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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
5. Tool Option selection
▪ Method : Press "ADJ" key on the Adjustment remote control,
then select Tool option.
6. Ship-out mode check(In-stop)
After final inspection, press "IN-STOP" key of the Adjustment
remote control and check that the unit goes to Stand-by mode.
7. GND and Internal Pressure check
7.1. Method
(1) GND & Internal Pressure auto-check preparation
- Check that Power cord is fully inserted to the SET.
(If loose, re-insert)
(2) Perform GND & Internal Pressure auto-check
- Unit fully inserted Power cord, Antenna cable and A/V
arrive to the auto-check process.
- Connect D-terminal to AV JACK TESTER
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator.
- If OK, changeover to I/P check automatically.
(Remove CORD, A/V form AV JACK BOX.)
- Perform I/P test
- If NG, Buzzer will sound to inform the operator.
- If OK, Good lamp will lit up and the stopper will allow the
pallet to move on to next process.
7.2. Checkpoint
▪ TEST voltage
(1) DQA Test
- GND: 1.5 KV / min at 100 mA
- SIGNAL: 3 KV / min at 100 mA
(2) Mass Production Line Test
- GND: AC 1.5 KV / sec, Cut off current not exceed 100 mA
▪ TEST time: DQA 1 min, Mass Production Line 1 sec
▪ TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
- Internal Pressure TEST = POWER CORD GND & LIVE &
NEUTRAL
▪ LEAKAGE CURRENT: At 0.5 mArms
8. Audio
Measurement condition:
(1) RF input: Mono, 1 KHz sine wave signal, 100 % Modulation
(2) CVBS, Component: 1 KHz sine wave signal 0.5 Vrms
9. USB S/W Download(Service only)
(1) Put the USB Stick to the USB socket.
(2) Go to General menu then enter to About This TV.
(3) Enter the USB EXPERT MODE.
(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)
No.
Item
Min
Typ
Max
Unit
Remark
1.
Audio practical
max Output, L/R
(Distortion=10%
max Output)
9
10
12
W
EQ Off
AVL Off
Clear Voice Off
8.10
10.8
Vrms
2.
Speaker (6Ω
Impedance)
9
10
12
W
Summary of Contents for 50LF65 Series
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