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Pinball Repair - Squawk and Talk Issues

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Dave deals with issues from an old Bally Squawk and Talk board in the Vector.
0:00 Introduction
0:12 Undeserved (?) praise
0:26 Previous changes, new problems
0:47 Put everything back the way it was?
1:20 Problem deterioration
1:45 Problem assessment
2:08 Ordering new electrolytic capacitors
3:42 Sources of potential disaster!
5:17 Where.to start? Replace your best suspects and test.
7:03 Game Time!
Required capacitors (what I ordered!):
C1 - 47uF/50v
C14 - 4700uF/25v
C15 - 10uF/50v
C19/C24/C25/C28/C31/C34/C42 - 1uF/50v
C27- 1000uF/16v
C29 - 470uF/16v
C36/C43 - 2.2uF/50v
C37/C38 - 330uF/50v

Опубликовано:

17 авг 2024

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Комментарии : 4

@richdaigle 3 месяца назад

Dave I could not have more empathy...I recently decided to finally fix a three issues my WORKING original Black Knight 1. the jet popper (only has one) wasnt working 2. the knights voice was deep in the background but clearly wasnt hitting the amplifier circuit...I dug into the popper problem, the coil tested good ...the diode bad...replaced and with the first pop...the displays went out...like I had unleashed a curse ...its been issue after issue...a kicker coil came on staying on...diodes I'd replaced in the power supply were dead...fuses are burning at power up uuuugh...but it just made me more obsessed. Ive done plenty of electronic work in my day so schematics are not a problem...the deep dive into the pinball circuitry has been nothing short of fascinating ...I'm in a very rural area so if I need a 330K resister its a 2hr drive or 3-5 day wait...Ive got a bag of parts on order and now I wait!

@davesthinktank 3 месяца назад

I did eventually fix all the Vector's issues! It's been great since. I usually find the bigger the problem, the smaller the cause. I had things shorting out all over my Star Trek a couple years back, and finally tracked it down to a bit of solder that dripped from a repair I had been working on, to short a switch to a solenoid! I hope your new parts do the trick!

@dangermartin69 7 месяцев назад

Mouser, digikey or newark are much better for capacitors. Digikey ships in Canada for 8 dollars and it comes in two days. Over 100 dollars is free shipping.

@davesthinktank 7 месяцев назад

Good to know, thanks!