Question about Sanyo PLV-Z4 Multimedia Projectors

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Lamp replacement I am trying to replace the lamp in my projector but after replacement is still say lamp replacement needed and the lamp does not come on, I have tried two different new lamps, any suggestion or do I need to take it for repair?

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Re: lamp replacement

I had this issue.  Turned out the thermal switch was tripped and just needed to be reset. (The usual disclaimer: This procedure will void your warranty and is entirely at your own risk) Remove the six screws marked with arrows to open the top (be careful as there are still wires connecting the top to the bottom.  The thermal switch is directly over the bulb assembly and connects to the main board with two thin wires (grey and white on my Z4).  You can check the switch with a multi-meter.  Normally the two wires should be shorted, if there's no continuity it's tripped.  When it trips a small plastic pin painted white on top pops up, just press it back down and you should be good to go.  (It's a good idea to clean your filters, and check the projector ventilation after to ensure it doesn't get tripped again)

Posted on Jan 18, 2008

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Re: lamp replacement

Yes, the Projector has one Ballast unit which is not working. check or replace the same. that will work definitely.

Posted on Jun 04, 2007

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The problem you are describing sounds like one of two issues. Either the lamp is bad and needs replaced, or there is a powericon1.png supply fault. If you have tried replacing the lamp already, make sure you reset the lamp counter or the projector may still not function properly.

does the temp warning light come on when the projector shuts off? if so, you may also try cleaning the air vent filters and ensure there is proper air flow around the projector. if that checks out then have the projector serviced as the power supply is likely suspect.

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are both of the lamps the same? have you installed it correctly in the socket. you might need to do a cold start for your projector. unlpugg it and try to wait for 5 minutes before plugging it again and turning it on. one your projector detected that a new lamp is intalled, it should work fine now. but if its still not working, you might want to try and replace the new lamp again. sometimes this happens.

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Replace HP VP6321 Projector Lamp Models: HP VP6321 / HP VP6320 / HP VP6310 / HP...

Replace HP VP6321 Projector Lamp

Models: HP VP6321 / HP VP6320 / HP VP6310 / HP VP6300

Here are the steps to replace an HP VP6321 Projector Lamp:

  1. Turn off the projector and allow it to cool for 30 minutes.
  2. Unplug the power cord.
  3. Press the release latch (1) on the lamp cover and remove the cover (2).
  4. Press the release latch on the lamp connector and unplug the connector (3).

5. Loosen the two screws (4) on the lamp module, and pull out the module (5).


6. Insert the new lamp module into the projector and tighten the two screws.
7. Plug in the lamp connector.
8. Snap the lamp cover into place.
9. Turn on the projector. If the lamp does not turn on after the warm-up period, try reinstalling the lamp.
10. On the projector, press Enter.
11. Advanced setup, then Reset lamp hours.
12. Press Enter.

The lamp module has now been replaced and the projector is ready for use.

I hope that helps.
Download Hp VP6321 Manual here.

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Our projector indicates that the light bulb needs to be replaced after replacing the light bulb once it still indicates that it needs to be replaced.

This is the excerpt from the manual on how to reset the lamp life timer.

Turn on the projector and use "Lamp Reset" after the lamp module is replaced.
Lamp Reset: (i) Press "Menu" ?§ (ii) Select "Options" ?§ (iii) Select "Lamp settings" ?§ (iv) Select "Lamp Reset ?§ (v) Select "Yes".

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I need to replace the projector bulb

for replacing the lamp do the fallowing.
1 turn off the projector and disconnect the AC power . allow the projector to cool for at-least 45 minutes.
2. remove the screw at the bottom to oppen the lamp cover.
3. after that remove 2 screws of the lamp and pull out lamp by grasping the handle.
4. replace the lamp with a new one and tighten the 2 screw s back in to position make sure that the lamp is set properly. replace the lamp cover and tighten the screw.
5. connect ac power turn on te projector and go to the menu select lamp counter make it zero

Replacement lamp type number is : POA-LMP90

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Press RESET, <, >, ENTER keys on remote within 5 seconds to reset lamp timer.

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1 Answer

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Hello :

Try to change the bulb .

Here is how :

1:Make sure that your power switch is off and that the power cord is unplugged from the electrical socket.
It is also wise to unplug any other cables and label them in order to restore them in the right way once the lamp is replaced.

2:In order to see the lamp, remove the access handle on the outside cover. You may need to use a screwdriver.

3:Pull out the used lamp and clean the relevant parts using micro fiber products and not paper.
Please note that in some projectors a small inside filter should also be replaced.

4:Insert the new lamp into the projector carefully avoiding touching the glass of the lamp itself.
Touching the lamp will deposit skin oil that will likely damage any new lamp during use.

5:Reassemble the access panel, replug the cables and power up the projector.

Things You'll Need:
new projector lamp
micro fiber duster
avoid touching the bare projector lamp.

please rate !

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1 Answer

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try resetting the lamp timer. if that doesn't work: listen for a high pitched whir when you power it on. if you don't hear it, the colorwheel needs replacing. if you do hear it and it doesn't light, the ballast is bad and needs replacing.

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try removing the lamp, usually quite easy, you need to find the door for the lamp. lamps are customer replaceable, usually. If the lamp is bad you can usually see it damaged in the lamp. kind of like you might be able to see the broken filament in your normale house hold light bulb. good luck.

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