3. TECHNICAL BRIEF
- 45 -
3.12 Headset Jack Interface
This phone chooses a 3-pole type ear-mic jack which has three electrodes such as Receiver
+, Mic+, and GND. This type usually supports only single-ended configuration in the audio
path. But most of phones use the common interface.
Figure 3-26. HANDS-FREE & HEADSET JACK INTERFACE
CLOSE TO EARJACK
HEADSET JACK
R142
4.7
VMIC
VMEM
330K
R148
NA
R138
4.7K
R128
SP115
1M
R145
VMEM
GND
3
1
IN
NC
4
6
NO
2
VCC
U105
NLAST4599DFT2G
5
COM
C147
39p
VEXT
1
2
3
4
5
SP114
J102
39p
C164
100p
C171
C168
39p
VA153
AVL5M02-200
VEXT
VA154
AVL5M02-200
R12
P15
R14
39K
R137
C143
0.1u
C162
0.1u
39p
C161
1M
R147
VMEM
39p
C165
R140
2.2K
R139
1K
U104
LMV7291MGX-NOPB
2
GND
1
OUT
VCC
5
3
VIN+
VIN-
4
10u
C149
R146
100
100p
C167
100
R133
C169
10u
C166
18p
R143
4.7
39p
C150
R135
100K
R136
1K
VMIC
39p
R152
NA
C148
39p
C170
VMIC_ON
HOOK_DET
JACK_DET
AIN2P
AIN2N
AIN3P
AIN3N
AD6537B
Содержание C1150
Страница 1: ...Service Manual Model C1150 Service Manual C1150 Date October 2005 Issue 1 0 ...
Страница 3: ......
Страница 94: ...5 DOWNLOAD AND CALIBRATION 95 11 Wait until Sending Block is completed 1 Wait Until Sending Block is completed ...
Страница 99: ...Note 100 ...
Страница 104: ... 105 8 PCB LAYOUT 8 PCB LAYOUT ...
Страница 105: ... 106 8 PCB LAYOUT ...
Страница 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 117: ...Note 118 ...
Страница 119: ... 120 Note ...
Страница 135: ...Note 136 ...