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  1. Martaine2005

    Resistances of different lamps

    Yes, but dimly. Because V=IR. Martin
  2. Martaine2005

    Car power inverter limits

    I doubt if 150w inverter is sufficient. Specs for ps4 are: Standby mode 10 W Standby mode (with download) 70 W Idle on menu 89–91 W Blu-ray 93–96 W Netflix 93 W Game installation 108–116 W Gaming (Resogun) 130–139 W Gaming (Killzone) 144–151 W That's without a monitor. Maybe another 30/50...
  3. Martaine2005

    What language is this Receiver Displaying?

    Hmm, definitely not playing ball. If you can, open it up and check all the cables to the display and others while your'e in there. (unplugged). Also, you might see a small battery on the main board. If there is, take it out and power the unit up. How are you with fault finding? I can link to...
  4. Martaine2005

    What language is this Receiver Displaying?

    Right Rick, lets first check if we can change the presets. Manually tune it to a FM station. Select A/B/C/D/E choose A, Press Memory button. Memory flashes on display. Press presets, 1 to 8 and choose 1. Now the display should show "A1 FM '89.0' Mhz. Or whatever station you chose. Hope this...
  5. Martaine2005

    What language is this Receiver Displaying?

    OK, I will do it from the manual
  6. Martaine2005

    Help identifying this device and tips to hook it back up

    Hi, That sure is a power supply. The pcb has the voltages on, so connecting it up shouldn't be a problem. NOTE, top left, straighten Q4 to Q8 and make sure there is no shorts there. Martin
  7. Martaine2005

    What language is this Receiver Displaying?

    Yep, it opened for me. Just scroll down a little. Martin
  8. Martaine2005

    What language is this Receiver Displaying?

    OK, I will talk you through it. Actually, try to open this page here Martin
  9. Martaine2005

    What language is this Receiver Displaying?

    Type into Google, Yamaha RX-V795a manual pdf. Enter Yamaha's site and choose your country, then enter RX-V795a Your manual will be displayed. Page 40 onwards for presets and 60 onwards for changing/editing or returning unit to factory condition. Martin
  10. Martaine2005

    What language is this Receiver Displaying?

    Have you tried a factory reset? Martin
  11. Martaine2005

    What language is this Receiver Displaying?

    Here is the manual..Manual Martin
  12. Martaine2005

    What language is this Receiver Displaying?

    Hi Rick, The manual is readily available online. It should explain how to change the pre-set inputs. Martin
  13. Martaine2005

    A Quick LED Question...

    Hi Hobbyelec, There is a great resource section for leds. Have a good read here Martin
  14. Martaine2005

    Max temp for caps

    A little spit and polish, be good as new.:) Martin
  15. Martaine2005

    Max temp for caps

    Sorry Dave, I could't find the the link. This is another contender for the Mortuary
  16. Martaine2005

    Electric Calculations

    totally agree with you. I wasn't commenting on leds, just a crude way to drop .6v 0r .7v . From 5v to 3.7v. No leds were harmed in this conversation. Martin
  17. Martaine2005

    Electric Calculations

    Agreed, and the amount of leds too. Martin
  18. Martaine2005

    Electric Calculations

    Hi mr oddly, It could crudely be done by putting two diodes in series. .6v Vf on each.
  19. Martaine2005

    voice recorder battery corrosion

    LIke Gryd3 said, grab it by the horns and open it up. Take photos of each step. Draw a reference on paper for screw locations and sizes. Don't force anything, these things are quite fragile. By methodically checking around the recorder, you will eventually find the hidden screws. What is the...
  20. Martaine2005

    Yamaha Home Theater Receivers woes

    My initial checks would be the for spillage. Some sugary spillages are dry when cold and liquify as they heat up causing a short. But more than likely a component is overheating and the circuit shuts down. You can spray some 'freezer' on the transistors and try and see what is heating up...
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