Audio Codec Alc269 Qfn - EUROCOM T890M Service Manual

Audio Codec ALC269 QFN

CODEC ALC269
3 . 3 V S L 1 7 3. 3V S _ A U D
H C B 10 0 5 K F -1 2 1 T 2 0
C 3 8 9
. 1 U _ 10 V _ X 7 R _0 4
3 . 3 V
Low mut e! R 1 6 1
1 0 0K _0 4
D 1 3 S C S 3 5 5V
C A Z 1 9 4 3 1
7 S B _ MU T E #
2
23 K B C _ MU T E #
7 A C _ S D OU T _C O D E C
7 A C _ B I T _ C L K
7 A C _ S D A TA I N 0
7 A C _ S Y N C _ C O D E C
7 A C _R S T #
K B C _B E E P
PC BEEP
K B C _ B E E P
2 3 K B C _ B E E P
C 1 5 8
1 U _ 6 . 3 V _ X 5 R _ 0 4
7 S P K R
C 4 6 2
1 U _ 6 . 3 V _ X 5 R _ 0 4
2 1 B A R C O D E _R I N G
D0 2 12 09
PI N2 5,P IN 38 ? 1? 1 0u F/ .1 uF
R 1 56 *1 0 m i l _ s h o r t
3. 3V S _ A U D
C 3 95 . 1U _ 1 0 V _ X7 R _ 04
C 1 71 10 U _ 6. 3V _X 5 R _0 6
C 4 1 6
C 1 5 7 C 3 96
5 V S . 1U _ 1 0V _ X7 R _ 04
10 U _ 6 . 3V _X 5 R _ 06 . 1 U _ 1 0 V _ X7 R _ 0 4
C 3 9 3 1 0 U _ 6 . 3 V _ X 5R _ 0 6
C 4 0 1
. 1U _ 1 0 V _ X7 R _ 04
C 4 0 9
3 . 3 V S 3. 3V S _ A U D
. 1U _ 1 0V _ X7 R _ 04
R 3 3 1
C 1 8 1
*0 . 1 U _ 10 V _ X 7 R _ 0 4
10 0 K _ 0 4 U 2 9
M U T E A P M# J D _S E N S E
4 4 1 3
P D # S e n s e A
1 4 Z 1 9 1 4
S P K OU T L + L I N E 2 - L Z 1 9 1 3
U 11 4 0 1 5
S P K -L + L I N E 2 -R
7 4 A H C 1 G0 8 G W S P K OU T L - 4 1
S P K -L -
1 6 M I C 2 _ L
MI C 2 - L
S P K OU T R - 4 4 1 7 M I C 2 _ R
S P K -R - M I C 2 -R
S P K OU T R + 4 5
S P K -R +
D 1 4 *S C S 3 5 5 V 1 8 Z 1 9 1 2
S e n s e-B
A C Z 19 4 5 4 7
S P D I F C 2 / E A P D
S P D I F O 4 8 1 9 Z 1 9 1 1
S P D I F O J D R E F
2 0 Z 1 9 1 0
M ON O - OU T
Z 19 0 2
D0 2 1 20 8 2
G P I O0
Z 19 0 3 3 2 1 Z 1 9 0 8
G P I O1 MI C 1 - L
2 2 Z 1 9 0 9
M I C 1 -R
DIGITAL ANALOG
2 3 Z 1 9 0 7
5 L I N E 1 - L 2 4 Z 1 9 0 6
S D A T A -O U T L I N E 1 -R
6 2 7 Z 1 9 3 9
B I T - C L K V R E F
A Z _ S D I N 0 _ R M I C 1 -V R E F O- L
R 3 3 0 3 3 _1 % _ 0 4 8 2 8
S D A T A -I N MI C 1 -V R E F O - L
3 0 M I C 1 -V R E F O- R
1 0 M I C 1 -V R E F O -R 2 9 M I C 2 -V R E F O
S Y N C MI C 2 - V R E F O
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 -O U T -R
Z 19 0 4 Z 1 9 05
R 1 5 7 1 0 K _ 0 4 1 2
P C B E E P
3 5 Z 1 9 4 1 C 4 1 5
C B N
R 3 2 7 1 K _ 1 % _ 0 4 C 3 94 1 U _6 . 3 V _ X 5 R _ 0 4
Z 1 9 4 0
3 6
C 1 5 9 1 0 0P _5 0 V _ 0 4 C B P 3 4 Z 1 9 4 2
O P V E E
C 4 1 7
C 3 9 7
A L C 2 6 9 Q F N
. 1U _ 1 0V _X 7 R _ 04
