Recent content by Stummery

  1. Stummery

    Start Up Fails When HDD Connected

    If you post your location, there may be someone near to you who is willing to help.
  2. Stummery

    Trialling 'RT3070' Dongles

    What channel is your WiFi on ? IIRC the Humax won't connect or show the network name SSID if the channel is set to 4 or below.
  3. Stummery

    Updating WiFi Drivers

    Agree with BH. To add my experience. I have 4 HDRs that have been using various cheap RT3070 dongles for many years without any problems. Maybe OS is not as good with hardware as they assume :laugh:
  4. Stummery

    Start Up Fails When HDD Connected

    It would be interesting to discover the outcome if someone who has a unit with this fault could just remove the 4.7uF capacitor and see what happens.
  5. Stummery

    Start Up Fails When HDD Connected

    Since my previous post I have, in the simulation, placed a variable resistor in parallel with the 4.7uF capacitor and it needs setting to a value of less than 400 ohms before it starts to reduce the output voltage, less than 350 ohms before the output voltage drops below 10 volts and 330 ohms...
  6. Stummery

    Start Up Fails When HDD Connected

    If anyone is interested and has any thoughts/comments I have copied the circuit in to Proteus simulation software. As expected without the 4.7uF capacitor the switching is more or less instantaneous. I include the oscilloscope traces for switch on and off of the HDD control, that is 5v and 0v...
  7. Stummery

    Start Up Fails When HDD Connected

    It is also confusing and doesn't help when threads go completely off topic - like this one has for the last 10 posts or so. :dunno:
  8. Stummery

    Would anyone recommend using an SSD in place of a standard hard drive for their Humax?

    Heres a thought. You are obviously not going to get your questions answered. So why don't you buy and fit one...... then you can answer all your questions and provide valuable feed back to the rest of the forum.
  9. Stummery

    Hummy audio control doesn't work as expected with new Samsung TV

    Tony/Gary from "Men Behaving Badly" coughing whilst saying another word applies here :rolling:
  10. Stummery

    RM-F04 remote not working

    My HDR Fox T2 has an ATmega 324_PA on the front panel. Checking for IR swamping is a simple process, just move the unit to another location or even make a shield with a cardboard box/tube.
  11. Stummery

    RM-F04 remote not working

    Correct, that is why the EDS-88A does a low voltage DC resistance test first. As you say capacitors and other components can fail low resistance/short circuit as well.
  12. Stummery

    RM-F04 remote not working

    I use an EDS-88A CapAnalyzer (from USA) that is designed for in-circuit capacitor ESR testing and uses less than 50 millivolts. As you can see a 47uF ESR at 8 ohms is well into the red part of the chart! So I shall be replacing mine. Edit: Measuring my capacitor value out of circuit reads 26uF...
  13. Stummery

    RM-F04 remote not working

    You may be correct. I have just checked the circuit, the sensor is powered from the 5v supply via a 100 ohm resistor and decoupled by a 47uF capacitor, if the capacitance value reduced it could cause these symptoms. The fact that aod said "Thinking about it, the remote does seem to have been...
  14. Stummery

    RM-F04 remote not working

    In that case you could try fitting a new sensor. They are readily available from Ebay (from £1.30 including post UK seller). You need a VS1838/TL1838 this has the correct pin out.
  15. Stummery

    What To Do with a Dead or Unwanted HDR-FOX, HD-FOX, or DTR-T1000/1010

    @BucksLad Tried to DM but I think you have it turned off. If you have no other takers I could use it for spares - but it would need to be posted as I am in Devon. As long as someone is at home I believe Hermes will collect - or it can be dropped off at lots of stores/places. I would be happy to...
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