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4. TROUBLE SHOOTING
4.9.2. Speaker (Voice Loud Speaker,Midi, MP3,Key Tone)
• Signals to the speaker
– Speaker signals are generated at AB3100
•SPKRP, SPKRN
– Speaker path :
• 1.AB3100 (SPKRP, SPKRN) Æ
• 2. C343, C344 on the main board Æ
• 3. U301(audio amp) on the main boardÆ
• 4. C352, C353 on the main board Æ
• 5. Speaker
h 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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