Originally Posted by Glo8al
Sorry for the delay, I just got the second unit yesterday (didn't have time to take shots of the first unit.)
This unit was a little different, they put a black foam cover over the chips (see pic on left side were I pulled it off)
I still have no luck with the Joytech
Here is the main pic, if you need close ups of a section, just tell me and I'll do it.http://i149.photobucket.com/albums/s65/Glo8al/245c.jpg
Thanks for the picture. The 245C is NOT the same as the 240c.
I can quickly see they knew the problems of the 240 and thus resolved to fix them, but they failed.
The circuit used in the 245 is similar to that of the 540 (360 switcher) which again has the same problems. My guess would be they rushed the 245/540 at about the same time.
The problem with the 245 is the same as stated with the 540. They did use better ic's, the TE330, but they did not use a proper amp on the output, thus limitting the bandwith. (You can even see the location between the HEF4051's for the use of TE330's instead of the HEF4051's. They where expecting problems and had placed the pads for the different chips just in case - but the sound doesnt have problems so the chips didnt need switching)
The 245 wont be fixable in the way the 240 is, as the TE330's are daisy chained. (It may be fixable, but would be a much more complex fix)
A quick snaps of the reverse of the board would be handy.
And of the board on the bottom (the optical one).