Question about Panasonic PT-L785U Multimedia Projector

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PT-L785U Projector I have a Panasonic PT-L785U projector that the lamp light started to flash we purchased another lamp but that lamp will not come on and the lamp it self does not come on.

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If the lamp warning light is flashing, this indicates a defective ballast (lamp power module). if the lamp warning light is lit steadily, then the lamp would be at fault.

Posted on Oct 31, 2008

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Projector posted error, "replace bulb" Projector


Your projector need replacement of lamp unit if you don't want yet you just reset the lamp counter

procedure:
Power on projector
press MENU key
Press right arrow key to select Option
Press down arrow key to select lamp Hours
Press and hold down the ENTER key 5 second (lamp hour counter show red)
press POWER button to turns off the projector
now you power on your projector and no error displaed and no itself turn off after 15 minutes

Apr 13, 2011 | Panasonic PT-L785U Multimedia Projector

1 Answer

The projector would not turn on and had a flashing red light for the lamp. Knowing it was an older projector when we rented the building I purchased a new bulb for this projector. When I put the new bulb...


PROBLEM :-The power supply of the projector is faulty there is a transistor witch is switch 15 volts for the lamp drive board.

SOLUTION: Remove the upper cover with 6 screws back side of the projector.
remove main board and lamp cover with 7 screws.(show in the picture)
remove upper cover of the power supply and lamp drive unit with 3 screws.
remove power supply unit with 4 screws and 3 connectors and put face down on the table.
now you find the transistor no Q107 and replace with the transistor no 2SB710 is and surface mounted compunent(show in the picture)
fix it all as you open.
power ON the projector and enjoy

(doing very carefully This is a technical job)


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Feb 05, 2011 | Panasonic PT-LB10SVU Multimedia Projector

1 Answer

I have a problem with our projector. The model is: PT-D3500E and the serial number is: SH5530059. When you switch on the projector the power light goes green after 25 seconds the power light goes orange...


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My name is Bruce

Jan 19, 2011 | Panasonic PT-D3500U Multimedia Projector

1 Answer

After changing the bulb image will not come on and solid orange light appears


Other then POWER BUTTON light there are three lights more
1. lamp indicator
2. temperature indicator
3. computer input
witch one light is flashing RED or illuminated RED with POWER BUTTON orange light.
If LAMP INDICATOR light is illuminated RED than lamp runtime has reached 1800 hours. but projector still working.
If LAMP INDICATOR light flashing RED than lamp circuit failure, or abnormal function or lamp unit is damaged. In this case projector doing the same behave just like your projector.
if TEMPERATURE indicator illuminating RED the projector still projecting and if flashing RED than turned of itself

Jan 11, 2011 | Panasonic PT-LB50U Multimedia Projector

2 Answers

PT-AE700E projector appears to have gone kaput - not lighting up.


Because of high voltages and heat, there are many safety circuits inside these units. If you have a spare lamp, try replacing the lamp. Initial checks are made before the lamp is fired and sometimes a defective lamp can cause this. Also, can you descruibe what you mean by "noisier than usual"? Is the fan making more noise? Something elase making a noise?

Thanks,
Dan

Oct 15, 2009 | Panasonic PT-AE700U Multimedia Projector

1 Answer

Panasonic projector PT-L78 lamp reset


Press the MENU button. Use the < > arrows to get to the OPTION menu. Press the ENTER button. Select LAMP RUN TIME. Press and hold the ENTER button for about 3 seconds. The 'lamp time reset' will display. Press OK and press the ENTER button. This will reset the lamp hours as well as turn off the projector.

Feb 25, 2009 | Panasonic PT-L785U Multimedia Projector

1 Answer

Panasonic PT-LB10SVU green light flashing,then orange,lamp light


i just replace the lamp, and don't have any light coming from lens,starting green (after a few seconds,green become to flash2_bing.gif), then turning on orange and lamp light flashing...please i need help, fan working perfect...i don't have a remote,is a problem, or not

Feb 25, 2009 | Panasonic PT-LB10SVU Multimedia Projector

1 Answer

Panasonic PT L501u Replacement Lamp


panasonic projectors , even if the lamp has reached end of life gives u 10 minutes to reset the lamp counter
so when u replace a new lamp, go to options, lamp counter, reset & press stanby button for confirmation!
thats all the unit powers off & when u check the lamp counter , its shows 0
u r done!!!!!!

Jan 22, 2009 | Panasonic PT L501U Multimedia Projector

1 Answer

Image on screen is upside down


The orientation of your projector can be setup from the "Option" menu. You may need to select the "FRONT" and "CEILING" options to display the correct orientation of the image.

Jan 19, 2009 | Panasonic PT-L785U Multimedia Projector

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