Audio Codec Alc269 Via1802 - Clevo W150DAQ Service Manual

Schematic Diagrams

AUDIO CODEC ALC269 VIA1802

AU DI O CO DE C
ALC269 VB
VT1802P
PD# Control
3 3 K B C _ MU TE #
R 2 5 3
5 V S
Sheet 29 of 48
AZ_ RST# For 1 .5V
AUDIO CODEC
HDA Link De -pop
ALC269 VIA1802
23 , 2 6 A Z _ S D A T A _ OU T
23
23
23
3.3 VS_ AUD
5V S
AZ_RST#
PD#
Spe a ke r w ire le ngth l es s tha n 8 000 mil s , I t don't ne e d LC Fil te r.
SPKO UTR+ ,R- ,L+ ,L- Tra ce w i dt h
Spe a ke r 4 ohm- -- --- > 40 mil s
Spe a ke r 8 ohm- -- --- > 20 mil s
B - 30 AUDIO CODEC ALC269 VIA1802
For 1 .5 V HDA Link.
R 2 8 6 * 0_ 0 4
1. 5V S
For 3. 3V H DA Link .
R 2 8 5 *1 0 mi l _s h o rt
3 . 3 V S _ A U D
AZ_RS T# For 3. 3V
C 43 3
HD A Link De -pop
0712 1 0 u _1 0 V _ Y 5 V _ 08
3 . 3V S
L2 8 3 . 3 V S _ A U D
H C B 1 0 05 K F -1 2 1 T2 0
1 2
D 4 2 R B 7 5 1S -40 C 2
E A P D C A
5 V S
C 4 3 7 C 4 3 6
D 1 2 *R B 75 1 S -4 0C 2 R 2 8 8 0 . 1u _ 1 6V _ Y 5V _ 0 4 1 0u _ 1 0V _Y 5V _0 8
A Z _ R S T# C A
1 0K _0 4
D 1 1 R B 7 5 1S -40 C 2
C A
Q1 2 S P K OU T L+
* 10 0 K _ 04 G *2 N 70 0 2W S P K OU T L-
Pl e as e Le t LC Fi lte r
S P K OU T R -
t oge the r a nd cl ose to
Q 1 6 S P K OU T R +
A Z _R S T # G *B S S 1 3 8 _N L
Code c. IF Spe a ke r
E A P D
w i re l e ngt h is le ss S P D I F O
3 5 S P D I F O
t han 8 00 0mi ls It don't
ne e d the LC Fi lte r.
C 5 7 9 2 2 p_ 5 0V _N P O_ 0 4
A Z _S D OU T_ R
R 39 9 22 _ 04
A Z _B I T C LK _ R
R 40 2 22 _ 04
A Z _ B I T _ C L K
A Z _ S D I N 0 _ R
R 28 7 22 _ 0 4
23 A Z _ S D A TA _I N 0
A Z _ S Y N C _ R
R 64 2 22 _ 04
A Z _ S Y N C
A Z _ R S T# _ R
R 64 3 22 _ 04
A Z _ R S T#
B E E P _ R
Closed to SB.
D 15 C 4 78
B A T 5 4C S 3
1
A 1 u _ 6. 3 V _ X 5 R _ 04
3 3 K B C _B E E P
C 3 B E E P R 3 0 4 47 K _ 0 4 B E E P _C
2
A
2 3 S B _ S P K R
FO R VOLUMN
R 2 8 4 C 4 74
PC BEEP
AD JUST
4. 7 K _ 0 4 1 0 0 p_ 5 0 V _N P O_ 0 4
I N T _M I C R 8 0 0
20 ms
0712
I N T _ MI C
P V D D 1 _ 2
R 3 0 6 0 _0 6
C 4 82 C 4 8 0
10 u _ 10 V _ Y 5 V _ 0 8 0 . 1u _ 1 6V _ Y 5V _ 0 4
D V D D _ I O ALC269 V B & VT180 2P
L36,C534 ? ? ?
Val ue
C 48 3 C 4 81
5 V S _ A U D
* 1 0u _ 1 0V _ Y 5V _ 0 8 *0 . 1 u_ 1 6 V _Y 5 V _0 4
C 4 3 4
0 . 1 u _1 6 V _ Y 5 V _ 04
C 5 32 C 5 2 4 C 5 2 6
C 43 5 0 . 1 u _1 6 V _ Y 5 V _ 04 10 u _ 10 V _ Y 5 V _ 0 8 0 . 1u _ 1 6V _Y 5V _0 4
0 . 1 u _1 6 V _ Y 5 V _ 04
A U D G
U 1 3
P D # 4 13 S E N S E _ A R 3 0 5
P D # S e n s e A
14 R 3 0 1
4 0 LI N E 2 -L 15
S P K -L + L I N E 2 -R
4 1
S P K -L -
16
MI C 2_ L
MI C 2 -L
