●TROUBLESHOOTING

Before calling a technician, please check the following table to see if the below mentioned symptoms can be diagnosed and fixed.

Symptoms

Possible Causes

 

 

 

Solution

 

 

 

 

 

 

 

 

 

 

 

 

No picture, no sound,

1.The power cord is not

1.Plug the power cord in

 

2.Turn the power on

 

and no indicator light

plugged in

 

 

 

 

 

 

 

 

 

 

 

on

2.The power is off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a

 

 

 

 

 

No picture, no sound,

Functions

of

ON/OFF

Press【

 

】to turn on the TV

 

 

 

 

 

 

 

 

but the green light

TIME and

SLEEP

have

 

 

 

 

 

 

 

 

indicator

been set

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.PC is in VGA Mode

1.Press 【

 

 

】or input the PC

No picture, no sound,

without

any PC

signal

signal

 

 

 

 

 

but the yellow light

input

 

 

 

 

 

 

 

 

 

 

 

2.Connect

 

the

signal

cord

indicator

2.The signal cord is not

 

 

connected properly

properly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.Contrast, sharpness, and

1.Adjust the value of Contrast,

 

sharpness, and color

 

Picture and sound

color are not set properly

2.Set the Color system to the

2.Color system is not set

country

 

 

 

broadcasting

with abnormality

properly

 

 

 

standard

 

 

 

 

 

 

3.Sound system is not set

3.Set the Sound system to the

 

properly

 

 

 

country

 

 

 

broadcasting

 

 

 

 

 

standard

 

 

 

 

 

Picture is fuzzy or

Signal source is weak or

Use a stronger signal or change

with interference

RF cable is faulty

 

 

a new RF cable

 

 

Blue background

No Video signal or the

Connect

the

signal

cord

signal cord is not properly

properly

 

 

 

 

 

 

or not connected

 

 

 

 

 

 

 

 

 

 

Picture is unclear,

 

 

 

 

Adjust

 

 

automatically

by

 

 

 

 

selecting

 

Auto

Adjust

or

crawls or have black

Picture is not well adjusted

 

alternatively

adjust Clock

and

stripes on horizontal

 

 

 

 

Phase manually via PC Setting

position in PC mode

 

 

 

 

 

 

 

 

menu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PC Picture is not in

Picture is not well adjusted

Adjust pictures automatically by

the middle of the

resetting H Position, V Position,

screen

 

 

 

 

Phase and Clock

 

 

 

 

 

 

No Audio signal or the

1.Connect the audio signal cord

No sound

signal cord is not properly

correctly

 

 

sound system

2.Set

the

 

 

or not connected

 

 

correctly

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.Make sure the positive and

The remote control

Batteries are not

correctly

the

negative

polarities

are

correct

 

 

 

 

 

does not work

installed or are flat

 

 

 

 

 

 

 

 

 

2.Reattach the battery lid

 

 

 

 

 

 

3.Replace with new batteries

PAGE20

Page 19 Page 21
Page 20
Image 20
Changhong Electric LT1512E, LT1712E, LT2012E, LT2612E, LT3212E manual On/Off, Sleep, PAGE20
Page 19 Page 21

LT1512E, LT1712E, LT2012E, LT2612E, LT3212E specifications

Changhong Electric is a well-established name in the electronics industry, particularly recognized for its innovative television products. Among its diverse range, the LT1512E, LT1712E, LT2012E, LT2612E, and LT3212E models stand out due to their unique features and impressive technologies, catering to various consumer needs.

The LT1512E, with its 15-inch screen, is perfect for those seeking compactness without sacrificing quality. It boasts HD resolution for vivid picture clarity, along with a thin bezel design that enhances the viewing area. The built-in speakers provide an immersive audio experience, making it suitable for small rooms or as a secondary screen.

Moving up in size, the LT1712E offers a 17-inch display that is designed for versatile use. With enhanced brightness levels and dynamic color range, this model is ideal for casual viewing, whether it be movies, sports, or gaming. The LT1712E also features multiple connectivity options, including HDMI and USB ports, allowing users to connect various media devices easily.

The LT2012E takes it a step further with a 20-inch screen, embracing a full HD resolution that transforms viewing into a cinematic experience. This model is equipped with advanced image processing technology that optimizes color accuracy and contrast, providing sharp visuals that pull you into the action. Moreover, its energy-efficient design ensures lower power consumption, a feature increasingly valued by consumers today.

For those seeking larger displays, the LT2612E comes with a 26-inch screen that appeals to families. This television supports various multimedia formats and provides dynamic sound options to enhance audio performance. With a robust build and sleek design, this model is suitable for both entertainment and as a smart decor piece in any living room.

Lastly, the LT3212E, featuring a spacious 32-inch screen, is designed for those who prefer a larger viewing experience. This model integrates smart technologies, allowing access to popular streaming services and online content directly from the television. The LT3212E also includes Wi-Fi connectivity, making it easy to mirror screens from mobile devices or stream content effortlessly.

Overall, the LT1512E, LT1712E, LT2012E, LT2612E, and LT3212E illustrate Changhong Electric's commitment to delivering high-quality, innovative televisions that cater to diverse consumer preferences, ensuring that viewers enjoy enhanced entertainment experiences across various settings.
Top Page Image Contents