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Figure 3-19. C2100 HEADSET AUDIO CIRCUIT (AD6537B)
AIN3L
AIN3R
AIN2P
AIN2N
AIN1P
AIN1N
NC_R12
AOUT1P
AOUT1N
AOUT2P1
AOUT2P2
AOUT2N1
AOUT2N2
AOUT3P
AOUT3N
GPI
Figure 3-20. C2100 MAIN AUDIO CIRCUIT (AD6537B)
R13
AIN3L
R14
AIN3R
P15
AIN2P
R15
AIN2N
P16
AIN1P
R16
AIN1N
R12
NC_R12
C130
C131
C132
C133
39p
39p
39p
39p
CLOSE TO AD6537B
J15
AOUT1P
K15
AOUT1N
R11
AOUT2P1
SPKP_P
T11
AOUT2P2
T9
AOUT2N1
R9
AOUT2N2
J16
AOUT3P
K16
AOUT3N
C2
GPI
C140
C151
C139
39p
39p
39p
R13
R14
P15
R15
P16
R16
R12
C130
C131
C132
C133
39p
39p
39p
39p
CLOSE TO AD6537B
R111
J15
K15
R11
SPKP_P
R113
T11
T9
R9
J16
AUXOP
K16
C2
C140
C151
C139
39p
39p
39p
From Main
Microphone
AUXIP
AUXIN
VINNORP
VINNORN
R111
4.7
C136
39p
R113
4.7
AUXOP
C137
C138
39p
39p
- 37 -
3. TECHNICAL BRIEF
AUXIP
AUXIN
VINNORP
VINNORN
From Headset
Microphone
4.7
RCV_P
C136
39p
4.7
RCV_N
C137
C138
39p
39p
To Headset
Speaker
U202
MAX4684EBC
C4
SPK_P
NO1
IN1
RCV_P
A4
SPK_N
NO2
IN2
RCV_N
C1
RCV_P
NC1
COM1
A1
RCV_N
NC2
COM2
C2
SPK_RCV_SEL
A2
C3
SPK_RCV_P
A3
SPK_RCV_N
C219
1u
To Main
Receiver/
Speaker
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