When you turn on my Elvis 2004 the bottom right flipper would fire and stay charged till fuse blows. So I replaced Q 16, made sure coil and diod are good.

Now I turn on machine, flipper coil does not fire or stay charged and fuse is good. But will not work during play or diagnostic test. I did run a wire from ground and then touched Q 16 and coil does fire!

Diagnostics says replace IO board or Replace CPU board? Not ready for that yet without a fight. Any help is much appreciated.

Thank you,

McPin54

Post last edited 9 years ago.

#2 9 years ago

TAB

terryb

Inactive member

Banning, CA

11y 90,150 4,795 14

First thing to check is that you didn't damage a through-hole or trace when replacing the transistor. Check through board and across board conductivity with a DMM.

#3 9 years ago

CDY

cody_chunn

Inactive member

Mobile, AL

9y 64,800 4,520

Elvis had shoddy flipper cabinet buttons that were prone to flaking/chipping. Make sure that switch is in good shape.

#4 9 years ago

SMM

McPin54

Pinside member

Massillon, OH

10y 103K 1,818 50 22

Quoted from terryb:
First thing to check is that you didn't damage a through-hole or trace when replacing the transistor. Check through board and across board conductivity with a DMM.

I apologize but I am not sure how to check. How would I do that?
The transistor is showing correct voltage.

Thank you,

McPin54

#5 9 years ago

SMM

McPin54

Pinside member

Massillon, OH

10y 103K 1,818 50 22

Quoted from cody_chunn:
Elvis had shoddy flipper cabinet buttons that were prone to flaking/chipping. Make sure that switch is in good shape.

No doubt, Already replaced.
Thank you,

McPin54

#6 9 years ago

SMM

McPin54

Pinside member

Massillon, OH

10y 103K 1,818 50 22

#7 9 years ago

SMM

McPin54

Pinside member

Massillon, OH

10y 103K 1,818 50 22

Anyone?

#8 9 years ago

SMM

McPin54

Pinside member

Massillon, OH

10y 103K 1,818 50 22

Bad transistor and bad trace. Both fixed and works great!

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