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Vintage Tape (Audio), Cassette, Wire and Magnetic Disc Recorders and Players Open-reel tape recorders, cassette recorders, 8-track players etc.

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Old 21st May 2020, 11:35 am   #1
Paulus.d
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Default Tandberg PCB's

Been working on the remains of my beloved Tandberg during the lockdown.
Got it mechanically sorted and started rewiring with helpofthe serice manual, but found the Pcb's have 'rotted' away.....any attempt to resolder any joints leads to the tracks peeling off the board!
The caps are loose because the solder pads have just come away from the board....
Has anyone else noticed this with PCB's?
Regards Paul
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Old 21st May 2020, 1:49 pm   #2
DMcMahon
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Default Re: Tandberg PCB's

In my own personal R2R experience this is very unusual, I have never done any work on my three Tandberg's boards, I must give them a visual inspection.

It is not that uncommon though for the occasional artwork/pad lifting/breaking away during soldering repairs.

David
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Old 21st May 2020, 10:06 pm   #3
ben
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Default Re: Tandberg PCB's

The traces are not very robust, it is true. The trick is to use a hot iron for just as long as possible to make the joint, and no more.
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Ben.
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Old 22nd May 2020, 3:29 pm   #4
Paulus.d
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Default Re: Tandberg PCB's

Spent most of yesterday going over the joints, securing all the caps that had broken from the tracks.... both PCB's are not working....the Amp is terribly distorted and the rec-playback one doesn't light the rec indicator bulb ..
Noticed loads more areas of track breaking away....
Gonna try to get a couple of other PCB's as I think these ones have possibly become too damaged now....
Regards Paul
PS.. my mum said if dad was still around he'd have made a new pcb....
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