LG U8110 Service Manual page 111

4. TROUBLE SHOOTING
B. Speaker (Voice Loud Speaker, Midi, MP3, Key Tone)
• Signals to the speaker
– Speaker signals are generated at Vincenne
• BEARP
– Speaker path :
• 1. Vincenne (BEARP) ->
• 2. C2604 on main board ->
• 3. N2603(ADG) on main board ->
• 4. N2601(Audio Amp) on main board ->
• 5. CN963 on key PCB ->
• 6. LCD Module ->
• 7. Speaker
• Note : It is recommanded that engineer should check the soldering of R, L, C along the
corresponding path before every step.
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