Schematic Diagrams
B - 28 AUDIO VT1708A/ALC883
B.Schematic Diagrams
AUDIO VT1708A/ALC883
AU D G
AU D G
Z2 724
SDATA-IN Max: 0.5inch
A UD G
Z2 736
MU TE I N
Z2 722
R 414
4. 7K _04
Q 51
2N 700 2
G
D
S
A U DG
AZ _S DO U T
16
Z2 751
C 73 2
1 00P _50 V_0 4
C8 59
1U _10V _0 6
*10K
20K
PIN
B EE P
C 723 4 .7 U_ 10V _08
C7 24 . 1U _16 V_0 4
JSP K1
CO N 4_S PK
1
2
3
4
1
2
3
4
39.2K
PIN 32
Z 271 9
Z 277 2
C 53 6
2 70P _10V _06
*10UF
I N TMI C
LI N E- L
R 82 0
*0_0 4
C7 17
*. 1U _16 V_0 4
R636*->10K
C960615
Z2 737
G PO 1
R 40 2
0_0 4
C8 57
4. 7U _6 .3 V_ 06
R 58 4
*220 _04
ALC883
0 OHM
5VS _A UD
R
856
*1
0
K_0
4
L 44
H CB 160 8KF - 121T 25_0 6
1
2
L5 4
H C B20 12K F- 500 T40_ 08
1
2
C 55 5 . 1U _16V _04
*39.2K
*0 OHM
R 84 5
8. 2K _04
Z 270 6
Z 2743
H P_ L
C 49 4
. 1u _16V _04
C 535
. 1U _1 6V_ 04
R 69 5
*0_0 4
*39.2K
PIN 31
AU D G
EA PD
Z
270
3
F RO N T- R
R4 37
100_ 04
10UF
P RE H P_R
Z2 752
Z 277 3
Z 2742
C5 58 . 1U _16 V_0 4
0 OHM
R817 ->*
C960615
C8 54
1U _1 0V_ 06
U3 6
*G9 24
1
2
3
4
5
S H DN #
G N D
BY P
O UT
V I N
0 OHM
MI C- V RE F O- R
S PK OU T L+
C 55 4 . 1U _16V _04
C 722 4 .7 U_ 10V _08
R4 10
1M_0 4
R 71 4
0 _06
C 55 9 . 01U _50 V_0 4
AU D G
A C _SP KR
1 6
Z 2714
R 557
0_04
R 367
*0_04
R 82 1
*0_0 4
C 524 4 .7 U_ 10V _08
270PF
0 OHM
A UD G
H P _SE N SE
Z 275 8
3 .3 VS
I N T- MIC - VR E FO
S PK R+
R833
PIN 29
AU D G
MI C L
Z 270 9
C8 55
1U _1 0V_ 06
C736
A U DG
AU D G
S PK R-
Z 276 4
Z2 727
R 85 9
0_0 6
R 41 9
2. 2K _04
C 7 16
1 0U _10 V_0 8
*0 OHM
R844 33->0
C960615
R844
S PK OU TR -
BE EP
R1 75
*1 0K_ 04
C 85 8
1 U_ 10V _06
R 710
*0_04
*270PF
5.1K
C 53 0
3 30P _50V _04
A UD G
MI C R
R4 11
10K _04
APA2 056A
U 42
AP A20 56A
6
4
1 9
1 1
26
13
1 7
1 8
15
9
27
25
8
2 1
2 2
3
12
14
16
24
5
28
1
20 10
2
7
23
29
L_I N _H P
R_ IN _H P
H PV D D
C PV D D
SD
#
CPG
ND
R _H P_ OU T
L_H P_ OU T
CP VS S
L _O UT -
AMP_ EN #
BY
PA
SS
L_O U T+
R _O UT -
R _O U T+
R_ IN _A MP
CP +
CP -
HP VS S
HP _E N
L_I N _AMP
BE
EP
VD
D
PV
D
D
PV
DD
GND
PG
ND
PG
ND
GN
D
1
PIN 20
PIN 47
P R EH P_ R
F RO N T- L
R 638
1 0K_ 1%_04
2
*4.7UF
JD _S EN S E
Z27 44
Z 270 4
Power Pla ne
R841
5VS
V RE FO -C _L
R 322
