Audio Codec Alc269 - Clevo W170HN Service Manual

Schematic Diagrams

Audio Codec ALC269

CODEC (ALC269 & VT1802P)
PD# Control
1 8 H D A _R S T #
3 4 K B C _ MU TE #
5V S _A U D
AZ_RS T# For 1 .5V
HD A Link De -pop
Sheet 33 of 49
Audio Codec
ALC269
1 8 H D A _S D OU T
1 8 H D A _B I T C LK
1 8 H D A _S Y N C
3. 3VS_ AUD
B - 34 Audio Codec ALC269
R 3 5 6 * 0_ 0 4
1 . 5V
For 1 .5 V HD A Link .
R 3 4 1 0 _ 0 4
3 . 3 V S _ A U D
For 3 .3 V HD A Link .
AZ_R ST# For 3 .3V
3 . 3 V S L2 7 3 . 3V S _A U D
HD A Link De -pop
H C B 1 0 05 K F - 12 1 T 20
5 V S _ A U D
D 1 4 R B 7 51 S -4 0 C 2
C A
C 43 8 C 4 42
R 3 21
D 1 2 * C D B U 0 0 3 40 0 . 1 u _1 6 V _ Y 5 V _ 04 1 0 u _6 . 3 V _ X 5R _0 6
E A P D _ MOD E C A
10 K _ 0 4
D 1 3 R B 7 51 S -4 0 C 2
C A
Q 20
R 32 9 *1 0 0 K _0 4 G *2 N 7 0 02 W
Q2 1
H D A _R S T # G *B S S 13 8 _ N L
3 . 3 V
Layout Note: Layout Note: 2 7 S P D I F O
C lo se t o P CH V ery c lo se t o
R 3 3 8
A udi o Co de c
C 4 52 2 2p _ 5 0V _N P O_ 0 4 *1 0 K _ 0 4 R 34 2 3 3_ 0 4
18 H D A _ S D I N 0
R 3 34 3 3_ 0 4
R 3 39 3 3_ 0 4
D S
R 3 57 3 3_ 0 4 Q 23
M TN 7 00 2 Z H S 3
FOR VOLUM N
3 . 3 V S
ADJU ST
D 1 6 R 37 2 4 7 K _ 04 B E E P _ R
PC BEEP
B A T 5 4C W G H
1
A R 36 4 4 . 7 K _ 04 C 4 92
3 4 K B C _ B E E P
C 3 B E E P
2
A C 4 9 1 1 0 0p _ 5 0 V _N P O_ 0 4
1 8 H D A _S P K R
Ple a se Le t LC Fil te r
toge the r a nd close to
Codec .I F Spe ak e r
w ire le ngth i s l e ss
5 VS
tha n 80 00 mil s I t don't
2 0ms
nee d t he LC Fil te r.
AZ_R ST#
PD # S P K OU TL +
Spe a ke r w i re le ngt h le ss tha n 8 000 mi ls , I t don't nee d LC Filt e r.
