 0
C 3 0 9 8 2 00 p _ 50 V _ X 7R _ 06
C 3 2 7
0 . 2 2u _ 1 0V _ Y 5V _ 0 4
L E F _ OU T
R 2 5 0 2 0 K _0 4
U 2 5
C 3 2 6 4 5
I N - V O+
R 2 4 9 2 0 K _0 4 3
I N +
8
V O -
0. 2 2 u _1 0 V _ Y 5 V _ 04 C 3 1 5 1 u _1 0 V _ 06 2
A U D G B Y P A S S
6
Re v _3. 0
V D D
1 7
2 7 S P K _ E N S D # GN D
T P A 6 21 1 A 1 D G N R
A U D G
A U D G
S U B W O OF E R +_ C
Re v_ 3. 0
R 5 2 9 *2 0 m i l _ P _ 04 S U B W O OF E R -_C
R 5 2 8 *2 0 m i l _ P _ 04
L 3 4
H C B 16 0 8 K F -1 21 T 25
La yout not e:
G ND a nd AUD G spa ce is
6 0mi ls ~ 10 0mi ls
A U D G
Vo =V ref *( R2 +R1 )/ R2
Vr ef =1. 21 5V
L 3 2
40mil Re v_ 3. 0 U 2 7
6
V OU T
R1 R3
C 3 1 3 C 3 1 0 R 5 24 4
P G
R 2 5 7
* 8. 2 K _ 1 %_ 0 4
*0 . 1 u _1 6 V _ Y 5 V _ 04 10 u _ 10 V _ Y 5 V _ 0 8 5
A D J
3 K _1 % _ 04
A ME 8 8 0 4
R 5 2 5
R4 ( AP L 53 1 7 )
A U D G
R2
C 3 2 8 *1 . 6 K _ 1% _ 0 4
2. 2 u _ 16 V _ X 5R _ 06 R 2 6 3
V R E F _ C OD E C
C 3 0 2 1 K _1 % _ 04
1 0 u _1 0 V _ Y 5 V _ 08 A U D G
V o=0 .8 *( 1+R 3/ R4 )
? ? APL5 317 -1 2BI -TRG
MI C 1-V R E F O-L A U D G A U D G A U D G
MI C 1-V R E F O-R
R 3=8 .2 K, R4 =1 .6 K,
V o=4 .9 0V
H P _ OU T_ L
R 24 7 *2 0m i l _P _ 0 4
H P -L 3 2
H P _ OU T_ R R 25 1 *2 0m i l _P _ 0 4
H P -R 32
MI C 2-V R E F
R2 57 , R 52 4,
NO TE :
R2 63 R 52 5
F R ON T_ L 2 7
F R ON T_ R 27
AM E8 80 4 V X
A U D I O_ C E N 2 7
L E F _ OU T
S I D E -L
AP L5 31 7 X V
S I D E - L 2 7
S I D E -R
S I D E - R 2 7
R 24 8 2 0 K _1 % _ 04
A U D G
C 3 1 4 4 . 7 u_ 6 . 3 V _ Y 5 V _ 06 R 2 58 7 5 _1 % _ 04
L I N E -I N _ L 32
C 3 1 2 4 . 7 u_ 6 . 3 V _ Y 5 V _ 06 R 2 59 7 5 _1 % _ 04
L I N E -I N _ R 3 2
La yout note :
He a dphone ? ? ? ? > 1 0mi ls
? ? phone ja ck ? ?
? ? ? ? ? ? ?
G ND
HP -L
R/ L? ? ? ? GND? ? ? ? 3 *? ?
HP -R 3* R/ L? ?
G ND
REAR R/L
L 13 F C M 10 0 5 K F -1 21 T 03
2 7 S I D E _L O +
2 7 S I D E _ L O-
L 12 F C M 10 0 5 K F -1 21 T 03
5 V S
L 1 F C M 10 0 5 K F -1 21 T 03
27 S I D E _ R O +
2 7 S I D E _R O-
S U B W OO F E R + _ C
L 3 0
H C B 1 0 05 K F -1 2 1T 2 0 L 2 F C M 10 0 5 K F -1 21 T 03
S U B W OO F E R -_ C
5 V S _ S U B W
L 3 F C M 10 0 5 K F -1 21 T 03
C 3 2 3 C 31 6 S U B W OO F E R +
S U B W OO F E R -
0 . 1u _ 1 6V _ Y 5V _ 0 4 1 0 u_ 1 0 V _Y 5 V _0 8
L 4 F C M 10 0 5 K F -1 21 T 03
SUBWOOFER
R 2 4 1 * 20 m i l _ P _ 0 4 S U B W OO F E R +
R 2 4 2 * 20 m i l _ P _ 0 4 S U B W OO F E R -
3. 3 V S 3 , 8 . . 1 2, 1 4 , 1 6. . 24 , 2 7 . . 35
5V S 10 , 1 1 , 19 . . 2 1 , 23 . . 2 5 , 2 7, 3 2 . . 3 5
Schematic Diagrams
* H C B 1 0 0 5K F -12 1 T 20
1 R 2 56
V I N 5 V S
1 0 K _ 04
3
( S E T ) E N
2
( N C ) GN D
C 33 0
1 u _1 0 V _ 0 6
R 5 27 R 5 26
0_ 0 4 * 0 _0 4
A U D G
Re v_ 3. 0
P AC KA GE
V IN 1 6 VOUT
G ND 2 5 ADJ Sheet 26 of 55
EN 3 4 PG
Codec, Subwoofer,
V IN 1 5 VOUT
G ND 2
SHD N# 3 4 SET
DMIC
J _ S I D E L
1
2
8 5 2 04 -0 2 00 1
J _S I D E S U B
1
2
3
4
8 52 0 5 -04 0 0 1
Codec, Subwoofer, DMIC B - 27