Tektronix TDS3000(B) Screen Repair

A TDS3052 with a Broken-Not-Broken LCD Panel A TDS3014B with Very Broken Screen Opening the Scope Power Supply Assembly Removal Removing the Motherboard Taking Out the LCD Panel Replacing the Protective Screen Replace the LCD Panel The Result Footnotes A TDS3052 with a Broken-Not-Broken LCD Panel Last summer, Joshua tricked me into bidding $165 for a TDS3052 oscilloscope. The photos on the surplus auction site showed major screen corruption but I only noticed that after placing my bid. That must be why I “won” the auction without anyone else going higher. At home, the screen was perfectly fine initially, but after a while the corruption would appear. Maybe something temperature related? This smelled like a capacitor issue, so no worries, I’ve been down that road before with a TDS220. I took the scope apart, extracted the LCD, and found nothing to repair: unlike the TDS220, most capacitors in the LCD panel are buried underneath some very fragile flex cables. Here’s that panel after…

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