Audio Codec Alc650 - EUROCOM D400V Service Manual

Audio Codec ALC650

For some crystal,
the bias resistor is needed
1M(R)
R630
Y7
24.576MHz
C800 C799
22P 22P
AC_RST#
15,20 AC_RST#
AC_BCLK R629
15,20 AC_BCLK
AC_SYNC
15,20 AC_SYNC
AC_SDOUT
15,20 AC_SDOUT
AC_SDIN0 R628
15 AC_SDIN0
R617
5.6K
LBP R618 10K C787 1UF
29 LBP
PHONE C786
1UF
20 PHONE
R229 100(R) C797 1UF
17 CLINE-L
R228 100(R) C794 1UF
17 CLINE-R
C807 0.1UF
C805 0.1UF
CD-L R636 4.7K C806 1UF
14 CD-L
CD-R R648 4.7K C816 1UF
14 CD-R
MIC1 C819
27 MIC1
LFE
C830
0.1UF
27 LFE
LINE-L
R227 10(R) C238 1UF 1UF
17 CLINE-L
LINE-R
R226 10(R) C237 1UF
17 CLINE-R
R234 C818
R233 R225 R649 R635 R218 100K(R) 0.01UF C808 C793
C240
0.1UF C239 0.01UF 0.01UF
100K(R)
100K(R) 4.7K 4.7K 100K(R) 0.1UF C817 C796
0.01UF 0.01UF
R641
AGND
CDGND
R640
14 CDGND
C893 0.22U(R)
17 CLINE-L
LOUT-L
C883 0.22U R702 10K 4
5
C884 0.22U
L_OUT+
C882 R701
27 L_OUT+
220P 15K
AGND
JSPK5
L152 FCM1608K-121 3
1
L151 FCM1608K-121
2
L_OUT-
10
CON2
JSPK1
6
L46 FCM1608K-121
1
L45 FCM1608K-121 MUTEOUT 8
2
OPVCC 9
CON2S L147 7
VDDA
FCM2012V121 18
C885
C887 C860 C859 C886 4.7UF(0805) 1
12
4.7U(0805) 4.7U(0805) 0.1UF 0.1UF 13
24
AGND
AC_BCLK
C788
47P
L143
FCM1608K-121 VDDA
+3VS
R642
C798 C801 C836 C831
0.1UF 0.1UF
10UF/10V 10UF/10V
0(R)
AGND
C833
U36
C834
2
XTL-IN
3 35
XTL-OUT LINE-OUTL
36
LINE-OUTR
37
MONO-OUT T
11 27
RESET# VREF
47 6 28 Vrefout
BIT-CLK VREFOUT
10
SYNC
5 29 C846 1000P
SDATA-OUT AFILT1
47 8 30
SDATA-IN AFILT2
C845
1000P
31
VRAD
12 32
PC-BEEP VRDA
13 33
PHONE CAP1
14 34 C850 0.47U(R)
AUX-L NC
15
AUX-R
16 46
VIDEO-L ID1#
17 R638
VIDEO-R
18
CD-L SPDIF/LFE#
20 45
CD-R ID0# SPDIFOUT
21 48
MIC1 SPDIFO
22 39 C835
MIC2 HP-OUT-L
23 40
LINE-L AVSS
24 41 C821
LINE-R HP-OUT-R
47
JD
C795 R637 4.7K(R)
AMP_MUTE
0.01UF
C792
0.01UF ALC650 AGND
For headphone application,
0 C820
0.1UF(R)
0 C815 1UF
AGND
C843 0.22U(R)
U40
21 R670 10K C856 0.22U
L_LINE IN R_LINE IN
20
L_HP IN R_HP IN
C857 0.22U
R669
15K C855
R_OUT+
AGND
220P
22 L53
L_OUT+ R_OUT+
L54
R_OUT-
15
L_OUT- R_OUT-
19
L_BYPASS R_BYPASS
14 HP_SENSE
HP_SENSE 27
SHUTDOWN SE/BTL#
16
MUTE OUT HP/LINE# D43
VDD
AMP_MUTE
11 MUTE C A
VDD MUTE IN
GND/HS
2 R671 R686 ISS355
GND/HS NC T
17 C858 C867 D Q13
GND/HS NC T
23 2N7002
GND/HS NC T
4.7UF(0805) 0.1UF S G
1K 10K
AGND:25,26,27,28,29,30,31,32,33
OPVCC
AGND
TPA0202
SPDIF/LFE#
SPDIFOUT
LINE-L
LINE-R
0 LOUT-L
LOUT-R
0
60 mil
VDDA
C844 0.1UF
C874
C832 10UF/10V 10UF/10V
C876 C875
Vrefout 27
0.1UF 4.7U(0805)
AGND
C849 C848 C847
0(R) 1UF(R) 1UF 1UF
AGND AGND AGND AGND
1UF
1UF
15,20 AC_SDIN1
AGND
C826 1UF
C825 1UF
CLINE-R 17
U33
HP_SENSE
21
MUTE HP sense
R221 0 5
Mute
LOUT-R
4
Mode
CLINE-L C234 1U(R)
R223 20K 13
Left Dock
LOUT-L C784 1UF 12
Left in
R626 20K
CLINE-R C233 1U(R) 11
Beep
R_OUT+ 27
LOUT-R
C785 R627 20K 10
Right in
JSPK3 1UF 9
Right Dock
FCM1608K-121 R222 20K
1
FCM1608K-121 6
2 VDDA Vdd
16
Vdd
CON2 JSPK2 C790 C791 C241 27
Vdd
L48 FCM1608K-121
1
L47 FCM1608K-121 1UF 0.1UF 0.1UF 1
2 GND
8
GND
14
CON2S
GND
20
GND
23
AGND
GND
APA4835
LAN_PWRON
R726 0 AGND
LAN_PWRON 15
R727 0(R) H8_MUTE
H8_MUTE24
C828
VDDA 0.1uF
CHSEL
R220 10K
AGND
R219 D
Q15
G S
2N7002
10K
C840 1UF
C841 1UF
AGND
G
D S
Q17
Q14
2N7002 G
2N7002
SPDIF/LINE-L
D S
SPDIF/LINE-L 27
CHSEL
G Q16
2N7002
SPDIF/LINE-R
D S
SPDIF/LINE-R 27
Audio Codec ALC650 (71-D40U0-D03) B - 27
Schematic Diagrams
60 mil
L148
+5VS
FCM2012V121
C895
C888
10UF/10V
0.1UF
L144
BK3216HS800
C868 0.1UF
Sheet 26 of 42
Audio Codec
AC_SDIN0
R619 10K
AC_SDIN1
R570 10K
ALC650
AC_BCLK
R620 10K(R)
f=1/(2πR3C2)=2KHZ, so C2=1.6nF
R645 20K
R644 20K C827 8200P
VDDA
R646 49.9K
17
-Left Out
JSPK6
1
15
+Left Out 2
CON2
JSPK4
28
+Right Out 1
2
26 CON2
-Right Out
C829
4.7U(0805)
AGND
R647 49.9K
R662 20K
C842 8200P
R661 20K