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40L2556.bin and 50L2556.bin
Save the upgrade file as X0L25Y6.bin, under the USB drive's root directory. X=4 or 5,Y=4 or 5.
3. Insert your USB storage device to the USB slot of the TV set.
4. You have 2 kind format to do F/W USB upgrade.
Case1:Direct upgrade F/W no use panel
Step1:PCBA connect IR/LED board ,Power supply unit and insert USB in port.
Step2: Press side Key "Input" (S4 loacate) and AC Power ON.
Step 3:Waiting LED flash than can put off S4 key .TV will auto ruuning F/W upgrade.
Step 4:During FW Upgrade , Green color LED will Flashing continuous.
Step 5:
When FW Upgrade complete:
Green color LED will auto turn off about 12~15 sec than auto turn on.
Step 6: Change next PCBA and follow Step 2~5.
Case2: Follow below Step by step operator OSD:
Step 1: Insert USB Than TV will show
"USB Devise was connected to TV.Do you want to open Media Plaer?"
Please change icon from Yes to No.
1
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