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      <image:caption>Amplifier circuit board diagnostics with test clips and capacitor replacement at Donald Lee Service</image:caption>
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      <image:caption>Nord Stage keyboard mainboard repair at Donald Lee Service</image:caption>
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      <image:caption>Burned circuit board with damaged key contacts requiring trace repair</image:caption>
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      <image:caption>Vintage rotary selector switch repair with hand-soldered connections</image:caption>
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      <image:caption>Complete tube amplifier chassis rebuild with SOZO capacitors</image:caption>
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      <image:caption>Component-level electronics repair work at Donald Lee Service workshop</image:caption>
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      <image:caption>Detailed circuit board inspection and repair at Donald Lee Service</image:caption>
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      <image:caption>Donald Lee Service electronics repair workbench with oscilloscopes and test equipment</image:caption>
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      <image:caption>Green PCB control board with tactile switches, LCD display, and corrosion damage requiring cleaning and component repair</image:caption>
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