Schematic Diagrams
B - 26 Audio Codec ALC888
B.Schematic Diagrams
Audio Codec ALC888
MIC2-L
20
Z2525
Z2504
Z
251
9
5VS
14,18,20,23,26,28,36
Z2511
JD_SENSE_B
Z2507
Very close to Audio Codec
MIC2-L
R226
4.7K_04
C648
4.7U_6.3V_X5R_06
MIC2-R
L_HP_OUT_A 26
Z2527
Z2515
MIC1-R
23
C328
680P_50V_04
C336
*.1U_16V_04
5VS
C630
*.1U_16V_04
AZ_SY NC
15,34
HP_SENSE 23
C649
4.7U_6.3V_X5R_06
.
L23
HCB1005KF-121T20_04
ICH_SPKR
17
C574
10U_10V_08
R213
20K_1%_04
Layout Note:
AZ_SY NC_R
C570
4.7U_6.3V_X5R_06
R233
1K_04
BEEP
R448
*0_04
R220
0_04
Z2522
R224
4.7K_04
R216
0_04
MIC1_L
Layout Note:
AZ_SDIN0
15
MIC1-VREFO-R
5V
5VS_AUD
MIC2_L
C310
1U_10V_06
MIC1-VREFO-R
Layout Note:
LINE-L
23
R235
1K_04
MIC1-L
23
AUDG
AUDG
MIC2-VREFO
MIC2_R
C627
*.1U_16V_04
D14
*SCS551V-30
A
C
AUDG
MSPKL
26
R449
33_04
Very close to Audio Codec
3.3VS
MIC_SENSE 23
AUDG
C573
1U_6.3V_X5R_06
R439
20K_1%_04
C646
4.7U_6.3V_X5R_06
MIC1-VREFO-L
R515
20K_1%_04
EAPD_MODE
26
R467
33_04
BEEP
27
FRONT-R 26
MIC1_R
close ALC888 Codec
Z2503
Z2502
C327
680P_50V_04
1031
MSPKR
26
Z2512
C647
4.7U_6.3V_X5R_06
C296
.1U_16V_04
MIC2-VREFO
Z2508
C598
22P_50V_04
MIC1-L
LINE-R
C572
1U_6.3V_X5R_06
SPDIFO
23
R480
1K_04
R225
4.7K_04
Codec pin 1 ~ pin 11 and pin 47 and pin 48
are Digital signals.
The others are Analog signals.
AUDG
AUDG
1.5VS
4,10,15,16,18,19,20,28
Z2509
R479
1K_04
R516
39.2K_1%_04
1219
5V
18,20,21,28,29,30,31,32,33,34,35,37
MIC1-L
LINE-L
Z2513
AZ_RST#
15,34
MIC2_R
C326
680P_50V_04
1018
AZ_BITCLK_R
AZ_SDIN0_R
0102
MIC_SENSE_B 20
MIC1-R
JD_SENSE_A
C576
10U_10V_08
AUDG
R_HP_OUT_A 26
.
L85
HCB1005KF-121T20_04
AUDG
MIC1_R
R218
*0_04
PC BEEP
PIN 13 JD_SENSE
»Ý-n¹j¶}¨¾¤î¤zÂZ
JD_SENSE_A
3.3VS
2,3,6,7,10,12,13,14,15,16,17,18,19,20,22,23,24,26,27,28,32,33,36,37
R232
1K_04
R461
33_04
AUDG
MIC1_L
C335
1U_10V_06
R211
10K_1%_04
LINE-R
23
FRONT-L 26
LINE_SENSE 23
MIC1-VREFO-L
.
L96
HCB1608KF-121T25_06
AUDG
Z2521
R223
1K_04
R489
22K_04
Z2526
HP_SENSE_B 20
C597
10U_10V_08
C621
4.7U_6.3V_X5R_06
DIGITAL
ANALOG
U27
ALC888
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
D
D
1
GPIO0
GPIO1
D
VSS1
SDATA-OUT
BIT-CLK
D
VSS2
SDATA-IN
DV
D
D
2
SY NC
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
NC1
MIC2-VREFO
LINE2-VREFO
MIC1-VREFO-R
NC2
Sense B(JD2)
FRONT-OUT-L
FRONT-OUT-R
NC3
SURR-OUT-L
JDREF
SURR-OUT-R
AVSS2
CEN-OUT
LFE-OUT
NC4
NC5
EAPD
SPDIFO
AVD
D
2
AVD
D
1
R457
33_04
C318
100P_50V_04
AZ_BITCLK
15,34
Z2506
Z2529
Z
251
8
Z2510
AUDG
Z2505
BEEP
Z2501
C322
1U_10V_06
MIC2-R
R227
4.7K_04
3.3VS_AUD
AUDG
C620
4.7U_6.3V_X5R_06
C299
.1U_16V_04
C307
.1U_16V_04
AUDG
AZ_SDOUT
15,34
AZ_SDOUT_R
MIC1-R
C629
*.1U_16V_04
Z2514
JD_SENSE_B
D16
BAT54H
A
C
C569
.1U_16V_04
1.5VS
R228
10K_04
U10
*G924
1
2
3
4
5
SHDN#
GND
BY P
OUT
VIN
D15
BAT54H
A
C
C571
4.7U_6.3V_X5R_06
C610
10U_10V_08
R214
39.2K_1%_04
PIN25,PIN38 ¦U1Áû10uF/.1uF
C301
.1U_16V_04
C329
680P_50V_04
MIC2_L
Z2516
MIC2-L
MIC2-R
20
R460
22_04
Z2528
R490
22K_04
AUDG
AZ_RST#_R
R234
1K_04
C628
*.1U_16V_04
Sheet 26 of 48
Audio Codec
ALC888
Summary of Contents for L390T
Page 1: ......
Page 2: ......
Page 3: ...Preface I Preface LCD Computer L390T Service Manual...
Page 26: ...Introduction 1 12 1 Introduction...
Page 51: ...Part Lists LCD L390T A 3 A Part Lists LCD L390T 3 Figure A 1 LCD L390T...
Page 52: ...Part Lists A 4 Stand L390T A Part Lists Stand L390T Figure A 2 Stand L390T...
Page 53: ...Part Lists Back Fan 1 L390T A 5 A Part Lists Back Fan 1 L390T Figure A 3 Back Fan 1 L390T...
Page 54: ...Part Lists A 6 Back Fan 2 L390T A Part Lists Back Fan 2 L390T Figure A 4 Back Fan 2 L390T...
Page 55: ...Part Lists DVD L390T A 7 A Part Lists DVD L390T Figure A 5 DVD L390T...
Page 56: ...Part Lists A 8 Combo L390T A Part Lists Combo L390T Figure A 6 Combo L390T...