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7.2 FW Upgrade
Step 1: Ready for F/W upgrade
1.1 Change the “.pkg” format software file name to “upgrade.pkg”, eg:
After change:
1.1 Prepare a USB memory (The file system of USB memory must be FAT16 or FAT 32).
1.2 Copy the file (upgrade.pkg) from your computer to the U-disk root path, and remove the USB port from
computer’s USB port!
Note: 1). Note the version of this F/W before you change the software file name.
2). The software file name must be changed, or TV can’t detect the F/W.
Step 2: F/W upgrade
2.1 AC on the TV and turn it on.
2.2 Plug the USB disk to the USB port on the side I/O port of TV.(Figure 2.1)
Figure 2.1
2.4 The TV detects the valid software as below fig. Select “Yes” by RC.
Summary of Contents for LET32/40T900
Page 5: ...5 2 Operating Instructions 2 1 The Use of Remote Control ...
Page 6: ...6 2 2 To Use the Menus ...
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Page 33: ...33 2 3 Front Panel Control Knobs ...
Page 36: ...36 2 4 How to Connect ...
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Page 43: ...43 Step3 Remove the BKT Step4 Separate the AC COVER and SHIELD ...
Page 45: ...45 Step7 Remove the LED BAORD IR BOARD and KEY BOARD ...
Page 46: ...46 LET40T900 Step1 Remove the STAND BASE Step2 Remove the REAR COVER ...
Page 48: ...48 Step5 Remove the LED BAORD IR BOARD and KEY BOARD ...
Page 56: ...56 6 PCB Layout 6 1 Main Board 715G4589M01000004K ...
Page 57: ...57 ...
Page 58: ...58 6 2 Power Board LET32T900 715G4500P01W30003S ...
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Page 61: ...61 LET32T900 715G4654P01W21003M ...
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Page 64: ...64 LET40T900 715G4581P01W30003H ...
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