3. TECHNICAL BRIEF
- 33 -
3.6.4 Audio Section
1. Receive audio signal from microphone. This model uses differential configuration.
2. Send audio signal to speaker. This model uses differential configuration.
3. This section provides an audio codec with a digital-to-analog converter and an analog-to-digital
converter, a ring tone volume controller, a microphone interface, and multiple analog input and
output channels.
4. It interconnects with external devices like main microphone, main speaker, and headset.
The descriptions of audio port used in this model are given bellow in detail.
<Up Link>
-AIN1P,AIN1N : Main microphone positive/negative terminal
-AIN2P,AIN2N : Headset microphone positive/negative terminal
-AIN3P,AIN3N : External Analog Input terminal
<Down Link>
-AOUT1P,AOUT1N : Main Speaker positive/negative terminal
-AOUT3P : Headset speaker terminal
Figure 3-15. AD6537B AUDIO SECTION
Содержание C2100
Страница 1: ...Service Manual Model C2100 Service Manual C2100 P N MMBD0048201 Date April 2005 Issue 1 0 ...
Страница 54: ...4 TROUBLE SHOOTING 55 4 2 TX Trouble SW500 U503 X500 FL500 U501 U505 5 4 1 3 2 Test Points Figure 4 7 ...
Страница 70: ...4 TROUBLE SHOOTING 71 4 7 MIC Trouble Soldering Check U203 C225 C224 C230 Test Points Figure 4 18 ...
Страница 76: ...4 TROUBLE SHOOTING 77 4 10 KEY backlight Trouble Test Points Figure 4 21 ...
Страница 104: ... 105 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: ......
Страница 135: ......