Nightguard Night Light and Torch

Product Information

I traced the circuit and used a circuit simulator to try different resistor values but the results were inconclusive, partly because I was just guessing the effective inductance of the coil (particularly when the torch is in place). The other one is for my elderly mother when getting up through the night as it lights her doorway from her bedroom at floor level for safety which a bedside lamp doesn’t do I previously had one of these and decided to purchase more as I found it extremely helpful at the top of my stairs and the torch is excellent too. I bought one of these a few years back to use in my garage - immediate light before switching on the mains lights ! This smart and compact night light is easy to operate, and with has an in-built dusk to dawn sensor, can be used in any room in your house.

I am reluctant to try various values as the charger circuit is at potentially mains voltage and the value is probably quite critical due to significant load changes when the torch unit is removed and replaced. If you Google DLG 14430 you will see a good image of the battery, you will notice that it is made in Japan and not the great land to its North.

The pcb even has a transistor profile on it and they'd fitted opposite to the profile to suit themselves at manufacture. One is for a friend with grandchildren staying over regularly, extremely useful for through the night. I have traced out and attached the charger transmit circuit and included a couple of photos in the hope that someone will either have one of these and can have a look inside or otherwise be able to deduce the value required for the cooked R4.

The motion sensor picks them up as they open their bedroom door and illuminates the landing and almost to the bottom of the stairs.

This probably way too late but having had one of these passed to me by a neighbour I went through much of which has been written here but believe some of the advice given does have problems. Great idea and useful features, but for domestic use is probably too bright even on the lowest setting. Smarts is a family run retail business based in Cheshire, specialising in online sales of highly sought after brands. I needed the value of the burnt resistor which I found on another site but the damned thing still didn't work so I took another link to get here. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products.

It seems that the electro filter capacitor in the charger dropped its bundle causing the emitter resistor in the oscillator for the coil to overheat and burn out. It has an inductive mains charger cradle which holds the light unit and keeps its lithium battery charged until needed.My problem is that the resistor is now black and grey with no colour bands so I have no idea of its value. General disclaimer: All third party trademarks, images and copyrights on this page are used for the purpose of comparative advertising, criticism or review. When the parts arrived and were fitted it was dis-appointing to find the charger would still not work, but a check of the transistor with the component tester revealed that its pins were BEC instead of ECB like the original! the main capacitor fails 4uf at 450 volts is required and sometimes the mini fuse fails 1Amp and also the switching transistor which is a MJE13001 device can fail. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average.

I liked the product so much that I sought out a replacement battery, of trusted pedigree, the battery details are as follows Branded as Master Instruments Mod TB-144301C065.It is perfect at night time when some one might want to use the bathroom and makes this safe to do so and the light stays lit to give enough time to walk back to your bedroom. This amount includes seller specified domestic postage charges as well as applicable international postage, dispatch, and other fees. Read more about the condition New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). I did replace the resistor with a much higher rated one which got too hot to touch so I replaced the transistor which also got hot.