
- 19 - LGE Internal Use OnlyCopyright  ©    LG Electronics. Inc. All rights reserved.
Only for training and service purposes
4.7. LNB voltage and 22KHz tone check
(only for DVB-S/S2 model)
▪ 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. 
4.8. Option selection per country
4.8.1. Overview
- Option selection is only done for models in Non-EU 
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.
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 check7.1. 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
- 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
8. AudioMeasurement 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
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 (8Ω
Impedance) 9 10 12 W