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Huaqing H81M-vg4 REV. 2.01 memory repair
Huaqing H81M-vg4 REV. 2.01 memory repair Huaqing h81m-vg4 rev. 2.01 but memory, replace with a good K72 small tube, the voltage is restored to 12V, and the machine is on. Machine model: Huaqing H81M-vg4 REV. 2.01. Fault phenomenon: when the…