LG 42LB1DRA Service Manual - Page 50

Check CS8415AIC1006 in/outputs

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Page 50 highlights

• HDMI NO Sound - 50 - 1 Check HDMI Cable Check MST3361 (IC603) outputs 2 #125(HDMI_SPDIF_OUT) Check C S8415A(IC1006) in/outpu ts 3 #14(HDMI_SPDIF), #16(SCK), #17(LRCK), #18(SPDIF_OUT), #10(SPDIF_CLK) 4 Check LG DT1102F(IC402) inputs 5 Fol lo w the pr ocedur e of " COMMON SOUND OUT" SPDIF BYPASS Check EP M570T144 (IC301) Check SP DIF ou t (R1035)

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- 50 -
1
2
Check
HDMI
Cable
Check LGDT1102F(IC402) inputs
3
4
Check CS8415A(IC1006) in/outputs
#14(HDMI_SPDIF), #16(SCK), #17(LRCK),
#18(SPDIF_OUT), #10(SPDIF_CLK)
5
SPDIF BYPASS
CheckMST3361 (IC603) outputs
#125(HDMI_SPDIF_OUT)
Follow the procedure of
“
COMMON SOUND OUT
”
Check EPM570T144 (IC301)
Check SPDIF out (R1035)
•
HDMI NO Sound