FUNAI 24FL553P/10 SERVICE MODE AND POWER SUPPLY CIRCUIT

FUNAI 24FL553P/10 

SERVICE MODE AND POWER SUPPLY CIRCUIT 

Firmware Update Procedure
[Preparation]
1. Prepare USB storage device.
2. Copy F/W-file to USB storage device.
Note: Make sure to use the blank USB Storage.
3. Make sure that the F/W-file’s name is “LC11_308B_FUNAI.bin”.
[Update procedure]
1. Turn the power on.
2. Insert USB storage device with F/W to TV set.
3. Press the [MENU] button on the remote control unit to display Menu.
4. Select “SETUP”.
5. Select “Software Update (USB)” and press [OK] button.
The message “Are you sure?” will appear in the screen.
6. Press [LEFT] button to select “YES”.
7. Updating starts.
Note: Do not turn off the TV set and do not remove the USB storage device while this procedure.
8. The TV set will go off and turn back on automatically when update completes.
Additional step:
A1. Enter the service mode.
A2. Select "Init TV" and press [OK] button. The TV set will go off and go back on automaticaly.
A3. Adjust the white balance.
[Confirmation of update]
1. Enter the service mode.
2. Check the “Checksum” section.
Service mode:
1. Turn the power on.
2. Press [SOURCE], [2], [5], [8] and [0] buttons on the remote control unit in this order to enter the service mode. The Factory Setting menu appears in the screen.
The White Balance Adjustment should be performed when replacing the LCD Panel or Digital Main CBA.
White Balance Adjustment
Purpose:
To mix red and blue beams correctly for pure white.
Symptom of Misadjustment: White becomes bluish or reddish.
1. Operate the unit for more than 60 minutes.
2. Input the White Raster of composite video signal to AV (70%=70IRE, 40%=40IRE).
3. Enter the service mode.
4. Press [0] button on the remote control unit to display the “White Balance” menu.
Additional step:
A1. Press [2] button on the remote control unit to select the “Colour Temp” menu.
A2. Press [LEFT] or [RIGHT ] button to select the "Normal".
5. Select a color mode (“3 R-GAIN”, “5 B-GAIN”,
“6 R-OFFSET” or “8 B-OFFSET”).
6. Set the color analyzer at the CHROMA mode and zero point calibration. Bring the optical receptor pointing at the center of the LCD-Panel.
Note: The optical receptor must be set
perpendicularly to the LCD Panel surface.
7. In each color mode, press [LEFT] or [RIGHT ] button to adjust the color temperature becomes 12000°K (x= 0.272 / y= 0.278 ±0.015).
8. To cancel or to exit from the White Balance Adjustment, press [BACK] button.
INITIALIZE
1. Turn the power on.
2. Enter the service mode. (Refer to page 5-1.)
- To cancel the service mode, press [BACK] button on the remote control unit.
3. Select “Factory Reset” and [OK] button on the remote control unit. The TV set will go off and turn back on automatically when initialization completes.
POWER SUPPLY CIRCUIT