Question about Sansui Audio Players & Recorders
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Posted on Jan 02, 2017
You seem to be having a door sensor problem. When the CD tray closes a small switch under the loading tray shorts telling the microprocessor the door is closed and to stop the motor (either way when it opens or when it closes). A malfunction in this switch causes this symptom.
Posted on Mar 14, 2011
SOURCE: Sony da 3400es receiver. System
How about the unplug and try it naked fix? Speakers blow, mice eat the wires, etc.
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.
Check for loose speaker connections at the speaker as a root cause for intermittent shutdown.
Posted on Apr 20, 2011
SOURCE: My sony Home Theatre DAV-DZ290K,
okay just plug it out from the current outlet let it stand for one hour then plug back in if that does not remedy problem then your motor is bad or the ic that controls the open and close circuit.have a tech look if my remedy does not work..sometimes plug in and out do the fix cause all the set wants is to reset itself.
Posted on Sep 13, 2011
Manuals are here:
Posted on Nov 25, 2014
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