LGE Display Division LG(51)
Establish : 12/08/31 26
Reform: 12/08/31 47
LG
전자
NetCast 4.0 Low – LC36B Product Specification
10. Audio
All measurement should be implemented with following condition
Model
R&D Spec
Condition
32/39/42/47/55LN5400
10W + 10W
-EQ OFF (at SVC Menu) with Dummy Load (8ohm)
-Sound mode: Standard / Picture mode: Vivid
-Auto volume : Off
No
Item
Min
Typ
Max
Unit
Measurement condition
Remark
1
Audio practical max Output, L/R
9
10
12
W
EQ Off/AVL Off
Clear Voice Off
9
10
12
W
RF Audio Output
(RF 1kHz
100% modulation)
9
10
12
W
AV Audio Output
(1KHz 0.4Vrms)
9
10
12
W
PC Audio Output
(1KHz 0.7Vrms)
2.
Speaker (8Ω Impedance)
10
15
W
3.
Audio S/N Ratio
Mono/L,R
40.0
dB
Audio S/N Ratio
4.
Audio Buzz P/S Ratio
30.0
dB
IF Modulator P/S Ratio variable
: S/N = 30dB, P/S Ratio
5.
Audio Noise Limited
Sensitivity
Mono
-80.0
dBm
S/N = 30dB,
Input electric field intensity
Stereo
-70.0
6.
Audio Frequency
Response, Low
L/R
80.0
Hz
Frequency Response, Low
7.
Audio Frequency
Response, High
L/R
7.0
10.0
15.0
KHz
Frequency Response, High
8.
Audio Bass/Treble Characteristic, L/R
3.0
6.0
9.0
dB
By operating Tone control,
Sound quality control ability
9.
Audio THD, L/R
2.0
%
Measure harmonic content in signal
10
Audio Max Distortion
20.0
%
11
Audio Residual Hum, L/R
12.5
uW
By adjusting Power Frequency ripple or AM
Modulation,
High Frequency Output
12
Dual Sound Crosstalk, Main/Sub
45
-45.0
dB
Dual Sound Crosstalk, Main/Sub
13
Stereo Separation, L/R
25.0
dB
Stereo Separation, L/R
