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I wish there was a pn on the diode but the only thing I could find was one yellow stripe on the cathode lead itself. The part number I found came off of the schematic and parts list for a Hung Chang OS-620 scope, which is for all intents and purposes identical to the Tenma. It's D6 and D18...
Hello. I have a Tenma 72-320 scope I bought with no trace, got a trace back but the trace is spotty. One of the "Y16GA" diodes is cracked. I contacted Hitachi and they said there was a Y10GA but not a Y16GA. The datasheets they sent indicate that Y10GA is 6 KV, and Y16LA is 10 KV. Forward...
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