I have the whole 5 piece home audio system which was bought new in 1992 (I think). This system is wonderful, everything plays beautiflly, but the sound will not adjust. All of the sudden it just locked in on a certain spot (about 78dc) which is pretty loud, and it will not adjust up or down. The remote will not adjust the sound, nor the knob on the amp. Any suggestions? I hate to disgaurd this system, it plays so well, if the sound was adjustable it would be perfect.
Unplug, take off cover (6 screws). Locate the POT at back of volume knob. At wire lugs spray some Deoxit contact cleaner in cracks. Move knob back and forth a few times. Replace cover n try it??
SOURCE: Technics SU-V98 No Sound
If I understand your posting correctly, the amp works using the Aux In connectors but not using the VCR1 even when VCR1 is selected correct? If that is the case, there is an internal electronic switching IC (TA9263 I think) that may be defective. This is not a complex repair and can be confirmed easily by any shop that does audio repair. They will trace the incoming signal with an oscilloscope to the IC and see nothing come out when VCR1 is selected. The IC costs less than $10.
Dan
SOURCE: Hello I have a Technics SU-V45A amp, it's about 18
See there is a problem with the volume conroller as it is 18 years old the controller has worn out replace the volume controller with a new one and you will be able to enjoy great sound again
SOURCE: Technics SU-G91 OVERLOAD PROBLEM
I just bought a Technics SU-G91, hoping to connect to my akai GX-230D reel to reel and speakers. do I need to get anything else to hear it, like a receiver/tuner? everything appears to be working or have I just hooked it up wrong?
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