What to do if my Sony Trinitron KV-BM14M70 TV has good picture but no sound?
If your Sony TV has a good picture but no sound, first, increase the volume level by pressing the + button. If that doesn't work, the sound may be muted. Press the mute button to cancel muting.
What to do if my Sony Trinitron KV-BM14M70 has double images or ghosts?
Double images or 'ghosts' on your Sony TV can occur if broadcast signals are reflected by nearby mountains or buildings. Try using a highly directional antenna or the fine tuning function. Also, check your antenna setup. Inappropriate use of a booster can also cause this issue, so turn off or disconnect the booster if it is in use.
Why is my Sony Trinitron KV-BM14M70 picture distorted and the sound noisy?
Distorted picture and noisy sound on your Sony TV can be caused by broadcast signals that are too strong. If you are using a booster, try turning it off or disconnecting it.
What causes dotted lines or stripes on my Sony Trinitron KV-BM14M70?
Dotted lines or stripes on your Sony TV are often due to local interference from sources like cars, neon signs, hair dryers, or power generators. Avoid using such equipment near the TV.
How to fix abnormal color patches on Sony Trinitron KV-BM14M70 TV?
Abnormal color patches on your Sony TV can be caused by magnetic disturbance from external speakers or other equipment, or the direction of the earth’s magnetic field. Keep external speakers or other electrical equipment away from the TV. Do not move the TV while the TV is turned on. Turn off the TV for about 15 minutes, then turn it on again to demagnetize the TV.
Why does my Sony Trinitron KV-BM14M70 have a snowy picture and noisy sound?
A snowy picture and noisy sound on your Sony TV can be caused by a loose connection or damaged cable. Check the antenna cable and its connection to the TV, VCR, and the wall. It could also be due to an inappropriate antenna setup or incomplete channel presetting. In this case, check the antenna setup or display the “Channel Setup” menu and select “Manual Program” to preset the channel again. Low signal transmission can also be the reason, so try using a booster.
How to fix no color on Sony Trinitron KV-BM14M70?
If your Sony TV has no color, display the “Picture” menu and select “Personal” of “Mode”, then adjust the “Color” level in “Picture Adjustment.” Also, check the “Color System” setting in the “Setup” menu and ensure it is set to “Auto”. An inappropriate antenna setup may also be the cause.
What to do if my Sony Trinitron KV-BM14M70 TV teletext display is incomplete?
For incomplete teletext display (snowy picture or double images) on your Sony TV, check the antenna cable and connection on the TV, VCR, and at the wall, as the connection may be loose or the cable may be damaged. Also, the antenna setup may be inappropriate, and signal transmission may be too low, so try using a booster and the fine tuning (“Fine”) function.
Why is my Sony Trinitron KV-BM14M70 TV picture slant?
A slanted picture on your Sony TV can be caused by magnetic disturbance from external speakers or other equipment, or the direction of the earth’s magnetic field. Keep external speakers or other electrical equipment away from the TV. Display the “Setup” menu and adjust “Picture Rotation” so that the picture position is optimal (KV-BT21M81 only).
Table of diagnostic items, flashes, causes, and symptoms.
Schematic of the processor board (Block A).
Schematic of the audio board (Block B).
Schematic of the power supply board (Block C).
Schematic of the deflection board (Block D).
Schematic of the tuner board (Block E).
Schematic of the jack board (Block F).
Schematic diagram of the C board.
General warnings about high voltage and safe operation.
Initial steps for setting up the TV.
Guide for the initial setup process.
A guide to diagnose and solve common TV problems.
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