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4-26
4. Troubleshooting
4-3. Factory Mode Adjustments
4-3-1 Entering Factory Mode
To enter ‘Service Mode’ Press the remote -control keys in this sequence :
- If you do not have Factory remote - control
INFO
Power OFF
MENU
MUTE
4-3-2 How to Access Service Mode
Using the Customer Remote
Turn the power off and set to stand-by mode
Press the remote buttons in this order; POWER OFF- INFO - MENU - MUTE to turn the set on.
The set turns on and enters service mode. This may take approximately 20 seconds.
Press the Power button to exit and store data in memory.
- If you fail to enter service mode, repeat steps 1 and 2 above.
Initial SERVICE MODE DISPLAY State
OPTION
ADC/WB
Control
Advanced
Expert
T-CRLPEUC-XXXX
T-CRLHPEUHC-XXXX
T-CRLHPEUS-XXXX
DTP-LP-XXXX-XX
DTP-LP-App-XXXX-XX
OPTION : 07010 000
ADC : HDMI X COMP X PC X AV X
EDID : SUCCESS
HDCP : SUCCESS
Current Flash : Flash 0
Build Date : XX-XX-XXXX
Date Of Purchase : XX/XX/XXXX
* How to enter the hidden factory mode.
a. into the factory mode
b. move the tap to Advanced
c. key input : 0 + 0 + 0 + 0
** hidden menu : Advanced
6. Buttons operations withn Service Mode
Menu
Full Menu Display/Move to Parent Menu
Direction Keys /
Item Selection by Moving the Cursor
Direction Keys /
Data Increase / Decrease for the Selected Item
Source
Cycles through the active input source that are connected to the unit
1.
2.
3.
4.
5.
Summary of Contents for LA22B450C4H
Page 185: ...1 4 1 Precautions Memo...
Page 201: ...4 5 4 Troubleshooting LVDS PC_RGB HV_Sync MAINBOARD BOTTOM...
Page 202: ...4 6 4 Troubleshooting WAVEFORMS 1 PC input V sink H sink R G B 2 LVDS output...
Page 204: ...4 8 4 Troubleshooting HDMI 2 HDMI 1 MAINBOARD TOP...
Page 205: ...4 9 4 Troubleshooting WAVEFORMS 3 HDMI input RX_Data RX_Clk 2 LVDS output...
Page 207: ...4 11 4 Troubleshooting B3 3V_PW Tuner_CVBS B5V_VCCT_PW MAINBOARD TOP...
Page 208: ...4 12 4 Troubleshooting WAVEFORMS 4 CVBS OUT Grey Bar 2 LVDS output...
Page 210: ...4 14 4 Troubleshooting TS_DATA B1 2V_PW B3 3V_PW B5V_VCCT_PW MAINBOARD TOP...
Page 211: ...4 15 4 Troubleshooting WAVEFORMS 2 LVDS output...
Page 213: ...4 17 4 Troubleshooting MAINBOARD BOTTOM...
Page 214: ...4 18 4 Troubleshooting WAVEFORMS 4 CVBS OUT Grey Bar 2 LVDS output...
Page 216: ...4 20 4 Troubleshooting MAINBOARD BOTTOM...
Page 217: ...4 21 4 Troubleshooting WAVEFORMS 5 Compnent_Y Gray scale Pb Pr Color bar 2 LVDS output...
Page 220: ...4 24 4 Troubleshooting WAVEFORMS 6 I2C Data 7 Speaker out...
Page 241: ...4 45 4 Troubleshooting Connecting the TV with STB SBB...
Page 259: ...4 63 4 Troubleshooting 4 10 PCB diagram...
Page 260: ...4 64 4 Troubleshooting...
Page 261: ...6 1 6 Wiring Diagram 6 Wiring Diagram 6 1 Wiring Diagram 26 32 37 40...