LG 32LN540B-CN Service Manual page 31

LGE
Establish : 12/08/31
Reform: 12/08/31
14 Pilot Detection Sensitivity, Dual/Stereo
15 Audio Balance Characteristic, L/R
16 Audio Balance Deviation, L/R
17 Output Level at Volume 30%
18. Auto Volume Level
* Must Turn off all Equalizer setting of the
source player
19 Clear Voice II
* Must Turn off all Equalizer setting of the
source player
Display Division
NetCast 4.0 Low LC36B Product Specification
-70.0 dBm
50.0 mV
-1.5 0.0 1.5 dB
0.232 0.281 0.362 W
3 6 9 dBu
1 4 7 dBu
9 12 15 dBu
7 10 13 dBu
Level Min Typ. Maz Unit
-6 -16.0 -10.0 -4.0
-5 -13.5 -9.0 -4.5
-4 -11.0 -7.0 -3.0
-3 -7.5 -5.0 -2.5
-2 -6.5 -4.0 -1.5
-1 -3.3 -2.0 -0.7
0 0.5
1 0.6 1.6 2.6
2 1.25 3.25 5.25
3 2.2 4.7 7.2
4 3.0 6.0 9.0
dBr
5 3.7 7.2 10.7
6 4.2 8.2 12.2
-6 -17.0 -10.0 -3.0
-5 -15.0 -9.0 -3.0
-4 -12.0 -7.0 -2.0
-3 -9.0 -5.0 -1.0
-2 -7.0 -4.0 -1.0
-1 -3.5 -2.0 -0.5
0 0.5
1 0 2.0 4
2 0.5 3.0 5.5
*PEQ 1KHz_sine.wav
On/Off **
*PEQ Whitenoise_max.wav
On/Off (mp3)
*PEQ Off Whitenoise_min.wav
(mp3)
*PEQ ON Whitenoise_min.wav
(mp3)
LG(51)
27
At Weak electric field,
Measure Stereo /Dual Signal operating point
Audio balance operation check
FM 300% over modulation,
Distortion valuation
<Test condition>
1. Before the Test (PEQ off )
Source Output Level: 250mVrms±10mV
TV Set Output Level: 450mVrms±10mV
*PEQ: Parametric Equalize
2. Clear Voice Off
3. WhiteNoise_Min/Max.wav Check case
- Specific area flat (under ±1dBu)
** Check the highest point
<Test condition>
1. Before the Test (PEQ off )
Source Output Level: 250mVrms±10mV
TV Set Output Level: 450mVrms±10mV
*PEQ: Parametric Equalize
2. AVL Off
3. Clear Voice Step:Off, +6 ~-6(13 Steps)
4. Test Source:
ClearVoice_SweepTest3.wav(mp3)
*From +3 to -3 see just its position not value.
LG
47