4-15
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
Number Key(1)
MUTE
Number Key(8)
Number Key(2)
Power on
- If you have Factory remote - control
DISPLAY
PICTURE ON
FACTORY
- The buttons are active in the service mode.
1. Remote - Control Key : Power, Arrow Up, Arrow Down, Arrow Left
Arrow Right, Menu, Enter, Number Key(0~9)
2. Function - Control Key : Power, CH +, CH -, VOL +, VOL -,
Menu, TV/VIDEO(Enter)
4-3-2 Panel Check
You have to check Panel Maker Because of different adjustments as follows.
First of all, Check the label rating!
1) Label Rating File
- LCD PANEL MARK
A:ACER(AUO) S : SEC C : CMO
* If not printed you could consider S(sec) panel mark.
Summary of Contents for LN52B750U1M
Page 7: ...1 4 1 Precautions Memo ...
Page 31: ...4 4 4 Troubleshooting WAVEFORMS 1 R G B Output Signal PC_R Signal PC_G Signal PC_B Signal ...
Page 33: ...4 6 4 Troubleshooting WAVEFORMS 1 Signal of HDMI Data 2 Digital Output Data ...
Page 37: ...4 10 4 Troubleshooting WAVEFORMS 1 AV_CVBS Output Signal ...
Page 39: ...4 12 4 Troubleshooting WAVEFORMS 1 I2C Data 3 Speaker out ...
Page 66: ...4 39 4 Troubleshooting 5 Press 0 6 Save latest BSP images to update folder in usb memory ...
Page 67: ...4 40 4 Troubleshooting 7 Enter bbm usb after connecting usb memory 8 Press 1 ...
Page 68: ...4 41 4 Troubleshooting 9 Enter u boot bin 10 Press x to return prompt menu ...