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Yamaha CR-640 lights question

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EmperorNorton:
I have a Yamaha CR-640.  The four lights behind the radio dial do not light up.    I ordered replacement bulbs and thought I'd need to solder all of them.  When I removed top of receiver,  there is no visible wiring to the bulbs.  So I am thinking these just pop in and make contact thru the panel.  Picture is attached.


thanks for any advice!

gdv:
Emp,
Sometimes those are twist in bulbs, & sometimes you need to solder...  You will need to remove the green color coverings & place them on the new bulbs...  We need a picture of the front (looking down on bulb) & a picture from the back of the circuit board...  Or at least I do!!!   >:D

HTH,
George 

EmperorNorton:
GDV,

its a little hard to see on the photo, but here is an orange wire and a blue wire attached to connectors on the panel, secured by a black tie wire that you can see between the upper green and middle green bulbs.   Last night I removed a bulb by simply twisting and pulling it from the panel.  So I am guessing there are built-in contacts that the lights will meet when inserted.   

thanks
Mike

Dicky:
Make sure you are getting voltage to the bulbs as well.

EmperorNorton:
The four green lights popped in and lit up.  Next I will find and replace any white lights and learn me some soldering.

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