LG CU920 - Page 77

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3. TECHNICAL BRIEF
3.10.10.1 Audio Mode
There are three audio modes (Voice call, speaker phone, MIDI/MP3).
Audio & Sound Main Component
There are 6 main components in CU920/CU915.
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Only for training and service purposes
Table. Audio Mode
Table. Audio main component list
MODE Device Description
Voice Call Receiver Mode Receiver Voice Call
Loud Mode Speaker Phone
Headset Headset Voice Call
Speaker phone Loud Mode Speaker Phone
MIDI Loud Mode Speaker MIDI Bell
Headset Headset MIDI Bell
MP3 Loud Mode Speaker MP3
Headset Headset MP3
Component Design No. Maker Part No. Note
MSM6281 U200 MSM6281 Base-Band Modem
Audio amp U301 TPA2005D1ZQYR Class-D Audio Amp
Analog Switch U300 NLAS5223BMNR2G Dual Analog Switch
Speaker/Receiver EMS1813VCD2P 8 ohm Speaker
MIC MIC101 SP0204LE5-PB -42 dB microphone
Ear jack 18PIN