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Search: Posts Made By: japlytic
Forum: General Computer & Tech Discussion 04-09-2022, 12:46 AM
Replies: 6
Views: 404
Posted By japlytic
TPM 2.0 is not always standard issue

A Gigabyte Z690 motherboard I have recently purchased had a connector for the TPM (Trusted Platform Module) but was not included as standard in the box even though Windows 11 (which requires it) has...
Forum: General Capacitor Questions & Issues 11-15-2021, 12:28 AM
Replies: 2
Views: 626
Posted By japlytic
Re: help to find Nippon Chemi-Con datasheet

According to the information you provided, this is a general purpose unit.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-04-2021, 04:03 AM
Replies: 5
Views: 2,112
Posted By japlytic
Re: Test equipment and 1PPS inputs

Although not a piece of test equipment (but a piece of digital communications equipment), a Tandberg MT5600 DVB-T modulator can have the internal reference oscillator disciplined by a 1PPS input.
Forum: Troubleshooting Power Supplies and Power Supply Design 08-29-2021, 06:07 AM
Replies: 0
Views: 418
Posted By japlytic
HEP Group LBVC9BI UNI LED driver

This unit had approximately 50K running hours before it failed; upon opening, a bulging (and heat stressed) TK UTWHM series 450V 10uF unit caused the TOP278 IC to blow its top off.
Other...
Forum: General Electronics Technical Discussion 07-14-2021, 10:09 PM
Replies: 1
Views: 1,326
Posted By japlytic
Talking Non-standard use of HDMI connectors

Two examples of such I have seen were on the logic analyser (SBUS) connector on a Siglent SDS1104X-E and the analog AV input on an AVerMedia H727.
Do you know of any other examples?
Forum: Troubleshooting Power Supplies and Power Supply Design 05-13-2021, 11:47 PM
Replies: 3,195
Views: 1,040,198
Posted By japlytic
Re: Power supply build quality pictorial. part 2

Cooler Master V1200 (80 Plus Platinum certified)

Main board:
330uF 420V x2 + 390uF 420V primary filter (all Nichicon GG)
330uF 16V x6 Nichicon FPCAP before all +12V output inductors with 1000uF...
Forum: Troubleshooting TVs and Video Sources 05-11-2021, 12:38 AM
Replies: 0
Views: 307
Posted By japlytic
Pioneer VSX-932 picky with non-CEA video formats

When I was trying to route a HTPC through a Pioneer VSX-932 AV receiver via HDMI to a TV via HDMI (so that I can get surround sound from the HTPC which supports it), the AV receiver (which overlays...
Forum: Troubleshooting Game Consoles & Other Weird Devices 03-15-2021, 03:14 AM
Replies: 4
Views: 870
Posted By japlytic
Re: Generic in-dash navigation system AAOGP300194/365125

This was enough info for me to power up this unit - the boot screen is "Opal" and the home screen has the Volkswagen logo; the navigation software is NaviOne with the OS being PRIMA-v1.53 (the unit...
Forum: Troubleshooting Game Consoles & Other Weird Devices 03-13-2021, 07:39 PM
Replies: 4
Views: 870
Posted By japlytic
Question Generic in-dash navigation system AAOGP300194/365125

This unit runs on Windows Embedded CE 6.0 Core, and I am looking for pinouts of each connector.
Forum: General Computer & Tech Discussion 01-18-2021, 09:27 PM
Replies: 0
Views: 858
Posted By japlytic
Talking Laser printer firing rates

Some time ago, I came across the Integrated Circuit Systems June 1995 Data Book and found something interesting, which was the ICS1574 User Programmable Laser Engine Pixel Clock Generator which can...
Forum: General Computer & Tech Discussion 01-05-2021, 06:40 PM
Replies: 7
Views: 1,630
Posted By japlytic
Re: Psuedo-4K LCD panels

Here is a test pattern to tell if a 4K panel has actual 4K resolution:
Forum: Troubleshooting Power Supplies and Power Supply Design 01-02-2021, 06:36 PM
Replies: 1
Views: 541
Posted By japlytic
Mains inverter build quality pictorial

Calibre 240V/1000W Pure Sinewave Inverter (12V input)

On each of the output transformers at the primary side:
2x HRF3205 MOSFETs on each side of the centre tap
2200uF 16V x2
30A fuse x2

On...
Forum: General Computer & Tech Discussion 12-31-2020, 06:15 PM
Replies: 7
Views: 1,630
Posted By japlytic
Angry Psuedo-4K LCD panels

