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Re: Troubleshooting a 250 model 1 Bass amp [message #27408 is a reply to message #27393]

Mon, 01 July 2019 13:17

chicagobill
Messages: 2005
Registered: April 2003

Senior Member

Great news! Glad that you were able to revive it.

The front lamps in the switches are #335 bulbs. The front blue lens assemblies pull out and the bulbs are screwed in underneath. You might find it easier to replace the bulbs if you get a short piece of rubber tubing or heat shrink that can be pressed over the bulb's glass for a better grip.

The important warning here is that the power switches are made entirely of plastic. Plastic that has become very brittle from age. The threaded mounting sleeve that holds the switch to the metal bracket will break off from the body of the switch making the switch inoperative. So do not stress the wires or pry too hard to get the lens off as the plastic will break. If the plastic breaks, you can use two cable ties to secure the switch assembly to the mounting bracket, but be aware that the switches are difficult if not impossible to replace.

Congrats again on the repair.

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[Message index]

		Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Mon, 24 June 2019 20:00
		Re: Troubleshooting a 250 model 1 Bass amp By: stevem on Tue, 25 June 2019 06:08
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Tue, 25 June 2019 17:04
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Tue, 25 June 2019 17:19
		Re: Troubleshooting a 250 model 1 Bass amp By: chicagobill on Wed, 26 June 2019 13:29
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Wed, 26 June 2019 16:04
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Wed, 26 June 2019 16:38
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Thu, 27 June 2019 07:37
		Re: Troubleshooting a 250 model 1 Bass amp By: chicagobill on Thu, 27 June 2019 15:47
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Thu, 27 June 2019 21:03
		Re: Troubleshooting a 250 model 1 Bass amp By: chicagobill on Thu, 27 June 2019 23:50
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Fri, 28 June 2019 20:28
		Re: Troubleshooting a 250 model 1 Bass amp By: chicagobill on Sat, 29 June 2019 00:15
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Mon, 01 July 2019 11:25
		Re: Troubleshooting a 250 model 1 Bass amp By: stevem on Mon, 01 July 2019 12:17
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Mon, 01 July 2019 15:29
		Re: Troubleshooting a 250 model 1 Bass amp By: chicagobill on Mon, 01 July 2019 13:17
		Re: Troubleshooting a 250 model 1 Bass amp By: stevem on Tue, 02 July 2019 06:11
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Tue, 02 July 2019 17:11
		Re: Troubleshooting a 250 model 1 Bass amp By: chicagobill on Tue, 02 July 2019 20:07
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Tue, 02 July 2019 22:07
		Re: Troubleshooting a 250 model 1 Bass amp By: stevem on Wed, 03 July 2019 05:38
		Re: Troubleshooting a 250 model 1 Bass amp By: Byteviolator on Thu, 04 July 2019 17:51
		Re: Troubleshooting a 250 model 1 Bass amp By: stevem on Fri, 05 July 2019 06:55

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