Sharp XL-DK257N - Page 57

XL-DK257N
6 – 35
HEADPHONE PWB-A4
Lead-free solder indication
Lead-free solder is used in the HEADPHONE PWB.
Refer to "Precautions for handling lead-free solder" for instructions
and precautions.
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Figure 6-33: WIRING SIDE OF HEADPHONE PWB (BOTTOM VIEW)