Panasonic TH-50PHW6, TH-42PHW6 manual Troubleshooting, Plasma Display panel Symptoms Check

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Troubleshooting

Before you call for service, determine the symptoms and make a few simple checks as shown below.

	Symptoms		Checks
Picture		Sound	Checks
Picture		Sound
			Electrical Appliances
			Cars/Motorcycles
			Fluorescent light
Interference		Noisy Sound
			Volume
			(Check whether the mute function has been
			activated on the remote control.)
Normal Picture		No Sound
			Not plugged into AC outlet
			Not switched on
			Picture and Brightness/Volume setting
			(Check by pressing the power switch or stand-
No Picture		No Sound	by button on the remote control.)
No Picture		No Sound
			If a signal with a non-applicable colour system
			format, or frequency is input, only the input
			terminal indication is displayed.
No Picture		Normal Sound
			Colour controls set at minimum level
			(see page 18)
			Colour system (see page 24)
No Colour		Normal Sound

This Plasma Display uses special image processing. Hence a slight time lag may occur between image and audio, depending on the type of input signal. However, this is not a malfunction.

Plasma Display panel

	Symptoms	Check
	Some parts of the screen	The plasma display panel is manufactured using an extremely high level of precision
	Some parts of the screen	technology, however, sometimes some parts of the screen may be missing picture
	do not light up.
	do not light up.	elements or have luminous spots. This is not a malfunction.
		elements or have luminous spots. This is not a malfunction.
		Do not allow a still picture to be displayed for an extended period, as this can cause
		a permanent after-image to remain on the Plasma Display.
		Examples of still pictures include logos, video games, computer images, teletext
		and images displayed in 4:3 mode.
		Note:
	After-images appear	The permanent after-image on the Plasma Display resulting from fixed image use
	After-images appear	is not an operating defect and as such is not covered by the Warranty.
		This product is not designed to display fixed images for extended periods of time.
	Whirring sounds can be heard	The display unit is fitted with a cooling fan to dissipate heat generated during normal
	from the display unit.	use.The whirring sound is caused by rotation of the fan and is not a malfunction.

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Contents English Operating InstructionsHigh Definition Plasma Display Model No. TH-42PHW6Table of Contents Important Safety NoticeWhen using the Plasma Display Safety PrecautionsSetup Electric shocks can result if this is not done Cleaning and maintenanceIf problems occur during use Trademark CreditsRemote Control Batteries AccessoriesAccessories Supply Terminals L Speakers Terminals R AC cord connection see ConnectionsSpeakers AC cord fixingSDA Signal Names for D-sub 15P ConnectorPC Input Terminals connection HD/SYNCSerial Terminals connection Installing the ferrite core Large sizeCommand Communication parametersVideo VCR Camcorder AV & Component connectionDVD VCRBasic Controls Off Connecting the plug to the Wall Outlet Power On/Off and input signal selectionPower On/Off AC cord connectionINPUT1 INPUT2 INPUT3 Select the input signalSelecting the On-Screen Menu Language EnglishusOn-Screen Menu Displays To setup Screensaver see page 20 To Signal screen for Component seeTo Signal screen for RGB see Aspect Controls Helpful Hint N / Normalise Normalisation Adjusting Picture Pos./SizeAdjusting screen Dynamic Picture AdjustmentsNormal CinemaSound Adjustment MuteScreensaver For preventing after-images Mode selectionStart setting Reversal / Scroll selectionSide Panel Adjustment This function may be applicable to the non-picture areaPress to change the Input label Reduces power consumptionCustomizing the Input labels INPUT3/VIDEO3/COMPONENT3/RGB3/PC3/DVD3/CATV3/VCR3/STB33D Y/C Filter For Ntsc AV images Setup for Input SignalsComponent/RGB-in select RGBIf the picture image becomes unstable Colour system / Panasonic AutoCinema reality PAL Secam NtscFreq. kHz/V-Freq. Hz Setting RGB sync signalSync Displays the H Horizontal/V Vertical frequenciesTroubleshooting Plasma Display panel Symptoms CheckPAL60 VIDEO/COMPONENT/RGB/PC Input SignalsApplicable input signals for PC Input D-sub 15P ∗ Mark Specifications Customer’s Record