Midway NFL Blitz '99 - change resulution 50Hz

maxei1978

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Oct 16, 2010
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Hello all,

sorry for my bad english!

i need your support:
i want to play Mortal Kombat on the NFL Blitz 99 machine on foreign voltage.
I have changed allready the voltage to 230V, the flush and the fluorescent lamp.
The machine is running - i hear the sound, but i see a destroyed picture.
The monitor is running under 60Hz and i don`t know how to change it to 50Hz.
P.s. if i put the orginal PCB in it - everythig is running well - the PCB is build to run with 60Hz...

I have following configuration:

Chassi K7500
Name of the machine: Blitz 25
Platine nr. for the monitor: WG 1499660
Monitor: Philips A63AFW36X
R25WHGN
9301-763-20443


Please help me!

Thanks,
Max
 
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