LG 26LQ630H, Service Manual, Page: 11 / 41

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Only for training and service purposes
5.5. Option selection per country
5.5.1. Overview
(1) Option selection is only done for models in Non-USA North
America due to rating
(2) Applied model: LA2AC Chassis is applied in USA
5.5.2. Method
(1) Press ADJ key on the Adj. R/C, and then select Country
Group Menu
(2) Depending on destination, select KR or US, then on the
lower Country option, select US, CA, MX.
Selection is done using +, - KEY
5.5.3. Tool Option inspection
▪ Press Adj. key on the Adj. R/C, then select Tool option.
Model Module Tool 1 Tool 2 Tool 3 Tool 4 Tool 5 COM-
MERCIAL
OPTION
22LQ630H-UA 8196 10250 53289 2564 256 114 1034
26LQ630H-UA 12288 10251 53291 2564 268 114 1034
32LQ630H-UA 16384 10251 53291 2564 256 114 1035
5.7. Ship-out mode check (In-stop)
▪ After final inspection, press In-Stop key of the Adj. R/C and
check that the unit goes to Stand-by mode
6. GND and HI-POT Test
6.1. GND & HI-POT auto-check preparation
(1) Check the POWER CABLE and SIGNAL CABE insertion
condition
6.2. GND & HI-POT auto-check
(1) Pallet moves in the station. (POWER CORD / AV CORD is
tightly inserted)
(2) Connect the AV JACK Tester.
(3) Controller (GWS103-4) on.
(4) GND Test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, execute next process (Hi-pot test).
(Remove A/V CORD from A/V JACK BOX)
(5) HI-POT test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, GOOD Lamp on and move to next process
automatically.
6.3. Checkpoint
(1) Test voltage
- GND: 1.5KV/min at 100mA
- SIGNAL: 3KV/min at 100mA
(2) TEST time: 1 second
(3) TEST POINT
- GND Test = POWER CORD GND and SIGNAL CABLE GND.
- Hi-pot Test = POWER CORD GND and LIVE & NEUTRAL.
(4) LEAKAGE CURRENT: At 0.5mArms
7. AUDIO
No Item Min Typ Max Unit
1. Audio practi-
cal max
Output, L/R
(Distor-
tion=10%
max Output)
6.3 7.0 8.4 W Measurement
condition
EQ Off
AVL Off
Clear Voice Off
7.09 7.48 8.19 Vrms
2. Speaker
(8Ω Imped -
ance)
5.0 15.0 W Measurement
condition
EQ On
AVL On
Clear Voice On
● Measurement condition:
(1) RF input: Mono, 1KHz sine wave signal, 100% Modulation
(2) CVBS, Component: 1KHz sine wave signal 0.4Vrms
(3) RGB PC: 1KHz sine wave signal 0.7Vrms
8. USB Boot file Download
(Option, Service only)
(1) Execute ISP program “Mstar ISP Utility” and then click
“Config” tab.
(2) Set as below, and then click “Auto Detect” and check “OK”
message. If “Error” is displayed, Check connection
between computer, jig, and set.
(3) Click “Read” tab, and then load download file (XXXX.bin)
by clicking “Read”
(4) Click “Connect” tab. If “Can’t ” is displayed, Check
connection between computer, jig, and set
(5) Click “Auto” tab and set as below
(6) Click “Run”.
(7) After downloading, check “OK” message
(1)
filexxx.bin
(2) (3)
Please Check the Speed
To use speed between
from 200KHz to 400KHz