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8.10. Audio Amp. Interface
Audio Pre-Amplifier
Close to MST.IC
R604
AU_DACO_R
100R
DAC-R_RC
C608
R605
C669
NC
NC
1nF
R608
AU_DACO_L
100R
DAC-L_RC
C615
R611
NC
NC
VCC5V-ST
R616
MUTE_S/GPIO1
NC
MUTE_S-BJT
1
ViewSonic Corporation
R602 NC
R603 NC
R669
C661 NC
5VAM2
22K
C611 1u 0603
R606 10K
R607 22K
C662 NC
C613 1u 0603
R609 10K
R610 22K
C670
R670
1nF
22K
8
6
IN1
VDD
C617
220n/50V 0603
C618 47u/16V
1
BYPASS
AUOUTL0B
7
VO1
4
IN2
AUOUTR0B
5
VO2
3
VCC5V-ST 2,6
STANDBY
C620 47u/16V
R614
NC
9
2
9
GND
R615
I601
TPA6110A2
Q602
0 0603
NC
C625
R620
NC
NC
68
N1930w-2M
Confidential - Do Not Copy
C602
100nF
C605
C604
+
+
47u/16V
10u/16V
5VAMP
L602
5VAMP
5VAMP
2,12
C612 1u 0603
600R/1.5A 0805
C614
+
C616 1u 0603
100u/16V
R612
R613
4.7K
4.7K
25
GND
I602
Thermal Pad
AD5265A
C619 1u 0603
5VAMP
C621 1u 0603
5VAMP
2,12
R617
R618
R619
NC
47K
47K
MODE
G1
G0
R621
R622
R623
0R
NC
NC
5VAMP
5VAMP
SD HI ==>>SING A SONG
SD LOW==>> SHUT DOWN
12V
R624
12V
12V
2
DTV-VDD33
4.7K
DTV-VDD33 3
Q603
+
C666
4.7K
R634
10u/16V
1
R635
Q606
1K
MMBT3906
1
10K
R633
L609
40uH
LB
5VAMP
C603
5VAMP
100u/16V
100nF
C606
C607
1u 0603
330u/16V
C610
C609
100nF
L607
40uH
LA
L603
40uH
RA
C622
C623
100nF
100nF
C624
1u 0603
C626
L605
40uH
100u/16V
RB
R625
MMBT3904
AUDIO_DOWN-N
POWER-ON/OFF-PWM2
POWER-ON/OFF-PWM2
6
NC
R319
SHUT_DOWN_AU
SHUT_DOWN_AU 6
10K
HIGH-->STAND BY ENABLE
LOW-->STAND BY
DISABLE
AU_DACO_R
AU_DACO_R 6
AU_DACO_L
AU_DACO_L 6
MUTE_S/GPIO1
MUTE_S/GPIO1 6
PHONE_DET
PHONE_DET 12
PHONE_R
PHONE_R 12
PHONE_L
PHONE_L 12
C658
C652
NC
10nF
C649
C659
C653
NC
10nF
P602
4
L-
3
L+
2
R-
1
R+
CON4 P=2.5mm
C641
C650
NC
10nF
C648
C642
C651
NC
10nF
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