The pictures are in here third post down
http://www.diyaudio.com/forums/chip-amps/227052-lm1875-fizzing-away-probelm-6.html
Then the center is already connected and you have to use the 2 "side" wires (center is not used) where 24V can be measured. You have the 0-24V lines and connect them to the rectifier, reservoir capacitors and then to the amp section.
I appreciate all hobbyists got to start somewhere, but I really don't want it to be the end of them also.
You really ought to have someone there to help you - Particularly as you will be working on mains which is lethal. Please have your work checked by someone suitably qualified in your area.
You really ought to have someone there to help you - Particularly as you will be working on mains which is lethal. Please have your work checked by someone suitably qualified in your area.
Please hand draw and post what *you* have actually built.
No need for nothing fancy, free Microsoft Paint is enough.
By the way, did you use a mica and grease or a silpad to insulate LM1875 from heatsink?
Are you using a heatsink?
What is the measured voltage to ground on all pins?
Post a small table.
No need for nothing fancy, free Microsoft Paint is enough.
By the way, did you use a mica and grease or a silpad to insulate LM1875 from heatsink?
Are you using a heatsink?
What is the measured voltage to ground on all pins?
Post a small table.
Many many many thanx everyone for helping me and for trying to help me...you guyz are really very helpful...i have learnt so many things from you...tomorrow im going to have some help from professionals...i never expected as good beahavior as u have shown...i m not a native english...may be i have made a lot of mistakes... so forgive me if you can...and again thax a lottttt...
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