Tremulous Lune Experts help me out!

[Skruffyhound]

Hi, I'm having a Lune problem. It was built as a quick "stock version" to test with some other effects before "refining". Now it has cost quite a few hours of debugging and I should just quit and build again or breadboard but I can't stop looking at it

I have a non-flashing LED, it lights and can be adjusted in brightness by the depth pot, but no blinking on and off. I'm not using a vactrol at the moment, but I've socketed the LED/LDR so I can fiddle with the values. In a bizarre accident while changing the 4558 my  finger covered the pins on the copper side with battery connected and the status LED began to blink, which I found could be adjusted with the pot controls So the LFO is working to some extent

I have tested continuity of traces, off-board wiring, checked resistor/cap values/polarity, cross-referenced the
Layout :  http://fuzzcentral.ssguitar.com/tremulus/tremuluslayout.gif   with the
Schematic : http://fuzzcentral.ssguitar.com/tremulus.php
Checked pinouts with the traces, reheated all joints adding solder, compared Tonepad and Commonsound schems etc. Er, and checked a million other things.

Here's my voltages
TL072
1. 4.5
2. 4.5
3. 4.3
4. 0
5. 4.3
6. 4.5
7. 4.5
8. 9.2
4558
1. 2.29
2. 2.29
3. 4 - 4.5
4. 0
5. 4.1 - 4.8
6. 7
7. 5.4 - 7
8. 9.2
Pots were all approximately in mid position.

It passes a signal and I can hear that the LDR is working at least to some degree if I shade it from light for example. I have plenty of gain and the trimpot is working.

I know this is either something above my current knowledge or so simple my kids would spot it in a moment, either way - put me out of my misery