Question about BenQ PB6110 Multimedia Projector

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Power supply busted.

Power supply of Benq PB 6110 was damage, because of high power in the grid. I am very much glad if you can send me the circuit diagram of unit PB 6110.
THANK YOU SO MUCH!

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I did some search for service manual, which will most probably have al circuit diagrams and maintenance information for the BENQ PB 6110 Air Conditioner and found it on this site for $24.90. i used their search and went all the way to check that its available for imediate download, but didnt download it :) here's the link for the site:

https://www.2instructions.com

Posted on Jan 04, 2009

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The spare circuit diagram is not available, and since Benq is out of market, the service manual will aso be difficult to find.

Check all capacitors, looking for a bulged one, that is the most common cause for faults on PSU unit.

Posted on Jan 04, 2009

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1 Answer

It made a loud popping noise and stopped working. No standby lights. no fan, I am assuming it is a power supply problem. No burnt out components visible.


YES , IT LOOKS WITH PWER SUPPLY .please send youe email we can send you. our email .mrtelcoms@gmail.com or how to upload on this site .
mahesh

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My CDJ 850 won't turn on.


If the standby light blink then it indicates a fault relevant to the processor.If the set is fully dead then the SMPS power supply can be faulty.

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

Since there is a possible short or leak in the circuit the output driver section can take in huge current to trip the SMPS or from advice from the micro processor. Remove the power plugs and make sure that high voltage sections are discharged of the potential stored in capacitors. Look for visible signs of leak or of busted capacitors. Look for bulged capacitors or damaged components- burnt or busted. Use a multimeter to check the continuity or shorting in components, if so detach from circuit and test . If the voltage builds up and the set power ON and then shuts up then the suspected section must be checked in detail.

The processor must have the +5 voltage to the function properly , the +B and secondary voltages also must be checked to infer the fault. Trace with caution and in running through the signal path , circuit trail.

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Hello, I have a 28" BenQ


Good day!
The problem of your TV is in the back light.
Follow this procedure of troubleshooting to your problem.
  1. Open the back cover,remove all screws at the back.
  2. Plug-in the power cord then power it ON.
  3. Check the input supply of the inverter board.It should have 24vdc.
  4. Then if you have input voltage of the inverter board.Check the output of the inverter board it should have 500vdc so be careful its high voltage.
  5. When your inverter had a output of 500vdc.It could be the cold cathode lamp is busted replace it.
  6. If the inverter board have no output of 500vdc but it have a input of 24vdc.Replace the inverter board.
Try to order here:http://www.electronica-usa.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=EU&Product_Code=INV01001&Category_Code=

Thank you and good luck.
vk89144102.jpg

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Ok. It still might be the bulb, if not make sure it is plugged in to a working outlet. Also, if that doesn't work unplug, wait 1 hour, push the power button (with it unplugged) then plug it back in. If nothing fixes your problem, it is the power supply.

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