Read LG 19LV2300 (CHASSIS:LA86D) Service Manual online
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Check the output (Pin AP11) of BCM355x(IC100).
Measure waveform at R2638 because it
’s more easy
to check.
Can you see the normal signal? Refer to figure 1
Check the input of JK500, JK501.
Can you see the normal waveform?
JK500 : PIN1_ Refer to figure 2
/JK501:PIN3_ Refer to figure 3
After checking the Jack, you should decide to
replace item or not.
Replace IC100
Spdif & Coaxial-Audio(Out)
YES
YES
Figure 1
NO
If JK500 or JK 501
are damaged replace them.
NO
Figure 2
Figure 3
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