Audio Codec Alc269 - Clevo W270BUQ Series Service Manual

AUDIO CODEC ALC269

AUDIO CODEC
ALC269 VB
VT1802P
For 1 .5 V H DA Link .
R 4 6 0 * 0 _0 4
1. 5V S
For 3. 3V HDA Li nk.
R 4 6 1 *1 0 m i l _ s ho rt
3 . 3 V S _ A U D
3 . 3V S
L 11 0
PD# Cont rol
H C B 1 0 0 5K F -12 1 T 2 0
1 2
C 6 8 8
AZ_ RST# For 3 .3 V
5 V S
HDA Li nk D e- pop
0 . 1u _ 1 6V _Y 5 V _0 4
R 4 62
D 3 3
B A T 54 A W G H 1 0 K _ 04
1 A
H D A _ R S T#
C 3
2
A
2 0 K B C _M U T E #
Q 13 P le a se Le t LC Filt e r
R 4 6 6 * 10 0 K _ 04 G * MT N 7 0 0 2Z H S 3
5V S
t oge t he r a nd c lose t o
C ode c. IF S pe a k er
Q 1 2
H D A _ R S T # G
*B S S 1 3 8 _N L w i re le ngt h is le ss
AZ_RST# For 1. 5V
t han 80 00m ils It don't
HDA Link De -pop
ne e d the LC Filt e r.
8 H D A _ S D O U T
C 7 02
8 H D A _ B I T C L K
R 4 71
8 H D A _S D I N 0
8 H D A _ S Y N C
8 H D A _R S T #
PC BEEP
D 28
B A T 5 4 C W G H
1
A
2 0 K B C _ B E E P
C 3 B E E P R 4 77 4 7 K _ 0 4
2 A
8 H D A _S P K R
FOR VOLUMN
ADJUST
3 .3V S_AUD
5VS
20ms
AZ_ RST#
PD#
Spea k er wi re le ngth l es s tha n 8 00 0mi ls , It don't ne ed LC Fil te r.
SPKO UTR+, R-, L+, L- Tra ce wi dth
Spea k er 4 ohm- --- -- > 40 mil s
Spea k er 8 ohm- --- -- > 20 mil s
C 6 80 C 68 1
1 0 u _1 0 V _ Y 5 V _ 0 8 0 . 1 u_ 1 6 V _ Y 5 V _ 04
D V D D _ I O
C 6 8 2 C 6 8 3 C 68 4 C 6 8 5
1 0 u_ 1 0 V _Y 5 V _ 08 0 . 1 u _1 6 V _ Y 5 V _ 04 * 1 0u _ 1 0V _ Y 5V _ 0 8 *0 . 1 u _1 6 V _ Y 5 V _ 0 4
3. 3 V S _ A U D
C 6 8 9 C 69 0 C 6 91 C 6 9 2
10 u _ 10 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 1 0 u_ 1 0 V _Y 5 V _ 08
U 32
P D # 4 1 3 S E N S E _A
P D # S en s e A
1 4 LI N E 2 _ L
4 0 L I N E 2 -L 1 5
S P K O U T L + LI N E 2 _ R
S P K -L + L I N E 2 -R
S P K O U T L - 4 1
S P K -L - 1 6
MI C 2_ L
M I C 2 -L
S P K O U T R - 4 4 1 7 MI C 2_ R
4 5 S P K -R - MI C 2 -R
S P K O U T R +
S P K -R +
1 8 S E N S E _B
4 7 S en s e -B
E A P D
S P D I F C 2 / E A P D
S P D I F O 4 8 1 9 JD R E F
S P D I F O J D R E F 2 0
MO N O _O U T
M ON O-O U T
C O D E C _ GP I O 0 2
3 GP I O0 -D M I C -D A T 2 1
C O D E C _ GP I O 1 MI C 1_ L _ C
GP I O1 -D M I C -C L K M I C 1 -L
2 2 MI C 1_ R _C
MI C 1 -R
DIGITAL ANALOG
2 3 LI N E 1 _ L
5 L I N E 1 -L 2 4
22 p _ 50 V _ N P O _ 04 LI N E 1 _ R
S D A TA - OU T L I N E 1 -R
6 2 7
C O D E C _V R E F
B I T -C L K V R E F
8 2 8
2 2 _0 4 A Z _S D I N 0 _ R LD O_ C A P
S D A TA - I N LD O_ C A P
3 0 MI C 1- V R E F O -R
M I C 1 -V R E F O-R
1 0 2 9 MI 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 O N E - L
R E S E T# H P -O U T -L
3 3 H E A D P H O N E - R
H P -OU T -R
B E E P _R 1 2
P C B E E P
3 5 C O D E C _C B N
C B N
3 6 C O D E C _C B P
C 7 0 6
C B P
3 4
OP V E E
1u _ 6 . 3V _Y 5 V _0 4
B E E P _C
A LC 2 69 Q -V B 6
R 4 7 8 C 7 0 9
4. 7 K _ 0 4 10 0 p _5 0 V _ N P O _ 04 A U D G
A U D G M I C 1 -V R E F O-L
The rm al Pa d pl ac e 9
Vi a hole .
