I'm sure many of you know the feeling. You turn on your beloved system, and somethin' is wrong. What, the left channel isn't working! What could the problem be? Speakers? PC? Bad connection? Did you finally kill the LD?
Well, u didn't listen to TD, and you did this crazy stuff and ran one channel on 12V and the other on 6V, and you used a 2.5A tube (with ext PS) where the max is 1.25A. How much does it cost to send it back to China? How do you contact LD? How long will it take to get it fixed? Could it be one of those pesky resistors (shudder)?Is it cheaper to buy a new one? MKIII or IV?
Perspiration, anxiety, worry. How can I listen to mediocre sound in the absence of the LD?
Well, let's see. Pull out all the external stuff, pull on all the wires, change all the tubes to OEM stuff. PC? - no, it works both channels. LD? Only the right channel. OK, I'll rewire the 6832 adapter; while I'm at it I'll add some some heat shrink insulation; seems less messy than turquoise nail polish - or red nail nail polish. Slap everything together. Perspiration. Doing a mental check: Can't remember any electronic acrid burnt smell, no poof or loud crackle. All three heaters light up. OK - turn on the sound. Sounds good, BUT ONLY THE RIGHT CHANNEL. Panic.
Well, it got to be something simple. Maybe. Didn't smell anything acrid, right. Of course, it must be that one of the E95 jumpers underneath worked itself loose or corroded. You just had to demonstrate that drum solo to one of your grand children, didn't you? Check - nyet; everything in place. Still NO LEFT CHANNEL. What's next? Check all the cables to the LD - everything OK. Calm down, take a few deep breaths, think about something else (can't). RELAX, RELAX.
To make a long story short: On the back of my 35 year old Sony amp is a slider switch that switches on and off an external equalizer loop. The LD is connected to this loop. Turns out that the switch corroded and killed the left channel. A few pushes back and forth cleared up everything. Hurray! Everything works! Need to get the super advanced hi tech super mods in place again - 12.6V 12SN7GT, 6.3V 6080, and the 6832 in it's new red clothes.
Another day in the life of a Little Dot owner.....
Edited by mordy - 6/9/14 at 9:42pm