SP KOUTR+, R-, L+ , L- Tra ce w i dt h
S P K OU T L-
Spe a ke r 4 ohm-- -- --> 40 mil s
Spe a ke r 8 ohm-- -- --> 20 mil s
S P K O U T R +
S P K O U T R -
P V D D 1 _ 2 R 3 12
* 1 5m i l _ s h o rt _0 6
D V D D _ I O C 43 9 C 6 9 6
0 . 1 u_ 1 6 V _ Y 5 V _ 04 10 u _ 6 . 3V _ X 5 R _ 0 6
C 4 7 3 C 4 74
1 0u _ 6 . 3V _X 5 R _ 0 6 0 . 1 u _ 16 V _ Y 5 V _ 0 4
C 44 1 C 43 7
* 0. 1 u _ 16 V _ Y 5 V _ 0 4 * 10 u _ 6. 3V _ X 5 R _ 0 6
C 4 4 4
C 44 0 C 4 9 3
0 . 1u _ 1 6 V _Y 5 V _0 4
0 . 1 u _1 6 V _ Y 5 V _ 0 4 0 . 1u _ 1 6V _Y 5 V _0 4
P D #
U 3 4
4 1 3 S E N S E _ A
R 3 6 8
P D # S e ns e A
1 4 L I N E 2 -L
R 3 6 9
L I N E 2 -L
S P K O U T L + 4 0 1 5 L I N E 2 -R
S P K -L+ L I N E 2 -R
4 1
S P K O U T L -
S P K -L-
1 6 MI C 2_ L C 5 1 0
4 4 M I C 2 -L 1 7
S P K O U T R - MI C 2_ R C 5 1 1
S P K -R - MI C 2 -R
S P K O U T R + 4 5
S P K -R + 1 8
S E N S E -B VT1 802P 5.1K _1%_0 4
S e ns e -B
E A P D _ M OD E 4 7
4 8 S P D I F C 2/ E A P D 1 9
J D R E F
S P D I F O J D R E F
2 0 MO N O -OU T
2 M ON O-O U T
D MI C - D A T
G P I O0 -D MI C -D A T
D MI C - C L K 3 2 1 MI C 1 -L _R
C 5 1 2
G P I O1 -D MI C -C L K M I C 1 -L 2 2
MI C 1 -R _ R C 5 1 3
MI C 1 -R
DIGITAL AN ALOG
2 3
L I N E 1 -L
L I N E 1 -L
A Z _ S D O U T _ R 5 2 4 L I N E 1 -R
S D A T A -OU T L I N E 1 -R
A Z _ B I T C L K _ R 6 2 7 V R E F -A L C 2 6 9
6 -03-026 95-030
B I T -C LK V R E F
A Z _ S D I N 0_ R 8 2 8 L D O _C A P
S D A T A -I N L D O _C A P
3 0 M I C 1 -V R E F O-R
M I C 1 -V R E F O -R
A Z _ S Y N C _ R 1 0 2 9 M I C 2 -V R E F O
S Y N C MI C 2 -V R E F O
H D A _R S T # 1 1 3 2 H E A D P H ON E -L
R E S E T # H P - OU T -L
3 3 H E A D P H ON E -R
H P -OU T -R
1 2
P C B E E P
P C B E E P
3 5 C B N -A L 2 69 C 4 43
C B N
1 u_ 6 . 3 V _ X5 R _0 4
3 6 C B P -A L C 2 6 9
C B P 3 4
OP V E E -A L C 2 6 9
O P V E E
A L C 2 6 9Q -V B 5 -GR
MI C 1 -V R E F O -L
A U D G
A U D G
The rma l Pa d pla ce 9
Via hole .
L 3 1
* F C M 1 60 8 K -1 2 1T 0 6 _s h o rt
S P K O U T L +_ L
C 4 3 2 C 43 5
*1 u_ 1 6 V _ X5 R _0 6 * 18 0 p _5 0 V _ N P O _ 04
J _S P K L1
2
S P K O U T L -_L
1
* F C M 1 60 8 K -1 2 1T 0 6 _s h o rt 8 52 0 5 -02 7 0 1
L 3 0 C 4 3 4
*1 8 0 p_ 5 0 V _ N P O _0 4
EMI Require
S P K OU T R + _ R 2 7
L 2 8
S P K OU T R -_ R 2 7
* F C M 1 60 8 K -1 2 1T 0 6 _s h o rt
S P K O U T R + _ R
C 4 3 1 C 43 6
*1 u_ 1 6 V _ X5 R _0 6 * 18 0 p _5 0 V _ N P O _ 04
J_S PK1
2 1
S P K O U T R -_ R
* F C M 1 60 8 K -1 2 1T 0 6 _s h o rt
L 2 9 C 4 3 3
*1 8 0 p_ 5 0 V _ N P O _0 4
La y out note :
2 , 3 , 8, 11 , 1 2 , 16 , 1 8 , 1 9, 2 0 , 2 2, 23 , 2 4 , 25 , 2 7 , 2 8, 2 9 , 3 0, 3 5 , 3 7 , 38 , 3 9
C lose t o code c
3 , 6, 9 , 1 0 , 1 1, 1 2 , 1 8 , 19 , 2 0 , 21 , 2 2 , 2 3, 2 4 , 2 5, 27 , 2 8 , 29 , 3 0 , 3 1, 3 2 , 3 4, 3 5 , 3 9
La yout not e:
GND a nd AUDG spa ce i s
5 V S
60m il s ~ 1 00 mil s
VT180 2P ? ? ?
