Only For Training And Service Purposes - LG GT500 Service Manual

3. TECHNICAL DESCRIPTION
3.3.5 MIDI (Ring Tone Play)
This section provides a detailed description of the MIDI and WAV-file functions.
In Figure 2-4-6, External MIDI path is the same as Voice Loudspeaker downlink Mode ,
except source in DB3200 (DSP and Audio Mixer).
MIDI : DB3200 PCM Decoder
AUDIO AMP(TPA6205A)
3.3.6 MP3 (Audio Player)
This section provides a detailed description of the MP3 file functions.
MP3 function supports PCM 44/48KHz sampling rate.The PCM44/48 RX-path is intended to be used as a
audio amp and one speaker.
LGE Internal Use Only
Figure 3-3-6 External MIDI path
Auxiliary audio amplifier
Speaker(8Ω)
Figure 3-3-7. MP3 Scheme
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SPKRP/N Port
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Only for training and service purposes