Daytona USA 2 problem

segundosombra

Cheng's Errand Boy
Joined
Jul 29, 2004
Posts
114
I all!
I got this messege from my Sega Daytona USA 2 game while running a video board test:

POLYGON MEMORY
IC70 IC71

TEST FAILED
PRESS TEST BUTTON TO CONTINUE

What kind of devices are IC70 and IC71?
Any help with this problem would be much appreciated.

Thanks in advance,

Marcelo
 

Xian Xi

JammaNationX,
15 Year Member
Joined
Dec 1, 2005
Posts
27,751
Are you planning on fixing this yourself? If so, open it up and look.
 

segundosombra

Cheng's Errand Boy
Joined
Jul 29, 2004
Posts
114
I did it but I can't find them :( There are no ICs with IC70 and IC71 labels. Do you know if these are ram devices?

Thanks,
Marcelo
 

dragonpt

Over Top Auto Mechanic
10 Year Member
Joined
Oct 19, 2008
Posts
867
I all!
I got this messege from my Sega Daytona USA 2 game while running a video board test:

POLYGON MEMORY
IC70 IC71

TEST FAILED
PRESS TEST BUTTON TO CONTINUE

What kind of devices are IC70 and IC71?
Any help with this problem would be much appreciated.

Thanks in advance,

Marcelo

I only have little expirience with , since a friend of mine have this one:

- Check the rams on the board if they are IC Ref: D4811650GF ou TC59G1632AFB/10
- The IC70 and 71 are on the Main Board 3 (sound board)




Board revision, step2.1 ?
 
Last edited:

Xian Xi

JammaNationX,
15 Year Member
Joined
Dec 1, 2005
Posts
27,751
I only have little expirience with , since a friend of mine have this one:

- Check the rams on the board if they are IC Ref: D4811650GF ou TC59G1632AFB/10
- The IC70 and 71 are on the Main Board 3 (sound board)




Board revision, step2.1 ?

You sure the part number is TC59G1632AFB? That comes up as a QFP, the ones in the pic aren't QFP.
 

dragonpt

Over Top Auto Mechanic
10 Year Member
Joined
Oct 19, 2008
Posts
867
You sure the part number is TC59G1632AFB? That comes up as a QFP, the ones in the pic aren't QFP.
your right, did a little mistake, those part numbers are from the Daytona USA (1).

But The picture is the right one.
the boards are rev step2.1.
 
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