Hitachi HA-4800 Amplifier Repair. Part 2.

11 719 просмотров · 11 лет назад

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11 719 просмотров · 11 лет назад

Hitachi HA-4800 Amplifier Repair. Part 2. Replacing indicator lamps. Adjusting output stage quiescent current. Testing ASO (monitoring) circuit. Final testing. Part 1: • Hitachi HA-4800 Amplifier Repair. Part 1.