Daewoo
Display Module / Power Supply Degradation
Microwave display is dim, flickering, or partially missing segments
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Aging VFD (vacuum fluorescent display), Failing display power supply on control PCB, Loose display connector, Heat damage to display board
How to Fix / Troubleshooting
Safety first: Unplug the microwave before removing the control panel.
Step-by-step checks:
- 1. Check for heat sources: If the microwave is installed above a range, excessive heat and steam can shorten display life. Ensure proper ventilation.
- 2. Reseat connectors: Remove the control panel and reseat the connectors between the display and main control PCB.
- 3. Inspect for damage: Look for discoloration or burnt areas on the display board.
- 4. Replace display or control PCB: If the display remains dim or segments are missing, replace the display module or entire control panel assembly as supplied by Daewoo.
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Repair Difficulty
Medium
3/5
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