Samsung TV & Audio QN65Q80CAFXZA 65" Class Q80C QLED 4K Smart TV 2 BLINKS Error Fix: Power Supply Board Fault

Error code 2 BLINKS on the Samsung TV & Audio QN65Q80CAFXZA 65" Class Q80C QLED 4K Smart TV means: Power Supply Board Fault. The standby LED blinks 2 times, pauses, and repeats. The TV will not turn on. This indicates the Switched-Mode Power Supply (SMPS) has detected a fault on one of its output voltage rails. Common causes include failed electrolytic capacitors on the power board (visually inspect for bulging or leaking caps), a shorted MOSFET, or a downstream short circuit on the main board drawing excessive current. Unplug the TV for 60 seconds, press and hold the power button on the TV (not the remote) for 30 seconds to drain residual power, then plug back in. If the blinking persists, the power supply board likely needs repair or replacement. The power supply board is accessible by removing the back cover — it is the larger board with the AC power input connector.

The most successful fix is "Inspect and Replace Power Supply Board" (hard difficulty, ~60 minutes). Estimated DIY cost: $100-$150. HomeMD has 2 community-ranked fixes for this error.

This error is rated critical severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Inspect and Replace Power Supply Board") is rated hard difficulty and takes about 60 minutes. Tools needed: Phillips screwdriver, Multimeter.

DIY cost: $100-$150. Professional repair typically costs $250-$400. Many homeowners save money by trying the top-ranked community fix first.

The Samsung TV & Audio QN65Q80CAFXZA 65" Class Q80C QLED 4K Smart TV has 8 other known error codes, including: 5 BLINKS (LED Backlight / Driver Protection Shutdown), 6 BLINKS (Main Board / T-CON Communication Failure), ANYNET FAIL (Anynet+ (HDMI-CEC) Not Working), APP CRASH (App Freezes or Crashes), ARC NO AUDIO (ARC/eARC No Audio to Soundbar), and 3 more.

Error code 2 BLINKS also appears on 4 other Samsung TV & Audio models: QN55LS03BAFXZA 55" Class The Frame QLED 4K Smart TV, QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV, QN65S90CAFXZA 65" Class S90C OLED 4K Smart TV, UN55CU8000FXZA 55" Class CU8000 Crystal UHD 4K Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.