I have come across (and was burned by at least one) so called "4K" (claiming 3840 * 2160) LCD panels which have an actual resolution of Full HD (1920 * 1080) meaning that every second pixel in either...
Forum: Troubleshooting Game Consoles & Other Weird Devices 12-07-2020, 12:19 AM
Replies: 22
Views: 2,112
Posted By japlytic
Re: Nintendo Wii power supply

With regard to the particular brand of capacitor, is this a low cost compatible unit?
Forum: General Electronics Technical Discussion 11-29-2020, 01:14 AM
Replies: 3
Views: 908
Posted By japlytic
Re: Repurposing an IPAD Air 2 any ideas feedback wanted not wanting to recycle

For some time, notebooks/tablets/all-in-one PCs have used LCD panels with an Embedded DisplayPort (eDP) interface which typically has a standardized pinout except for manufacturer use pins which are...
Forum: General Computer & Tech Discussion 11-16-2020, 07:26 PM
Replies: 3
Views: 1,044
Posted By japlytic
Lightbulb .dlna domain names

I did a search for the .dlna domain and discovered that it is not in current use, but I think such a domain should be able to be used on local DLNA servers with an easy to use name you enter into...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-07-2020, 06:48 PM
Replies: 2
Views: 773
Posted By japlytic
Talking Mains inverters with 55 Hz output frequency

On a generic box for a mains inverter I purchased, it had check boxes for the usual 50/60 Hz with an additional check box for 55 Hz - why would that particular frequency be offered at all?
Forum: Troubleshooting Power Supplies and Power Supply Design 11-02-2020, 11:23 PM
Replies: 3
Views: 1,031
Posted By japlytic
What do you repurpose server PSUs for?

So far, I have repurposed server PSUs (all hot swap) for the following:

Portable multi-purpose test set with dual channel variable PSU
Variable frequency/voltage electrically isolated pure...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-31-2020, 04:51 AM
Replies: 0
Views: 663
Posted By japlytic
MOSFET ratings for UPS inverter applications

I did some analysis of the ratings of the output MOSFETs in UPS inverters with a conventional output transformer (modified and pure sinewave, centre tapped and H bridge, 12V/24V/48V) and I have come...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 10-01-2020, 11:30 PM
Replies: 17
Views: 2,204
Posted By japlytic
Re: Soldering a DVI connector on a VGA-only motherboard.

Even though there may be traces on the DVI portion of the connector and even if the chipset supports it, the DVI interface on the controller may have been disabled under customization of the BIOS.
Forum: General Computer & Tech Discussion 08-30-2020, 12:50 AM
Replies: 36
Views: 3,444
Posted By japlytic
Re: Intel introduces ATX12VO spec eliminating 3.3 and 5v

I was expecting something like this would happen - we could be using server PSUs which typically have a single high output +12V rail (in a Delta DPS-1200 excluding protrustions, it has a power...
Forum: General Capacitor Questions & Issues 08-18-2020, 12:11 AM
Replies: 6
Views: 2,492
Posted By japlytic
Re: Looking for the datasheet of this 5.6uF Elna capacitor

Given the size, it has a high ripple current rating for its capacitance and is also for horizontal deflection coupling.
Forum: Troubleshooting Power Supplies and Power Supply Design 08-10-2020, 03:26 AM
Replies: 14
Views: 1,628
Posted By japlytic
Re: Lenovo 135W charger

In one AC adaptor I have handled, the X-class EMI filter capacitor has failed short circuit since the density of the capacitor was a bit too high for a particular manufacturing technique.
Forum: General Electronics Technical Discussion 07-13-2020, 06:48 AM
Replies: 0
Views: 999
Posted By japlytic
Foxconn GS1240*-1011P-** connector cross-reference

I am looking for a connector model number (cable to board, 40 pin, 0.5mm pitch) equivalent to Foxconn GS12401-1011P-7H or GS1240*-1011P-** which has been used for connection to an Embedded...
Forum: General Computer & Tech Discussion 07-13-2020, 06:46 AM
Replies: 0
Views: 1,109
Posted By japlytic
Extending the right to repair

And it's the right to repurpose.
Here is a good example why: https://hackaday.com/2019/07/18/put-those-ipad-displays-to-work-with-this-edp-adapter/

In the aforementioned link, it shows that an...
Showing results 1 to 25 of 500

 
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