ps4 console unrecognized disk after new drive fitted

Hi guys

Anyone good with consoles ?. My friend and myself have been attempting to fix his ps4 to no avail. His ps4 model CUH-1216B started giving an unrecognizable disk error.

Quick look on youtube and online we have tried 

*Safe mode

*safe mode update system software though internet

*rebuild database

*tore down, cleaned lazer, 

*and blew out all dust and everything (was caked)

So after all that still nothing, so he decided to buy a replacement drive, form what ive read with the older models there is no pairing with the boards in these drives unlike newer ones.

So bought a drive from an ebay store, fully tested with warranty and return avalible. Drive came today

Fired it in the console .....SAME ERROR ! , DISK UNRECOGNISABLE. So contacted the place, who said it could be a faulty logic board as these drives all the firmware is not on the drive its on the console......

So now hes £40 down, its gonna be cheaper to buy a used console than it is to buy a new logic board. Wondering if there is anything else we can possibly try that maybe we have missed.

Drive we bought listed below  

++https://vod.ebay.co.uk/vod/FetchOrd...VP...