Thankyou to all who have replied. I have decided to throw the unit out now but it would have been nice to have found out what went wrong. I decided to do a google on the IC and was going to try another one in the board just to see? But it seems that this part is not easy to get hold of unless...
Ok well if you do need pics i can probably get better ones that is no problem.
However the IC i googled the number on the back of it and it comes out as a La4728 which all i can find is a BTL 2 channel power IC used for Car stereos? This is a small household hifi.
Now is it possible my problem...
Sorry i only put up the pictures as some kind of reference really. I have checked the board for dry solder joints or cracks already and the solder joints are in fact perfect.
I have checked through the diodes on the board, i would not have thought these would have gone anyway but i checked them and all seem to be fine. I am wondering if it is one of the capacitors that have gone bad? None are bulging or leaking but i am wondering if it would be a good idea to remove...
i see now where the confusion was. I meant that i replaced the fuse in the plug i never had my tester with me at that point so just replaced the fuse in the plug. Yes it is the DC fuse on the board i was later refering to which was not blown. Just took it out put it back in then we had power but...
Yes sorry for the dleay in reply. It is the fuse that is on the board. The fuse is not blowing if i said that no that is incorrect i meant to say i thought it was blown. The fuse was tested and was found to be ok. No what it is when i remove the fuse on the board then put it back in and switch...
OK i am new to this forum so firstly hi to everyone here.
I have a problem on a hifi the problem started when the unit was switched on one day and nothing happened? I suspected it was a blown fuse of which was replaced but still no power. However the standby light was just barely visible. Now i...