Speaker Trouble - LG -S310 Service Manual

4. TROUBLE SHOOTING

4.9.2 Speaker Trouble

Check speaker signal path
-RCV_SPK_OUT_P/N (TP1, TP2)
-SPK_P/N (TP3, TP4)
-Analog SW (U500)
-RCP_SPK_P/N (TP5, TP6)
LGE Internal Use Only
SPK/RCV Dualmode Circuit
RCV_SPK_OUT_P
RCV_SPK_OUT_N
Figure 4.9.2.1 Speaker pad contact check
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SPK500
TP1
TP2
SPK501
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