4.7. LNB voltage and 22KHz tone check
(only for
▪Test method
(1)Set TV in Adj. mode using POWER ON.
(2)Connect cable between satellite ANT and test JIG.
(3)Press Yellow key(ETC+SWAP) in Adj Remote control to make LNB on.
(4)Check LED light ‘ON’ at 18 V menu.
(5)Check LED light ‘ON’ at 22 KHz tone menu.
(6)Press Blue key(ETC+PIP INPUT) in Adj Remote control to make LNB off.
(7)Check LED light ‘OFF’ at 18 V menu.
(8)Check LED light ‘OFF’ at 22 KHz tone menu.
▪Test result
(1)After press LNB On key, ‘18 V LED’ and ‘22 KHz tone LED’ should be ON.
(2)After press LNB OFF key, ‘18 V LED’ and ‘22 KHz tone LED’ should be OFF.
7. GND and Internal Pressure check
7.1.Method
(1)GND & Internal Pressure
-Check that Power cord is fully inserted to the SET. (If loose,
(2)Perform GND & Internal Pressure
-Unit fully inserted Power cord, Antenna cable and A/V arrive to the
-Connect
-Auto
-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.
4.8. Option selection per country
4.8.1. Overview
- Option selection is only done for models in
4.8.2. Method
(1)Press ADJ key on the Adj. R/C, then select Country Group Meun
(2)Depending on destination, select Country Group Code 04 or Country Group EU then on the lower Country option, select US, CA, MX. Selection is done using +, - or ►◄ key.
7.2. Checkpoint
▪TEST voltage
-GND: 1.5 KV / min at 100 mA
-SIGNAL: 3 KV / min at 100 mA
▪TEST time: 1 second
▪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
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
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
(3)RGB PC: 1 KHz sine wave signal 0.7 Vrms
No. | Item | Min | Typ | Max | Unit | Remark | |
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| Audio practical | 9 | 10 | 12 | W |
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1. | max Output, L/R |
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| EQ Off | |
(Distortion=10% |
| 8.10 | 10.8 | Vrms | |||
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| AVL Off | |||||
| max Output) |
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| Clear Voice Off | ||
2. | Speaker (8Ω | 9 | 10 | 12 | W | ||
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Impedance) |
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Copyright © | LG Electronics. Inc. All rights reserved. | - 19 - | LGE Internal Use Only |
Only for training and service purposes |
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