Friday, November 13, 2015

PHILIPS 19PFL4505D-F7 SERVICE MODE FACTORY RESET AND POWER SUPPLY CIRCUIT

PHILIPS 19PFL4505D-F

LED LCD


SERVICE MODE FACTORY RESET AND POWER SUPPLY CIRCUIT 

Service mode
How to enter to service mode
1. Turn the power on.
2. Press [MENU] button to display Setup menu.
3. Select “Features”.
4. Select “Current Software Info”.
5. Press [0], [6], [2], [5], [9], [6] and [Info] buttons on the remote control unit in this order.
Purity Check Mode
This mode cycles through full-screen displays of red, green, blue, and white to check for non-active pixels.
1. Enter the Service mode.
2. Each time pressing [7] button on the remote control unit, the display changes
3. To cancel or to exit from the Purity Check Mode, press [PREV CH] button
White Balance Adjustment
Purpose:
To mix red, green 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(70%=70IRE, 40%=40IRE).
3. Set the color analyzer to the CHROMA mode and bring the optical receptor to the center on the LCD-Panel surface after zero point calibration.
Note: The optical receptor must be set perpendicularly to the LCD Panel surface.
4. Enter the Service mode. Press [VOLUME DOWN] button on the remote control unit and select “C/D” mode.
5. CUTOFF
Press [1] button to select “COR” for Red Cutoff adjustment. Press [3] button to select “COB” for Blue Cutoff adjustment.
DRIVE
Press [4] button to select “DR” for Red Drive adjustment. Press [6] button to select “DB” for Blue Drive adjustment.
6. In each color mode, press [CHANNEL UP/DOWN] buttons to adjust the values of color.
7. Adjust Cutoff and Drive so that the color temperature becomes 11500°K (x= 0.276 / y=
0.277 ±0.005).
8. To cancel or to exit from the White Balance Adjustment, press [PREV CH] button
INITIALIZE THE LCD TV(FACTORY RESET )
The purpose of initialization is to place the set in a new out of box condition. The customer will be prompted to select a language and program channels after the set has been initialized. To put the program back at the factory-default, initialize the LCD TV using the following procedure.
1. Turn the power on.
2. Enter the service mode.
# To cancel the service mode, press [POWER] button on the remote control unit.
3. Press [INFO] button on the remote control unit to initialize the LCD television.
4. "INITIALIZED" will appear in the upper right of the screen. "INITIALIZED" color will change to green from red when initializing is completed.
Firmware Update Procedure
Note:
There are two states (the User Upgrade and the Factory Upgrade) in firmware update.
The identification of User Upgrade and Factory
 Upgrade are done by the filename.
1. Turn the power off and unplug the AC Cord.
2. Insert the USB storage device to the USB port
3. Plug the AC cord in the wall outlet and turn the power on.
4. The update will start
5. When the firmware update is completed, Remove the USB storage device from the USB port. Turn the power off and turn the power on again.
Note:
When the Factory Upgrade is used, after restarting TV, shift to initial screen menu in service mode. "INITIALIZED" will appear on the upper right of the screen. "INITIALIZED" color will change to green from red when initializing is completed.
POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN