Appendices33

Appendix C: Troubleshooting, continued

Common Picture Problems

Symptom

Remarks

 

 

1.Picture does not look like a high-defi- Compare the picture to the TV’s test picture (Picture > Picture+ >

 

nition picture.

 

Test Picture) to check if the source signal is supplying a lesser-quality

 

 

 

image.

 

 

 

Not all signals are high-definition signals. To receive high-definition

 

 

 

programming from your cable or satellite provider, you must subscribe

 

 

 

to the provider’s high-definition service. Some over-the-air broadcasts

 

 

 

are in high-definition and can be received with a high-quality antenna

 

 

 

suited to your location.

 

 

 

 

 

 

2.

TV has sound but no picture.

 

Press MENU on the remote control. If the menu displays, then there

 

 

 

 

is a problem with the incoming signal.

 

 

 

• Check that all video inputs are plugged in firmly to the correct input

 

 

 

 

jacks.

 

 

 

• Press and hold the POWER button on the control panel for ten

 

 

 

 

seconds to perform System Reset.

 

 

 

 

 

 

3.

Picture has become dimmer.

 

The lamp is nearing the end of its life. Order a new lamp.

 

 

 

• Adjust picture brightness and contrast to maximum levels.

 

 

 

• Change Lamp Energy from Standard to Bright.

 

 

 

 

 

4. A color program appears as a black

 

• If using component video, check that the red, green, and blue input

 

and white image, or the colors are

 

 

cables are correctly connected to the red, green, and blue compo-

 

dim, or the screen is black.

 

 

nent video jacks.

 

 

 

• If using composite video, check that the incoming cable is con-

 

 

 

 

nected the TV’s green Y/VIDEO jack.

 

 

 

• 838 Series. The PerfectColor color balance has been incorrectly

 

 

 

 

set. Reset the PerfectColor balance.

 

 

 

 

 

5. Picture from an HDMI input is noisy

 

• Compare the picture to the TV’s test picture (Picture > Picture+ >

 

(poor quality).

 

 

Test Picture) to check if the noise is internal or external to the TV.

 

 

 

• Upgrade a Category 1 (unmarked) HDMI cable to a newer type of

 

 

 

 

high-speed HDMI cable.

 

 

 

 

 

 

Home Network

 

 

 

 

 

Symptom

 

Remarks

 

 

 

 

 

 

 

 

 

1.

I cannot connect the TV to the

 

Go to the Setup > Network menu. Obtain the TV MAC address and

 

 

network.

 

provide it to the router.

 

 

 

 

 

 

2.

I plugged in a wireless USB adapter,

 

The network may be locked. Go to Setup > Network. Highlight the

 

 

but the wireless connection is not

 

network name and supply the pass code.

 

 

working.

 

 

 

 

 

 

 

 

 

3.

The INTERNET key only goes to

 

Normal operation. The TV receives all internet services through VUDU.

 

 

VUDU.

 

The TV does not provide full internet access as does a web browser on

 

 

 

 

a computer.

 

 

 

 

 

 

 

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Page 33
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Mitsumi electronic 738 Series Common Picture Problems, Symptom Remarks, Change Lamp Energy from Standard to Bright

738 Series, 838 Series specifications

Mitsumi Electric, a prominent player in the electronic components industry, has made significant strides with its 738 and 838 Series. These series are well-regarded for their integration of advanced technologies and innovative features, catering to a diverse range of electronic applications.

The Mitsumi 738 Series is distinguished by its compact design and versatile functionality. This series incorporates state-of-the-art surface mount technology (SMT) that not only minimizes footprint but also enhances reliability. The 738 Series components are engineered for low power consumption, making them ideal for battery-operated devices. Additionally, they feature high-speed data transfer rates, which is critical for applications such as telecommunications and data communication.

Among its key characteristics, the 738 Series boasts a wide operating temperature range, ensuring optimal performance in various environmental conditions. This resilience aids in applications where temperature fluctuations are common, notably in industrial settings. Furthermore, the series supports a range of communication protocols, making it adaptable for use in various electronic systems, from consumer electronics to automotive applications.

On the other hand, the Mitsumi 838 Series takes performance to the next level with enhanced features designed for more demanding applications. This series emphasizes exceptional power efficiency and improved signal integrity, which is essential for high-frequency operations. The 838 Series includes advanced shielding technologies that reduce electromagnetic interference, making them highly suitable for sensitive electronic equipment.

Moreover, the 838 Series integrates enhanced safety features, including over-current protection and thermal protection, ensuring the longevity and reliability of the components. Both series prioritize ease of integration with a standardized pin configuration, facilitating quick assembly and reducing time-to-market for developers.

In summary, the Mitsumi 738 and 838 Series represent a culmination of innovative engineering and advanced technologies, tailored to meet the evolving needs of the electronic components market. With their commitment to quality, performance, and reliability, Mitsumi continues to position itself as a leader in providing solutions that drive the future of electronics. Whether for personal gadgets or industrial machinery, these series offer compelling choices for manufacturers seeking efficient and dependable electronic solutions.