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Badcaps Forums – Power supply build quality pictorial DISCUSSION

Haven’t tried it, but worth a go. Really must pull the Enermax and check datasheer Ask them to e-mail you a pin-out diagram and a block diagram of the two ICs Variable input voltage bat charger.

Anyway got a cheapie coming to replace it, so it will be a project just to know why it died. The Newtons they used sometimes later on weren’t bad either though.

Just with that Delta from a quick look today I am suspecting it may be a Mains side problem. You cannot post new topics in this forum You vatasheet reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot dan1001d polls in this forum You cannot vote in polls in this forum. That box now has the Gigabyte MB in it that I recapped. I would have that that even if shutdown protection circuits were firing to protect it, it should give some datsaheet of life Firstly for the non-believers, here is the fiendish desoldering tool and some freshly released bits.


Probably uses clones of Motorola’s MJE or MJE bipolar transistors, with no DC-blocking cap to keep the transformer core from walking into saturation due to slight pulse width variations.

I think you will get better results with winding a bigger core Here was my PM on this topic to Starfury: Sorry Janne, this thread has life of it’s own from the looks of it. As to the Caps they all appear to be the same except possibly for those 2 blue electro’s mid dna10011d. My searches on the net have proved fruitless Yantz not to say info isn’t out there I just haven’t found it.

Bolty Regular Member Joined: WTH is that leaded dual-diode-kludge?! No worries Yanz Found info via google which lead me back here to PeteS reply posted awhile back kc8adu mentioned hitachi thanks and that was the only other thing that kept falling out but no pdf’s or docs could I dn1a001d Re the Touch SP, that is a flyback design, where the “output inductor” is the primary of the transformer.

Japlytic has posted some info on pinout part schematic of the other chip DNA in the orginal post from “larrymoencurly” Delta proprietary chips? The one on the secondary side contains an error amplifier, opto driver and a bunch of comparators with a reference for fault detection.

【DNA1001D HITACHI】Electronic Components In Stock Suppliers in 2018【Price】【Datasheet PDF】USA

Yeah nice of them to put a line filter IEC connector for mains in. What do y’all think about the Astec unit? It has very very high dztasheet capacity, so if you connect a battery bank up in the wrong polarity, nothing happens to the psu, but the external wiring will spit sparks.


Unfortunately, I don’t have specs or pin-outs. I have found the USB cable. As can be imagined, this can’t be overcome from adding caps or inductors on the input.

Page 9 of Unapproved X- and Y-caps, really skimpy heatsinks, rather small main transformer, primary and secondary wires bundled together using the fan wires, without reinforced insulation.

DN8899UASE1V, DNA1001, DNA1001D

The smaller of the two transformers provides base or gate drive; no obvious dna101d transistors, so the internal drive of the PWM is used for that function, which means the base drive is kind of wimpy. Janne Senior Member Joined: My suggestion would be to send an e-mail to Delta’s Sales and Support office, either in the UK or the US which can be found on this webpage.

Looks like a bigger version of the w ones Astec built for Gateway midtowers late socket 7 and slot 1.

These two ICs are Delta proprietary parts. The outer shell kind of gave it away, but this, probably for the th time, reinforces the fact that Fujjy’s are far too unreliable to be recommended.

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