REPAIRING AND NOT THROWING AWAY

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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Thursday 21 March 2019

BENQ EP5920 PROJECTOR - LAMP INFORMATION - REPLACEMENT - RESET

BENQ EP5920 PROJECTOR - LAMP INFORMATION - REPLACEMENT - RESET


TO KNOW THE LAMP HOUR
  • Press Menu/Exit and then press [ < / > ] until the SYSTEM SETUP: Advanced menu is highlighted.
  • Press [DN] to highlight Lamp Settings and press MODE/ENTER. The Lamp Settings page displays.
  • You will see the Equivalent lamp hour information displaying on the menu.
  • To leave the menu, press Menu/Exit.  You can also get the lamp hour information on the INFORMATION menu.
EXTENDING LAMP LIFE
  Using Economic mode reduces system noise and power consumption by 20%. If the Economic mode is selected, the light output will be reduced and result in darker projected pictures.
Setting the projector in Economic mode also extends the lamp operation life. 
To set Economic mode, go into the SYSTEM SETUP: Advanced > Lamp Settings > Lamp mode menu and press [ < / > ].

REPLACING LAMP
  Install a new lamp for optimal performance. If the projector is normally run with Economic selected you may continue to operate the projector until the next lamp warning appears.
  A new lamp should be fitted to avoid the inconvenience when the projector runs out of lamp time.
It is strongly recommended that you replace the lamp at this stage. The lamp is a consumable item. The lamp brightness diminishes with use. This is normal lamp behavior. You can replace the lamp whenever you notice that the brightness level has significantly diminished.
“XXXX” shown in the above messages are numbers that vary depending on different models,

REPLACING THE LAMP
  • Turn the power off and disconnect the projector from the wall socket. If the lamp is hot, avoid burns by waiting for approximately 45 minutes until the lamp has cooled.
  • Loosen the captive screw from the front.
  • Remove the lamp compartment cover as shown.
  • Loosen the three captive screws that secure the lamp.
  • Do not turn the power on with the lamp cover removed.

  • Lift the handle so that it stands up. Use the handle to slowly pull the lamp out of the projector.
*  Pulling it too quickly may cause the lamp to break and scatter broken glass in the projector.
*  Do not place the lamp in locations where water might splash on it, children can reach it, or near flammable materials.
*  Do not insert your hands into the projector after the lamp is removed. If you touch the optical components inside, it could cause color unevenness and distortion of the projected images.
  • Insert the new lamp into the lamp compartment and make sure it fits in the projector. Ensure the connectors are aligned. If you experience resistance, lift the lamp and start again.
  • Tighten the screws that secure the lamp.
*  Loose screw may cause a bad connection, which could result in malfunction.
*  Do not over tighten the screw.
  • Ensure the handle is fully laid flat and locked in place.
  • Replace the lamp compartment cover on the projector and tighten the captive screw.
RESETTING THE LAMP TIMER
  • After the startup logo, open the On-Screen Display (OSD) menu. Go to the SYSTEM SETUP:  Advanced > Lamp Settings menu.
  • Press MODE/ENTER. The Lamp Settings page displays.
  • Press to highlight Reset  lamp timer and press MODE/ENTER.
  • A warning message displays asking if you want to reset the lamp timer.
  • Highlight Reset and press MODE/ENTER. The lamp time will be reset to '0'.
** Do not reset if the lamp is not new or replaced as this could cause damage.
Posted By: FRANK at 04:20
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