
Schematic Diagrams
B - 28 AZALIA CODEC ALC880
B.Schematic Diagrams
AZALIA CODEC ALC880
Sheet 27 of 44
AZALIA CODEC
ALC880
AUDG
+5VS
AUDG
AUDG
AUDG
AUD5V
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
AUDG
+3VS
AUDG
+5VS
AUD5V
AUD5V
AUDG
+3VS [2,6,8,11,12,13,14,15,16,17,19,20,21,23,24,26,29,30,31]
+5VS [8,15,19,20,21,23,25,26,28,30,31]
FRONT-R [28]
FRONT-L [28]
CD_G
[21]
CD_L
[21]
CD_R
[21]
AZ_BITCLK
[17,26]
AZ_SDIN0
[17]
AZ_SDOUT
[17,26]
AZ_SYNC
[17,26]
AZ_RST#
[17,26]
LFE
[28]
MIC_1
[28]
AC_SPKR
[17]
PCMSPK
[29]
H8_BEEP
[28]
SURRBACK-L
SURRBACK-R
SURRB-R
Z2836
SPDIFO
AUDIO_CHANGE
Z2816
Z2821
Z2823
V_REFOUT
Z2822
Z2820
Z2818
FRONT-L
Z2817
Z2826
FRONT-R
Z2819
MIC1-VREFO-R
Z2824
CHSEL
V_REFOUT
MIC_1
Z2825
SURRBACK-L
SURRBACK-R
Z2827
SPDIF/SURRB-L
LFE
CD-R#
Z2837
Z2838
CD-GND#
CD-L#
Z2828
Z2831
SURRB-R
Z2832
SPDIF/SURRB-L
Z2834
Z2833
Z2803
AUDIO_CHANGE
Z2802
Z2804
Z2806
Z2807
BEEP
CD-L#
Z2808
Z2814
Z2812
Z2813
CD-GND#
Z2809
CD-R#
Z2815
MIC_1
Z2811
Z2810
LFE
SPDIFO
Z2805
Z2801
Z2830
Z2829
LINE-L
LINE-R
BEEP
MIC1-VREFO-R
Z2839
Z2835
LINE-L
LINE-R
Z2840
Z2841
U36
*G924
1
2
3
4
5
SHDN#
GND
BYP
OUT
VIN
C775
1u_04
C818
*0.1u_04
C464
0.1u_04
C776
*0.1u_04
C779
1u_04
C799
1u_04
C777
*0.1u_04
R529
10K_04
L12
FCM1608K-121T06
DIGITAL
ANALOG
U37
ALC880
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
27
28
29
30
31
32
33
34
35
36
37
39
40
41
42
43
44
45
46
47
48
38
25
DV
DD1
GPIO0
GPIO1
D
VSS1
SDATA-OUT
BIT-CLK
D
VSS2
SDATA-IN
DV
DD2
SYNC
RESET#
PCBEEP
Sense A(JD1)
LINE2-L
LINE2-R
MIC2-L
MIC2-R
CD-L
CD-GND
CD-R
MIC1-L
MIC1-R
LINE1-L
LINE1-R
AVSS1
VREF
MIC1-VREFO-L
LINE1-VREFO-L
MIC2-VREFO
LINE2-VREFO
MIC1-VREFO-R
DCVOL
Sense B(JD2)
FRONT-OUT-L
FRONT-OUT-R
LINE1-VREFO-R
SURR-OUT-L
JDREF
SURR-OUT-R
AVSS2
CEN-OUT
LFE-OUT
SIDESURR-OUT-L
SIDESURR-OUT-R
SPDIFI/EAPD
SPDIFO
A
V
DD2
A
V
DD1
C251
680p
C463
0.1u_04
C808
0.1u_04
C845
*10u_08
C824
*10p_04
C832
0.1u_04
L13
FCM1608K-121T06
C792
1u_04
C800
100p_04
C836
0.1u_04
C476
0.22u_04
R288
100K_04
C783
0.1u_04
C826
0.1u_04
Q99
2N7002
G
D
S
C466
1u_04
C469
0.1u_04
C847
0.1u_04
R279
1.5K_04
C482
0.22u_04
L23
HCB2012K-500T40
C840
0.1u_04
L15
FCM1608K-121T06
Q58
2N7002
G
D
S
Q57
2N7002
G
D
S
R278
1.5K_04
R287
100K_04
R514
22_04
R290
2.2K_1%
C467
1u_04
R523
10K_04
JSPDIF1
2SJ-S8701N13
3
2
1
5
4
C830
0.1u_04
C781
1u_04
R538
0_04
R291
2.2K_1%
C480
0.22u_04
C208
680p
C465
0.1u_04
R539
0_04
R280
1.5K_04
R277
1.5K_04
L14
FCM1608K-121T06
R516
0_04
R304
20K_1%
C216
680p
C803
330p
JLINEIN1
2SJ-S8701N13
3
2
1
5
4
C478
0.1u_04
L24
HCB1608K-121T25
C798
1u_04
C477
0.1u_04
Q100
2N7002
G
D
S
C782
0.1u_04
C233
680p
C780
1u_04
R295
0_04
R285
1.5K_04
C475
10u_08
C813
330p
C820
10u_08
R276
1.5K_04
R492
10K_04
R511
1K_04_1%
C484
10u_08
C784
0.1u_04
Signal:Space = 1:1
Signal:Space = 1:1
From
CD-ROM
Signal:Space = 1:1
AUDG
CD_R
AUDG
CD_R & CD_G & CD_L must parallel routing to audio
Codec. The space must be equal.
To
AUDIO
CODEC
CD_G
CD_L
TOP VIEW
2
3
5
4
JSPDIF, JLINEIN
1
Layout Note:
Layout Note:
(1)MIC_1 (U13.21) (2)LFE (U13.22)
(3)LINE-L (U13.23) (4)LINE-R (U13.24)
(5)CD_L (U13.18) (6)CD_G (U13.19)
(7)CD_R (U13.20)
U13 pin 1 ~ pin 11 and pin 47 and pin 48
are Digital signals.
The others are Analog signals.
Note:
SPDIF OUT
(SURR_BACK
LINE IN
(SURR)
©P³ò¥²¶·¥]ÂÐ AUDG, ¥B¾¨¶qÁקK¸ó¶V
+5VS & +VIN plane.
Signal:Space = 1:1
Layout note:
40 mils trace width
Summary of Contents for M540J
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Page 3: ...Preface I Preface Notebook Computer M540J M545J M550J M555J Service Manual ...
Page 104: ...Schematic Diagrams B 46 B Schematic Diagrams ...