Service manual
Schematic Diagrams
AUDIO ALC880 B - 35
B.Schematic Diagrams
AUDIO ALC880
AUD_A GND
AUD_A GND
AUD _VDD
+5VS
AUD_AGN D
AUD_AGND
+3V
AUD_AG ND
+3V
+5VS
AUD_A GND
+5VS
+5VS
+VDD3
AUD_VDD
+3VS
AUD_AGND
+3V
AUD_VD D
AUD _VDD
+3V H 8
AUD_AG ND
AUD_VDD +3VS
+3V
+3V
+3VS
+3V
AUD _VDD
+VDD5
AUD_AGND
AUD_A GND
AUD_A GND AUD_AGN DAU D_AG NDAUD_AGND AUD_A GND
AUD_AGN D
AUD_AGND
AUD_AGND
AUD_AGN D
AUD_AGND
AUD_A GND
AUD_AGN D
AUD_AGND
AUD_AGN D
+3VH8
FRONT-R35
FRONT-L35
PRE_ROUT35
PRE_LOUT35
+3VS 2,3,6,9,11,12,13,14,16,17,18,19,20,21,23,24,25,26,27,28,30,32,33
+3V 15, 16, 17,20,21,23,25,28,29,30
+3VH8 22,23,25,31
+5VS 16,17,18,22,23,24,25,27,29,30,32,33
AC _SPKR 1 6
PC MSPK 19
ACZ_RST# 14
ACZ_SYNC 14
ACZ_SDATAIN0 14
ACZ_SDATAOUT 14
ACZ_SYNC 14
H8_MUTE23
EAPD _MODE23
H8BEE P23
+VDD5 14,23,26,27,29,30, 32
BT_DET#23,28
USB_PP515
BT_CHCLK28
USB_PN515
BT_EN#23,28
BT_DATA28
ACZ_SDATAIN114
ACZ_BITCLK 14
AUD _VDD 35
+VDD3 3,15,16,20,23,25,26,29,30,31,32
SSu r r - R
Z3438
ACZ _SYN C
Z3426
Z3443
H8_ BEEP
PC MSPK
Z3444
Z3439
SPKL1
Z3429
Z3454
SPKOU TL
RO+
Z3430
SPD IFO
Z3441
ACZ _SDATAIN 0
LFE
Z3437
SPDI FO
Z3428
H8_ BEEP
SEL
Z3420
RO-
SEL
Z3447
GPIO1
Z3442
Z3450
Z3446
MIC1_VREFO_L
Z3449
Z3427
AC _SPKR
Z3440
Z3419
Z3421
Z3451
SP DI F/Sur rB -L
MUTE
MUTE
CH SEL
SPKR 2
H8BE EP
LO-
HPSEL
SPD _IFO
Z3436
SPKOU TR
BEEP
USB_PN5
Z3456
USB_PP5
Z3458
BT_DATA
BT_DET#
Z3457
BT_EN#
BT_CHCLK
LFE
HPSEL
SPKOU TR
LINE1-L
INTMICSEL
MIC
SPD _IFO
LINE1-R
SSurr-R
SPKOU TL
ACZ _BITCLK
ACZ_SYNC
ACZ _SDATAI N1
Z3433
ACZ_RST#
Z3432
ACZ _SDATAOU T
Z3435
Z3431
Z3455
MIC1 -L MIC
INTMICSEL
SPKL2
LO+
Z3448
SPKR 1
Z3445
Z3425
Z3405
Z3408
Z3410
SideSur r-R
MIC 1-L
Z3416
Z3414
Sen se B
Z3413
Z3407
Z3411
Z3418
Sense A
LINE1-R
Z3403
Z3422
LINE1-L
Z3424
FRONT-L
Z3404
Z3412
Z3415
Z3417
Z3402
Z3423
Z3401
MIC1_VREFO_L
Z3406
SideSur r-L
Z3409
ACZ _RST#
Z3453
Z3452
ACZ _SYN C
FRONT-R
ACZ _SDATAOU T
GPIO1
SPDIF_O
SPDIF_O
CHSEL
SideSurr-L
SideSurr-R
ACZ _BITCLK
Z3434
EAPD_MODE
EAPD _MODE
MDC 1
AMP/CON12
12
34
56
78
910
11 12
C348 0.22UF_04
C560
0.1UF
R357
10K_04
C380
0.1UF_04
R365
*x/20K,1%_04
C567 *1UF_04
R2 65 1M_0 4
U20 TPA0202
18
21
7
22
20 15
19
3
10
11 14
1
16
9
8
6
5
4 2
17
23
12
13
24
25
26
27
28
29
30
31
32
33
RVdd
RLINEIN
LVdd
ROUT+
RHPIN ROUT-
RB YPASS
LOUT+
LOU T-
MUTE IN SE/BTL
GND/HS
HP/LINE
MUTE OU T
SHUTDOWN
LBYPASS
LHPIN
LLINEIN TJ
NC
NC
GND/HS
GND/HS
GND/HS
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
C563
680PF_04
R570 0_04
R358
100K_04
R550 0
R150
10K
