(Topic ID: 138676)

Bridge Rectifiers Data East

By N8man

8 years ago


Topic Heartbeat

Topic Stats

  • 15 posts
  • 3 Pinsiders participating
  • Latest reply 8 years ago by Hawk007
  • Topic is favorited by 2 Pinsiders

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#1 8 years ago

last night playing LAH flipper tip broke off player held flipper up and the game freaked out starting reseting multiple times.
My research has lead me to believe the reset could be a Bridge Rectifier issue, and or diode at the coils.
So upon inspection PS board BR is a MB351. looks like its been replaced
2 above the large capacitor are MB351. looks like its been replaced, one is loose on backplate.
and the PPB is a MB354. looks to be original.
Should i replace all or some which ones?
i have 2 Bridge Rectifier - 35amp 600volt KBPC3506W on the way, and locally can get 35amp 1kv (will theses work or overkill?)

#5 8 years ago

checked all fuse holders when i first got the pin 2 weeks ago, replaced every fuse to make sure correct ones were installed many were under amped.

looks like i should order a couple more BR's to be safe.

-1
#6 8 years ago

5.03 at 5+ TP1
11.80 at 12+ TP3

#9 8 years ago

ok will pull PS board check the caps. looks like the PS board BR tabs were cut and the new BR soldered onto the old tabs.

maybe unrelated now all lamp matrix lights are out.

#11 8 years ago

PS board out
CN1 pin12 is broke free will resolder
BR test
+ to AC .54
+ to 2nd AC .52
- to AC .49
- to 2nd AC .51

#13 8 years ago

had a cap on hand for C2 and replaced.

whats the best method to remove the 12 pin molex male board?
pin by pin with an iron, or reflow station and heat it all at once

#14 8 years ago

just checked BB BR's one is reading .89 thats the one that was loose. new BR's should be in tomarrow

Thanks guys. will fallow up later

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