Troubleshooting. Panasonic PT-LW376

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Troubleshooting. Panasonic PT-LW376 | Manualzz

Chapter 6 Maintenance - Troubleshooting

Troubleshooting

Please check following points. For details, see the corresponding pages.

Problem

Power does not turn on.

No picture appears.

The picture is fuzzy.

The color is pale or grayish.

No sound from the internal speaker.

The remote control does not operate.

Cause f The power cord may not be connected.

f No electric supply is at the wall outlet.

f The circuit breakers have tripped.

f Is the warning indicator <WARNING > lit or blinking?

f The lamp cover has not been securely installed.

f The video signal input source may not be connected to a terminal properly.

f The input selection setting may not be correct.

f The [BRIGHTNESS] adjustment setting may be at the minimum setting.

f The input source which is connected to the projector may have a problem.

f The AV mute function may be in use.

f The lens focus may not have been set correctly.

f The projector may not be at the correct distance from the screen.

f The lens may be dirty.

f Is the relative position between the projector and the screen set properly?

f [COLOR] or [TINT] adjustment may be incorrect.

f The input source which is connected to the projector may not be adjusted correctly.

f The RGB signal cable is damaged.

f The external device may not be connected correctly to the audio input terminal. f The volume may have been set to the minimum level.

f The AV mute function may have been turned on.

f The Mute function may have been enabled.

f When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in speaker is not available.

f Is the audio input selection in [AUDIO SETTING] set correctly?

f The batteries may be weak.

f The batteries may not have been inserted correctly.

f The remote control signal receptor on the projector may be obstructed.

f The remote control unit may be out of the operation range.

f Strong light such as fluorescent shine onto the signal receptor.

f The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROL DEVICE

SETUP].

f When different codes are set on the projector and on the remote control.

The control buttons of the projector do not operate.

f The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICE SETUP].

The picture does not display correctly.

Picture from a computer does not appear.

Picture from a HDMI device does not appear or picture is not stable.

No sound is output from a HDMI device.

f Is the [TV-SYSTEM], [RGB/YC

B

C

R

]/[RGB/YP

B

P

R

] selection set correctly?

f There may be a problem with the VCR or other signal source.

f A signal which is not compatible with the projector is being input.

f Is the setting of the computer output correct?

f Is the cable too long? (For D-Sub cables, the cable length should be 10 m (32'10") or shorter.) f Is the external video output on the laptop computer set correctly? (Ex.: The external output settings may be switched by pressing the “Fn” + “F3” or “Fn” + “F10” simultaneously. Since the method varies depending on the computer type, refer to the user manual provided with your computer.) f Is the HDMI cable securely connected?

f Turn off the power of the projector and the connected devices. Then turn the power of the projector and the connected devices back on.

f Isn't unsupported signal cable connected?

f

Set the sound channel of the attached device to Linear PCM.

f Is the audio input selection in [AUDIO SETTING] set correctly?

59, 60

36 - 38

49, 81

49

49, 81

37 - 38

81

26

26

86

30

26

Reference page

121

123

36 - 38

46

45

34

22

59

49

52, 77

86

62

138

36 - 38

138

81

Attention f If the problem persists, after confirming the contents of the table, please consult your dealer.

ENGLISH - 127

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