pacman pcb problem

[monkfish]

can somebody help me with the problem?

i checked al eproms and the ram chips located on 4K to 4R

and they are ok

also checked the nvc 285 located on 5S en the nvc 284 located on 6D

thanks

 

[sukhbir]

Looks as though it’s not booting,if it’s a original midway pcb I would replace the z80 and all eprom sockets as they are not very good.if it still does not boot then it’s more likely a component level repair.

 

[Lurch666]

If you have a logic probe or oscilloscope check the reset (pin26) on the Z80.