(Topic ID: 193488)

Two dead lights on my Pink Panther

By Yeastlord

4 years ago



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  • 6 posts
  • 2 Pinsiders participating
  • Latest reply 4 years ago by ChrisHibler
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#1 4 years ago

I've got two lights that aren't getting any juice on my Pink Panther play field. Is there a good guide to troubleshooting lights? I've tried new bulbs and even replaced the bayonet sockets just to be sure. No luck. All of the lights around these work fine.

-Thanks for your help

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#2 4 years ago

You need the manual to see which transistors drive those lamps.
You will find those transistors on the driver board.
It will probably be an MPS-A13 but may be an NDS-U45 (harder to find)
--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info

1 week later
#3 4 years ago
Quoted from ChrisHibler:

You need the manual to see which transistors drive those lamps.
You will find those transistors on the driver board.
It will probably be an MPS-A13 but may be an NDS-U45 (harder to find)
--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info

I traced back the to the transistors and they're fine. I even replaced one just to be sure I wasn't checking them incorrectly. What's the next thing to look at?

#4 4 years ago

Does the lamp socket have about 6VDC at both solder lugS?
--
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/contact/
http://www.PinWiki.com - The new place for pinball repair info

2 weeks later
#5 4 years ago
Quoted from ChrisHibler:

Does the lamp socket have about 6VDC at both solder lugS?
--
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/contact/
http://www.PinWiki.com - The new place for pinball repair info

This might be a stupid question but are the solder lugs where the wires are attached to the socket? If so then no, no power at the sockets when lit.

Thanks for the help Chris.

#6 4 years ago
Quoted from Yeastlord:

This might be a stupid question but are the solder lugs where the wires are attached to the socket? If so then no, no power at the sockets when lit.

There are no stupid questions. You are correct, the solder lugs are where the wires attach to the sockets.

Both solder lugs should have power. If they don't, then trace back through the wire that should be common to all sockets (since it delivers power). There might be a break in that wire.
--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info

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