Twitchie, since you kissed me awake, here's what my old fingers came up with that good old Soul...
Just by looking at it it seems clear to me that I must improve the spacing—turn the Cap-Bank 90° (space is just snuggly ok), shorten bottom-plate and rewire the beast. (Ah, and I intend to insert a sort of handle to the psi, to be able to one-handedly lift it out of the chassis)
Since I must remove the boards to replace a faulty part, I will take the opportunity and turn the Beguns 180° (and add the forgotten heatshrink-tubes), so that the wires are parallel from board to beast...
@ZenMod: 🚙
Attachments
Just a word of caution:
Guess what: The cap-bank was still under load, causing a frightening zap-sparkle! Aah, I sometimes hate to be such a ... greenhorn.
Q 1: do the caps suffer when they're not getting drained for so long? (not speaking of shorting them, mind you)
Q2: Since they're off-board and not connected to anything anymore, how should I drain them?
Ok, so after what, 6 weeks, I got back in screw(-around)-mode, and dismantled my Old Soul to get the weaknesses and mistakes out.
Guess what: The cap-bank was still under load, causing a frightening zap-sparkle! Aah, I sometimes hate to be such a ... greenhorn.
Q 1: do the caps suffer when they're not getting drained for so long? (not speaking of shorting them, mind you)
Q2: Since they're off-board and not connected to anything anymore, how should I drain them?
they are happy being full, waiting to zapp! whatever comes first
use 1K small resistor for few secs of draining, then use 10-20-50R resistor, whatever you have handy
if you go that way, in two steps , no need to use fat ones - small 0207 are good enough
hope you didn't sparkle on channel boards .......
use 1K small resistor for few secs of draining, then use 10-20-50R resistor, whatever you have handy
if you go that way, in two steps , no need to use fat ones - small 0207 are good enough
hope you didn't sparkle on channel boards .......
Bad Andy! Bad!!!
Thank you! I like bad. OTOH, I am simply stating that I have some experience in controlled discharge. However, keeping in mind that out of control discharge might be more fun, at least in the short term.
I simply think that being a family man, myleftear perhaps unconciously zapped his PSU in search of a spontaneous one.
Haven't had much time to play lately but getting another look at Old Soul - I didn't order parts kit so I ordered my own parts. Does the grade for the optocoupler OK101 and OK102 (PC817C) make a difference? I notice now there are B, C and D grades/bins with different transfer ratio (Max) as well as forward DC current differences (10mA for B, 50mA for C&D). I checked my DK order and I have B&D grade parts, no C. On the channel I have working, it's fine at 1W but just past 2W, it starts to distort rapidly. Please note this is the working channel. I haven't checked the channel that doesn't bias yet.