Electronics > Repair
ADVANTEST R9211B
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stfjohn:
I don't see any service manuals with wiring diagrams on eBay! Only operating manuals! These can be downloaded easily from the Internet!
stfjohn:
Sorry, I saw: in reality it is the R9211 not the R9211B: the power supply diagram already does not match: the 9211B uses switching power supplies: I would not want the rest to be different!
squadchannel:

--- Quote from: stfjohn on August 13, 2024, 09:43:19 am ---Sorry, I saw: in reality it is the R9211 not the R9211B: the power supply diagram already does not match: the 9211B uses switching power supplies: I would not want the rest to be different!

--- End quote ---

Really? In the second image, the title of the figure includes the letter "B".
changed? hmmm... :-//
stfjohn:
My device has n. 3 switching power supply "Nemic Lambda" !
m k:
Since power is different all other parts can be so also.
You should contact the seller and ask some more pictures, component layouts should be enough.

Seems that letter versions are from the beginning, but actual timing is still a bit hazy.
One brochure includes 4 versions and F is missing.
If F is newer, SMPS can come with it, and be fitted to all machines later, for what ever reason.
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