Sennheiser HME 46-3 Service Manual page 13

Oscilloscope
Multimeter
Power supply
8-16V DC
Connector system cable
Cable -6
Connector cable -L (also cable HME 46-ATC)
Solder side
screen
bridge
white
14/25
Sine wave
generator
25 µF
220 ohms
470 ohms
Microphone test setup according to RTCA/DO-214
white
orange
brown
green
yellow
red
blue
screen
white
orange
brown
green
yellow
red
blue
screen
n. c. green
orange
2
3
4 9 1
8
10
5
6 7 blue
brown red
10
Cable connector´s pin alignment
SPL = 94 dB
Artificial
mouth
Nearfield sensitivity
Microphone Hi
Microphone Lo
Figure 2
Audio Hi left
Audio Hi right
Audio Lo left
Audio Lo right
not connected
Microphone Hi
Microphone Lo
Screen
Audio Hi left
Audio Hi right
Audio Lo left
Audio Lo right
not connected
Microphone Hi
Microphone Lo
Screen
1 Audio Hi right
2 Audio Lo right
3 not connected
4 Screen
Audio Hi left
5
6 Audio Lo left
7 Microphone Hi
8 Microphone Lo
9 Bridge to pin 10
Bridge to pin 9
Figure 3
6 mm (0.24 inch)
HME 46-3, HMD 46-3
02/2008