5V S _A U D 5 V S
L3 4
H C B 1 0 05 K F -1 2 1 T2 0
C 5 01 C 69 5 C 4 9 7
1 0 u _ 6. 3 V _ X 5R _ 06 *1 0 u _ 6. 3 V _ X 5R _ 06 1 u_ 6 . 3 V _ Y 5 V _ 04
ANALOG DIG ITAL
A U D G
EMI Require
2 0 K _1 % _ 04
J D _S E N S E 2 7
3 9 . 2K _ 1 % _ 04 L 3 5
J D _S E N S E _ B 2 7
4 . 7 u _ 6. 3 V _ X 5R _ 06 I N T _ MI C
4 . 7 u _ 6. 3 V _ X 5R _ 06 J P 2
NEAR CODEC
J P 1
R 3 6 6 20 K _ 1 %_ 0 4 C 5 5 5
C 5 0 4 *1 0 0 p_ 5 0 V _ N P O _0 4
M I C 1 _ L
4 . 7 u _ 6. 3 V _ X 5R _ 06 A U D G C 5 5 6
4 . 7 u _ 6. 3 V _ X 5R _ 06 M I C 1 _ R
C 4 75 0 . 1 u_ 1 6 V _Y 5 V _ 04
C 4 83 2 . 2 u _6 . 3 V _ X 5R _0 6
VT180 2P 10 u
C 4 64 1 0 u _6 . 3 V _ X5 R _0 6 M I C 2 -V R E F O
VT 1802P NC PIN
R 2 1 6
VT180 2P
H E A D P H ON E -L 2 7
A U D G
H E A D P H ON E -R 27 2.2K_ 04
4 . 7 K _0 4
2 . 2 u_ 6 . 3 V _X 5 R _ 0 6
I N T _ MI C R 2 1 3 1 K _ 0 4
VT1802 P
C 3 06
330P
C 4 45 6 80 p _ 50 V _ X 7 R _ 04
2 . 2 u _ 6. 3 V _ X 5R _ 06
VT 1802P 75_ 1%_05
M I C 1 _ R
R 3 7 7 1 K _ 0 4
M I C 1 _ L
R 3 8 3 1 K _ 0 4
M I C 1 -V R E F O- L R 3 8 4 2 . 2 K _ 0 4
M I C 1 -V R E F O- R R 3 7 8 2 . 2 K _ 0 4
VT 1802P 4.7 K_1%_0 5
8/2 7
Hea dphon e Anti -Pop Circu it
3. 3 V S
R 3 9 5 R 3 80 Q 31
G
*2 2 0K _0 4 * 2 N 7 0 02 W
* 1 0K _ 0 4
G
E A P D _M OD E
Q3 6 A U D G
9/ 21
R 39 3 R 3 8 5
*A O 3 41 5
* 4. 7 K _ 0 4 1 0K _0 4
C 7 53
* 1 0u _ 6 . 3V _ X 5 R _ 0 6
A U D G
3 . 3V
3 , 6 , 8, 9, 1 0 , 2 5, 2 9 , 3 5 , 37 , 3 8 1 . 5V
1 1 , 1 8, 2 4 , 2 5, 2 7 , 2 8 , 31 , 3 2 , 35 , 3 9 , 4 0 5 V S
3. 3 V S
H C B 10 0 5 K F -1 21 T 2 0
A U D G
*1 0m i l _s h o rt
*1 0m i l _s h o rt
0. 1 u _ 16 V _ Y 5 V _ 0 4
0. 1 u _ 16 V _ Y 5 V _ 0 4
A U D G
J_I NTMI C1
2 1
J _ I N T MI C 1
2
1
8 8 26 6 -0 20 0 1
P C B F o ot p ri n t = 88 2 6 6-2 R
M I C 1 -L 2 7
M I C 1 -R 2 7
H E A D P H ON E -L
H E A D P H O N E - R
Q 2 9
G
*2 N 7 0 02 W
A U D G