Schematic Diagrams
B - 26 CODEC ALC850
B.Schematic Diagrams
CODEC ALC850
Sheet 25 of 40
CODEC ALC850
HP_SENSE
FRONT-R
FRONT-L
MUT
E
MUTE
ACZ_RST#
R_OUT+
LOUT-L
LOUT-R
HP_SENSE
H8_MUTE
L_OUT-
R_OUT-
MUTEOUT
PRE_OUT_L
L_OUT+
LOUT-L
LOUT-R
MUTE
SPDIF/SurrB-L
ACZ_BITCLK
CHSEL
ACZ_RST#
ACZ_SDOUT
MIC1
LFE
CD_R
CD_L
CD_IN_L
PC-BEEP
LINE-R
LINE-L
Sense B
CD_IN_R
ACZ_SYNC
ACZ_SDIN0
SurrBack-L
PRE_OUT_R
SurrBack-R
Audio_R
Audio_L
FRONT-MIC1
JD5
Sense A
PRE_OUT_L
PRE_OUT_R
SurrBack-L
SurrBack-R
R729
10K
AMP_MUTE
D04
R569
0(R)
R549
1K
C636
1000P
L57
FCM1608K-121
C787
10U/10V(0805)
R183
0(R)
L92
FCM2012V121
1
2
JSPK1
CON2
L98
BK2125HS121(0805)
C514
0.1U
L88
BK3216HS800
R523
10K
C744
1U
R460
0.1(0805)
1
2
C829
22P(R)
R547
10K
L84
FCM1608K-121
R558
0(R)
C586
8200P
C834
0.1U
R480
0
C838
10U/10V(0805)
L39
FCM1608K-121
C637
0.1U
L94
BK2125HS121(0805)
R466
20K
R427
20K
1
2
C833
22P(R)
C681
4.7UF(0805)
GND/HS
1
GND/HS
12
GND/HS
13
GND/HS
24
NC
2
NC
17
NC
23
VDD
7
VDD
18
L_BYPASS
6
R_BYPASS
19
MUTE OUT
9
MUTE IN
11
SE/BTL#
14
HP/LINE#
16
SHUTDOWN
8
L_OUT-
10
L_OUT+
3
R_OUT-
15
R_OUT+
22
L_HP IN
5
L_LINE IN
4
R_HP IN
20
R_LINE IN
21
U50
TPA0202
SURR-R
SURR-L
FRONT-R
CEN-O
FRONT-L
C135
1U
A
C
D35
ISS355(R)
SurrBack-L
LFE-O
SPDIF-OUT
AMP_MUTE
SurrBack-R
C584
1UF
R524
10K
C778
0.01U
C550
4.7U(0805)
R479
20K
C562
1UF
C745
1U
R503
10K
C746
1U(R)
R509
100
C830
0.01U
C774
0.01U
R532
4.7K
R464
20K
G
D
S
Q46
2N7002
C775
100P(R)
R144
0(R)
1
2
Y8
24.576MHz(R)
C817
0.1U
C804
10U/10V(0805)
C743
1U
R504
10K
GPIO1
R463
20K
T
C606
0.033U
C679
4.7U(0805)
C634
0.22U
C585
1UF
C784
0.01U
C540
8200P
C204
1U(R)
C633
4.7UF(0805)
C513
10U/10V(0805)
C685
0.033U(R)
C134
1U
C783
0.01U
C777
0.01U
C203
1U(R)
R563
0
C683
0.033U
G
S
D
Q53
2N7002
C983
0.1U
R568
0(R)
G
S
D
Q55
2N7002
C819
1U(R)
C806
1000P(R)
G
S
D
Q56
2N7002
R556
22
R475
20K
1
2
JSPK2
CON2
R534
4.7K
C682
0.22U
C603
1U(R)
R143
0(R)
C818
10P(R)
C749
1U
R548
0(R)
C605 1U(R)
C747
1U
C552
1UF
C551
0.1uF
G
S
D
Q54
2N7002
R530
0
R184
0(R)
R531
4.7K
C786
0.01U
T
C782
0.01U
C233
1U
C553
10U/10V(0805)
C805
10U/10V(0805)
R187
10K
L83
FCM1608K-121
L89
FCM2012V-121
C668
0.1U
R567
0(R)
C607
1U(R)
1
2
JSPK5
CON2S
GND
14
GND
8
S
h
u
tDo
wn
2
DC V
o
l Co
n
tro
l
7
Right in
10
HP sense
21
Ga
in
S
e
l
3
Vdd
16
Beep
11
-Left Out
17
+Left Out
15
+Right Out
28
-Right Out
26
L2i
n
19
L2f
in
18
R2
fi
n
25
R2
in
24
Mute
5
Mode
4
Left Dock
13
Left in
12
Right Dock
9
Vdd
27
Vdd
6
GND
1
GND
20
GND
23
By
pas
s
22
U49
APA4835
R562
1M(R)
C785
0.1U
C632
0.1UF
OUT
1
IN
8
GND
2
GND1
3
GND2
6
GND3
7
T
4
NC
5
U51 78L05(SO8)(R)
R557
0
C803
1U
R502
1K
C541
0.1U
L56
FCM1608K-121
1
2
JSPK3
CON2S
R188
10K
C669
10U/10V(0805)
R478
20K
C680
0.1UF
1
2
JSPK4
CON2S
DV
DD1
1
GPIO0/XTLI
2
GPIO1/XTLO
3
D
VSS1
4
