Category Archives: Hi-fi service manuals & schematics

Circuit diagrams and service information for popular hi-fi products.

HifiGear’s Hifi Dictionary

The world of hifi can be a daunting and confusing place at first, especially when looking at different models of speakers and amps and CD players and streamers and the mighty list of technical terms they come with. Hopefully we can help bust some of that jargon here. Are we missing a word or term you’d like to know the meaning of? Leave us a comment below.

Three pairs of output transistors per channel bode well for long term reliability

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HDMI transmission over cat 5

Sky HD on Samsung UE55H7000 flatscreen TV

Sky HD on Samsung UE55H7000 flatscreen TV

We recently installed a home cinema system for a customer where one of the existing sources was a SKY HD box. This box was to provide an HDMI feed not only to the home cinema system we installed, but also three other flat screen TV’s in the home, some of which were approaching 100m away from the SKY box.  In these situations, it is not possible to reliably transmit HDMI signals further than about 20m with an HDMI cable, and a different approach is required. Continue reading

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