22LQ630H (CHASSIS:LA1EX) - LG TV Service Manual (repair manual). Page 11

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5.5. Option selection per country
5.5.1. Overview
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
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