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Sigh. I'll look at the other visible boards to see if any of the connections are loose or disconnected.

Okay, Can you accept that I only took the mixer (m) buss card, the 8 input cards, the A and B cards and the monitor buss card out? And then can you tell me which one you believe to be the monitor buss card, because I think we're getting our wires crossed there. To me it's the card with the...

You don't have access to a 388 or a 388 manual do you.

It would really help if the damned plugs were labelled. They're not

To me it looks like where the channel faders connect to... What? What are they connected to? What is the name of the PCBs that the channel faders are connected to?

I can't take pictures. I have no camera mobile enough to do it with. Okay. P103. What is it? There are eight of them.

Okay, there are only three connections to each mixer board and it's easy to tell what they are (one on the top of each pcb and two at the bottom). Obviously the ones at the top connect the channel faders to their respective mixer pcbs, What do the two on the side near the bottom do? Second...

I didn't do a full disassembly (even I'm not that daft). All I removed were: The eight mixer channel cards, the A and B buss cards, the monitor buss card and, obviously, the mixer buss card. The first eight are identical, the A and B cards can be distinguished by what the pots on them do (A's...

Which connections are responsible for bussing signal to the pgm groups? And the monitor section.

Okay. Why is the signal from one channel being routed to all pgm busses regardless of where it's actually being told to go? And by that I mean, if I route the signal to tape track 1 via buss assign 1/2, pan turned fully left and left buss fader, as well as channel fader (the actual mixer...

Okay. There's a loose cable with red and white 8 hole connectors at either end. Would it be right to assume that the white end plugs into the A board on the second set of pins down?

With all connectors, except the 8 pin red, on the monitor pcb connected the record arm indicators are now flashing but still no sound.

On to the A board now. There are a group of wires soldered directly to the board that terminates in a red plug with 8 holes. There are two places it can connect to, One on the B board and one on the monitor board. Which one is it?

Okay. Let's go back to basics. I've successfully hooked up the stereo buss. What connections did I make to do that? What connections do I need to make to send signals from the mixer channels to the pgm busses/tracks and then on to the monitor section? Forget the aux or effects busses for now.

So... I somehow managed to get the stereo signal path working. The signal from the mixer channel (presumably all the mixer channels) now successfully travels from the mic/line input to the headphone outs (and presumably the stereo outs, though I haven't tried them yet). For some reason though I...

I'm getting a good strong signal to the stereo buss and phones out jacks. The program busses are still not behaving as expected though. I looked at the diagrams and did my best (I'm circuit board illiterate) but there are way too many sockets that have the same number of holes and wires that...

That rats nest of connectors between the A, B and Monitor buss boards is really confusing. Does anyone have a clearly illustrated diagram of what goes where? Though I suspect it's not the cables and my 388 may be no longer capable of functioning. :(

I put the thing back together to test it. Plugged mic into channel 1 XLR Put input selector in Mic position Turned pre amp up to 3 O'clock Set track 1/2 Assign button to on Turned channel 1 pan control fully left Raised channel 1 fader to unity Armed track 1 Raised left buss fader to unity...

If I wanted to buy a new set of LEDs mounted in those white plastic holders what's the part number?

I really really don't want to try soldering. I think I'll leave that to someone competent. I've never seen a 388 plug in card.