2 . 2 U _ 6 . 3 V _ X 5R _ 0 4
A U D G
A U D G
H E A D P H O N E -R
H E A D P H O N E -L
SPEAKER CONNECTOR
C 2 07
L 2 3 * 1 U _ 1 0 V _ 06
F C M 1 0 05 K F -1 21 T 0 3
S P K OU T R + S P K OU TR + _ R
1 2
S P K OU T R - 1 2 S P K OU TR -_ R
F C M 1 0 05 K F -1 21 T 0 3
L 2 2
L 2 4
F C M 1 0 05 K F -1 21 T 0 3
S P K OU T L - S P K OU TL -_ L
1 2
S P K OU T L + 1 2 S P K OU TL + _ L
F C M 1 0 05 K F -1 21 T 0 3 C 2 09 C 2 1 0 C 2 0 8 C 2 11
L 2 5
* 1 U _ 1 0 V _ 06 *1 8 0 P _ 5 0 V _ 04 *1 8 0 P _ 5 0 V _ 04 * 18 0 P _ 5 0 V _ 0 4
L 19
H C B 1 0 0 5K F -1 2 1T 2 0
5 V S _ A U D 5 V S Layout Note:
U 1 3
4 5
Ve ry c los e to Au di o Cod ec
O U T V I N
C 1 9 8 1
S H D N #
1 0 U _ 6. 3 V _X 5 R _0 6 Z 1 9 4 4 3 2 C 1 8 9 L 2 6 H C B 1 00 5 K F - 12 1 T 2 0
B Y P GN D
* G9 2 4 1 U _ 6 . 3 V _ X 5R _ 0 4
C 4 08
A U D G
* 0. 1U _ 1 0V _X 7 R _ 04
C 1 9 0
C 1 7 6 0 . 1 U _ 6 . 3 V _ X 7R _ 0 6
1 0 U _ 6. 3 V _X 5 R _0 6 C 2 0 0 0 . 1 U _ 6 . 3 V _ X 7R _ 0 6
C 2 1 3 0 . 1 U _ 6 . 3 V _ X 7R _ 0 6
D 02 12 08
A U D G
A U D G
MI C 2 -V R E F O J_INTM IC1
H P _ S E N S E
R 3 44 3 9 . 2 K _ 1 % _0 4
2 1
R 36 7
4 . 7 K _ 0 4
C 4 0 2 4 . 7 U _ 6 . 3 V _ X 5R _ 0 6 J _ I N T M I C 1
C 4 04 4 . 7 U _ 6 . 3 V _ X 5R _ 0 6 I N T _ MI C R 3 7 1 7 5_ 1 % _ 0 4 Z 1 9 1 5
1
2
C 42 0
8 5 2 05 - 0 2 0 0 1
R 3 5 5 2 0 K _ 1 % _0 4 6 8 0 P _ 5 0 V _ X7 R _ 0 4
P C B F oo t p ri n t = 8 5 2 05 -0 2 0 0
A U D G
C 4 1 8 . 1 U _1 0 V _ X 7 R _ 0 4 A U D G
C 4 1 9 1 U _ 6. 3 V _X 5 R _0 6
A U D G
D0 3 0216
2 . 2 U _ 6 . 3 V _ X 5 R _ 0 4
5
4
3 1
2
6
SOL DER SIDE VIEW
H P _ S E N S E
L 20 5 J _ H P 1
F C M1 0 0 5K F -1 2 1T 0 3 4
R 1 7 4 7 5 _ 1% _ 0 4 P H O N E - R 1 2 Z 1 9 35 3 R
R 1 8 3 7 5 _ 1% _ 0 4 P H O N E - L 1 2 Z 1 9 36 2
Z 1 9 37 6 L
L 21 1
F C M1 0 0 5K F -1 2 1T 0 3 C 2 0 1 C 19 9 2 S J -S 3 5 1-S 3 0
1 0 0 P _ 5 0 V _ 04 1 0 0 P _ 50 V _ 0 4 HEA DPH ONE
GREE N
A U D G 08 18 foo rprint L39
1 . 5 V S 2 , 4 , 6 , 7 , 9 , 1 4, 1 5 , 2 6
J _ S P K 1
1 3 . 3 V S 2 , 6 , 7 , 9 , 1 1. . 17 , 1 9 . . 2 3 , 2 5 , 2 6, 28
5 V S 9 , 1 3 , 1 6, 19 . . 2 1 , 2 5
1
2
2 3 . 3 V 3 , 7 , 9 , 1 3 . . 1 5, 1 7 , 1 9 , 2 1 , 2 3, 25 . . 2 7
3
3
4
4
C 2 1 2
8 7 2 12 -0 4 G 0
* 1 8 0P _5 0 V _ 0 4 6-20-41A00-104
Schematic Diagrams
A U D G
Sheet 18 of 31
Audio Codec
ALC269 QFN
Audio Codec ALC269 QFN B - 19