4 4 17 MI C 2_ R
S P K -R - M I C 2 -R
4 5
S P K -R +
18
S e n s e-B
VT 1802 P
4 7
S P D I F C 2/ E A P D
4 8 19 R 3 0 2
S P D I F O JD R E F
20
C 4 79
M ON O -OU T
2
GP I O 0
3 21
C 4 75 4 . 7 u _6 . 3 V _ X 5R _0 6
GP I O 1 MI C 1 -L
22 C 5 25 4 . 7 u _6 . 3 V _ X 5R _0 6
M I C 1 -R
DIGITAL
ANALOG
23
LI N E 1 -L
5 24
S D A T A -OU T L I N E 1 -R
6 27
B I T-C L K V R E F
8 28
S D A T A -I N LD O_ C A P 30
M I C 1 -V R E F O-R R 3 3 7 2 . 2K _0 4
M I C 1 -V R E F O-R
1 0 29 M I C 2 -V R E F O
S Y N C MI C 2-V R E F O
1 1 32 H E A D P H ON E -L
R E S E T # H P -O U T -L 33
H E A D P H ON E -R
H P -O U T -R
1 2
P C B E E P 35
C 5 3 1 2 . 2 u_ 6 . 3 V _Y 5 V _0 6
C B N
36
C B P
34
OP V E E
C 5 3 0
A L C 26 9 Q-V B 5 -G R 2 . 2 u_ 6 . 3 V _Y 5 V _0 6
A U D G
MI C 1 -V R E F O -L M I C 1 -L
A U D G R 3 3 8 2. 2 K _ 0 4
D 02 1 1/1
CLOSE TO CHIP
MI C 2 _L
C 4 7 7 4 . 7 u_ 6 . 3 V _X 5 R _ 0 6
1 K _ 1 %_ 0 4 C 4 7 6 4 . 7 u_ 6 . 3 V _X 5 R _ 0 6 MI C 2 _R F C M 1 00 5 K F -1 2 1T 0 3
S P K OU T L + 1
C 4 9 8
0 . 02 2 u _1 6 V _ X7 R
7/ 16
M I C 2 -V R E F O J_ INTM IC1
1
S P K OU T L-
2 1
VT 1802 P R 2 0 6 F C M1 0 0 5K F -12 1 T 03
J _SPK 1 L 6 6
2. 2K_0 4
4. 7 K _ 0 4
J _I N T MI C 1
2 1
R 2 07 1K _1 % _ 04
2
1
V T180 2P C 3 5 2
S P K O U T R +
3 30P
68 0 p _5 0 V _ X7 R _0 4 8 82 6 6 -02 0 0 1
P C B F oo t p ri nt = 8 8 26 6 -2 R S P K O U T R -
7 5 C o m p o n e n t .
5 V S
L ay ou t No te :
V er y clo se t o Aud io C ode c
7/31
ANA LO G DIG ITAL
L 37 1 H C B 1 0 0 5K F - 12 1 T2 0
L3 6 5 V S
D02 1 1/1
H C B 1 0 05 K F -1 2 1 T2 0
1 2
J P 2
C 53 4 C 5 33
1 0 u_ 1 0 V _ Y 5 V _ 08 1 u _ 6. 3 V _ X 5R _ 04 J P 1
Bug#34
A U D G C 5 3 5
2 0K _ 1 % _0 4 MI C _ S E N S E C 5 2 3
M I C _ S E N S E 35
3 9. 2 K _ 1 %_ 0 4 H P _ S E N S E
H P _S E N S E 3 5
R430 ; R431 ; R432
Close to Codec
EMI Require
5. 1K_1%_04
2 0 K _ 1% _ 0 4
*1 0 0p _ 5 0V _ N P O_ 0 4
MI C 1-L
R 3 0 3 1 K _ 0 4
M I C 1 -L 3 5
R 3 3 6 1 K _ 0 4 MI C 1-R A U D G
M I C 1 -R 3 5
C 5 2 8 0 . 1 u_ 1 6 V _Y 5 V _0 4
C 5 2 7 2 . 2 u_ 6 . 3 V _X 5 R _ 0 6
VT1802P 10u
MI C 1 -R
D02 11/1 C 5 2 9 1 0 u_ 1 0V _Y 5V _0 8
VT1802P NC PIN
H E A D P H ON E -L 3 5
H E A D P H ON E -R 3 5
A U D G
L 65
J _ S P K L 1
2 S P K O U T L +_ L
2
1
C 75 3
8 5 2 05 -0 2 70 1
C 7 5 4
1u _ 6 . 3V _X 5 R _ 0 4
2
S P K O U T L -_L
C 7 5 5
1 8 0p _ 50 V _ N P O_ 04
S P K OU TR + 35
S P K OU TR - 3 5
2
A U D G
*1 0 m i l _ sh o rt
*1 0 m i l _ sh o rt
0 . 1u _ 1 6V _ Y 5V _ 0 4
0 . 1u _ 1 6V _ Y 5V _ 0 4
A U D G