(Topic ID: 172440)

Open the Door-Last action Hero

By jordan

7 years ago



Topic Stats

  • 1 post
  • 1 Pinsider participating
  • Topic is favorited by 1 Pinsider

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#1 7 years ago

Hi to pinside members.
My LAH displays "Open the Door" when i power the Cpu.
I have checked the battery section and i have already changed the D5 chip with an nvram chip.
My cpu lights the 2 red leds that show good functionality.
The display shows Open the door and then it stays blank.It shows only "command 84" for less than a second
occasionally.
Entering diagnostics i can go up and down from 00 to 02 ,04(jumping one each time) and so on .I can change only few of the values...

Recently i had a blown fuse F4 from the power supply and then i found out it is the left flipper transistor Tip122 from CN19-CPU.
After replacing it nothing changed...

So please can somebody give me any information of what to look for?
Thank you in advance

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