4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
(1) Check the Resistance of Receiver
(2) Check the output signal of Audio Codec
Main PCB Back side view
TP2
Item
Receiver
Rated Power [W]
0.03
Frequency Range [Hz]
300~7.0k
Sound Pressure Level [dB]
106 ± 3/100mV
Rrsonance Frequency [Hz]
420 ± 90
Maximum Power [W]
0.05
Impedance /at 2kHz [Ω}
32 ± 15%
CTQ
CTQ
(1) Check the Resistance of Receiver
(2) Check the output signal of Audio Codec
TP1