C354 0. 1UF_04
JAUDIO1
CON15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
JINTMIC1
ACE S/CON 2
1
2
1
2
C562
0.1UF_04
C331 *1UF_04
C202 0.1UF
R153 0
R569 *2M_04
R157 *0
C322
6PF_04
U38
*TC7SZ08
2
1
4
3
5
C360
0.1UF_04
C324
22PF_04
C321 0.1UF_04
C179
0.1UF
C399
0.1UF_04
R590
10K_04
JBLUETOOTH1
CON8
1
2
3
4
5
6
7
8
R337
22_04
C356 1UF_04
C402 0. 1UF_04
R554
1K_04
+
C386
10UF_08
R148 0
R548 0_04
+
C564 47uF/6.3V_D
1 2
R146 0
C276
2200PF_04
R329 0
C383
0.1UF_04
+
C387
10UF_08
R341 10K_04
C312
0.1UF _04
R354 10K_04
C32 7 0. 1U F_ 04
C379
0.1UF_04
U24
ALC880/ALC860
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
DVDD1
GPI O0
GPI O1
DVSS1
SDATA-OUT
BIT- CLK
DVSS2
SDAT A- I N
DVDD2
SYNC
RESET #
PCBEEP
Sense A
LINE2-L
LINE2-R
MIC 2-L
MI C 2 -R
CD-L
CD-GND
CD-R
MIC 1-L
MI C 1 -R
LINE1-L
LINE1-R
AVDD 1
AVSS1
VREF
MIC1-VREFO-L
LINE1-VREFO-L
MIC2-VREFO
LINE2-VREFO
MIC1-VREFO-R
DCVOL
Sense B
FRONT-L
FRONT-R
LINE1-VREFO-R
AVDD2
SURR-L
JDREF/NC
SURR-R
AVSS 2
CEN
LFE
SIDESURR-L
SIDESURR-R
SPD IFI/ EAPD
SPDIFO
R566 *0_04
+
C325
10UF_08
L61
HCB1608K-121T25
R388 *7.5K_04
R266
10K_04
R347 *10K_04
C5 66 1U F _04
C359
0.1UF_04
L36
*HCB3216K-800T30
1 2
R352
10K_04
R390
2.2K_04
R271 0
C351 1UF_04
C355
0.1UF_04
R559 10K_04
R558
10K_04
C334 1UF_04
R391
*0_04
C350 1UF_04
R280 *0_04
C333
100P_04
U8D
74S08/SO_1
12
13
11
147
R359
100K_04
R336 *10K_04
C323
0.1UF_04
C381
330PF_04
C388
*10uF/10V_12
C561
680PF_04
+
C311 47uF/6.3 V_D
1 2
C339
0.01UF_04
R560 *10K_04
R338 0_04
C341
0.01UF_04
C318 0.1UF_04
C3 28 1U F _04
U39
7SH32
2
1
4
3
5
R346
1K_ 04
C390
10UF/10V_12
C353
0.1UF_04
Q22
2N7002
G
S D
C364 1UF _04
C400
0.1UF_04
C336
2.2UF/16V_08
L26
BK32164S600
1
2
3
45
6
7
8
S1
SHOR T
21
R553
1K_04
R549
4.7K_04
C389
10UF/10V_12
C160 330PF_04
CP5
8P4CX180PF
1
2
3
45
6
7
8
L35
HCB3216K-800T30
1 2
C342
0.01UF_04
C382
0.1UF_04
R587 0_04
C349
0.1UF_04
C559
*0.1UF
L40
HCB3216K-800T30/ 0603
1 2
U13
7414_UMT5
24
53
1
Q25
2N7002
G S
D
R334 10K_04
C363 0. 1UF_04
C330 0.22UF_04
R345 10K_04
Q24
2N7002
G
SD
C401 0. 1UF_04
Q26
2N7002
G
S D
R389
*7.5K_04
JSPK 1
CON4_SPK
1
2
3
4
1
2
3
4
+
C385 10UF_08
C365 1UF_04
C338
0. 01U F _04
C3 43 0. 22U F_0 4
C575
6PF_04
(B)
Not Support UAJ
PLEASE PLACE CLOSE CODEC &
AMP THE POWER INPUT PINS
for sense reference
(C)
Reserved for 3 Sense Pin mode
Not Support UAJ
(B)
(D)
REMOVE M/E POSITION
Reserved:
Tied at one point on ly under the
codec or near the co dec
(A)
MDC MODEM
F941202
F950117
F950117
F950118
950222
950222
Sheet 34 of 40
AUDIO ALC880