Thursday, January 05, 2017

SYLVANIA LC220SS2 - EMERSON LC220EM2 - MAGNAVOX 22ME601B - Service mode – Vcom adjustment – Initialization – firmware update


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], [4], [2], [5], [7], [4] and [INFO] buttons on the remote control unit in this order. The following screen appears.
1. 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.
3. To cancel or to exit from the Purity Check Mode, press [CH RETURN] or [PREV CH] button.
VCOM Adjustment
1. Operate the unit for more than 60 minutes.
2. Set the color analyzer at the zero point calibration and 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.
3. Enter the Service mode.
4. Press [3] button on the remote control unit.
5. Press [CHANNEL UP/DOWN] buttons on the remote control unit so that the color analyzer value becomes minimum.
6. To cancel or to exit from the VCOM Adjustment, press [CH RETURN] or [PREV CH] button.
The White Balance Adjustment should be performed when replacing the LCD Panel
or Digital Main CBA.
3. White Balance Adjustment
Purpose:
To mix red and blue beams correctly for pure white.
Symptom of Misadjustment: White becomes bluish or reddish.
ITEM
SPECIFICATION
Color temperature
x= 0.272 +/-0.002
y= 0.278 +/- 0.002
Input Signal
Internal pattern
(40/70% raster)
Measurement point
Screen center
M. EQ.
CA-310 (KONICA MINOLTA
Luminance meter) or
measuring instrument as
good as CA-310.
Aging time
60min.
(Retail MODE/100IRE Raster
HDMI 1080i@60)
MODE setting of TV
Shipment setting/ Retail MODE
Ambient
temperature
25 degreeC ± 5 degreeC
1. Operate the unit for more than 60 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 on 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 on the screen.)
6. Press [MENU] button. The internal Raster signal appears on the screen. (“Internal (Single)” appears on the upper right of the screen as shown below.)
7. Press [CHANNEL UP/DOWN] buttons to adjust the color temperature becomes 12000 degree K (x= 0.272 / y= 0.278 ±0.002).
8. Press [1] button to select the “HDR” for High Drive Red adjustment (“HDR” appears on the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the color temperature.
9. If necessary, adjust the “HDB” or “HDR” again.
10. Press [6] button to select the “LDB” for Low Drive Blue adjustment (“LDB” appears on the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the color temperature.
11. Press [4] button to select the “LDR” for Low Drive Red adjustment (“LDR” appears on the screen.) and press [CHANNEL UP/DOWN] buttons to adjust the color temperature.
12. If necessary, adjust the “LDB” or “LDR” again.
13. 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.” is displayed, repeat above steps from 5. to 12. Then check
“Debugging Message” again. If “Drive settings are NG. Retry.” is displayed, replace the LCD Panel or Digital Main CBA.
14. To cancel or to exit from the White Balance Adjustment, press [CH RETURN] or [PREV CH] button.
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.
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 [FREEZE] 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
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 and appear on the screen.
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 will appear on the screen.
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.