HP VS15 Series - Audio Board Schematic

HP VS15 Service Manual
26
7.1.2 Audio Board
+
C725
220uF
L702
50 OHM
OUT-L-6
AGND
L707
600 OHM
VCC5V
C719 1uF/50V
R705 100 1/16W
C726 1uF/50V
AGND
R709 100 1/16W
C715 1uF/50V
AGND
5V
C712 0.001uF
GND 2,3,4,5,6
AUDIO_SD1 6
+5VA
R726
1K 1/16W
AGND
C702 0.1uF/16V
L705 0
R729 R730
0805 TYPE
R2 0 1/16W
R1 0 1/16W
L706 600 OHM
R706 20K 1/16W
AGND
CN701
LINE IN GREEN
5
4
3
2
1
AGND
AGND
5V 2
CROSS TALK-pull-down resistors (1Kohms) on the input of the op amp1022
L703 50 OHM
OUT-R- 6
C724 1uF/50V
OUT-L-6
OUT-R+6
R723
1K 1/16W
C721 0.047uF
LOUT+1 6
R729
0 1/10W
5V
R727
1K 1/16W
OUT-L+6
VOLUME 4
+5VDD
R704
10K 1/16W
R728
1K 1/16W
OUT-L+6
C705 1uF/50V
C703 0.1uF/16V
C713
220pF
VS17/VS15
R712 100 1/16W
R719 20K 1/16W
OUT-R+ 6
L708 600 OHM
AGND
L701 50 OHM
AGND
R730
0 1/10W
AGND AGND
VCC5V
AGND
AUDIO_SD6
L704 50 OHM
C717 1uF/50V
R703
120K 1/16W
VS19
AGND
VCC5V 2,3,4
C722 2.2uF/16V
+
C709
470uF/16V
C728
470pF
ROUT+1 6
VCC5V
R724
1K 1/16W
VCC3.3
U701
TPA2008D2
1
2
3
4
5
6
7
8
9
10
11
12 13
14
15
16
17
18
19
20
21
22
23
24
LINN
LINP
SHUTDOWN
PVDDL
LOUTP
PGNDL
PGNDL
LOUTN
PVDDL
COSC
ROSC
AGND VDD
VOLUME
NC
PVDDR
ROUTN
PGNDR
PGNDR
ROUTP
PVDDR
BYPASS
RINP
RINN
10-22 Modify vcc5v
5V
C711 0.001uF
R717
NC
C730
2.2uF/16V
R716 100 1/16W
R720
10K 1/16W
C706 0.001uF
ADD C728,C729 EMI SOLUTION CHANGE R701,R702 BEAD 300 OHM
C714
1uF/50V
R713 10K 1/16W
OUT-R-6
AGND
C723 0.047uF
modify headhone sound to small 1015
AGND
+5VDD
C727 0.047uF
LIN
C716 0.047uF
AGND
R715 20K 1/16W
R718 100 1/16W
AGND
C701 0.1uF/16V
AGND
AGND
RIN
R714 100 1/16W
C707 1uF/50VR725
1K 1/16W
U702
TPA6112A2
1
2
3
4
5
6
7
8
9
10
VO1
IN1-
IN1+
BYPASS
GND
SHUTDOWN
IN2+
IN2-
VO2
VDD
R708 20K 1/16W
C704 0.1uF/16V
+
C720
220uF
C708 0.001uF
AGND
C710 1uF/50V
+ C718
100uF
R707 100 1/16W
+5VA
VCC3.3
R710
10K 1/16W
R701
300 OHM
+5VA
AGND
C729
470pF
R702
300 OHM
R711 10K 1/16W