Service manual

Schematic Diagrams
B - 24
Schematic Diags
AMP TPA0202 / ALC650
Sheet 23 of 39
AMP TPA0202 /
ALC650
VCC5SVDDA
VDDA
VDDA
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
VCC3S
AGND
AGND
VDDAC
AGND
VDDAC
VDDA
VDDA
VCC5S
+12V
AGND
VDDAC
APGND
APGND
APGND
APGND
APGND
APGND
APGND
AGND
AGNDAGND AGND
AC_BCLK
AC_SDIN0
AC_BCLK
Shutdown
HP_SENSE
L_OUT-
L_OUT+ R_OUT+
LINE_OUT_R
R_OUT-
HP_SENSE
LINE_OUT_L
AC_SYNC
CDGND
AC_SDIN0
Vrefout
CD-L
SPDIFOUT
LINE_OUT_L
LFE
MIC1
AC_SDOUT
AC_BCLK
SPDIF/LFE#CD-R
AC_RST#
Shutdown
LBP
PHONE
LINE-R SPDIF/LINE-R
CHSEL
SPDIFOUT
SPDIF/LFE#
CEN
CEN
CEN
LINE_OUT_R
LINE_OUT_R
LINE_OUT_L
SPDIF/LINE-L
CHSEL
LINE-L
C838
4.7U(0805)
JSPK6
CON2
1
2
C925
10U/10V(0805)(R)
C326 0.1U(R)
C880
0.1U
L64 FCM1608K-121
C825
10U/10V(0805)
C834
0.01U
C874 0.22U
T408
R680
100K(R)
C819
10U/10V(0805)
L73
FCM2012V-121
R692
10K
C842 1U
R696 47
T406
R302 10K
C866
10U/10V(0805)
C349 10U/10V(0805)
C865
1000P
C836
220P
C877 1U(R)
C879
0.1U(R)
R308
15K
C915 1U(R)
R686
4.7K
R295
1K
C868
1U(R)
R708 20K
T403
C365 0.22U
C859 1U
C331
0.01U
R694 20K
C843
0.1U
R303 0
L94
BK2125HS121(0805)
C357
1U
L65 FCM1608K-121
C366
0.1U
R306 0
L23
FCM2012V-121
C833
4.7U(0805)
Q34 2N7002
G S
D
C870
10P
L79 FCM1608K-121
C347
0.1U
R307
10K
T
R305 20K
C856 1U
L92
BK3216HS800
R683 4.7K
C381 1U
L72
BK3216HS800
C924 0.1U
L67 FCM1608K-121
C361
1U
C827
0.1U
C926
10U/10V(0805)
R287 0
R693 20KC855 1U
C857
0.1U
C370 8200P
C848
1U
R685 4.7K
C839
0.1U
R304 20K
R710 20K
R681
100K(R)
C356
1000P
L74 FCM1608K-121
R691 10K
C929
10U/10V(0805)
C334
0.01U
C844
1U
R687 100
Q35
2N7002
G
S D
C382 1U
C840
0.1U
JSPK4
CON2
1
2
Q36
2N7002
G
S D
JSPK5
CON2
1
2
C846 1U
C346
0.01U
C380 1U
C847
1U
C873
220P
C916 1U(R)
R301 10K(R)
R679
1K
C364
4.7U(0805)
C835
0.01U
R682
4.7K
C849
1U
C336
0.01U
JSPK2
CON2S
1
2
T
C335
0.01U
C923
0.1U(R)
C875
0.1U
C841 1U
L66 FCM1608K-121
C355
10P
U39 78L05(SO8)
1 8
2 3 6 7 4
5
OUT IN
GND GND1 GND2 GND3 T
NC
C832 0.22U
U34
ALC650
1 9 25 38
4 7 26 42
2
3
5
6
8
10
11
12
13
14
15
16
17
18
20
19
21
22
23
24
27
28
29
30
31
32
33
34
35
36
37
39
40
41
43
44
45
46
47
48
VDD VDD
AVDD AVDD
VSS VSS AVSS NC
XTL-IN
XTL-OUT
SDATA-OUT
BIT-CLK
SDATA-IN
SYNC
RESET#
PC-BEEP
PHONE
AUX-L
AUX-R
VIDEO-L
VIDEO-R
CD-L
CD-R
CD-GND
MIC1
MIC2
LINE-L
LINE-R
VREF
VREFOUT
AFILT1
AFILT2
VRAD
VRDA
CAP1
NC
LINE-OUTL
LINE-OUTR
MONO-OUT
HP-OUT-L
AVSS
HP-OUT-R
AVDD
AVSS
ID0#
ID1#
JD
SPDIFO
R709 20K
R286 100
C858
10U/10V(0805)
C878 1U(R)
T402
C368
0.1U
C845 1U
R702 0
R309
10K
JSPK3
CON2
1
2
R288 10K
L24 FCM1608K-121
C928
0.1U
C864
0.1U
C369
4.7U(0805)
C367 8200P
C927
0.1U
R699 33
C363
4.7U(0805)
Q11
2N7002
G
S D
C379 1U
JSPK1
CON2S
1
2
C837 0.22U
C333
0.1U
R684 0
R294 10K
T
C826
10U/10V(0805)
U36
APA4835
14
8
2 7
10
21
3
16
11
17
15
28
26
19 1825
24
5
4
13
12
9
27
6
1
20
23
22
GND
GND
ShutDown DC Vol Control
Right in
HP sense
Gain Sel
Vdd
Beep
-Left Out
+Left Out
+Right Out
-Right Out
L2in
L2finR2fin
R2in
Mute
Mode
Left Dock
Left in
Right Dock
Vdd
Vdd
GND
GND
GND
Bypass
C362
1U
R711 20K
C876
0.1U
R289
15K
L93
BK2125HS121(0805)(R)
R310 49.9K
R703 4.7K(R)
C332
0.1U
C322
0.1U
R311 49.9K
0.47U(R)C869
L78 FCM1608K-121
C888
1U
U33
TPA0202
1
12
13
24
2
17
23
7
18
6 19
9
11
14
16
8
10
3
15
22
5
4
20
21
GND/HS
GND/HS
GND/HS
GND/HS
NC
NC
NC
VDD
VDD
L_BYPASS R_BYPASS
MUTE OUT
MUTE IN
SE/BTL#
HP/LINE#
SHUTDOWN
L_OUT-
L_OUT+
R_OUT-
R_OUT+
L_HP IN
L_LINE IN
R_HP IN
R_LINE IN
C348
0.1U
L75 FCM1608K-121
D51
1SS355
A C
AC_BCLK[19,22]
AC_BCLK[19,22]
AC_SDIN0[19]
L_OUT+[24]
14.3M_AUDIO[5]
AC_RST#[19,22]
AC_SYNC[19,22]
AC_SDOUT[19,22]
PHONE[22]
CLINE-L[20]
CLINE-R[20]
CD-L[22]
CD-R[22]
MIC1[24]
LINE-L
LINE-R
CDGND[22]
AC_BCLK[19,22]
AC_SDIN0[19]
Vrefout [24]
LBP[22]
SPDIF/LINE-L [24]
SPDIF/LINE-R [24]
HP_SENSE [24]
LFE[24]
R_OUT+ [24]
Shutdown [28]
For headphone application,