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(Topic ID: 313779)

Star Trek TNG Color DMD blank issue

By kidjim25

2 years ago



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#1 2 years ago
OP
 
KID

kidjim25

Pinside member

US Darien, IL

2y 15,750 1 3

Greetings everyone,

I’ve had a 1994 sttng for a few months now, plays great no issues until a couple weeks ago. I had added a color dmd right after purchase and have had no issues until we had a power flash in my home. Game came back on with no issues but the DMD screen was blank, I changed a fuse that looked Smokey and still no response from the screen, lights on the controller board are lit as well. Any ideas on what may be causing the screen to be blank? Do I need to reset the rom?
Any help is greatly appreciated

Thanks!!
James

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#2 2 years ago
 
DGV

The_Pump_House

The Pump House

US Wood River, IL

3y 78,300 1,707 50 7

Can you enter the color dmd menu with the buttons on the back of the colordmd?

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#3 2 years ago
 
???

pins4u

Pinside apprentice

BW Gaborone

3y 34,400 1,037

Measure voltages. If you can't or don't know how to, ask a friend who can.

You can't fix electronic equipment by "looking" for faults in almost all cases.

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#4 2 years ago
 
MIK

mikeflan

Pinside member

US Houston, TX

10y 62,800 522 57

As previously mentioned, if you can enter the color dmd menu with the buttons on the back of the screen, I bet your rom file got corrupted. Redownload it onto a usb drive, install it, and see if it solves your issue.

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#5 2 years ago
 
BTF

PinballManiac40

Pinside+ Frequent

14y 234K 17,619 104

Test/replace F116 at the upper left corner of the power driver board. 12Vunreg is needed to light the display.

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