TV has sound but no image Backlight not working

From Repair Wiki
TV has sound but no image Backlight not working
Type Troubleshooting/Diagnostics
Device(s) Television/Monitors
Difficulty ◉◉◉◌ Hard

Problem Description:

TV has sound but no image. Backlight not working.

What is Affected:

Vestel 17IPS62 LED Driver PSU Board

Solution:

  • LED Driver in PSU is problem, if LED in strip is good, then is LED driver in PSU unit, check for short on Q4 MOSFET and U5 led driver IC for Vestel 17IPS62 replace C113 cap, D10 diode, Q4 mosfet, U5 led driver IC.
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