Read LG 42LT670H (CHASSIS:LA2AF) Service Manual online
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9. USB S/W Download
(optional, Service only)
(1) Put the USB Stick to the USB socket
(2) Automatically detecting update file in USB Stick
- If your downloaded program version in USB Stick is lower
than that of TV set, it didn’t work. Otherwise USB data is
automatically detected.
(3) Show the message “Copying files from memory”
(5) Updating Completed, The TV will restart automatically
(6) If your TV is turned on, check your updated version and
Tool option.
* If downloading version is more high than your TV have, TV
can lost all channel data. In this case, you have to channel
recover. If all channel data is cleared, you didn’t have a DTV/
ATV test on production line.
* After downloading, TOOL OPTION setting is needed again.
(1) Push "IN-START" key in service remote controller.
(2) Select "Tool Option 1" and Push “OK” button.
(3) Punch in the number. (Each model has their number.)
10. Conditions ST_BY Consumption
Power
- Have to turn-off ST_BY Light
- USA 110V / 60Hz, KOREA 220V / 60Hz
(Menu -> Option -> Power Indicator -> ST_BY Light : OFF)
11. Test factor for commercial model
11.1. RJP TEST
{Picture1}
11.1.1. Overview
▪ Jig(Commercial Check JIG)
▪ Power only mode
11.1.2. Test sequence
(1) Connect the adapter to the Commercial check Jig for
supplying voltage
(2) Turn on the TV and fix the channel to 96-1
(3) Adjust each switch on left side to; adapter and 5V
(4) Turn on JIG pin No. 5. as picture 1
(5) Press the P-ONLY key for Encryption channel check
(6) Press the EXIT key
(7) Check to confirm the encryption channel
(8) Connect the LAN Cable
(9) Check “RJP TEST : OK” message.
(4) Updating is staring.
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