L 1 12
* F C M 16 0 8 K -1 21 T 0 6_ s h ort
S P K O U T L + S P K O U T L + _L
C 7 10 C 7 1 1
* 1u _ 1 0V _Y 5 V _0 6 *1 8 0 p_ 5 0 V _N P O_ 0 4
S P K OU TL - S P K OU TL -_ L
* F C M 16 0 8 K -1 21 T 0 6_ s h ort C 7 1 2 J_ S P K L 1
J _SPK 1 L 1 13
*1 8 0 p_ 5 0 V _N P O_ 0 4
2 1
8 5 20 4 -0 20 0 1
EMI Require
P C B F o o t p ri n t = 8 5 20 4 -0 2R
De l R45 9 3 /7
5 V S
Lay out note :
GN D a nd AUDG spa c e is
60 mil s ~ 100 mi ls
VT1802P
L75,C718 ? ? ?
AN ALOG DIG ITAL
5 V S _A U D
5 V S
L 11 1
H C B 1 0 0 5K F -12 1 T 20
1 2
C 6 9 3 C 69 4 C 6 9 5
0. 1 u _ 16 V _ Y 5V _ 0 4 1 0 u _1 0 V _ Y 5 V _ 08 1 u_ 6 . 3 V _ Y 5 V _ 04
A U D G A U D G
MI C 2- V R E F O
R 4 6 3 2 0 K _ 1% _ 0 4 MI C _ S E N S E
M I C _ S E N S E 2 2
R 4 6 4 3 9 . 2 K _1 % _ 04 H P _S E N S E
VT1802P
H P _ S E N S E 2 2
2.2K_04
C 6 9 6 4 . 7 u _6 . 3 V _ X5 R _0 6
C 6 9 7 4 . 7 u _6 . 3 V _ X5 R _0 6 I N T _ MI C R 4 67 1 K _ 04
VT1802P
VT1802P 5.1K_1%_04
C 9 2
330P
R 4 6 8 2 0 K _ 1% _ 0 4
C 6 9 9 * 10 0 p _5 0 V _ N P O _ 04 A U D G * 0 . 02 2 u _1 6 V _ X 7R _ 04
C 7 0 0 4 . 7 u _6 . 3 V _ X5 R _0 6 Add 3/2 2
C 7 0 1 4 . 7 u _6 . 3 V _ X5 R _0 6
C 7 0 3 0 . 1 u _1 6 V _ Y 5 V _ 04
C 7 0 4 2 . 2 u _6 . 3 V _ X5 R _0 6
VT1802P 10u VT1802P 75_1%_04
M I C 1 -L
C 7 0 5 1 0 u_ 1 0 V _ Y 5 V _ 08 R 4 7 2 1K _ 0 4
VT1802P NC PIN
MI C 1-R
R 4 7 4 1K _ 0 4
H E A D P H ON E -L 22
M I C 1 -V R E F O-R
A U D G R 4 7 5 2. 2 K _ 0 4
H E A D P H ON E -R 2 2
M I C 1 -V R E F O-L
R 4 7 6 2. 2 K _ 0 4
VT1802P 4.7K_1%_04
C 7 85 C 7 8 6
C 7 0 7 C 7 08 * 2 2n _ 1 6V _ X 7 R _ 0 4
* 2 2n _ 1 6V _ X 7 R _ 0 4
2 . 2 u _6 . 3 V _ X5 R _0 6
2. 2 u _ 6. 3 V _ X 5 R _ 0 6
F or Mic n ois e is su e ( Res rve) 3/1 1
Value m od ify 3/2 3 A U D G
S P K OU T R +
S P K OU T R -
9/8
Re serve
C 2 3 6 *1 8 0 p_ 5 0 V _ N P O _0 4
C 2 4 6 *1 8 0 p_ 5 0 V _ N P O _0 4
A U D G
S P K OU T L+ _ L
S P K OU T L-_ L
S P K O U T R + L 1 3 6 * F C M 1 60 8 K -1 21 T 0 6 _s h o rt S P K OU T R +_ R
S P K O U T R - S P K OU T R -_R
L 1 3 5 * F C M 1 60 8 K -1 21 T 0 6 _s h o rt
1
2
C 2 3 7 *1 8 0 p_ 5 0 V _ N P O _0 4
C 2 3 9 *1 8 0 p_ 5 0 V _ N P O _0 4
A U D G
Schematic Diagrams
5 8 C o m p o n e n t .
EM I Requ ire
1 2
L 1 09 *H C B 1 0 05 K F -1 2 1 T2 0
A U D G
J P 1 *1 0 mi l _ sh o rt
J P 2 *1 0 mi l _ sh o rt
C 68 6 0. 1u _ 1 6V _ Y 5V _ 0 4
C 68 7 0. 1u _ 1 6V _ Y 5V _ 0 4
A U D G
J_ INTM IC1
2 1
R 46 5
Sheet 18 of 43
4 . 7 K _ 04
J _ I N T M I C 1
I N T _ MI C _ OU T
1
AUDIO CODEC
2
C 69 8
8 8 2 66 -0 2 00 1
6 8 0p _ 5 0V _X 7 R _ 0 4 P C B F oo t p ri nt = 8 8 2 66 -2 L
ALC269
M I C 1 -L _ M
MI C 1 -L M 2 2
M I C 1 -R _M
MI C 1-R M 2 2
S P K O U T R + 2 2
S P K O U T R - 22
J _ S P K 1
4
3
2
1
* 85 2 0 4-0 4 0 01
PN: 6-20- 43130- 104
AUDIO CODEC ALC269 B - 19