REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Friday 1 March 2019

YAMAHA YST-M40 M45D POWERED SPEAKER - HOW TO INSTALL DEVICE DRIVERS AND VERIFY

YST-M40 M45D POWERED SPEAKER - How to install device drivers and verify

Output Power ................................. 12W + 12W (1kHz, 4Ω)
Input Sensitivity ....................... 200mV (1kHz, 4Ω at 12W)
Input Impedance ........................................................... 20kΩ
Frequency Response .................................. 70Hz to 20kHz
Speaker Unit ...... 8cm (3.5") full-range cone, magnetic shielding
Right channel ...... 95 x 248 x 203 mm (3.74" x 9.76" x 7.99")
Left channel ......... 95 x 248 x 199 mm (3.74" x 9.76" x 7.83")
Weight
Right channel ......................................... 1.1 kg (2.43 lbs.)
Left channel ............................................ 0.8 kg (1.76 lbs.)
Finish 
YST-M40W/YST-M45DW: Computer white
YST-M40B/YST-M45DB: Black
AC Adaptor (DC15V, 1.2A) x 1
Installing the device drivers
• Make sure that no other CD-ROM is loaded in the CD-ROM drive and that you quit all application programs.
• Have your Windows 98 CD-ROM ready when you install the Yamaha YST-M45D speaker device drivers. You may need it in some cases.
Connect the YST-M45D speakers as shown in the diagram on page 2 of Owner's Manual and connect the AC adaptor to the AC receptacle. At this time, do not connect the YST-M45D to the computer using the USB cable.
2. Turn on your PC and, if it’s not running already, start Windows 98.
3. Insert the YAMAHA YST-M45D CD-ROM into the CDROM or DVD-ROM drive.  If the Windows 98 Autorun feature is turned on, the installation start up screen appears automatically.
4. Continue with the installation as prompted. If the Windows 98 Autorun feature is not turned on, you must start the installation manually, as explained below.
5. Double-click the My Computer icon.  The My Computer window opens.
6. Double-click the CD-ROM icon.  The installation start up screen appears.
7. Continue with the installation as prompted.
8. After the installation is completed, connect the YSTM45D to the computer using the USB cable.
Note: If the letter an exclamation point (!), or a question mark (?) appears to the left of the USB device name, check the following:
• Make sure that you have installed the drivers from the included CD-ROM.
• Check to see if the USB cable is connected securely.
• The AC adaptor plug is connected to the AC receptacle.  If these actions do not resolve the situation, refer to your Windows documentation or ask your computer dealer to enable the USB port.
Re-installing the Device Driver
If you connect the PC and the YST-M45D via the USB ports using the USB cable before you install the included application software, the YST-M45D device driver will not recognize the devices correctly, and will display the following items in the "System Properties" window:
• USB Audio Device in the list of "Sound, video and game controllers"
• USB Composite Device in the list of "Universal serial bus controller"
To recognize the devices correctly, re-install the driver following the steps below:
1. Make sure the YST-M45D is connected to the PC via the USB cable.
2. Click the "+" symbol next to "Universal serial bus controller" to display the list.
3. Make sure that "USB Composite Device" appears in the list and click to select it.
Re-installing the Device Driver
If you connect the PC and the YST-M45D via the USB
ports using the USB cable before you install the included
application software, the YST-M45D device driver will not
recognize the devices correctly, and will display the
following items in the "System Properties" window:
• USB Audio Device in the list of "Sound, video and game controllers"
• USB Composite Device in the list of "Universal serial bus controller"
To recognize the devices correctly, re-install the driver following the steps below:
1. Make sure the YST-M45D is connected to the PC via the USB cable.
2. Click the "+" symbol next to "Universal serial bus controller" to display the list.
3. Make sure that "USB Composite Device" appears in the list and click to select it.
4. Click [Remove].  The dialog appears. Click [OK].  "USB Audio Device" will be deleted.
5. Make sure that "USB Composite Device" has been deleted from the list of "Universal serial bus controller."
6. Disconnect the USB cable.
7. Insert the included CD-ROM into the CD-ROM drive and re-install the device driver.
8. Check the device driver. Refer to "Verifying the installation of device drivers"
Ensuring the output of audio data from the USB port
Follow the steps below to ensure that the USB port on your computer is ready to output CD audio.
1. Select "Start," then select "Settings-->Control Panel" from the menu.
2. Double-click "Multimedia" icon in the Control Panel to display the "Multimedia Properties" window, and under "Playback" in the "Audio" tab, make sure that "YAMAHA YST-M45D USB Audio" is selected as the "Preferred device."
(Depending on the computer, if multiple USB audio devices are connected, the number of devices may appears in parentheses.)
3. Select the "CD Music" tab, make sure that the text below the "CD Music Volume" is Active, and check "Enable digital CD audio for this CD-ROM device."  If the text below "CD Music Volume" appears in gray, you cannot check the "Enable digital CD audio for this CD-ROM device" box. In this case, your CD-ROM drive may not be supported. Consult your computer manufacturer or dealer.
Now you are ready to enjoy your YST-M45D Speaker System