LG 32LX2D Service Manual - Page 16
Front AV or Digital board
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- 16 - No image Push the POWER ON key Is the Set ON? NO Yes Is the input cable attached? Yes What is the input signal mode? RF/AV/IDTV input NO Attach the input cable(s) Check Secondary CVBS at R434 (for PiP) PASS Power Error FAIL FAIL Check 9V Across L401and at pin 3 of IC100 5V across L404 , L402 PASS Replace IC1 AN15865 Correct them FAIL Check the Condition of all Connectors, wafers, I2C In corresponding Signal flow PASS Check the input video signal at pin 48, 50, 52, 54, 60 of AN15865 For RF, AV1/2/3, IDTV Resp. FAIL Check Tuner, SCART1/2 Front AV or Digital board Accordingly w.r.t the Mode. Power Error From sheet 22 PASS FAIL Check 9V Across L401and at pin 3 of IC100 5V across L404,L402 PASS Replace IC1 AN15865 FAIL Check main CVBS at R303 PASS To sheet 21
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