Opened up my PS2 fat console:
Ok, looked at the 5 ribbon cables from the motherboard on the PS2 to the disc drive unit.
Three of them are easy enough to relocate, the wires are about 1mm apart so not too hard to solder to these points and extend the distance with wires; one of the other ribbon cables has wires about 1/2mm apart so too small to solder to by hand, however fortunately, the ribbon goes only to the eject button and on/off/reset button by the drive unit, so that is easy to remove and better to anyway so can move the buttons elsewhere; however the issue is this: the ribbon from the motherboard to the laser unit. There look to be 32 connections over 16mm, problem is the ribbon cable is short.
I can't solder connections that close together, makes my eyes boggle trying to focus on such small connections as it is. Only have two options, one is to buy a longer ribbon cable, 32 connections over 16mm wide and the other is to find each connections' termination and wire to that point; and hope I can remove the port with its tiny connections without damaging it.
Ok, I know this is expensive but have little choice, bought a 30 pin 16mm connector as per this listing on ebay costing about £8.41. For about £20-£25 I could get a PS2 slim I know however it might not work (car boot sale purchase) as opposed to using my PS2 phat that does (at the moment) work and are cheap to buy.
The connections are so tiny on the ribbon cable it is hard to count them, tried tracing the connections, found some, however was still in the issue of wiring to the tiny connections on the port; high chance of ruining the port by removing it anyway to do this, so instead, paid for a 250mm long ribbon connector.