LG M6100 Service Manual - Page 86
Earphone Trouble
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4.10 Earphone Trouble TEST POINT 4. TROUBLE SHOOTING C209 C211 Figure 4-10 U203 CIRCUIT DIAGRAM 2V5_VMIC 1K R201 HEADSET_MICP HEADSET_MICN R205 100 R207 100 C205 0.1u R204 2.2K C202 C204 10u 39p R209 2.2K HEADSET_SPK_L HEADSET_SPK_R C209 33u C211 33u 2V8_VMEM R210 4.7 R212 4.7 2V8_VMEM 100K R213 100K R214 VA203 VA204 VA205 VA206 JACK_DETECT KEY_COL4 (HOOK DETECT) C218 27p R215 100 C214 47p C215 47p C216 47p C217 47p C763 0.068u EVL14K02200 X 6EA EAR_DETECT R216 NA CN201 13 15 1 2 3 4 5 6 7 8 9 10 11 12 14 16 VA208 EVLC18S02015 VA209 EVLC18S02015 VA210 EVLC18S02015 VA211 EVLC18S02015 VA212 EVLC18S02015 KEY_COL_UPPER1 (MP3_FF) KEY_COL_UPPER2 (MP3_REW) KEY_COL_UPPER3 (MP3_PLAY/PAUSE) KEY_ROW5 MIDI_HP_R MIDI_HP_L AUX_OUT_R AUX_OUT_L U203 MAX4684EBC_T V+ B4 C4 NO1 A4 NO2 C1 NC1 A1 NC2 C2 IN1 A2 IN2 C3 COM1 A3 COM2 GND B1 C220 1u HEADSET_PATH_SEL HEADSET_SPK_R HEADSET_SPK_L - 87 -
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