Humming sound
As of the last 6 months am Emerson TV I have which is otherwise fine
makes a fairly loud sort of humming sound when turned on. With something on TV its drowned out. Its not the speakers but an internal component in the rear top ot the set. Its a vcr tv combo, but its not the Vcr either. Anybody have any idea's. Alittle louder and the set will be unuseable. Never had a set make this sound. |
Humming sound
There may be defective filter capacitors in the power supply, or defective
de-coupling caps in the supply distribution through the circuit board(s). An ESR testing of all the caps involved would most likely help locate the defective caps. -- Greetings, Jerry Greenberg GLG Technologies GLG ========================================= WebPage http://www.zoom-one.com Electronics http://www.zoom-one.com/electron.htm ========================================= "Seeqer" wrote in message m... As of the last 6 months am Emerson TV I have which is otherwise fine makes a fairly loud sort of humming sound when turned on. With something on TV its drowned out. Its not the speakers but an internal component in the rear top ot the set. Its a vcr tv combo, but its not the Vcr either. Anybody have any idea's. Alittle louder and the set will be unuseable. Never had a set make this sound. |
Humming sound
Also may be 59.9 hz noise from the deflection yoke.
"Jerry G." wrote in message ... There may be defective filter capacitors in the power supply, or defective de-coupling caps in the supply distribution through the circuit board(s). An ESR testing of all the caps involved would most likely help locate the defective caps. -- Greetings, Jerry Greenberg GLG Technologies GLG ========================================= WebPage http://www.zoom-one.com Electronics http://www.zoom-one.com/electron.htm ========================================= "Seeqer" wrote in message m... As of the last 6 months am Emerson TV I have which is otherwise fine makes a fairly loud sort of humming sound when turned on. With something on TV its drowned out. Its not the speakers but an internal component in the rear top ot the set. Its a vcr tv combo, but its not the Vcr either. Anybody have any idea's. Alittle louder and the set will be unuseable. Never had a set make this sound. |
Humming sound
thx for the quik reply.
I'll post any resolution to problem to group. thx "Seeqer" wrote in message m... As of the last 6 months am Emerson TV I have which is otherwise fine makes a fairly loud sort of humming sound when turned on. With something on TV its drowned out. Its not the speakers but an internal component in the rear top ot the set. Its a vcr tv combo, but its not the Vcr either. Anybody have any idea's. Alittle louder and the set will be unuseable. Never had a set make this sound. |
Humming sound
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