Questions & Answers for: audio amplifier ic

...audio equipment, I would suggest to check the audio just before the It gets to the Amplifier ICs. In order to do this you should have the schematic diagram or the Amplifier ICs data

...you point me to where I could find the correct replacement amplifier ICs? Google searching has shown me that they are ASICs but can't find anything beyond that. Can you give me the numbers of the

...indicating the power wire is fine. Would pl If you can desolder the audio amplifier IC to check the device turn on,If the device turn on with the audio amplifier IC desoldered you need to change

...audio amplifier ICs section. Most probably the Audio Amplifier IC faulty but there are many version of Bose Wave radio and therefore couple of Audio amplifier ICs have been used namely TDA 7374, TDA ...

...amplifier No sound from the amp! I've checked; Power supply (OK) Mute turned off, volume turned up(OK) Source and speakers connected (OK) Headphones not plugged in (OK) No obvious damage Any ...

...- no audio. Audio o/p IC's measure ok. trace the signal into those ic's, if there is input then the outputs aren't working unless of coarse you have no supply to them, then they wouldn't output

amplifier. 2. Check with an audio source from a DVD to the audio/line input . If sound is present the amp is working and if not the power amplifier is faulty. If so check the power to the audio output

audio parts and also changed the memory ic but steel there is no sound how about the amplifier ic does it work, check the supply voltage. then if you know the pin configuration of the ic, look for the

audio amplifier ic? actually I see detasheet of utc2003 and not found there audio input in utc2003 any pin? is audio output from main ic is mixed in gnd.? expert plz help me on this issue pkz plz plz

...output, as the sound IC have two outputs and one of it doesn't output the audio, if two sound IC's, it's a must one of it is faulty, you better change both for long run of the audio amplifier good ...