Sharp Lcd Tv Error E12

⚡ Quick Answer: The Sharp LCD TV error code E12 indicates a potential malfunction in the power supply unit, which can prevent the TV from turning on or cause flickeri... ✅ DIY Fixable

What Does Error E12 Mean?

The Sharp LCD TV error code E12 indicates a potential malfunction in the power supply unit, which can prevent the TV from turning on or cause flickering lights. Users should first confirm the accuracy of the error code, noting whether it appears on-screen or as a blinking pattern on the power indicator. It's advisable to consult the official Sharp support site for diagnostic information specific to the model, as E12 may not be a standard error code listed in common diagnostics.

Possible Causes

  • Power Supply Unit

How to Fix Error E12

DIY Fix Verify the accuracy of the error code and check display context

  1. Confirm if the code ‘E12’ is shown on-screen or via blinking patterns of the power indicator/light.
  2. Record whether the TV shows any text associated with the code or whether it appears as blinking flashes (e.g., on the power LED).
  3. Check the TV model number and consult the official Sharp support site’s diagnostics section for that exact model, since official Sharp TV documentation typically lists codes like E201/E202/E203, not E12.

Technician Only Consult official Sharp documentation or support

  1. Locate the exact model’s service manual or failure diagnostic chart from Sharp’s support site.
  2. Identify if ‘E12’ corresponds to a manufacturer‑documented failure, blinking diagnostic code, or is a misread code.
  3. If confirmed as an error code, use model‑specific troubleshooting steps from official documentation.
🛑 When to Call a Pro:
  • If the error code does not correspond to any diagnostic entry in official Sharp documentation.
  • If the TV shows repeated error behavior (e.g., repeated flashing lights or no power on) that cannot be explained by model‑specific diagnostics.

Technical Specifications

wattage 150W
component Power Supply Unit
resistance Varies by component, typically 1-10 ohms for capacitors
part_number RSAG7.820.5611/ROH
voltage_rating 100-240V AC

Common Questions

What does E12 error mean on Sharp LCD TV?

E12 indicates a possible power supply malfunction, preventing the TV from powering on or causing flickering.

Can I fix Sharp LCD TV E12 error myself?

Yes, you can verify the error code and check the model-specific diagnostics on the Sharp support site.

How much does it cost to fix E12 error?

Repair costs vary by model and region; consult a local technician for an estimate.

When should I call a technician for E12?

Call a technician if the error persists or is not documented in Sharp's official resources.

Sources & References

Data last verified: 2026-03-18

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