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LG 49UF6400 Service Manual page 19

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6. Audio
No.
Item
Min
Audio practical max
1
Output, L/R (Distortion
=10 % max Output)
Speaker
2
(8 Ω Impedance)
Measurement condition:
(1) RF input: Mono, 1 KHz sine wave signal, 100 % Modulation
(2) CVBS, Component: 1 KHz sine wave signal 0.5 Vrms
7. USB S/W Download(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 older,
it didn't work. But your downloaded version is newer, USB
data is automatically detecting.(Download Version High &
Power only mode, Set is automatically Download)
(3) Show the message "Copying files from memory".
(4) Updating is starting.
(5) Updating Completed, The TV will restart automatically.
(6) If your TV is turned on, check your updated version and
Tool option. (explain the Tool option, next stage)
* If downloading version is more new 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, have to adjust TOOL OPTION again.
1) Push "IN-START" key in service remote control.
2) Select "Tool Option 1" and push "OK" key.
3) Punch in the number. (Each model has their number.)
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Typ
Max
Unit
EQ Off
10
12
W
AVL Off
8.10 10.8 Vrms
Clear Voice Off
EQ On
10
12
W
AVL On
Clear Voice On
- 19 -
LGE Internal Use Only

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