20 Most Recent Yamaha YST-M100 Computer Speakers Questions & Answers

  • Open internal fuse
  • Power supply failure
  • Defective power switch

Yamaha Audio... | Answered on Oct 13, 2018

The cross wire would cause a short in the main amp section. It's likely one or more output devices located on the big heatsink could have shorted. This would blow the mains fuse. Find the transformer and mains cable and follow the circuit forward. Any fuses, which maybe in a covered metal box will need to be replaced. But they will blow again if the device that has shorted is not replaced. If the device uses transistors often marked 2SC or just C then a number. They can be tested with an Ohm meter. A shorted transistor will show up as though you had touched the two test probes together, when put on the pins of the transistor.

Yamaha Audio... | Answered on Oct 11, 2018

The protection mode has activated.
Reset the protection mode as follows and see what happens.

Connect power cord to mains and wait 5 seconds or so. While holding down "info" and "tone control" buttons, press "main zone" power button briefly and release, but keep "info" and "tone control" buttons pressed for at least 3 more seconds. The unit should power up. Assuming the reason for the protection has passed or been fixed, the unit can now be turned off and then back on with the "main zone" power button to restore normal operation mode.
If the protector activates again, the fault is still present and the unit needs to be repaired, ideally by a Yamaha authorised repairer.
There are dangerous voltages present in high power amps and a lot of grunt in terms of stored energy - best left to trained technicians.

Yamaha Audio... | Answered on Oct 07, 2018


HP Spectre x360 laptop screen freezing

I bought a new HP Spectre x360 Convertible 13-ac0XX in 2017 and have had this issue for most of the time I have used this machine. I am running Windows 10. I have spent hours with the help desk to no avail. The solution was simple in the end. Update the device drivers. One way to do that is given below.

The Solution:
1. Type in 'Device Manager' (without the quotes) in the Search Box next to the Windows icon (mine is at the bottom left corner of the screen).
Press Enter.
Result: A list of devices should display

2. Select a device and double click or double tap it to show the drivers for that device.
Result: A list of drivers for that device should display

3. Select a driver and right click it, then select 'Update Driver'

Not sure which driver was the problem but a few of them did update.

on Oct 05, 2018 | Yamaha Audio Players & Recorders

This is the only thing I could find on it:
It was a input naming issue. Using the Yamaha app to change input names did not work. Had to use setup on the audio receiver remote.

Yamaha Audio... | Answered on Sep 27, 2018

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