LG -A155 Service Manual page 13

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2. PERFORMANCE
Item
Description
13
Receiving Response
14
STMR
15
Stability Margin
16
Distortion
17
Side Tone Distortion
System frequency
18
(13 MHz) tolerance
19
32.768KHz tolerance
20
Ringer Volume
LGE Internal Use Only
2. SYSTEM SPECIFICATION
Specification
Frequency (Hz)
100
200
300
500
1,000
3,000
3,400
4,000
* Mean that Adopt a straight line in between 300 Hz
and 1,000 Hz to be Max. level in the range.
13 5 dB
> 6 dB
dB to ARL (dB)
-35
-30
-20
-10
0
7
10
Three stage distortion < 10%
2.5 ppm
30 ppm
At least 65 dBspl under below conditions:
1. Ringer set as ringer.
2. Test distance set as 50 cm
- 14 -
Copyright © 2010 LG Electronics. Inc. All right reserved.
Max.(dB)
Min.(dB)
-12
-
0
-
2
-7
*
-5
0
-5
2
-5
2
-10
2
Level Ratio (dB)
17.5
22.5
30.7
33.3
33.7
31.7
25.5
Only for training and service purposes

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