42LA6150 (CHASSIS:LA33B) - LG TV Service Manual (repair manual). Page 14

Read LG 42LA6150 (CHASSIS:LA33B) Service Manual online

- 14 -
5.4. 3D Module inspection
5.4.1. Test equipment
(1)  Pattern  Generator  MSHG-600  or  MSPG-6100  (HDMI  1.4 
support)
(2) Pattern: HDMI mode (model No. 872, pattern No. 83)
5.4.2. Test method
(1) Start 3D pattern inspection
              Fig.1  <model No. 872, pattern No. 83>
(2) check the 3D patterm with 3D FPR Glasses or L/R Film.  
(3)  If 3D Module is correctly worked, The 3D FPR Glasses is 
change Color. 
      Left is Red. Right is Blue
5.5. . 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 output check
7.1. Audio input 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)
7.2. Specification
No
Item
Min
Typ
Max
Unit
Remark
1
Audio practi-
cal max 
Output, L/R
(Distor-
tion=10% 
max Output)
9.0
8.5
10.0
8.9
12.0
9.9
W
Vrms
(1)  Measurement 
condition
   -  EQ/AVL/Clear 
Voice: Off
(2)  Speaker (8Ω 
Impedance)
(3)  32/37/42/47/55/60 
INCH
2
Audio practi-
cal max 
Output, L/R
(Distor-
tion=10% 
max Output)
9.0
8.5
10.0
8.9
12.0
9.9
W
Vrms
(1)  Measurement 
condition
   -  EQ/AVL/Clear 
Voice: Off
(2)  Speaker (8Ω 
Impedance)
(3) 26 INCH
Page of 41
Display

Click on the first or last page to see other 42LA6150 (CHASSIS:LA33B) service manuals if exist.