c.coyle
Fighting the Dunning-Kruger effect.
F-1170 driver amp boards are done. New metal film resistors 1W and down. 2W and up resistors have been replaced, bumped up a watt, and lifted off the boards. C817 is a Nichicon KZ. The original pots are in good shape and I think they look cool, so I left them alone. Idle current set quickly to 30 mA and is rock solid. All solder joints were reflowed.
Service Manual Error: Main-Amp Section Current Adjustment, Page 26 of the AU-777A service manual, incorrectly refers to VR804, a non-existent part. The AU-777A has two identical F-1170 boards, one for each channel, each with a VR803. The reference should be to VR803 in Step 8.
Service Manual Error: Main-Amp Section Current Adjustment, Page 26 of the AU-777A service manual, incorrectly refers to VR804, a non-existent part. The AU-777A has two identical F-1170 boards, one for each channel, each with a VR803. The reference should be to VR803 in Step 8.
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