HW- 8, no output

[BMW]

Try a 1N4753. It's a 1W 36V zener. It looks like a 1W part on mine so this
one ought to work. It's available from Mouser for 10 cents (plus about $6
shipping, so you may wanna buy some other stuff!)

Brian, W0DZ

-----Original Message-----
From: Heathkit Owners and Collectors List
[mailto:HEATH at LISTSERV.TEMPE.GOV]On Behalf Of Tom Buchanan
Sent: Wednesday, September 21, 2005 11:35 PM
To: HEATH at LISTSERV.TEMPE.GOV
Subject: [HEATH-TEMPE] HW- 8, no output


Hi,

I just recently got a HW-8 to restore at a hamfest.  It has zero output.  It
appears to have been well built, but appears high voltages have been on the
board.  The zener diode was cracked and it has the 4 watt mod for the final
using a NTE 488.  I have yet to find a source for a 36v zener diode (VR-36 &
Heath part #56-55).  I will also be replacing the final transistor.  Anyone
on the list know of a source for this zener diode or a suitable replacement?

Thanks & 73,

Tom KG4KGY

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