Before requesting service please check the following points

Symptom

Cause

 

 

Solution

 

 

 

 

No standby light.

Is your TV plugged in?

 

Plug your TV into mains socket (AC

 

 

 

outlet).

 

 

 

 

 

 

Is the main power switch on the front

Press

(main power) switch.

 

of your TV off?

 

 

 

 

 

 

 

Has the fuse in the mains plug

Replace fuse in mains plug.

 

blown?

 

 

 

 

 

 

 

No picture, no sound.

Is your TV plugged in?

 

Plug your TV into mains socket (AC

 

 

 

outlet).

 

 

 

 

 

Is the aerial connection cable broken

Check all aerial connections for broken

 

or damaged?

 

or damaged wires. If necessary

 

 

 

replace with new cables.

 

 

 

 

 

Possibly station trouble.

 

Try other stations to see if they are

 

 

 

stronger or move the aerial away from

 

 

 

possible source of interference. If you

 

 

 

live in a known poor reception area try

 

 

 

using an aerial booster to improve the

 

 

 

quality of broadcast signal.

 

 

 

 

 

Is the main power switch on the front

Press

(main power) switch.

 

of your TV off?

 

 

 

 

 

 

 

 

 

Have you pressed the

(Mute)

Press the

(Mute) button again or

 

button or have you set the volume at

increase the volume using the

 

minimum?

 

control.

 

 

 

 

Unable to select channel

During automatic tuning your

If a television station has been missed

numbers 8 through to 100.

television didn’t find enough channels

try repeating the automatic tuning

 

to place in these numbered

operation as described on page 7.

 

positions?

 

 

 

 

 

 

 

 

24

3N70401A/P20-Last

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Toshiba 15V31B, 3N70401A, 15V31D manual Before requesting service please check the following points, Symptom Cause Solution

15V31D, 3N70401A, 15V31B, 15V31 specifications

The Toshiba 15V31, 15V31B, 3N70401A, and 15V31D represent a series of scalable and high-performance components ideal for various applications in electronic devices. These models are part of Toshiba's broader commitment to delivering innovative and reliable semiconductor solutions that enhance the efficiency, functionality, and sustainability of electronic systems.

At the heart of these models lies the cutting-edge technology that Toshiba is renowned for. The 15V31 series primarily focuses on power management and conversion applications, making them suitable for a range of devices from consumer electronics to industrial systems. With advanced thermal management capabilities, these components operate efficiently under high stress, contributing to longevity and reliability in diverse operating conditions.

The main features of the Toshiba 15V31 product line include high voltage operation, robust current handling, and compact design. These characteristics make them suitable for applications such as power supplies, inverter systems, and DC-DC converters. The 15V31B variant, for example, offers improved efficiency and reduced power loss, which is essential for battery-operated devices and eco-friendly solutions.

In terms of technology, the 15V31 series integrates proprietary processes that enhance switching speeds while reducing electromagnetic interference (EMI). This leads to better overall performance in high-frequency applications, making these devices ideal for both residential and commercial electronics. Additionally, the 3N70401A component is designed with enhanced heat dissipation features, ensuring stable operation even at elevated temperatures.

The 15V31D model expands the series’ capabilities further, offering higher output current and enhanced drive voltage options. This versatility allows manufacturers to customize their designs to meet specific application requirements while ensuring compliance with stringent international safety and performance standards.

Overall, the Toshiba 15V31, 15V31B, 3N70401A, and 15V31D components exemplify Toshiba's commitment to innovation and quality. With their advanced features and technologies, these models are positioned to play a critical role in the evolution of modern electronics, empowering developers to create efficient and reliable embedded systems that meet the growing demands of consumers and industries alike.