Sennheiser EVOLUTION WIRELESS G2 100, Service Manual

Page: 14 / 27

SK 100 G2, SK 300 G2, SK 500 G2
14/27 02/2005
3.9 Noise voltage
distance 2.4VDC via
battery contacts AF level meter;
Mod: OFF See 3.4.1
≥
40 dB
unw.peak
Tap on micro-
phone, press
buttons, touch
housing /
antenna
3.10 MIC/LINE input level
Note
Please pay attention to the pin assignment of the jack socket: See “Measuring set-up” page 10.
3.10.1 MIC input level at
nominal deviation 2.4VDC via
battery contacts;
AF generator at
MIC/LINE: 1kHz:
external filter ON:
20Hz and 20kHz
680mV
170mV
42mV
18mV
AF level meter
PILOT „OFF“
Set „SENSIT“ to
- 30dB
- 20dB
-10dB
0dB
See 3.4.1 ±24kHz
–
3.10.2 LINE input level at
nominal deviation See 3.9.1;
2100mV
700mV
270mV
120mV
AF level meter
PILOT „OFF“
Set „SENSIT“ ti
- 30 dB
- 20 dB
-10 dB
0 dB
See 3.4.1 ±24kHz
–
4 Measuring the pilot tone
4.1 Pilot tone frequency 2.4V
DC
via
battery contacts
AF level meter
Pilot tone: „ON“ See 3.4.1 32.766kHz
± 7.6Hz
–
5 Display module
Attention
The buttons S204, S206, S202, and S208 on the motherboard may be damaged, if you press them using sharp-edged or
pointed objects (e.g. the tip of a ballpoint pen). Only use objects with end-rounded tips that will not damage the buttons.
5.1 Visual inspection of
all display elements 2.4V
DC
via
battery contacts
„POWER“ = ON;
(press button for approx.
3 seconds)
– – –
5.2 Checking of
automatic display
deactivation See 5.1 See 5.1
–
Backlighting
switches off
after approx.
15 seconds
–
5.3 Display
Battery status
Number of bars: 0
Number of bars: 1
Number of bars: 2
Number of bars: 3
See 5.1
1.8V
DC
to 2.0V
DC
2.0V
DC
to2.3V
DC
2.3V
DC
to 2.6V
DC
2.6V
DC
to 3.0V
DC
See 5.1
–
0 bars
1 bar
2 bars
3 bars
–
Low battery
30 %
70 %
100 %
5.4 Display key-lock See 5.1 See 5.1;
Use „SET“ to activate the
key-lock
–
Key symbol is
displayed
–
5.5 Display „PILOT“ See 5.1 See 5.1
Use „SET“ to activate the
pilot tone
–
PILOT symbol
ist displayed
5.6 Display „MUTE“ See 5.1 See 5.1;
Press „MUTE“ button
–
MUTE symbol
is displayed
5.7 Display of audio
level See 5.1
AF signal to MIC/LINE See 5.1
–
AF display
5.8 AF display at
nominal deviation See 3.5
Mod: ON
–
All AF display = „0“
5.9 AF display at peak
deviation See 3.6
Mod: ON
–
All AF display = full deflection;
yellow "PEAK" LED is on.