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Schematic Diagrams
CODEC ALC850
(2)
CODECCLK14
(24)
PC-BEEP
Not Support UAJ
(16,26)
TV_LINE_L
(16,26)
TV_LINE_R
(26,29)
(26,29)
Sheet 25 of 40
(26,27)
(26,27)
(26,27)
CODEC ALC850
(26)
(26)
(26)
(26)
(26,28)
LOUT-L
(26)
JSPK5
CON2S
B - 26 CODEC ALC850
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L98
BK2125HS121(0805)
+3VS
C804
CODECCLK14
R567
0(R)
10U/10V(0805)
R562
1M(R)
Y8
1
2
U55
C833
24.576MHz(R)
C829
22P(R)
22P(R)
2
GPIO0/XTLI
R717
0(R)
3
GPIO1/XTLO
GPIO1
C818 10P(R)
ACZ_SDOUT
5
(12,21,27,29)
ACZ_SDOUT
ACZ_BITCLK
SDATA-OUT
R561
22
6
(12,21,27,29)
ACZ_BITCLK
ACZ_SDIN0
BIT-CLK
R556
22
8
(12,27)
ACZ_SDIN0
ACZ_SYNC
SDATA-IN
10
(12,21,27,29)
ACZ_SYNC
ACZ_RST#
SYNC
11
(12,21,27,29)
ACZ_RST#
RESET#
C775 100P(R)
R549
1K
PC-BEEP
R547
10K
C803
1U
12
PCBEEP
JD5
R548
0(R)
Sense A
R546
0
13
Sense A(JD1)
Sense B
34
Sense B(JD2)
FRONT-MIC1
R569
0(R)
SurrBack-L
RC
R144
0(R)
C743
1U
14
LINE2-L/AUX-L
R143
0(R)
SurrBack-R
C744
1U
15
RD
LINE2-R/AUX-R
Audio_L
C204
1U(R)
Audio_L
Audio_R
C203
1U(R)
16
Audio_R
MIC2-L
R530
0
17
MIC2-R
R531
4.7K
CD_L
R532
4.7K
C745 1U
CD_IN_L
18
CD_L
CD-L
C746 1U(R)
19
CDGND
CD-GND
CD_R
R534
4.7K
C747
1U
CD_IN_R
20
CD_R
CD-R
R535
4.7K
MIC1
C748
1U
21
MIC1
MIC1-L
LFE
C749
1U
22
LFE
MIC1-R
LINE-L
C750
1U
23
LINE-L
LINE1-L
LINE-R
C751
1U
24
LINE-R
LINE1-R
C783
C781
C779
C777
C830
C786
C784
0.01U
0.1U
0.01U
0.01U
0.01U
0.01U
0.01U
C782
C780
C778
C776
C774
0.01U
0.1U
0.01U
0.01U
0.01U
VDDAC
AGND
CHSEL
R188
10K
R187
Q55
G
2N7002
10K
GPIO1
Q56
AGND
2N7002
SPDIF-OUT
D
S
Q54
2N7002
SurrBack-L
SPDIF/SurrB-L
S
D
SPDIF/SurrB-L (26)
CHSEL
Q53
2N7002
SurrBack-R
SurrB-R
S
D
SurrB-R
(26)
U50
LOUT-L
C685 0.033U(R)
R524
10K
4
L_LINE IN
PRE_OUT_L
C683 0.033U
5
L_HP IN
C684
C682
R525
1000P
10K
0.22U
L_OUT+
JSPK1
APGND
L_OUT+
L84
FCM1608K-121
15MIL
3
1
L_OUT+
L83
FCM1608K-121
2
L_OUT-
15MIL
10
L_OUT-
CON2
6
L_BYPASS
L57
FCM1608K-121
1
MUTEOUT
L56
FCM1608K-121
8
2
SHUTDOWN
OPVCC
9
MUTE OUT
L92
7
AMP5V
VDD
FCM2012V121
18
VDD
C681
C679
C602
C632
C680
4.7UF(0805)
1
GND/HS
12
GND/HS
4.7U(0805)
4.7U(0805)
0.1UF
0.1UF
13
GND/HS
24
GND/HS
TPA0202
APGND
VDDAC
C817
C787
C785
C834
C838
0.1U
0.1U
0.1U
10U/10V(0805)
10U/10V(0805)
AGND
AGND
27
C805 10U/10V(0805)
VREF
28
R557
0
MIC1-VREFO-L
MIC1-VREFO-L (26)
MIC1-VREFO-L
32
MIC1-VREFO-R
29
C806 1000P(R)
LINE1-VREFO-L
37
LINE1-VREFO-R
30
C820 1000P(R)
