Intifix
తె

Cracked screen, lines, dead panel: when a TV is not worth repairing

How to tell panel damage from a board fault, why a panel is rarely replaced, which TV faults are worth fixing and which mean buying new.

4 min read · Updated 19 August 2026

A television is really two things: a panel, and a set of boards that drive it. Nearly every board fault — power supply, main board, T-Con, backlight — is repairable at sensible cost. Panel damage usually is not. So the repair-or-replace question for a TV mostly comes down to one question: is it the panel? Here is how to tell, what else goes into the decision, and when to stop spending.

Why the panel is different

The panel is the glass sandwich at the front: the LCD layer, its polarisers, and the thin driver strips bonded to its edges. It is the largest, most fragile and most expensive part of the set. Two things follow from that:

  • A replacement panel, where one is available at all, usually costs so much of the price of a new TV that it makes no sense to fit one.
  • The driver strips along the panel's edges are bonded to the glass at the factory. When one fails, it is treated as panel failure, not a board repair.

Boards, by contrast, are plug-in parts. A technician swaps a power board or T-Con on the bench and the TV is back to normal.

Signs it is the panel

  • A visible crack, a spider-web pattern, or a black or coloured blotch with sharp edges — often after a knock, a fall, or a child's toy.
  • A thin, perfectly straight vertical or horizontal line that is there from the moment the set switches on and never changes.
  • A block of the screen showing the wrong colours or a "negative" image, while the rest is fine, with no change as the set warms up.
  • Pressure marks: cloudy or dark patches where something leaned on the screen, common on sets that were moved or wall-mounted carelessly.

Signs it is a board, not the panel

  • Sound but no picture, with a faint image visible under a torch: backlight, ₹499 to diagnose and repair plus strips at MRP.
  • No power or a blinking standby light: power supply or main board, ₹350 diagnosis and labour.
  • Lines or bands that come on after warm-up, flicker, or shift: T-Con board or ribbon cable, repairable.
  • Whole picture doubled, solarised or washed-out: T-Con or main board.
  • Half the screen dim: backlight strips, not the panel.

When it is not obvious, the ₹350 visit settles it.

The decision in practice

Situation Sensible call
Cracked or physically damaged panel, any age Replace
Permanent fixed line, TV over 4–5 years old Replace
Permanent fixed line, nearly new, under warranty Manufacturer warranty claim
Backlight, power board, main board or T-Con fault Repair
Smart features dead but picture fine Repair, or add a streaming stick
Several faults at once on an old set Get the quote, then compare with new

Two general rules. First, if the written quote for parts plus labour comes to a large fraction of the price of a comparable new set, buy new; a new set brings a fresh warranty and usually better efficiency and features. Second, if the TV is a size or brand you like and the fault is a single board, repair — the panel has years left, and that is the part that matters.

The manufacturer warranty angle

Most brands cover the panel for a year, some longer. If a fixed line or a dead block appears on a set that is under warranty and has no physical damage, go to the brand first; a panel under warranty is the one time a panel is replaced for free. Physical damage — cracks, pressure marks — is not covered by any standard warranty, and a technician cannot make it look like something else.

If you are replacing

  • Measure the wall or cabinet before choosing a size, and leave room for air around the set.
  • Keep the old TV's remote and cables if they are universal; the new set may not include everything.
  • Ask the shop about exchange value — some take the old set against the new one even with a cracked panel.
  • Plan the surge protection and mounting for the new set from day one; the old set's panel may have died from a knock, but its boards are often the victim of years of voltage spikes, and the new one will live on the same supply.

What the diagnosis visit gives you

A plain answer — panel or board — and, if it is a board, a written quote for the part at MRP before any work starts. You can decline the quote and pay only the ₹350 visit. For a cracked panel, the technician will say so on the spot, and that visit is often the cheapest way to stop guessing and start shopping.

Questions people ask

Can a cracked TV screen be repaired?
The crack itself cannot be repaired; the only fix is a new panel. On most LED TVs a panel is the single most expensive part in the set, and for many models it is not sold separately at all. That is why a cracked screen nearly always means replacing the TV, whatever the age. A technician can confirm it on the spot.
Lines on my screen appeared slowly. Is that the panel too?
Not necessarily. Lines or bands that appear after the set warms up, shift, or vanish when the back is pressed gently are often the T-Con board or a ribbon cable — both repairable. Thin, sharp, permanent lines that were there from cold are more likely the panel's own driver strip. The diagnosis visit tells which.
Is it worth paying the diagnosis fee if the TV might be a write-off?
For most people, yes. The ₹350 visit ends the guesswork: you learn whether it is a board or backlight fault worth fixing, or a panel you should not spend on. That answer, and the written quote for any part, is what lets you decide on a new TV with a clear head instead of a hunch.

Keep reading