SANYO LCD-32XA2 SERVICE MODE OPTION MODE AND SERVICE ADJUSTMENTS
SANYO LCD-32XA2
SERVICE MODE OPTION MODE AND SERVICE ADJUSTMENTS
After replacing Memory IC (IC801)
The memory IC (IC802), stores the option data of TV set and service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be programmed to the following settings and “ Service Adjustment” on page 11.
1) How to enter the Option Setting Mode
Press and hold the OK button on the remote control and press the Programme Down (▼) button on the front
control panel of the TV. The option window will appear on the screen.
The memory IC (IC802), stores the option data of TV set and service adjustments data for each circuit, therefore, when the memory IC is replaced, it should be programmed to the following settings and “ Service Adjustment” on page 11.
1) How to enter the Option Setting Mode
Press and hold the OK button on the remote control and press the Programme Down (▼) button on the front
control panel of the TV. The option window will appear on the screen.
2) How to make the Option Setting
Select desired option item by pressing the Programme Up or Down button.
To switch the option mode, use the Volume + or - button. The data
which is set in the option mode is stored into the memory IC automatically.
The following table shows the available option items and default setting mode.
The following table shows the available option items and default setting mode.
Option
Items
|
Mode
|
Default
/ Description
|
ON
Timer
|
ON or
OFF
|
Default
“OFF” / Disable or enable ON Timer function.
|
Plug
& Play
|
ON or
OFF
|
Default
“ON” / Disable or enable Plug & Play function.
|
Welcome
Text
|
ON or
OFF
|
Default
“ON” / Display message when first set up.
|
BBE
|
ON or
OFF
|
Default
“ON” / Disable or enable BBE function on Sound menu.
|
Auto
Volume
|
ON or
OFF
|
Default
“ON” / Disable or enable “Auto Volume Level” function on Sound menu.
|
Headphone
|
ON or
OFF
|
Default
“OFF” / Disable or enable Headphone control on Setting menu.
|
16:9
Mode
|
ON or
OFF
|
Default
“ON” / 16:9 mode.
|
Noise
Reduction
|
ON or
OFF
|
Default
“ON” / Disable or enable Noise Reduction function on Setting menu.
|
Country
|
UK. UK&IRE
or EU
|
Default
“EU” / Selection of TV system.
|
Raster
Rotation
|
ON or
OFF
|
Default
“OFF” / Disable or enable Raster Rotation function.
|
SESA
|
ON or
OFF
|
Default
“OFF”.
|
Digital
RC
|
ON or
OFF
|
Default
“OFF” / Disable or enable use of Digital RC hand-set.
|
Light
Monitoring
|
ON or
OFF
|
Default
“OFF” / Disable or enable Light Monitoring function.
|
Video
Mute
|
ON or
OFF
|
Default
“OFF” / Disable or enable Video Mute function.
|
Exit from the Option Mode
Press the MENU button or turn off the TV set by pressing the Power
ON/OFF button.
On-screen Service Menu System
General
This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the
service adjustments.
On-screen Service Menu System
1) How to enter the Service Menu
Press and hold the Green button of the remote control and press the Programme Down (▼) button on the front control panel of the TV, and the Main menu of service mode will be displayed.
This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the
service adjustments.
On-screen Service Menu System
1) How to enter the Service Menu
Press and hold the Green button of the remote control and press the Programme Down (▼) button on the front control panel of the TV, and the Main menu of service mode will be displayed.
2) How to select the service
section and service item and change data value:
To select Service Section: Press the Cursor UP or DOWN button on the remote control hand set, and press the
OK button to enter the Sub menu.
To select Service Section: Press the Cursor UP or DOWN button on the remote control hand set, and press the
OK button to enter the Sub menu.
To change data value: Select service item by pressing the Cursor UP or DOWB and change data value by pressing the Cursor
LEFT or RIGHT button.
Initialisation of Memory IC (IC802)
How to Initialise the Memory IC
To initialise the memory IC (IC802), press and hold the Picture Mode button on the remote control, then press the Programme Down button on the front panel of the TV set and then turn the Mains switch off and on. The initialization is now completed. When initialised the memory IC and all of the setting data (option data and service adjustment data) stored in the IC are reset to the default value.
To initialise the memory IC (IC802), press and hold the Picture Mode button on the remote control, then press the Programme Down button on the front panel of the TV set and then turn the Mains switch off and on. The initialization is now completed. When initialised the memory IC and all of the setting data (option data and service adjustment data) stored in the IC are reset to the default value.
Protection Circuit
This TV set has a built-in power supply
protection circuit. It is provided to protect the TV set in case of a power
supply circuit malfunctions. When something abnormality occurs during TV
reception, the TV set goes to the stand-by mode.
When operating the Protection Circuit, the Stand-by and Power Indicator will blink.
When operating the Protection Circuit, the Stand-by and Power Indicator will blink.
Releasing the protective circuit
and restoring power supply
To release the protective circuit and restore power supply, disconnect the AC cord for a short time. This will work only if the power supply trouble was temporary. If there is permanent trouble such as a damaged circuit, power cannot be restored and the circuit will have to be repaired.
To release the protective circuit and restore power supply, disconnect the AC cord for a short time. This will work only if the power supply trouble was temporary. If there is permanent trouble such as a damaged circuit, power cannot be restored and the circuit will have to be repaired.
