Question about Music
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: I just bought an Ibanez
Hum in the sound is commonly cause of the following :
1. Bad filter electrolytic capacitor - this is the most common caused of hum in sound. Dried/leaky electrolytic capacitor will produce an out-of-regulation condition. Sometimes it has a bulged/dome at the top but not all, you must have a capacitor checker to determine its condition. Affected section is the power supply section,pre-amplifier sectiona and/or the sound output circuitry.
2. Bad solder joints (crack/dried/cold) - bad solder joints in the filter electrolytic capacitor, output IC, pre-amplifier stage, will produce hum in sound. You must work in the brightest area or used table lalmp/portable lamp and magnifying glass because this is hard to spot.
3. Improper grounding - faulty input cables will produce hum also.Swap another cables to confirm that this is not the caused of the problem.Bad solder joints in the input jack will do the same symtoms.
If you don't have necessary tools and test instrument and can't troubleshoot the unit yourself, I would advice you to look for a qualified technician to isolate the symptoms.
Also check if your unit is under warranty period, avail it because the manufacturer will fix it for free, don't attempt to open the cover because it will void the warranty.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.
Posted on May 13, 2011
SOURCE: I have purchased 2 Ibanez
The input cable MUST be a TS (unbalanced cable) to turn the unit on. The sleeve of the input cable is what connects the battery. If you use a TRS cable at the input it likely will not turn on. A TRS cable has a tip, ring AND sleeve like many 1/4 inch stereo cables.
Posted on Sep 15, 2011
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