Panasonic PT-D995U Troubleshooting, Symptom Probable cause, Corrective action

Troubleshooting

Solutions to common problems related to your projector are described here. If none of the solutions presented here solves the problem, unplug the projector and consult a Panasonic-authorized dealer or service center.

Symptom	Probable cause
Power is not supplied. Is the power cord disconnected?
Is the main power switch turned on?
Is the lamp-replacement opening cover
closed	correctly?

Corrective action

Insert the power cord (plug) firmly.

Turn on the MAIN POWER switch.

Turn off the MAIN POWER switch, close the lamp-replacement opening cover, and turn on the main power switch again.

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Is the air filter closed correctly?

Turn off the MAIN POWER switch, fit

the air filter correctly, and turn on the 28, 53 main power switch again.

Light is not emitted, or light level is low.

With power on, operation starts but stops in a few minutes.

Video image does not appear, or audio sound does not occur.

Has the lamp life expired? (Has the lamp use time reached 1000 hours?)

Is the lens cap removed?

Is the lamp life near its end?

Is the air intake or exhaust area blocked?

Is the correct input selected?

Are connected devices connected correctly?

Are signals being supplied from the connected devices?

Turn off the MAIN POWER switch, replace with a new light-source lamp, and turn on the MAIN POWER switch. Reset the lamp use time after replacing with a new lamp.

Remove the lens cap.

Check the lamp use time on the menu, and if the lamp life is near its end, arrange for a replacement lamp, or replace a little earlier.

Turn off the MAIN POWER switch, remove any blocking objects. and turn on the MAIN POWER switch again.

Select the correct inputs with the VIDEO and COMPUTER buttons.

Connect connected devices correctly.

Set connected devices correctly.

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45

8, 10 17, 28

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21

Video image dims.

Color is poor or unstable.

Are input signals (scanning frequency, etc.) appropriate?

Is the source setting correctly selected? Is a wrong source (forced mode) selected?

Is brightness adjusted correctly?

Is volume set at minimum?

Are video and audio turned off by pressing the remote control’s AV MUTING button?

Is focus adjusted correctly?

Is distance too short or too long?

Are TRACKING and PHASE adjusted correctly?

Is picture quality (color density, etc.) adjusted correctly?

Is the correct broadcast system (color system) selected?

Are signals (scanning frequency, etc.) to connected devices appropriate?

Is the source setting correctly selected? Is a wrong source (forced mode)

Check if the signal is correct as input
(scanning frequency, etc.).	21
Input the appropriate signal.
Set the source setting to AUTO or to
the correct dedicated source (forced	48, 49
mode).
Adjust brightness on the menu.	41
Adjust volume with the remote control’s	30
VOL. (+/-) buttons.
Press the remote control’s AV MUTING
button to turn video and audio on.	31
Adjust focus with the remote control’s	30, 33
FOCUS (+/-) buttons.
Set the projector at the correct	18, 19
distance.
Adjust TRACKING and PHASE on the	33, 39
menu.
Adjust picture quality on the menu.	41
Set the broadcast system (color	37
system) to AUTO.
Check if the signal is appropriate
(scanning frequency, etc.), and input	21
the appropriate signal.

Set the source setting to AUTO. If the problem still persists, set it to the

selected?

correct dedicated source (forced mode).

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54