LG 60PH6700 Service Manual page 10

4.9. LNB voltage and 22KHz tone check
(only for *PH**0 V, S, U, R)
(1) Test method
1) Press "Power on" button of a service R/C.(Baud rate :
115200 bps)
2) Connect cable between satellite ANT and test JIG.
3) Connect RS232-C Signal Cable.
4) Write LNB ON control command through RS-232-C.
5) check LED light 'ON' at 18V menu.
6) check LED light 'ON' at 22KHz tone menu.
7) Write LNB OFF control command through RS-232-C.
8) check LED light 'OFF' at 18V menu.
9) check LED light 'OFF' at 22KHz tone menu.
(2) RS-232 command for test LNB
Command
LNB On [A][I][ ][Set ID][ ][30][Cr]
LNB Off [A][I][ ][Set ID][ ][40][Cr]
(3) Test result
- After send LNB On command, '18V LED' and '22KHz
tone LED' should be ON.
- After send LNB OFF command, '18V LED' and '22KHz
tone LED' should be OFF.
<Remark> After the measurement conditions witnessed in
the last state.
5. Set Information
5.1. Check the serial number & Model Name
(1) Push the menu button and press red button on R/C to
enter 'Customer Support'menu.
(2) Move to 'signal test' menu. And check Serial No & Model
Name Select the STATION -> Diagnostics -> To set
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Set ACK
[O][K][x] or NG : [N][G][x]
[O][K][x] or NG : [N][G][x]
(Serial No & Model name)
6. SW Download Guide.
* Before put a *.epk to USB Stick make 'LG_DTV' folder in
USB. Then, put *.epk file to 'LG_DTV' folder and Turn on TV
(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 Low,
it didn't work.
But your downloaded version is High, USB data is
automatically detecting.
(3) Show the message "Copying files from memory"
(4) Updating is staring.
(5) Updating Completed, The TV will restart automatically.
After turn on TV, Please press 'IN-STOP' button on ADJ
Remote-control.
* IF you don't have ADJ R/C, enter 'Factory Reset' in
OPTION MENU.
(6) When TV turns on, check the Updated version on Product/
Service Info. MENU.
* After downloading, have to adjust TOOL OPTION again.
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LGE Internal Use Only