(Topic ID: 79650)

TECH—TZ Only Resets When Cold (Doesn’t Reset When Warm Despite 5V Only At 4.8V)

By NM

10 years ago


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#19 10 years ago

PinWiki is correct.

--
Rob Anthony
Pinball Classics
http://LockWhenLit.com
Quality Board Work - In Home Service
borygard at gmail dot com

2 weeks later
#40 10 years ago
Quoted from NM:

...Should I add BR2 jumpers to C5 while I'm there?

If parts have been replaced unprofessionally or by someone unknown, yes, run the jumpers.

--
Rob Anthony
Pinball Classics
http://LockWhenLit.com
Quality Board Work - In Home Service
borygard at gmail dot com

#47 10 years ago
Quoted from NM:

Thanks Rob, very interesting--here's a working link:
ebay.com link
Noted from the YouTube it's plug n play on the CPU--guessing the design accounts for if the problem originates from the PDB?
» YouTube video

Unfortunately this solution is a band-aid to the actual problem. I suspect that because it's a very quick and easy band-aid that some will latch onto it and consider it the greatest thing ever. I also suspect it will severely tax the 12V regulated power and cause issues there.

One thing that really bothers me though, is the sales pitch blames the CPU's watchdog. The watchdog is actually very rarely the problem with WPC reset issues. It's very easy to disable the watchdog, do that and watch the resets continue.

--
Rob Anthony
Pinball Classics
http://LockWhenLit.com
Quality Board Work - In Home Service
borygard at gmail dot com

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