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ciggytardust

Noritsu V30 showing "****" on LCD display

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We just purchased a Noritsu V30 and we've had a few issues. We've addressed most of them but now we have a problem with the display only showing "****" and nothing else. It is not responding to any input from the keys. When the machine is powered on, fan and motors are running but we cannot proceed as we are unable to go beyond the "****" on the screen.

We had to replace the power supply board and power board 2. Do you folks have any insight into what is going on or how to fix this?

Thank you.

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○ what do you mean by " We had to replace the power supply board and power board 2." ? 

○ Was  **** show up first thing in one morning power up,,, or what had you done to machine before you have ****  ?

○ I would say .. check for connections around keyboard flex cable, and between display pcbs. Can use stationary Rubber to rub/ clean the flex contact points.

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Why did you need to replace the power supply and power board?

If chemistry got spilt on to the machine and it and it went bang, it probably has damaged the display control PCB or the main control PCB as well.

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Let me expand on this...

The machine we received hasn't been working since we got it. We have been troubleshooting to get the machine to work, which included replacing said boards. We were able to get the machine on and the LCD did display but after turning it off and leaving it, we tried turning it on again and we got nothing. No power. We replaced the boards, the machine is now running but the LCD is showing ****. What is the next step here? One suggestion was that we update the firmware but we do not have the floppy disk to do that. What could have caused this to happen? There was no spill. 

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On 10/8/2020 at 3:15 PM, Dave S said:

You can try reloading the software from floppy disk. Put the disk into the drive turn on the machine  Software is here https://we.tl/t-BIEs6KF7gU

I suspect there is a problem with the display control PCB J340034

We have inserted the floppy to update the software. The LCD has been showing "Program Download" for the last 45 minutes. 

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If you instead "****" see "Program Download" then LCD and display control pcb are working. Your film processor just lost software ( on main control pcb, display control pcb, or both of them ) .
Can be bad floppy disk, or floppy disk drive. Check floppy disk on any computer. Try to use other floppy. Make full format ( not fast ) before floppy  image restore. Check floppy disk after that ( copy files to HD and make sure, that have not reading errors ) .
If with other floppy disk have the same problem try to change floppy drive.

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15 hours ago, ciggytardust said:

We have inserted the floppy to update the software. The LCD has been showing "Program Download" for the last 45 minutes. 

Probably a bad floppy disk or bad floppy drive.

If after replacing them you still have the same issue, the problem will be either the main control PCB or the display control PCB.
The software gets loaded into both of these circuit boards.

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