What to do if my LG TV has picture but no sound?
If your LG TV shows a picture but has no sound, you can try the following: Check or replace TU101 or the input signal. Also, check or replace IC501, Q601, and IC601. Verify the voltage at pin 57 and 58 of UOCIII. Lastly, check or replace R823 and D826.
What to do if there is no raster but sound is OK on LG 29FU1RLX-T1?
If your LG TV has no picture but the sound is OK, you can try the following: Check the HV and screen voltage of CPT. Also, check the R, G, B out of the CPT board and the heater pulse of FBT T402. Check IC901 and FBT T402. Verify the 197V line of the CPT Board and check FR901, P403A. If there are no issues, check and replace P902B and FR401.
How to fix no raster on LG 29FU1RLX-T1 TV?
If your LG TV shows 'No Raster', you can try the following: Check or replace the Fuse, IC501, DB801, Q402, T401, IC810, IC802, Q830, Q401 and T402. Also, check or replace Fuse and IC810.
Outlines essential cold and hot checks to prevent electrical shock hazards before customer use.
Guides on diagnosing and resolving issues where the picture is faulty or sound is absent.
Continues troubleshooting steps for scenarios with no picture display.
Details troubleshooting procedures for complete absence of picture and sound.
Specific troubleshooting for AV input issues in stereo or mono modes.
To Next Page
General
