ViewSonic VTMS2431 - Page 79

8.9. Audio Interface
Headphone output
Close to MST. IC
PC Audio input
Location near phone jack
0: SPEAKER MODE
1: HEADPHONE MODE
modify C653 footprint from C0805 to C0603 and add cap 1uF 080910
add C666,C665 080910
PC_Audio-AUL2
PC_Audio-AUR2
PHONE_R
PHONE_L
5VAMP
5VAMP
R601 0R
C644
1uF/0603
R650
10K
C648
330pF
C643
1uF/0603
C652
330pF
C645
560pF
C649
330pF
R729
10K
C654
100nF
C653
1uF/0603
R733
1K
R736 100R
C647
330pF
R732
1K
C665
NC
+
C650 47uF/16V
C666
NC
+
C651 47uF/16V
R659
NC/10K
C646
560pF
R731
12K
E
B
C
SOT
23
NC/MMBT3904
Q606
1
3
2
L611
0 0603
R734
10K
R735 10K
R730
12K
L601 0 0603
P602
PHONE JACK NORMAL CLOSE
1
9
8
7
6
2 3 4 5
10 11 12 13 14
PC_Audio-AUR2 4
PC_Audio-AUL2 4
PHONE_R 10
PHONE_L 10
5VAMP 1,10
PHONE_DET 10
ViewSonic Corporation Confidential - Do Not Copy VTMS2431
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