Troubleshooting
4-38 Samsung Electronics
4-3 Upgrade
4-3-1 USB Download Method
1. Copy the Upgrade Files into the path "T-CRLAUSC" in USB flash driver.
2. USB Download
① Stanby mode
② Enter factory mode (INFO→MENU→MUTE→POWER ON)
③ Select "CONTROL" from the menu.
④ Select "sub option" from the menu.
⑤ Change "usb upgrade" off → on.
⑥ Insert the usb memory stick to the service port
⑦ The banner OSD "Upgrade version **** to version ****" is displayed.
Select "Yes".
⑧ Probably usb memory stick and ir led twinkle slowly.
(that means erasing old file) and then they twikle fastly.
(start upgrading) after 2minute, automatically turn the power
off and on.
⑨ On factory mode, check the s/w version. select "option"
from the menu.
⑩ Select "pdp group" P45A_42SP or P45A_50SP.
select "Factory Reset" and remove the usb memory stick
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