Question about Sansui Classic Vintage 2000a Stereo Receiver
That series Sansui uses jumpers ( on the rear panel) to connect the pre-amp portion of the receiver to the power amp section.
They are silver colored u-shaped elements . If they are not there , you will NOT have any output.
If you cant find jumpers , use a pair of short RCA ( phono) type cables. red/pre to red/power Blck / pre to Blck power
Posted on Dec 16, 2014
If the fuse was blown on the 220-250 V side, I am assuming that you are in the UK, if you aren't , but are in the US, change the power setting dial/switch on the back to 100-120v and you might be good to go. Also, I know this may sound silly, but make sure that the speaker selector switch is pressed in or set to a speaker set ( A or B). Love the Sansui gear, have many complete systems myself!
Posted on Oct 19, 2013
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Posted on Jan 02, 2017
Check for 19 Kz on stero decoder that requires calibration adjustment.
Instrument you need:
Occiloscope or frequezy counter and adj driver .
Posted on Jul 28, 2009
The problem seems to be the left transistor part of the unit. Try this:change A versus B speakers, asuming speaker A was working properly. If still speaker A, now connected to left output does not work, you will probably have transistor malfunction on the left channel of the receiver. Any electronic store will substitute the left transistors.
Posted on Jul 27, 2010
Testimonial: "very helpful"
SOURCE: Sansui 221 stereo receiver comes
Since this receiver is old-school stereo-only from the pre-subwoofer-era HOW are you driving the sub? Please refer to ITS manual and connect it properly. The speaker outputs for this box are for single speakers only.
Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
Posted on Jun 24, 2011
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