Mitsubishi Electronics 837 SERIES TV Channels Symptom Remarks, TV Power On/Off Symptom Remarks

Models: 837 SERIES 737 SERIES

1 88
Download 88 pages 62.06 Kb
Page 76
Image 76

76Appendices

Appendix E: Troubleshooting, continued

TV Channels

 

Symptom

Remarks

1.

The TV takes several seconds to respond to

• It is normal for digital channels to take longer to tune in.

 

channel changes.

• Press ENTER after entering a channel number to avoid

 

 

delays.

 

 

• Use a 4-digit number for an over-the-air digital channel.

 

 

• Use a 6-digit number for digital cable channels if your cable

 

 

service is able to recognize 6-digit channel numbers.

 

 

 

2.

You cannot access a channel.

• Use number keys instead of CHANNEL Up/Down.

 

 

• Be sure the channel you want to view is in memory.

 

 

• Check that the TV is switched to the correct device or

 

 

antenna for that channel by pressing the ACTIVITY key.

 

 

• Make sure the Lock > Parent menu lock is set to Off.

 

 

• If you cannot tune to a virtual digital channel even though the

 

 

TV has already memorized digital channels, tune to the physi-

 

 

cal channel number used by the broadcaster. The virtual

 

 

channel will then be automatically added to memory.

 

 

• You may be trying to tune to an analog channel that is no

 

 

longer broadcasting.

 

 

 

3.

When ChannelView list is displayed, informa-

• Press INFO to update the display for the highlighted channel.

 

tion appears incomplete

• Program information is displayed only for the currently tuned

 

 

channel.

 

 

• Available information is sent from the broadcaster or cable

 

 

provider. No other data is available.

 

 

• Make sure the TV clock is set correctly.

 

 

 

TV Power On/Off

 

Symptom

Remarks

 

 

 

1.

TV takes an excessively long time to power

When powered on, the TV needs time to boot up, just as a com-

 

on.

puter does. Also, the TV’s lamp requires a few moments to heat

 

 

up to full brightness.

 

 

 

2.

You cannot program the TV to turn on auto-

• The TV may be locked.

 

matically (Timer function)

• The clock may not be set.

 

 

 

3.

TV turned itself off and the light on the front

• Momentary power fluctuation caused the TV to turn off to

 

panel started to blink.

prevent damage. Wait for the green light to stop flashing

 

 

and turn the TV on again.

 

 

• If the TV does not stay on, press the POWER button on the

 

 

control panel for at least eight seconds to perform System

 

 

Reset. If this happens frequently, obtain an AC line power

 

 

conditioner/surge protector.

 

 

• An unusual digital signal may have been received, triggering a

 

 

protection circuit. Wait for the light to stop flashing and turn TV

 

 

on.

 

 

 

4.

TV will not power off.

Press the POWER button on the control panel for ten seconds

 

 

to perform System Reset.

Page 76
Image 76
Mitsubishi Electronics 837 SERIES, 737 SERIES manual TV Channels Symptom Remarks, TV Power On/Off Symptom Remarks

837 SERIES, 737 SERIES specifications

Mitsubishi Electronics has established itself as a key player in the world of automation and control with its innovative series of programmable logic controllers (PLCs), notably the 737 Series and 837 Series. These PLCs are designed to meet the rigorous demands of modern industrial automation, providing a blend of versatility, efficiency, and advanced technology.

The Mitsubishi 737 Series PLC is renowned for its compact design and high processing power. A significant feature of this series is its modular architecture, allowing users to expand and customize their systems according to specific application needs. The 737 Series is equipped with advanced I/O options, offering diverse configurations that support both digital and analog inputs and outputs. This multiplicity equips operators with remarkable flexibility for various automation processes, from simple machine control to complex manufacturing systems.

On the other hand, the 837 Series separates itself through an extensive range of built-in functionalities and connectivity options. One critical feature of the 837 Series is its high-speed processing capabilities. The controller effectively executes ladder programming and structured text, allowing engineers to develop complex control algorithms seamlessly. Additionally, the 837 Series supports Ethernet and other communication protocols, enabling easy integration in networked environments. This connectivity enhances real-time data sharing and remote monitoring, ensuring improved operational efficiency.

Both series utilize Mitsubishi Electronics' proprietary technologies, such as the MELSEC system, which promotes high reliability and ease of use. The user-friendly programming environment supports both graphical and textual programming, accommodating developers with varying skill levels. Moreover, Mitsubishi’s Cyber Security features ensure that the systems remain secure against potential threats in an increasingly connected industrial landscape.

In terms of energy efficiency and sustainability, both the 737 and 837 Series PLCs incorporate advanced power management capabilities, reducing energy consumption while maintaining optimal performance. Their robust build quality also ensures longevity in harsh industrial conditions, securing investments and enhancing overall operational reliability.

In conclusion, the Mitsubishi 737 Series and 837 Series PLCs represent the forefront of automation technology, providing essential features, cutting-edge processing power, and unmatched flexibility. Their integration into industrial applications continues to propel efficiency and innovation across various sectors, solidifying Mitsubishi Electronics’ reputation as a leader in automation solutions.