MIC2-VREFO
JD4
31
R558
0(R)
LINE2-VREFO
C819
1U(R)
FRONT-L
35
FRONT-OUT-L
FRONT-R
36
FRONT-OUT-R
SURR-L
39
SURR-OUT-L
SURR-R
41
SURR-OUT-R
43
CEN-O
CEN-OUT
LFE-O
44
GPIO1
LFE-OUT
RB
R183
0(R)
SurrBack-L
45
C232
1U
SurrBack-L/GPIO0
SurrBack-R
46
C233
1U
SurrBack-R/XTLSEL
R184
0(R)
RA
33
R563
0
DCVOL
VDDAC
JD3
40
R568
0(R)
JDREF
AMP_MUTE
47
SPDIFI/EAPD
SPDIF-OUT
48
SPDIFO
ALC850
AGND
(28)
PRE_OUT_L
(28)
FRONT-L
(28)
FRONT-R
(28)
PRE_OUT_R
LOUT-R
21
R503
10K
C635 0.033U(R)
R_LINE IN
LOUT-R
PRE_OUT_R
20
C606 0.033U
R_HP IN
C634
C636
R504
0.22U
10K
1000P
R_OUT+
(26)
APGND
JSPK2
R_OUT+
22
60MIL
L39
FCM1608K-121
R_OUT+
1
L38
FCM1608K-121
R_OUT-
2
15
60MIL
R_OUT-
CON2
19
L52
FCM1608K-121
R_BYPASS
L53
FCM1608K-121
HP_SENSE
14
SE/BTL#
HP_SENSE
(26)
16
HP/LINE#
D35
AMP_MUTE
MUTE
11
C
A
MUTE IN
R729
R502
R523
Q46
ISS355(R)
2
C633
C631
2N7002
NC
T
17
G
R509
100
H8_MUTE
NC
T
23
4.7UF(0805)
0.1UF
NC
T
1K
10K
Q6
2N7002(R)
G
R137
0
AMP_MUTE
OPVCC
APGND
L94
BK2125HS121(0805)
ACZ_RST#
R551
10K(R)
U51 78L05(SO8)(R)
40MIL
1
VDDAC
OUT
IN
C982
C983
C668
C669
5
NC
C587 0.1U
0.1U
0.1U
0.1U
10U/10V(0805)
L93
APGND
BK2125HS121(0805)
AGND
C637 0.1U
80MIL
L89
AMP5V
FCM2012V-121
C553
AGND
10U/10V(0805)
C541
C563
ALC 880
ALC 850
L88
R183
NC
0
0.1U
10U/10V(0805)
BK3216HS800
R184
NC
0
C529 0.1U
R143
0(R)
NC
+12V
R144
0(R)
NC
APGND
R567
0
NC
+12V
(14,18,26,28,32,34)
C776
0.01UF
NC
+5VCDROM
C777
0.01UF
NC
+5VCDROM
(26,27)
C232
1U
NC
+3VS
C233
1U
NC
+3VS
(2,8,9,10,11,12,13,14,15,16,19,20,21,22,24,27,29,31,32,3
C743
1U
NC
f=1/(2πR3C2)=1KHZ, so
C744
1U
NC
C2=8200P
C562 1UF
R463
20K
C584 1UF
R464
20K
C540 8200P
AMP5V
R427
MUTE
R480
0
U49
HP_SENSE
21
HP sense
PRE_OUT_L
C135 1U
5
Mute
4
Mode
FRONT-L
C603 1U(R)
R476
20K
13
LOUT-L
Left Dock
-Left Out
C604 1U(R)
12
Left in
R477
20K
FRONT-R
C607 1U(R)
11
Beep
+Left Out
LOUT-R
C605 1U(R)
R478
20K
10
Right in
9
Right Dock
PRE_OUT_R
C134 1U
R479
20K
6
AMP5V
Vdd
+Right Out
16
Vdd
C552
C549
C594
27
Vdd
-Right Out
1UF
0.1UF
0.1UF
1
GND
8
GND
14
GND
20
(26,28)
GND
APGND
23
GND
APA4835
APGND
C551
C550
0.1uF
4.7U(0805)
JSPK4
APGND
APGND
1
R466
2
CON2S
C585 1UF
R475
20K
C586 8200P
C548 1UF
R443
20K
10K
H8_MUTE
(24)
D04
+5VCDROM
40MIL
8
+12V
C658
0.1U
C689 0.1U
80MIL
+5VCDROM
C513
10U/10V(0805)
C514
0.1U
20K
17
R426
0.1(0805)
JSPK3
2
15
R425
0.1(0805)
1
CON2S
28
R460
0.1(0805)
26
R465
0.1(0805)
20K
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