EUROCOM D47EV Service Manual page 115

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 47
15,20 AC_BCLK
AC_SYNC
15,20 AC_SYNC
AC_SDOUT
15,20 AC_SDOUT
AC_SDIN0 R628 47
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
0.1UF C830
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 0
AGND
CDGND R640 0
14 CDGND
7/8
C893 0.22U(R)
17 CLINE-L
40EV:14K U40
LOUT-L
C883 0.22U R702 10K 4
L_LINE IN
5
L_HP IN
C884 0.22U
L_OUT+
C882 R701
27 L_OUT+
1000P 15K
AGND
JSPK5
L152 FCM1608K-121 3
1 L_OUT+
L151 FCM1608K-121
2
L_OUT- 10
L_OUT-
CON2
JSPK1
6
L_BYPASS
L46 FCM1608K-121
1
MUTEOUT
L45 FCM1608K-121 8
2 SHUTDOWN
OPVCC 9
MUTE OUT
CON2S L147 7
VDDA VDD
FCM2012V121 18
VDD
C885
C887 C860 C859 C886 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
AGND:25,26,27,28,29,30,31,32,33
AGND
TPA0202
AC_BCLK
C788
47P
L143
FCM1608K-121 VDDA
+3VS
R642
C906 C907 C798 C801 C836 C831
0.1UF 0.1UF
10UF/10V 10UF/10V 10UF/10V 10UF/10V
0(R)
AGND
C833 0
U36
C834 0
2
XTL-IN
3 35
XTL-OUT LINE-OUTL
36
LINE-OUTR
37
MONO-OUT T
11 27
RESET# VREF
6 28 Vrefout
Vrefout 27
BIT-CLK VREFOUT
10
SYNC
5 29 C846 1000P
SDATA-OUT AFILT1
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 0(R)
VIDEO-R
18
CD-L
SPDIF/LFE#
20 45
CD-R ID0#
SPDIFOUT
21 48
MIC1 SPDIFO
22 39 C835 1UF
MIC2 HP-OUT-L
23 40
LINE-L AVSS
24 41 C821 1UF
LINE-R HP-OUT-R
47
JD
C795 R637 4.7K(R)
AMP_MUTE
0.01UF
C792
0.01UF ALC650 AGND
For headphone application,
C820
0.1UF(R)
C815 1UF
AGND
7/8
C843 0.22U(R)
40EV:14K
21 R670 10K C856 0.22U
R_LINE IN
20
R_HP IN
C857 0.22U
R669
15K C855
R_OUT+
AGND
1000P
22 L53 FCM1608K-121
R_OUT+
L54 FCM1608K-121
15 R_OUT-
R_OUT-
19 L48
R_BYPASS
L47
HP_SENSE
14
HP_SENSE 27
SE/BTL#
16
HP/LINE# D43
AMP_MUTE
11 MUTE C A
MUTE IN
2 R671 R686 ISS355
NC T
17 C858 C867 D Q13 R726
NC T
23 2N7002
NC T
4.7UF(0805) 0.1UF S G R727
1K 10K
OPVCC AGND
SPDIF/LFE#
SPDIFOUT
D
Q14
2N7002
LINE-L
CHSEL
LINE-R
L148
LOUT-L
U43
60 mil
LOUT-R 1
VDDA
OUT
C844 0.1UF
C876 C875 C874
C832 10UF/10V 0.1UF 4.7U(0805) 10UF/10V
AGND
C849 C848 C847
1UF(R) 1UF 1UF
AGND AGND AGND AGND
AC_SDIN0
AC_SDIN1
15,20 AC_SDIN1
AGND
AC_BCLK
C826 1UF R645
C825 1UF R644
VDDA
CLINE-R17
U33
HP_SENSE
21
HP sense
MUTE
R221 0 5
Mute
LOUT-R
4
Mode
CLINE-L C234 1U(R)
R223 20K 13
LOUT-L Left Dock
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
R222 20K
1
6
VDDA
2 Vdd
16
Vdd
CON2 JSPK2 C790 C791 C241 27
Vdd
FCM1608K-121
1
FCM1608K-121 1UF 0.1UF 0.1UF 1
2 GND
8
GND
14
CON2S
GND
20
GND
23
AGND
GND
APA4835
0(R) LAN_PWRON
AGND
LAN_PWRON 15
0 H8_MUTE
H8_MUTE24
C828 C829
7/8
VDDA
0.1uF 4.7U(0805)
CHSEL
R220 10K
AGND AGND
R219 D
Q15
G S
2N7002
10K
C840 1UF R662
C841 1UF R661
AGND
G
S
Q17
2N7002 G
D S SPDIF/LINE-L
SPDIF/LINE-L 27
G Q16
2N7002
SPDIF/LINE-R
D S
SPDIF/LINE-R 27
Audio Codec ALC650 (71-D40U0-D04A) B - 27
Schematic Diagrams
FCM2012V121(R)
60 mil
8
+12V
IN
C895 C888
78L05(SO8) 10UF/10V 0.1UF
L144
BK3216HS800
C868 0.1UF
Sheet 26 of 42
Audio Codec
R619 10K
R570 10K
ALC650
R620 10K(R)
f=1/(2πR3C2)=2KHZ, so C2=1.6nF
20K
20K C827 8200P
R646 49.9K
17
-Left Out
JSPK6
1
15
+Left Out 2
CON2
JSPK4
28
+Right Out 1
2
26 CON2
-Right Out
R647 49.9K
20K
C842 8200P
20K