Philips 32” LCD TV chassis PL19.00 - ELECTRICAL ADJUSTMENTS - How to enter the service mode, How to initialize, How to renew the firmware, SMPS circuit diagram of Type A,B and C

 

Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described here are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

Service adjustments of Philips (This chassis) PL19.00 and Funai are similar.  Both sets uses the same number main board. SMPS schematics too.

Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to perform these adjustments only after all repairs and
replacements have been completed.
Also, do not attempt these adjustments unless the proper equipment is available.

Test Equipment Required
Remote control unit (Philips Smart: RC6 code)
Color Analyzer, CA-310 (KONICA MINOLTA Luminance meter) or measuring instrument as good as CA-310.
How to set up the service mode:
Service mode
1. Turn the power on.
2. Press [0], [6], [2], [5], [9], [6], and [INFO] buttons on the remote control unit in this order. The following screen appears.

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 the [7] button on the remote control unit is pressed, the display changes as follows.

The White Balance Adjustment should be performed when replacing the LCD Panel, Digital Main CBA.
2. White Balance Adjustment
Purpose: To mix red and blue beams correctly for pure white.
Symptom of Maladjustment: White becomes bluish or reddish.

1. Operate the unit for more than 30 minutes.
2. Enter the service mode.
3. Press [VOLUME DOWN] button three times on the remote control unit to select “Drive setting” mode. “Drive -” appears in the screen.
4. 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.
5. Press [3] button to select the “HDB” for High Drive Blue adjustment. (“HDB” appears in the screen.)

6. Press [MENU] or [HOME] button. The internal Raster signal appears in the screen. (“Internal (Single)” appears in the upper right of the screen as shown below.)

7. Press [CHANNEL UP/DOWN] buttons to adjust the colour temperature becomes 6500°K (x= 0.3127 ± 4% / y= 0.329 ± 4.5%).
8. Press [1] button to select the “HDR” for High Drive Red adjustment (“HDR” appears in the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the colour temperature.
9. If necessary, adjust the “HDB”, “HDR” again.
10. Press [6] button to select the “MDB” for Middle Drive Blue adjustment (“MDB” appears in the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the colour temperature.

11. Press [4] button to select the “MDR” for Middle Drive Red adjustment (“MDR” appears in the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the colour temperature.
12. If necessary, adjust the “MDB” or “MDR” again.
13. Press [9] button to select the “LDB” for Low Drive Blue adjustment (“LDB” appears in the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the colour temperature.

14. Press [7] button to select the “LDR” for Low Drive Red adjustment (“LDR” appears in the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the color temperature.
15. Press [8] button to select the “LDG” for Low Drive Green adjustment (“LDG” appears in the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the color temperature.
16. If necessary, adjust the “LDB”, “LDR” or “LDG” again.
17. Press [VOLUME DOWN] button to shift to the “Debugging Message” mode.  If there is no message under “[WB]” section, this adjustment completes.  If “Drive settings are NG. Retry again.” Is displayed, repeat above steps from 5. to 16. Then check “Debugging Message” again. If “Drive settings are NG. Retry again.” is displayed; replace the LCD Panel or Digital Main CBA.
18. To cancel or to exit from the White Balance Adjustment, press [PREV. CH] button.

HOW TO INITIALIZE THE LCD TV
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.
Note: Disconnect any device from the USB Port before you conduct on this procedure.
Please use the: Remote Control Unit (Philips Smart)
1. According to above steps, enter into the service mode.
- To cancel the service mode, press [ < ] button on the remote control unit.
2. Press [Red], [2], [7], [3] buttons to implement forced the initialized.
3. Make sure to confirm the “INITIALIZED FINISH” appears in the green screen.
4. Unplug the AC Cord and plug it back on again.

FIRMWARE RENEWAL MODE
Equipment Required
a. USB storage device
b. Remote Control Unit (ROKU)
Firmware Update Procedure
User Upgrade (Filename example: update.roku)
Upgrade the firmware only. The setting values will not be initialized.
Update procedure
Please use the: Remote Control Unit (ROKU)
1. Turn the power on.
2. Insert the USB storage device to the USB port as shown below.

3. Reset Roku TV.
4. Press the [Home ] button, Home - Setting - System - Advanced system settings - Factory reset, enter into - Factory reset everything.

Ensure TV must connect the network, press the [Home ] × 5, >  <  > < and [ > ] enter into wifi connect interface.

6. Enter into Roku update interface, press the [Home ] button × 5, [<< ] × 4, and  [>|| ] × 1 enter into Roku update interface.

Select “USB” update.

9. After finished the updating software, TV set will automatically reboot.

SMPS Schematic diagrams for Type A and Type B and Type C