| Electronics > Repair |
| Hioki 3532-50 LCR Repair (One major problem solved, SM still wanted) |
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| Martin72:
--- Quote ---It isn't offered as a replacement. The seller suggested this LCD as a replacement based off the dimensions and the generic model number of the stock panel. It's not advertised as being specifically used with the Hioki. --- End quote --- ;) What was it advertised as, how did you find out about it? Plus: Powertip did not explicitly advertise the PG320240 as a display for the Hioki only. Hioki only used it for its own purposes without changing anything. |
| KungFuJosh:
--- Quote from: Martin72 on August 28, 2024, 10:12:06 pm ---What was it advertised as, how did you find out about it? Plus: Powertip did not explicitly advertise the PG320240 as a display for the Hioki only. Hioki only used it for its own purposes without changing anything. --- End quote --- I googled the part numbers, and similar stuff came up. Then I messaged the seller to see whether the LCD I found was compatible or not. It wasn't, so he suggested this one instead. I couldn't tell you for sure why any of it is the way it is. Do we know for sure that Hioki didn't have Powertip customize any parts of the panels? ETA: I should add, I think the sellers level of understanding when suggesting the replacement was based on the physical measurements more than anything else. 😉 |
| Martin72:
--- Quote ---Do we know for sure that Hioki didn't have Powertip customize any parts of the panels? --- End quote --- I would almost blindly say that this is not the case, because what is the current problem? The contrast, or.... And that is a matter for the display. |
| KungFuJosh:
It's not just contrast. It's: --- Quote from: coromonadalix on August 26, 2024, 10:48:34 pm ---all theses resistors things must play with duty cycle, timings etc ... it's a matter of finding the row and column drivers data sheet if they exists and try to figure out ... --- End quote --- Anyway, it's in a pretty good place now. Easy to read and stable. |
| Martin72:
--- Quote ---It's not just contrast. It's: --- End quote --- If we had a circuit diagram, we would really know. That is one point. The other is that, in contrast to today's displays, they were still rather “raw” over 20 years ago. The graphics/character generation was on board, in this case 4 bits were “pushed over” to the display in parallel. |
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