Chapter6: Classical Accident Maintenance Procedures And Examples; The Thinking Of Don't Boot; Common Problems For Your Reference; Chapter7 Factory Mode Parameter Setting Instructions And Notes - Changhong Electric UD43GHE3600Ai Maintenance Manual

Chapter6: Classical accident maintenance procedures and examples

6.1 The thinking of don't boot

The power is not connected.

6.2 Common problems for your reference

To speed you to dignose and solve problems, the following commom problems are offered for your
reference.
Symptoms
No picture, no sound, and no
indicator light on
abnormity Picture and sound with
Picture is spotted or with snow
No picture, no sound and indicator
light is green
Blue screen, AV or SVIDEO is
displayed
No sound
VGA picture display with improper
color
HDMI source, with snow pixel of
full screen
The remote control does not work

Chapter7 Factory mode parameter setting instructions and notes

Press the "MENU" button, and then the continuous input "3138", directly into the factory menu, enter
the factory after the menu, there will be the software version number and software release date display,
" to select The first menu ，press
/
Press"
Possible Reason
1.The power cord is not plugged in
2.The power is off
1.Contrast, sharpness, and color are set
improperly
2.Color system is improperly
3.Sound system is improperly
Signal source is low-grade or the signal
cord is in a lower quality
Contrast, brightness, color and volume are
all in the minimum value or TV is in mute
mode.
The signal cable is
connected.
There is no signal input or the video cable
is not connected or incorrectly connected
There is no audio signal input or audio
cable is not connected correctly
The color temp is adjusted incorrectly by
user
The signal source is not normal
Batteries are improperly installed or
exhausted
"/"
23
Solutions
1.Plug in the power cord
2.Turn the power on
1.Adjust the numberical value of
Contrast, sharpness, and color
2.Set the Color system to the
country broadcasting standard
3.Set the Sound system to meet the
country's broadcasting standard
Use the qualified signal cord
Adjust the
brightness, color and volume
not correctly
Connect the signal cable correctly
Connect the video cable correctly
Connect the audio cable correctly
Readjust the color temp, or select
the original color setting
Plug the HDMI cable again
1. Make sure the positive and the
negative polarities are correct.
2.Check if there is a loose contact
between the batteries and the
springs
3.Replace the batteries
to select items, press "
value of contrast,
/
" to adjust, press