Hitachi 42PMA300A user manual Troubleshooting, Symptoms That Seemingly Appear to be Failures

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TROUBLESHOOTING

Symptoms That Seemingly Appear to be Failures

Make the checks suggested below depending on the symptoms observed. If the symptoms remain uncorrected, contact your dealer.

WARNING

Customer servicing can be hazardous.

Symptom

 

Point to check

See page

 

 

 

 

• No picture with the power-indicating lamp

 

• Check the way the power cable is connected.

 

off.

 

• Press the power switch.

 

 

 

 

 

 

 

 

 

 

 

• The message “No Sync. Signal” or “Power

 

 

No sync signal is detected.

 

 

 

 

Save” is displayed.

 

! No Sync. Signal

• Check the way the signal cable is connected.

 

 

 

 

• Make sure that the switch of the computer, imaging equipment ,

 

• No picture with the power indicating lamp

 

 

etc., is turned on.

 

 

 

 

lights in orange.

 

 

• Make sure the computer is not in the power-save mode.

 

 

 

 

• Check to see if the input selection matches the connection

 

 

 

 

 

 

 

 

terminal.

 

 

 

 

 

 

• The message “Invalid Scan Freq.” is

 

 

An input signal is not received normally.

 

displayed.

 

! Invalid Scan Freq.

• Check to see if the input signal matches the monitor

 

 

 

 

specifications.

 

 

 

 

• Check the way the signal cable is connected.

 

• The power indicating lamp is normally lit but

 

 

 

 

• Check the contrast and brightness settings (adjust them for higher

no picture .

 

 

 

 

contrast and brightness).

 

 

 

 

 

• Check the way the signal cable is connected.

 

 

 

 

 

 

• The display image appears flowing

 

 

 

 

• Adjust the dot clock frequency and phase. (Adjust the dot clock

 

 

 

 

slantwise.

 

 

 

 

frequency first, the dot clock phase next.)

• Text displayed across the screen appears

 

 

 

 

(RGB input)

vertically streaked, with the characters in

 

 

 

 

 

 

 

 

vertical columns blurred.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Text displayed across the screen appears

 

 

 

• Adjust the dot clock phase for the clearest viewing.

blurred.

 

 

 

(RGB input)

•A fine pattern flickers when displayed on the

screen.

• The remote control does not work.

• Check to see if the batteries are loaded in the remote control in

 

opposite direction.

 

• Check to see if the batteries in the remote control are OK.

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Contents 42PMA300A Features Contents Safety Instructions About the SymbolsBe cautious of the power cord connection Be sure to keep safety ground connectionBe careful in handling the battery of the remote control Safety Instructions Precautions for the cable connection Precaution during transportationDo not physically impact the remote control Set the sound volume at a suitable levelComponent Names Main UnitRemote control Handling the Remote ControlLoading Batteries Installation Instructions InstallationAnti-tumble measures Securing to a wall or pillarConnecting to a PC Monitor rear panelPage Turning Power On and Off Operating InstructionsIndicating lamp Operating Instructions Volume Adjustment Input SwitchingAudio Mute Status guide will be displayedSize Switching Input Signal Screen DisplayDisplay area selection diagram RGB input Normal Full Zoom1 Real* Zoom3 Zoom2Using the Menu Screen On-screen display system Automatic Adjustment of Screen Position and the ClockOperating Instructions Independent Operation of Multiple Monitors ID NoPicture Menu Timer Menu Audio MenuFunction Menu Setup Menu Other Features Language MenuAutomatic Store Other Features Signal Check Power Save ModeWhen the RGB1, RGB2 input is selected Status Display ActionImage Retention of Plasma Display Methods to Reduce the Occurrence of Image RetentionAbout screen defects About residual imagesTroubleshooting Symptoms That Seemingly Appear to be FailuresEnglish Troubleshooting Actions to Correct Abnormal Displays Product Specifications Signal InputRGB terminal D-sub 15-pin connector Pin Input signalProduct Specifications Signal Input Recommended Signal ListWith Digital RGB signal input RGB1 input DVI terminal DVI-DWith Analog RGB signal input RGB2 input Supplement Connecting to a Video Imaging Device With RGB component setupOptional Video Unit Function Display size selection diagram When you want toInput signal Display screen Remarks AV1 AV2 AV3 RGB2 RGB1 AV4Using a wide-screen monitor PressOperating Instructions Displaying Multi Picture Pictures SplitYNR Operating Instructions Picture Menu YNRCNR LTIColor Management MagentaColor Decoding Item is added to the Menu shownAV1 AV2 AV3AV4 RGB1 Menu Display Registration conditionTroubleshooting Input connector pin specifications Scart connector pin specificationsProduct Specifications Recommended Signal List Signal mode Horizontal Dot clock RemarksWith R, G, B Video input AV2 and AV4 input With component input AV1, AV2 and RGB2-component input

42PMA300A specifications

The Hitachi 42PMA300A is a high-performance plasma television that was designed to deliver an exceptional viewing experience. Launched in the early 2000s, this model quickly gained popularity due to its impressive picture quality, advanced technology, and user-friendly features. One of the key attractions of the Hitachi 42PMA300A is its 42-inch screen, which offers a generous viewing area, making it suitable for various home entertainment settings.

One of the standout features of the 42PMA300A is its plasma display technology. Plasma screens are known for their deep blacks, vibrant colors, and wide viewing angles, making them ideal for watching movies and sports. The resolution of the display is 852 x 480 pixels, which, while not as high as modern standards, delivers a satisfying picture quality, particularly for standard-definition content.

The 42PMA300A also incorporates Hitachi’s proprietary Image Enhancement technology, which optimizes the displayed image for more accurate color reproduction and improved clarity. This technology works to reduce motion blur and enhances the overall contrast, resulting in a more immersive viewing experience. Additionally, the television supports various aspect ratios, allowing users to enjoy content in both widescreen and standard formats without sacrificing picture quality.

Connectivity is another area where the Hitachi 42PMA300A shines. The television is equipped with multiple input options, including HDMI, component, and composite video inputs. This flexibility makes it easy to connect various devices, such as DVD players, gaming consoles, and cable boxes. The inclusion of a built-in tuner means that users can enjoy over-the-air broadcasts without the need for additional equipment.

In terms of design, the Hitachi 42PMA300A sports a sleek and modern appearance, with a thin bezel that maximizes the screen size while minimizing the footprint. The television can be mounted on a wall or placed on a stand, offering versatility in installation.

Overall, the Hitachi 42PMA300A is a well-rounded plasma television that offers a blend of quality and convenience. With its impressive features, user-friendly design, and advanced technologies, it remains a notable choice for those looking to enhance their home entertainment setup.
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