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Toroid transformer help
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Old 3rd November 2020, 01:11 PM   #1
glennkaspar is offline glennkaspar
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Default Toroid transformer help

Need help with transformer that was in a Arcam AVR 350 240v model
with the wiring as determining what's what as all wires are black with little color tags except the green earth wire.
Its Noratel UK
P/N Tl- 053160 AU
A wiring diagram would be good if anyone has one.
Photos below.
Thanks
Glenn Kaspar
glennkaspar@gmail.com
gvkaspar@bigpond.com
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Old 1st December 2020, 04:49 AM   #2
Chuck Gutsup is offline Chuck Gutsup  England
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Have the coloured tabs got any markings?
Or get in touch with Noratel.
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Old 3rd December 2020, 04:07 PM   #3
duncan2 is offline duncan2  United Kingdom
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Location: Scotland.
Noratel is an Indian company (Kerala ) obviously don't like the local inhabitants repairing their transformers .
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Old 3rd December 2020, 06:45 PM   #4
astouffer is offline astouffer  United States
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Taking a guess that the ferrite filter is on the primary. If you have an ohm meter you could label the wires and sketch up a diagram. You won’t know the phases though.
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Old 3rd December 2020, 06:59 PM   #5
peranders is offline peranders  Sweden
Electrons are yellow and more is better!
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Toroid transformer help
Start to identify all windings with a ohm meter.
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Old 3rd December 2020, 07:41 PM   #6
JMFahey is offline JMFahey  Argentina
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Schematic:
ARCAM AVR350 SCH Service Manual download, schematics, eeprom, repair info for electronics experts

Download it, upload the power supply page here, and it will be much easier to answer your doubts.
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Design/make/service musical stuff in Buenos Aires, Argentina, since 1969.
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