Yamaha CA-610 and CA-710 Integrated Amplifier Service & Repair

Recently, two friends with lovely vintage Yamaha CA-610 and CA-710 integrated amplifiers sought my assistance to have them repaired. One was dead, the other was not working well.

The Yamaha CA-710 had blown one channel. One of the original output devices, a Sanken 2SA745, had a collector to base short and it had taken out one of the driver transistors.

The CA-610 was exceptionally dirty and greasy inside and working intermittently due to this contamination of switches and rotary controls.

I fixed both of them and their respective owners were extremely happy, they had probably both not sounded so good in years!

Full writeups coming soon…

IMG_5552-1024x768 Yamaha CA-610 and CA-710 Integrated Amplifier Service & Repair

IMG_5545-1024x768 Yamaha CA-610 and CA-710 Integrated Amplifier Service & Repair
How amazing do these Yamaha integrated amplifiers look, especially now with their meter illumination repaired!

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