Репутация: 13
1
this system has been in storage for 12 years. i powered it up today. the red stand by light comes on, indicating system not on. when i press any of the disc or am/fm buttons, the display lights up indicating system on, but the goes back to system off mode in a few seconds. something i’m missing?
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Репутация: 4,1к
3
2
Neither the user nor service manuals provide any particular clues based upon what you have described. Therefore, I must start with the typical failure. Disconnect the speakers and try again. I expect that the unit will power up normally.
You can reference the service manual here: http://www.go-gddq.com/upload/2010-02/10...
The main power amp resides inside the subwoofer. Check to see if there is a protect light on the subwoofer.
If there is a light or the unit only “works” with the subwoofer disconnected, I would suspect that one of the amp chips inside the subwoofer is defective and further investigation is required. There are 2 large black amp-packs inside the subwoofer (STK413-400 and STK413-=430). One or both of these may be defective.
Try removing the speaker connections and report the results here.
Dan
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3 Комментариев
@sarah_rver is your system a JVC TH-M303?
из oldturkey03
yes it is. had it for 13 years
из Sarah Hughes
@sarah_rver just to clarify, it turns on but after a few minutes it turns off. Any LED lights on or any sign of life when it turns off?
из oldturkey03