> When you say that it's OK, do you mean that you can measure some voltage at G2 when the SAW switch is on and nothing when it's off, or is it only based on a visual check?It was a visual check of G2.....Ill try to measure it.
> There's also the transistor TR6 that you might check before discarding IC9.
Can TR6 be replaced by 2N 3819 transistor I used to change FET6 ?