Audio Codec Alc662 - Clevo M740J Service Manual

AUDIO CODEC ALC662

CODEC ( ALC662)
3.3V S
L53
C56 2
.1U_1 6V_ 04
C 513 * 22P _50V _04
R 325
1 9,24 AZ _S DO UT
R 324
19,24 A Z _B IT CLK
R 537
19 A Z _SD IN0
R 323
19,24 A Z _S YNC
R 326
19,24 A Z_R S T #
2 9
check to jack,VGA
24
B E E P R 321 10K _04 P CB E EP _C C 553
R 320 1K _04
C 551 10 0P_ 50V _04
A U DG 24 JD_S E NS E A
24 JD_S E NS E B
C 845
2 9 L_ HP _OU T _A
C 844
2 9 R _HP _OU T _A
C 843
INT _M IC R510 1K _04 Z 2817 C 842
M IC1-L R 509 75_0 4 M IC 1_L_C C 841
24 M IC1-L
M IC1-R R 508 75_0 4 M IC 1_R_C C 840
24 M IC1-R
M IC 2_L C 544
M IC 2_R C 545
M IC 1_L C 546
M IC 1_R C 547
Layout Note:
V ery close to Audio Cod ec
PC BEEP
B EE P
30 B E EP
C555 1U_1 0V_ 06
19 IC H_S P KR
PI N2 5,P IN3 8 ? 1? 10u F/. 1u F
C5 68 C865
3.3V S _A UD
.1U_ 16V _04 10U_1 0V_ 08
HC B1 608K F-121 T 25_06
C882 C881 C 869
A UDG
10U_ 10V _08 . 1 U_16V _04 .1U _16V _04
U35
A LC _GP IO0
2
GP IO0
A LC _GP IO1 3 27 A LC _V RE F
GP IO1 V RE F
A Z _S DOU T _R
33_04 5 28 M IC1-V RE F O-L
SD A T A-O UT M IC 1-VR E FO -L
0_04 A Z _B IT CLK _R 6 32 M IC1-V RE F O-R
BIT -C LK M IC1 - V R EF O-R
22_04 A Z _S DIN0_ R 8
SD A T A-IN
33_04 A Z _S YNC _R 10 DIGITAL 29 Z 280 6
SY NC LINE 1-VR E FO -L
Z 280 7
33_04 A Z _RS T #_R 11 37
RE S ET # LINE 1-V RE F-R
47 30 M IC2-V RE F O
E A P D_M ODE EA P D M IC 2-VR E FO
31 A LC -LINE 2-VR E FO
LINE 2-VR E FO
48
SP D I F O SP D I F O
F R ONT _ L
35
F RON T -OU T -L
1U_10 V_0 6 P CB E E P_ R 12 36 F R ONT _ R
PC B EE P FR ON T -OUT -R
Z 280 8
39
S UR R-OU T -L
Z 280 9
41
S URR -OUT -R
R 590 20K _1% _04 Z 2801 13
Se nse A(JD 1)
R 591 39.2K _1% _04 Z 2818 34 43 Z 281 0
Se nse B(JD 2) C E N-OU T
Z 281 1
44
LF E -OU T
HP _L
4.7U_X 5 R_06 14
LINE 2-L
4.7U_X 5 R_06 HP _R 15 45 Z 281 2
ANALOG
LINE 2-R S IDE S URR -L
46 Z 281 3
S I D E SU RR-R
M IC 2_L
4.7U_X 5 R_06 16
M IC2-L
M IC 2_R Z 281 4
4.7U_X 5 R_06 17 33
M IC2-R NC
Z 2802 18 40 J DRE F
CD-L JD RE F
Z 2803 19
CD-G ND
Z 2804 Z 281 5
20 23
CD-R L I N E 1-L
24 Z 281 6
LIN E1-R
4.7U_X 5 R_06 M IC 1_L 21
M IC1-L
4.7U_X 5 R_06 M IC 1_R 22
M IC1-R
ALC 662
.1U_16V _04
.1U_16V _04
Layout Note:
.1U_16V _04
.1U_16V _04 A UD G Co dec pin 1 ~ pin 1 1 and pin 47 and pi n 48
ar e D igital signals .
AU DG Th e o thers are Anal og si gnals.
PIN 13 JD_SENSE
? ? ? ? ? ? ? ?
M IC 1-VR E FO - L M IC1 - V R EF O-R
R 327 R3 28
4.7K _04 4.7K _04
M IC 1-L M IC1-R
C 560 C5 64
680 P_X 7R_04 680P _X 7 R_04
A UD G A UD G
D 24 *S CS 551V -30
C A
5V
L 52 H CB 1608K F - 1 21T 25_06
5V S _AU D 5V S
U16
4 5
OU T V IN
C556 C 890 1
S HD N#
.1U_16V _04 10 U_10V _08 Z 2805 3 2 C5 41
B YP GN D
*G 924 1U _10V _06
C54 0
AU DG
C 561 . 1 U_16V _04 * .1U_16V _04
.
C 872 1 0U_10V _08 L98
FC M 2012 VF -121T 0 8
A UD G A UD G
Layout Note:
Very c los e to Audio Codec
C56 6 4.7U _X 5R_0 6
F RO NT -L 29
C56 7 4.7U _X 5R_0 6
F RO NT -R 29
NEAR CODEC
R 329 20K _1% _04
M IC2-V RE F O J _INTMIC1
A UD G R152
2.2K_ 04
INT _M I C
C281
330P _X 7R_ 04
Schematic Diagrams
Sheet 28 of 47
AUDIO CODEC
ALC662
2 1
J_INT M IC1
1
2
88266-020 01
PC B F ootpri n t = 8 8266-2R
PCB F OOT PRI NT 2L --> 2R
AUDIO CODEC ALC662 B - 29