Service Adjustments
AGC Adjustment
1. Receive PAL colour bar pattern. (ANT Input Level: 58dBµV 75 ohms terminated)
2. Connect a Digital Volt Meter to Tuner-AGC terminal (TP-A) and the ground.
3. Enter the Service Mode, and select item TDA9885 with ▲ or ▼ key.
4. Select sub menu Write 1 of TDA9885 with ▲ or ▼ key.
5. Adjust voltage of Tuner-AGC to become 3.2V±0.3V DC with LEFT or RIGHT key.
1. Receive PAL colour bar pattern. (ANT Input Level: 58dBµV 75 ohms terminated)
2. Connect a Digital Volt Meter to Tuner-AGC terminal (TP-A) and the ground.
3. Enter the Service Mode, and select item TDA9885 with ▲ or ▼ key.
4. Select sub menu Write 1 of TDA9885 with ▲ or ▼ key.
5. Adjust voltage of Tuner-AGC to become 3.2V±0.3V DC with LEFT or RIGHT key.
White Balance Adjustment
[ Setting ]
1. Connect a colour-bar generator to the external (composite) video input terminal (AV1, AV2, AV3 or AV4 terminal), and input a White Pattern (100%).
2. Set the television to following conditions: Picture Mode: Dynamic Pre-heating Time: More than 10 minutes
[ White Balance Adjustment ]
1. Enter the Service Mode, and select item Other
with ▲ or ▼ key.
Adjustment Item:
No. 55 White balance R
No. 56 White balance G
No. 57 White balance B
2. Set No. 55 White balance R value to “32” with LEFT or RIGHT key.
Set 56 White balance G value to “32” with LEFT or RIGHT key.
Set 57 White balance B value to “32” with LEFT or RIGHT key.
3. Decide one item in three items to a fixed value (Example, let No. 55 White balance R be fixed value), select item of other 2 colours (Example, No. 56 White balance G or No. 57 White balance B) with ▲ or ▼ key, and adjust to produce a normal black and white picture in highlight areas with or key. After adjustment, confirm white balance again by normal picture.
[ Setting ]
1. Connect a colour-bar generator to the external (composite) video input terminal (AV1, AV2, AV3 or AV4 terminal), and input a White Pattern (100%).
2. Set the television to following conditions: Picture Mode: Dynamic Pre-heating Time: More than 10 minutes
[ White Balance Adjustment ]
1. Enter the Service Mode, and select item Other
with ▲ or ▼ key.
Adjustment Item:
No. 55 White balance R
No. 56 White balance G
No. 57 White balance B
2. Set No. 55 White balance R value to “32” with LEFT or RIGHT key.
Set 56 White balance G value to “32” with LEFT or RIGHT key.
Set 57 White balance B value to “32” with LEFT or RIGHT key.
3. Decide one item in three items to a fixed value (Example, let No. 55 White balance R be fixed value), select item of other 2 colours (Example, No. 56 White balance G or No. 57 White balance B) with ▲ or ▼ key, and adjust to produce a normal black and white picture in highlight areas with or key. After adjustment, confirm white balance again by normal picture.
Black Balance Adjustment
[ Setting ]
1. Connect a colour -bar generator to the external (composite) video input terminal (AV1, AV2, AV3 or AV4 terminal), and input a dark gray pattern (10% white).
2. Set the television to following conditions: Picture Mode: Dynamic Pre-heating Time: More than 10 minutes
[ Black Balance Adjustment ]
1. Enter the Service Mode.
Adjustment Item:
No. 58 Black Balance R
No. 59 Black Balance G
No. 60 Black Balance B
2. Set No. 58 Black Balance R value to “251” with LEFT or RIGHT key.
Set No. 59 Black Balance G value to “0” with LEFT or RIGHT key.
Set No. 60 Black Balance B value to “253” with LEFT or RIGHT key.
3. Decide one item in three items to a fixed value (Example, let No. 58 Black Balance R be fixed value), select item of other 2 colours (Example, No. 59 Black
Balance G or No. 60 Black Balance B) with ▲ or ▼ key, and adjust to produce a normal black and white picture in dark gray areas with LEFT or RIGHT key. After adjustment, confirm white balance again by normal picture.
[ Setting ]
1. Connect a colour -bar generator to the external (composite) video input terminal (AV1, AV2, AV3 or AV4 terminal), and input a dark gray pattern (10% white).
2. Set the television to following conditions: Picture Mode: Dynamic Pre-heating Time: More than 10 minutes
[ Black Balance Adjustment ]
1. Enter the Service Mode.
Adjustment Item:
No. 58 Black Balance R
No. 59 Black Balance G
No. 60 Black Balance B
2. Set No. 58 Black Balance R value to “251” with LEFT or RIGHT key.
Set No. 59 Black Balance G value to “0” with LEFT or RIGHT key.
Set No. 60 Black Balance B value to “253” with LEFT or RIGHT key.
3. Decide one item in three items to a fixed value (Example, let No. 58 Black Balance R be fixed value), select item of other 2 colours (Example, No. 59 Black
Balance G or No. 60 Black Balance B) with ▲ or ▼ key, and adjust to produce a normal black and white picture in dark gray areas with LEFT or RIGHT key. After adjustment, confirm white balance again by normal picture.
