EEVblog Electronics Community Forum
Products => Test Equipment => Topic started by: janbo on November 28, 2016, 05:02:57 pm
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Looking for a schematic. Main board has parts that are gone.
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Topward seems to keep their SMs and schematics Top-secret.
I have a schematic for the 6603A if that's worth anything to you. It is a 2MB pdf file... I'll try to attach it.
I have a 6306D and most of the power and control circuits (but not the display) are identical to what is in that schematic.
(Nope... even as a zipfile it is too large to upload.)
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Do you think if one would email to my email it would work?
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I have a schematic for the 6603A if that's worth anything to you. It is a 2MB pdf file... I'll try to attach it.
I have a 6306D and most of the power and control circuits (but not the display) are identical to what is in that schematic.
Upload it to k04bb, or split it into pieces.
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Can you try to send to.
mail@lcheapo.net
Thanks
Ron
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Not much luck in getting a schematic for this so was thinking if I list the part numbers that are on the board I would be able to repair. I have 4-5 resistors and 4 transistors and one cap that are burned up. If someone could supply the value for these parts would be able to repair.
Best Regards
Ron
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Can you try to send to.
mail@lcheapo.net
Thanks
Ron
OK sent, check your mail
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PM Sent.
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Thanks to all that sent schematics for my power supply but unfortunately none of them are close enough to repair the power supply.
Any ideas?
Best Regards
Ron
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Here's just the schematic page for my TPS4000. The complete file is to large to attach here so let me know if its any good to you
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Circuit for Topward 3303D attatched.
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I have come to the conclusion this is the most keep secret Topward has. I have called sent emails to no avail so I have taken a picture of the board and mark the bad parts. Hoping someone has a board and can tell me the value and part numbers of the transistors and resistors.
Best Regards
Ron
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6303d
https://drive.google.com/open?id=1Np-0bLnHynZsoiowED6gV_z_HTHF273h
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I see a rifa cap ?? wow the psu busted severly but it is repairable ..
thks for the schematics, my friend has one, ill tell him to change the cap right away.
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Hi, I have one of these Topward PSU's with the master circuit amp control clamped down not allowing the current limit to work. The op amp has been changed so now think it is in the control circuit for the amp. As above, following the circuitry is proving to be a mission. Any chance you could share your redrawn circuit again please? I cannot access page two where it is posted. Thanks and regards
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I have this for Topward 6303D schematics
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Great thank you.