LG CU405 Service Manual page 55

3. TECHNICAL BRIEF
3.14.9.2 Audio Mode
There are three audio modes (Voice call, speaker phone, MIDI/MP3).
MODE
Voice Call
Speaker phone
MIDI
MP3
Audio & Sound Main Component
There are 6 main components in CU405.
Component
1 MSM6280
2 Audio amp
3 Loud Speaker
4 Receiver
5 MIC
6 Ear jack
LGE Internal Use Only
Device
Receiver Mode
Loud Mode
Headset
Loud Mode
Loud Mode
Headset
Loud Mode
Headset
Table. Audio Mode
Design No. Maker Part No.
U201 MSM6280
U301 TPA2005D1ZQYR
K20G01WCP
K134HP
MIC300 OSF211-42D
CON300 KJA-PH-3-0059
Table. Audio main component list
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Description
Receiver Voice Call
Speaker Phone
Headset Voice Call
Speaker Phone
Speaker MIDI Bell
Headset MIDI Bell
Speaker MP3
Headset MP3
Note
Base-Band Modem
Class-D Audio Amp
8 ohm Speaker
32 ohm receiver
-42 dB microphone
Ear jack
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