HLC32R1 - Haier LCD TV, service mode, Power and main board connector details, service adjustments
Service Mode
How to enter into Service Mode
The way to the factory mode menu:
1 - press menu,
2 - input 8893
Finished these operations , system will be into the factory mode menu.
How to exit
IF want to exit this factory menu, press the botton ”Exit” in the remoter.
Version ,S/N, Panel ResolutionHow to enter into Service Mode
The way to the factory mode menu:
1 - press menu,
2 - input 8893
Finished these operations , system will be into the factory mode menu.
How to exit
IF want to exit this factory menu, press the botton ”Exit” in the remoter.
Version: The first line is the model Name and the second line is current software version
Video
Auto Color
The option could only be used in the VGA and Component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically.
Color Temperature
The function could adjust the Color Temperature., used when debugging.
Auto Color
The option could only be used in the VGA and Component model. When we found the color in the two models was abnormal. Then we can use the function to adjust it automatically.
Color Temperature
The function could adjust the Color Temperature., used when debugging.
Audio
Dolby Banner: When turn it “ON”, the model will be in Dolby authentication state.
Dolby Banner: When turn it “ON”, the model will be in Dolby authentication state.
Compression: Compression style. RF：atv line：AV/S-Video/YPbPr/VGA
Compression Factor: Compression state.
Down mix: output model. MTS System: used when debugging. The parameters only used when debugging, no need to be modified.
Compression Factor: Compression state.
Down mix: output model. MTS System: used when debugging. The parameters only used when debugging, no need to be modified.
Channel
Range Scan: The function could make it to search the channels by differentiation the analog and digital channels.
Range Scan: The function could make it to search the channels by differentiation the analog and digital channels.
Single RF Scan: Search channels in the frequency scope set in advance.
Factory Scan: According to ANTENNA-ANALOG > ANTENNA-DIGITAL > CABLEANALOG > CABLE- DIGITAL to search channels, used only in project debugging.
Tuner Diagnostic: Project debugging setting, used to inspect the audio function
Gamma
Bright：GAMMA0.8 Middle：default settings in the program Dark： GAMMA1.2
Bright：GAMMA0.8 Middle：default settings in the program Dark： GAMMA1.2
Back-light
Back-light: adjust the back-light.
Back-light: adjust the back-light.
Function
Burning Mode
Turn it “ON” to enter the ageing model, This is for factory run-in testing. The screen would display red, green, blue and black screen repeatedly. Each color screen could be exam at that time.
Burning Mode
Turn it “ON” to enter the ageing model, This is for factory run-in testing. The screen would display red, green, blue and black screen repeatedly. Each color screen could be exam at that time.
Clean Storage：The function could make the model turn back to the factory default setting
Main Board & AV Board
Main Board: Process signal from exterior equipment and then translate into signal that panel can display.
Connector details
CNA1-Pin1: System power on / standbySystem board will use this pin to control system power.
CN1-Pin2: Backlight on/off
The system can turn on or turn off the back-light of TFT LCD Panel through the power supply unit path.
CN1-Pin1: Control the luminance of back-light.
The system can generate the PWN signal to control the strength of TFT LCD Panel’s back-light through this connector
The system can turn on or turn off the back-light of TFT LCD Panel through the power supply unit path.
CN1-Pin1: Control the luminance of back-light.
The system can generate the PWN signal to control the strength of TFT LCD Panel’s back-light through this connector
Power Board Connector definition
LCD Panel connector
Panel failure symptoms
