Service manual

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AUDIO WAVE FORMS.
① (IU01-3) REC ② (IU01-10) PLAY ③ (IU01-12) PLAY ④ (IU01-16) REC
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⑤ (IU01-21) REC ⑥ (IU01-22) REC ⑦ (IU01-23) REC (SP Mode) ⑧ (LU06-7) REC