Electronics > Repair
HP 34401a DMM with leaking segments
Cyclotron:
--- Quote from: coromonadalix on October 27, 2024, 08:15:40 am ---the 34410a vfd clone(s) are available and work good, they became more expensive since covid, but a good investment
--- End quote ---
Do you have a source for the 34410a VFD clones? I have tried several places and a couple ebay sellers that show they have them say they don't when I contact them for pictures since they almost never picture the proper 34410a VFD.
coromonadalix:
hi for the 34410 vfd they camed from aliexpress, i bought them when they came out on the market at a 35$ usd each ... now .... ???
for a 34401a, it was from Ebay .. china ...
gamerpaddy:
i replaced the vfd on 3x 34401's now with these: 34$ aliexpress ones, https://de.aliexpress.com/item/1005006244217620.html
two HP, one Agilent. both front panel versions. also swapped the flex cable with a proper jst plug.
they all worked flawlessly
(one also got a new front panel sla printed https://www.thingiverse.com/thing:6716036
Before:
after:
mawyatt:
--- Quote from: gamerpaddy on October 31, 2024, 08:16:23 pm ---i replaced the vfd on 3x 34401's now with these: 34$ aliexpress ones, https://de.aliexpress.com/item/1005006244217620.html
two HP, one Agilent. both front panel versions. also swapped the flex cable with a proper jst plug.
they all worked flawlessly
(one also got a new front panel sla printed https://www.thingiverse.com/thing:6716036
Before:
(Attachment Link)
after:
(Attachment Link)
(Attachment Link)
(Attachment Link)
--- End quote ---
Nice work :-+
These displays work with the older HP34401A with the All Red Terminals?
Best
gamerpaddy:
For me it did, yes.
the front panel pcb were different
one contained a big dip NEC job
the other one two four sided ic's
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