What to do if my LG 29FU1RLX 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 TV?
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?
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.
Provides general advice for safe servicing, including isolation transformers and handling components.
Details X-ray radiation sources and precautions for continued protection during servicing.
Procedures for checking AC leakage current before returning the set to the customer.
Details the functions and operations of the remote control handset buttons.
Describes the buttons, indicators, and sockets located on the TV's front panel.
Defines the application scope, test and inspection methods, and environmental conditions.
Lists technical specifications categorized by market, receiving system, and voltage.
Provides general notes, environment, and preparation steps for performing adjustments.
Details the procedures for adjusting picture purity and convergence on the CRT.
Covers manual adjustment methods for screen voltage and white balance settings.
Describes various deflection parameters like V AMP, H SHIFT, EW, H BOW, and SCORRECT.
Lists specific numerical values for various deflection adjustments across different models.
Provides default settings for various service adjustments, including AGC, color, and brightness.
Explains various option settings for TV functions, OSD, and text/language configurations.
Details FM transmitter model functions and shipping conditions, modes, and requirements.
Describes default settings for Picture Mode Selection (PSM) in PAL for contrast, brightness, etc.
Explains how to adjust various option settings using the remote control and specific keys.
Provides reference information for sound pre-scaler adjustment values and specifications.
Troubleshooting steps for picture or sound problems in RF-stereo models.
Guides for diagnosing and resolving issues related to no raster or picture display.
Guides on diagnosing and fixing no picture or no sound conditions.
Troubleshooting steps for AV stereo/mono models with picture or sound problems.
Shows the physical arrangement of components on the main circuit board for identification.
Details the PCB layouts for power, control, LED, deflection, and PIP modules.
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