0_06
C 51 7
1 0U _10V _08
5V S
U 16
74 AH C 1G 08GW
2
1
4
3
5
C 525 4 .7 U_ 10V _08
Z 275 4
C8 56
4. 7U _6 .3 V_ 06
C8 63
1U _10V _06
0 OHM
3. 3V S
Z 270 8
Z2 723
C 750
10U _1 0V_ 08
M DC MOD EM
1108
AU D G
Z 2734
E XT- MIC - V RE FO
PL EASE PLA CE C LOSE COD EC &
AM P TH E PO WER INPU T PI NS
PIN 41
AZ _S DI N 1
Z2 729
R 692
1K_ 04
AU D G
C4 95
10U _10 V_0 8
R
855
*1
0
K_0
4
0 OHM
S PK L-
R 826
0 _04
C 862
. 1U _16V _04
AU D G
5V S_A U D
AU D G
SD O
Q 52
2N 700 2
G
D
S
R8 57
100K _04
R 398
100K _04
0 OHM
R821
E C _BE EP
C 707 . 1U _1 6V_ 04
R
853
*1
0
K_0
4
AZ _S YN C
SP DI F
E XT- MIC L
Z27 16
R 413
4. 7K _04
C739
PIN 40
C 56 0 270 P_1 0V_ 06
R 63 9
10K _0 4
C 512
10U _10 V_1 2
L IN E _SE N SE
Z 271 8
C 725
1U _10 V_ 06
VT1708
U 22
1
13
2
4
5
6
7
8
9
10
11
12
34
14
15
16
17
18
19
20
21
22
23
24
25
26
37
31
33
3
29
30
28
32
35
36
27
38
39
41
40
42
43
44
46
45
47
48
DV
DD_
CO
RE
S EN SE _A
NC
DV
S
S
SD
O
BI
TC
LK
DV
S
S
SD
I
DV
DD_
CO
RE
SY
N
C
RE
SE
TN
PC
BE
EP
SE
N
SE_
B
POR T- E_L
P OR T- E _R
POR T- F_L
P OR T- F _R
C D -L
A FI LT4
CD - R
POR T- B_L
P OR T- B _R
P ORT -C _L
PO R T- C _R
A
VDD1
AV
SS
1
AF I LT3
CA
P
1
AF
IL
T
2
NC
VR
EF
O
U
T-
C
_L
VR
EF
O
U
T-
F
_L
VR
EF
O
U
T
-B_
L
AF
IL
T
1
PO
RT
-D_
L
PO
RT
-D_
R
VR
EF
FI
LT
AV D D2
PO R T- A_ L
PO R T- A_ R
JD R EF
AV SS 2
PO R T- G_L
PO R T- G_R
PO R T- H _R
PO R T- H _L
S/ P DI F R X / EA PD
S/ P DI F T X
*0 OHM
PIN 18
AU D G
EX T- MIC L
Z 275 6
C 51 0
*. 01 U_ X7R _04
*4.7UF
MI C _SE N SE
S PK OU TL +
Z2 710
C P1
8P 4C X1 80P F
1
2 3
4
5
6
7
8
EC _B EE P
R 64 1
33_ 04
*0 OHM
*0 OHM
PIN 13
A UD G
S PK OU T R-
B EE P
L IN E -R
L P2
F C A32 16K F4-12 1
1
2
3
4
5
6
7
8
C7 34
.1 U_ 16V _04
*0 OHM
PIN 39
AU D G
S PD I F
R 58 5
0_0 6
S PK OU TR +
Z2
7
02
R 85 0
39K _04
C 503
10 U_ 10V _08
TJ MDC3
R814
PIN 15
DEFAULT VT1708
A UD G
EA PD
LI N E- R
Z 270 1
R 637
2 0K_ 1%_04
C 526 4 .7 U_ 10V _08
4.7UF
A UD G
Z 271 5
R 84 2
0_0 4
C 727
. 1U _16V _04
MDC
R827
270PF
PIN 10
KB C _BE EP
R 84 3
0_0 4
5 VS _AU D
5VS _A UD
A UD G
Z 2757
E AP D
S PD _I F O
R812
PIN 37
Z27 17
R 84 6
8. 2K _04
? ? 6 ,? ? DE POP? ? ?
? ? ? ? ,? ? ? ? ? ?
