 Posted: Sat Dec 10, 2011 2:56 pm Post subject: Service manual needed |
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| Hello, I recently found my old Yamaha A 550 Natural Sound stereo amplifier that I bought in 1980. One channel (can't remember which) is dead and I'd like to repair as this was a really great sounding amp. I was wondering if anyone has a service manual for this unit. Thanks | |
