Asus A6J - Audio Amplifier Circuits

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
(Linein)FL = 33.9 Hz
(Linein)FH = 23.4K Hz
(Headphone Mode) FL = 15.9Hz
(Headphone Mode) FH = 23.4K Hz
Fix POP of the internal speaker
when power-on
X
HP Mode H
L
L
SE/BTL# SPDIF_IN
SPDIF Mode
SPK Mode
Hi-ZH
Fix POP of the internal speaker
when power-off
Headphone & SPDIF JACK
PR BlOCK 1
Custom
28 63Tuesday, November 22, 2005
ASUSTeK COMPUTER INC
Audio AMP
2.0
A6J
Marco Chen
<Variant Name>
Size Project Name
Rev
Date: Sheet
of
Title :
Engineer:
MUTE_POP#
JACK_IN#
ACZ_RST#_AUD
H_SPKR+_CON
H_SPKL+_CON
H_SPKL-
H_SPKR-
H_SPKL+
H_SPKR-_CON
H_SPKR+
H_SPKL-_CON
JACK_IN#
H_SPKL+
H_SPKR+
SPDIF_DET
MUTE_POP#
JACK_IN#
SPDIF_DET
H_SPKR-
H_SPKR+
H_SPKL-
+5VS_AMP
HP/LINE#
SE/BTL#
+5VS_AMP
H_SPKL+
SE/BTL#
HP/LINE#
SE/BTL#
OP_SD#
GND_AUDIO
GND_AUDIO
GND_AUDIO
+5V_AUDIO
GND_AUDIO
+3VSUS +12V
GND
+5VS_AMP
+5VS_AMP
GND_AUDIO
+5VS_AMP
GND
GND
GND
GND
GND_AUDIO
+5VS_AMP
GND
GND_AUDIO
+5VS_AMP
VCC_SPDIF
GND_AUDIO
GND_AUDIO
GND_AUDIO
+3VS
GND
GND_AUDIO
GND
GND
GND
VCC_SPDIF
+5VS_AMP
GND
GND
GND_AUDIO
GND
GND_AUDIO
C2814
10UF/10V
c0805
12
R2811
100KOhm
r0402
1 2
R2833
100KOhm
r0603_h24
12
G
S
D
3
2
1
Q2806
2N7002
1
32
R2819
10KOhm
12
R2828
0Ohm
1 2
R2806
100KOhm
r0402
@
12
L2804 120Ohm/100Mhz
21
R2834
0Ohm
1 2
R2805 10KOhm
r0603
12
C2801
2.2UF/10V c0603
1 2
D2805
1SS355
@
12
C2812
2.2UF/10V c0603
1 2
R2809
2.2MOhm
1 2
R2814 100KOhm
r0603_h24
1 2
C2827
2.2UF/10V
12
D2804
1SS355 @
12
+
CE2802
100UF/10V
1 2
R2801 10KOhm
r0603
12
GND
VCC
Vin
MS
CON2802
PHONE_JACK_8P
C
9
11
12
B
A
6
1
4
5
7
10
R2821
66.5OHM
1 2
C2810
1UF/10V
C0603
1 2
R2808
10KOhm
r0402_h16
1 2
+
CE2801
100UF/10V
1 2
R2836
10KOhm
r0603_h20
12
R2827
10KOhm
12
L2802120Ohm/100Mhz
21
Q2803B
UM6K1N
5
34
C2806
2.2UF/10V c0603
12
C2804
100PF
@
c0402
12
C2803 100PF/50V
c0402
1 2
C2805
100PF
@
c0402
12
C2811
2.2UF/10V c0603
12
C2819
100PF
@
c0402
12
R2815 9.1KOhm
r0603_h24
12
R2823
100KOhm
r0402
1 2
Q2803A
UM6K1N
2
61
C2826
2.2UF/10V
12
CON2801
WtoB_CON_4P
4
3
2
1 5
6
4
3
2
1 SIDE1
SIDE2
C2802 100PF/50V
c0402
1 2
R2822
66.5OHM
1 2
R2813 0Ohm
R0603
@
1 2
C2807
100PF
@
c0402
12
C2815
1UF/10V
C0603
1 2
R2829
0Ohm
1 2
R2824
0Ohm
R0603
1 2
C2813
0.1UF/16V
c0603
12
B
C
E
1
2
3
Q2807
PMBS3906
R2832
100KOhm
r0402
12
L2803120Ohm/100Mhz
21
C2824
100PF
@
c0402
12
R2804
10KOhm
r0603_h20
1 2
D2802
DF5A6.8FU
@
1
3 4
5
2
C2808
100PF
@
c0402
12
C2816 100PF/50V
c0402
1 2
C2817 100PF/50V
c0402
1 2
D2803 1SS355
12
L2801
80Ohm/100Mhz
2 1
C2809
1UF/10V
12
C2823
100PF
@
c0402
12
D2806
DAN202K
@
1
2
3
R2803 9.1KOhm
r0603_h24
12
R2831
0Ohm
1 2
C2822
0.1UF
c0402
@
12
G
S
D
3
2
1
Q2802
2N7002
1
32
R2830
0Ohm
1 2
R2802 9.1KOhm
r0603_h24
12
R2816 9.1KOhm
r0603_h24
12
U2801
G1420F31UF
21
20
19
11
9
8
6
5
4
22
15
3
10
18
7
1
2
12 13
14
16
17
23
24 T1
RLINEIN
RHPIN
RBYPASS
MUTE IN
MUTE OUT
SHUTDOWN
LBYPASS
LHPIN
LLINEIN
ROUT+
ROUT-
LOUT+
LOUT-
RVDD
LVDD
GND/HS1
TJ
GND/HS2 GND/HS3
SE/BTL#
HP/LINE#
NC1
NC2
GND/HS4 THERMAL
R2812
10KOhmr0603
12
D2801
1SS355
12
C2820
100PF
@
c0402
12
R2835
0Ohm
@
1 2
G
S
D
3
2
1
Q2808
2N7002
1
3 2
C2825
0.1UF
c0402
12
R2810
10KOhmr0603
12
B
C
E
1
2
3
Q2804
PMBS3904
R2818
10KOhm
r0402_h16
12
AC_OUTA_R27
ACZ_RST#_AUD23,27
OP_SD#25
AC_OUTA_L27
SPDIF_OUT27
ACZ_MUTE#27