PIN 14
R 82 5
0_0 4
U 18
74A H C1 G1 4G W
2
4
5
3
1
11
4.7UF
A U DG
P R EH P_ L
PIN 2
C 73 9
2 70P _10V _06
R812 0->10K
C960705
BE EP
R 40 1
0_0 4
10K
AU D G
Z 2740
AZ _S DO U T
A Z_ BI TC LK
Z 276 0
Z 2712
C 498
470 P_ 50V _06
PIN 13
AU D G
AZ _S DI N 0
16
L IN E -L
C722
AU D G
5V S_ AU D
Z2 741
I N T- MIC - VR E FO
C 50 9
*. 01 U_ X7R _04
PLEA SE P LACE CLO SE C ODEC &
AMP THE POWE R
IN PUT PINS
*270PF
L IN E _SE N SE
HP _S EN SE
MIC - VR E FO - R
S PK L+
Z2 725
R 43 0
5. 1K _1%_0 4
C5 61
100P _50 V_0 4
R825
AU D G
AZ _R ST #
C5 34
. 1U _16 V_ 04
R 833
*3 9. 2K_ 1%_0 4
PIN 6
Z2 732
Z27 05
Z2 731
JMDC 1
CON 1 2_ AM P
1
3
5
7
9
1 1
12
10
8
6
4
2
G ND
Aza li a_S DO
G ND
Aza li a_S YN C
Aza li a_S DI
Aza li a_R ST #
Azal ia _BC LK
GN D
GN D
3. 3V Ma in/ au x
R ES ER V ED
R ES ER V ED
C 86 1
1 U_ 10V _06
C8 64
.1 U_ 16V _04
J AU D IO1
C O N 15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R 82 7
*0_0 4
R826
*270PF
K BC _B EE P
2 3
5 VS _AU D
24 mil
PIN 34
V OL_MU TE#
2 3
Z2 735
Z2 733
C 740
. 1U _16 V_0 4
C 72 9 . 1U _16V _04
C723
S PD _I F O
Z 276 3
Z27 65
R 84 1
0_ 04
C7 35 . 1U _16 V_0 4
R 824
0 _04
C 497
47 0P_ 50V _06
3. 3VS
E XT- MI C- V RE FO
Z2 726
H P_ R
R
854
*1
0
K_0
4
S18
SH ORT
2
1
C5 57 . 1U _16 V_0 4
0 OHM
R 85 2
1 0K_ 04
C5 04
*.1 U_ 16V _04
22PF
A Z_ SY N C
1 6
R 814
*0_04
C560
H P _L
Z 275 9
Z27 21
R 6 36
39 .2 K_1 %_04
S PK R+
R 85 1
1 00K _04
PIN 34
R 84 8
39K _04
R 812
*10K _04
R 431
200_ 04
*0 OHM
270PF
AZ _B IT CL K
16
E XT- MIC R
C 198
330 P_ 50V _04
C5 56
. 1U _16 V_0 4
L41 2
H CB 201 2KF - 500T 40_0 8
1
2
C 522 1 U_ 10V _06
C 731
.1 U_ 16V _04
R 8 17
*10 K_1 %_04
C 55 0
1 0U _10V _08
*0 OHM
AU D G
Z27 38
10PF
3. 3V S
3. 3VS
MI C_ SE NS E
H P _R
J D_ SE NS E
Z 276 1
C 73 8
22P _5 0V_ 04
C 726 . 1U _1 6V_ 04
R636
3. 3V
AU D G
H P SE L
F R ON T- L
R 64 0
1K _04
C 53 8
. 1U _16V _04
4.7uf
? REALTEK
FAE? ?
? ?
? 1uf
Power Plane
S US B#
1 3, 15, 16, 20 ,2 3, 28, 34
MI CL
R824
PIN 33
S US B#
BI TC LK
VT1708
*0 OHM
C536
LI N E_S EN S E
I N TMIC
Z2 728
Z 270 7
Z2 730
C738
S PK L+
C 73 3 . 1U _16V _04
C 523 1 U_ 10V _06
*10K
MI CR
F R ON T- R
3 .3 VS
10K
PIN 33
5V S_A U D
G PO 1
16
Z 271 1
SY N C
S PK R-
R 84 9
0_ 04
0 OHM
*10UF
A Z_ RS T#
1 6
Z 2713
H PS EL
C 71 8
10 U _10V _08
R 399
100K _04
12
C 502
10U _10 V_1 2
C 73 0 1U _10 V_0 6
C 527 4 .7 U_ 10V _08
AU D G
S PK L-
39.2K
R430
C near CP+ and CP-
AU D G
AU D G
A U DG
A FI LT 4
C 73 7
1 0U _10V _08
C 728
1U _10 V_ 06
10K
PIN 32
A Z_ SD I N1
1 6
C 860
. 1U _16V _04
0 OHM
10UF
SD AT A- I N
Z 276 2
Z 275 3
A U DG
P RE H P_L
C 73 6
1 0U _10V _08
C 529
22 00P _50V _04
C 52 8
. 1U _1 6V_ 04
R695 ->*
C960615
S PK OU TL -
R817
R820
Value
H P_ SE NS E
R 84 7
0_ 04
C 505
. 1U _16 V_0 4
ADD C960528
S PK OU T L-
C 50 7
*. 1U _1 6V_ 04
R 693
*1K _04
R 858
100 K_0 4
R638
PIN 32
AU D G
EX T- MIC R
P R EH P_ L
P R EH P_ R
R 84 4
0_0 4
U 17
74A H C1 G0 8G W
2
1
4
3
5
C737
S PK OU T R+
Z 272 0
JI N TMIC 1
A CE S/ C O N2
1
2
1
2
Sheet 27 of 40
AUDIO VT1708A/
alc883
Содержание M670SRU
Страница 1: ......
Страница 2: ......
Страница 3: ...Preface I Preface Notebook Computer M670SRU M675SRU Service Manual...
Страница 49: ...Part Lists Combo M670SRU M675SRU A 9 A Part Lists Combo M670SRU M675SRU Figure A 7 Combo M670SRU M675SRU...
Страница 50: ...Part Lists A 10 A Part Lists...
Страница 92: ...Schematic Diagrams B 42 FINGERPRINT BOARD B Schematic Diagrams...
Страница 93: ...www s manuals com...