3. TECHNICAL BRIEF
- 38 -
CLOSE TO AD6537B
39p
C136
10u
39p
C607
C139
39p
C142
C132
39p
T8
SGND1
R8
SGND2
NC_R12
R12
M2
DGND
C2
GPI
LGND
N15
T11
AOUT3N
K16
J16
AOUT3P
B16
AGND1
R16
AIN1N
P16
AIN1P
AIN2N
R15
AIN2P
P15
AIN3L
R13
R14
AIN3R
AOUT1N
K15
AOUT1P
J15
AOUT2N1
T9
AOUT2N2
R9
AOUT2P1
R11
AOUT2P2
39p
C133
C130
39p
R108
4.7
C131
NA
39p
C138
39p
4.7
R111
C143
C141
39p
AUXIN
VINNORP
VINNORN
SPKP_P
AUXOP
AUXIP
RCV_N
RCV_P
From Headset
Microphone
To Headse
Speaker
Figure 3-19. C3380 HEADSET SPEAKER CIRCUIT (AD6537B)
CLOSE TO AD6537B
39p
C136
10u
39p
C607
C139
39p
C142
C132
39p
T8
SGND1
R8
SGND2
NC_R12
R12
M2
DGND
C2
GPI
LGND
N15
T11
AOUT3N
K16
J16
AOUT3P
B16
AGND1
R16
AIN1N
P16
AIN1P
AIN2N
R15
AIN2P
P15
AIN3L
R13
R14
AIN3R
AOUT1N
K15
AOUT1P
J15
AOUT2N1
T9
AOUT2N2
R9
AOUT2P1
R11
AOUT2P2
39p
C133
C130
39p
R108
4.7
C131
NA
39p
C138
39p
4.7
R111
C143
C141
39p
AUXIN
VINNORP
VINNORN
SPKP_P
AUXOP
AUXIP
RCV_N
RCV_P
COM1
C3
COM2
A3
GND
B1
IN1
C2
IN2
A2
NC1
C1
NC2
A1
NO1
C4
NO2
A4
V+
B4
MAX4684EBC_T
U203
VBAT
1u
C227
SPK_N
SPK_P
RCV_N
RCV_P
SPK_RCV_N
SPK_RCV_SEL
SPK_RCV_P
To Main
Receiver/
Speaker
From Main
Microphone
Figure 3-20. C3380 HEADSET SPEAKER CIRCUIT (AD6537B)
Содержание C3380
Страница 1: ...Service Manual Model C3380 Date November 2005 Issue 1 0 Service Manual C3380 ...
Страница 3: ... 4 ...
Страница 83: ...4 TROUBLE SHOOTING 84 4 11 KEY backlight Trouble Test Points Figure 4 22 ...
Страница 98: ...4 TROUBLE SHOOTING 99 Yes No Yes No Replace M201 Establish a call Replace U101 Software Re_download ...
Страница 109: ...Note 110 ...
Страница 116: ... 117 8 PCB LAYOUT ...
Страница 117: ... 118 8 PCB LAYOUT ...
Страница 125: ...10 STAND ALONE TEST 126 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 129: ... 130 ...
Страница 131: ... 132 ...