SDATA-OUT
5
BIT-CLK
6
D
VSS2
7
SDATA-IN
8
DV
DD2
9
SYNC
10
RESET#
11
PCBEEP
12
Sense A(JD1)
13
LINE2-L/AUX-L
14
LINE2-R/AUX-R
15
MIC2-L
16
MIC2-R
17
CD-L
18
CD-GND
19
CD-R
20
MIC1-L
21
MIC1-R
22
LINE1-L
23
LINE1-R
24
AVSS1
26
VREF
27
MIC1-VREFO-L
28
LINE1-VREFO-L
29
MIC2-VREFO
30
LINE2-VREFO
31
MIC1-VREFO-R
32
DCVOL
33
Sense B(JD2)
34
FRONT-OUT-L
35
FRONT-OUT-R
36
LINE1-VREFO-R
37
SURR-OUT-L
39
JDREF
40
SURR-OUT-R
41
AVSS2
42
CEN-OUT
43
LFE-OUT
44
SurrBack-L/GPIO0
45
SurrBack-R/XTLSEL
46
SPDIFI/EAPD
47
SPDIFO
48
A
V
DD2
38
A
V
DD1
25
U55
ALC850
C658
0.1U
C751
1U
C684
1000P
R443
20K
G
D
S
Q6
2N7002(R)
L38
FCM1608K-121
C750
1U
C604
1U(R)
C776
0.01U
R476
20K
R717
0(R)
R425
0.1(0805)
R551
10K(R)
C549
0.1UF
C232
1U
C689
0.1U
C780
0.1U
T
R561
22
C779
0.01U
C982
0.1U
T
C635
0.033U(R)
C631
0.1UF
L93
BK2125HS121(0805)
R426
0.1(0805)
C820
1000P(R)
R465
0.1(0805)
C781
0.1U
T
C587
0.1U
C748
1U
C602
4.7U(0805)
T
C563
10U/10V(0805)
L53
FCM1608K-121
R137
0
R525
10K
C594
0.1UF
R546
0
R477
20K
R535
4.7K
C548
1UF
C529
0.1U
L52
FCM1608K-121
+5VCDROM
APGND
+12V
VDDAC
APGND
AG
N
D
VDDAC
APGN
D
AGND
AMP5V
APGND
AGND
AG
N
D
APGND
AMP5V
+3VS
AG
N
D
+5VCDROM
AGND
APGN
D
AGND
APGND
AG
N
D
VDDAC
+5VCDROM
AMP5V
AGND
AGND
VDDAC
OPVCC
APGND
APGND
AGND
APGND
APGND
APGND
+12V
AMP5V
+3VS
OPVCC
AG
N
D
LINE-R
(26)
MIC1
(26)
LOUT-R
(26,28)
ACZ_SYNC
(12,21,27,29)
L_OUT+
(26)
LFE
(26)
PRE_OUT_L
(28)
+5VCDROM
(26,27)
LOUT-L
(26,28)
CD_R
(26,27)
CODECCLK14
(2)
Audio_R
(26,29)
Audio_L
(26,29)
MIC1-VREFO-L (26)
H8_MUTE
(24)
ACZ_SDIN0
(12,27)
R_OUT+
(26)
PC-BEEP
(24)
CDGND
(26,27)
LINE-L
(26)
CD_L
(26,27)
ACZ_BITCLK
(12,21,27,29)
FRONT-L
(28)
+12V
(14,18,26,28,32,34)
PRE_OUT_R
(28)
HP_SENSE
(26)
ACZ_RST#
(12,21,27,29)
FRONT-R
(28)
ACZ_SDOUT
(12,21,27,29)
SurrB-R
(26)
TV_LINE_R
(16,26)
SPDIF/SurrB-L (26)
+3VS
(2,8,9,10,11,12,13,14,15,16,19,20,21,22,24,27,29,31,32,3
TV_LINE_L
(16,26)
SurrB-R
CHSEL
R183
0(R)
NC
0.01UF
C777
C776
NC
1U
C233
C232
1U
RD
0(R)
15MIL
C743
NC
NC
1U
1U
C744
f=1/(2
π
R3C2)=1KHZ, so
C2=8200P
R144
ALC 880
0
40MIL
Not Support UAJ
60M
IL
60M
IL
0
60MIL
NC
RC
80MIL
0
40MIL
RB
R143
NC
NC
R567
NC
80MIL
ALC 850
RA
15MIL
0.01UF
NC
NC
R184
60MIL
NC
CODECCLK14
MIC1-VREFO-L
JD4
JD3
AMP_MUTE
SPDIF-OUT
GPIO1
GPIO1
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Summary of Contents for D900K
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Page 42: ...Disassembly 2 16 2 Disassembly All manuals and user guides at all guides com ...
Page 43: ...Disassembly 2 17 2 Disassembly All manuals and user guides at all guides com ...
Page 44: ...Disassembly 2 18 2 Disassembly All manuals and user guides at all guides com ...
Page 54: ...Part Lists A 10 A Part Lists All manuals and user guides at all guides com ...