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!

©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Thursday 14 March 2019

YAMAHA S-2700 - SMPS [POWER SUPPLY] - SCHEMATIC - DVD AUDIO/VIDEO SA-CD PLAYER

YAMAHA S-2700 - SMPS [POWER SUPPLY] - SCHEMATIC - DVD AUDIO/VIDEO SA-CD PLAYER


SMPS SCHEMATIC


CLICK ON THE SCHEMATIC TO ZOOM IN
TRADE MODE
In the TRADE mode, the tray open/close function is stopped temporarily.
Setting TRADE mode
  • Connect the power cable of the main unit to the AC outlet.
  • Press the “POWER ON/OFF” key of the main unit and press the “STANDBY/ON” key of the main unit or remote controller to turn on the power.
  • Press the “OPEN/CLOSE” key of the main unit to open the tray.
  • Place a disc in the tray and open the “OPEN/CLOSE” key of the main unit to close the tray.
  • While pressing the “SKIP+/SEARCH+” key of the main unit and press the “STOP” key for 3 seconds or longer.
  • When the TRADE mode is set, [TRADE ON] is displayed which then returns to the normal display.
Note: Even after the TRADE mode is set, all functions remain the same as normal except the “OPEN/ CLOSE” key.
Press the “OPEN/CLOSE” key, and [TRAY LOCKED] is displayed
Canceling TRADE mode
  • With a disc set in the tray, while pressing the “SKIP+/SEARCH+” key of the main unit and press the “STOP” key for 3 seconds or longer.
  • When the TRADE mode is cancelled, [TRADE OFF] is displayed which then returns to the normal display.
HDMI Reset
  • When no picture is displayed even though the main unit and TV monitor are connected with the HDMI cable
  • Press the “STOP” key of the main unit or on the remote control twice.
  • While pressing the “STOP” key of the main unit, press the “PLAY” key for 3 seconds or longer. [HDMI RESE] is displayed of the main unit, which then returns to the normal display.
VIDEO Reset
When no picture is displayed or picture is displayed but not properly even though the main unit and TV monitor are connected with the video pin cable or the like
  • Press the “EJECT” key to open the tray.
  • Press the “CLEAR” key on the remote control.
  • Press the “2”, “5”, “8”and “0”keys on the remote control.
  • Press the “AUDIO” key on the remote control.