This video came about due to some comments on a commercial repair service video I made recently. A subscriber was asking if a diode on the PCB was a crowbar circuit. Not everybody seemed to understand about this kind of circuit, just how to identify it as well as what it does, so I determined to make a shortish video.
All the complying with web links are associated where feasible.
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Test meters
KM601
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AN8008
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VC480C+.
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MESR-100 ESR METER.
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XC6013L CAPACITOR METER.
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TM-902C TEMPERATURE METER.
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NEEDLE PROBES.
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Sig Gen, Scopes & Analyzers.
MHS-5225A.
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CRYSTAL OSCILLATOR TESTER.
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DS1054Z SCOPE.
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FNIRSI-138 PRO SCOPE.
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DCA55.
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LCR-T4.
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BACKLIGHT TESTER.
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Soldering.
T12 with M8 9501.
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KSGER T12.
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T12 M8 9501 HANDLE.
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T12-BC3.
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T12- BC2.
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T12-BCM2.
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T12-D12.
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T12-D16.
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T12 KIT.
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QUICK 861DW.
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PROS’ KIT SS-331H.
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SS-331H REPLACEMENT GUN.
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KADA 853B PREHEATER.
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LY G720 BGA REWORK.
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MHP30 HOTPLATE.
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ESD-11 TWEEZERS.
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Magnifying.
MICROSCOPIC LENSE.
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BENCH MAGNIFIER.
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https://amzn.to/3ITRwFA.
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EEPROM Programming.
TL866 II+.
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CH341A.
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1.8 V ADAPTER.
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Consumables.
NC-559-ASM FLUX.
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DESOLDER BRAID.
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https://amzn.to/3RQ9gWM.
10 PACK SOLDER WICK (I make use of SIze 4 SW18045).
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