Sennheiser EM 100 G2 Manual de servicio descargar pdf (Pagina 16)

EM 100 G2, EM 300 G2, EM 500 G2

08/2004 16/32

3.12 Balanced RF output

voltage at 1kHz

peak deviation

Feed in via XLR socket ––+18dBu and

+6.1V

–

3.13 Unbalanced

RF output voltage

at 1kHz peak

deviation

Feed in via Jack socket ––+12dBu and

+3.0V

–

4Pilot tone

4.1 Pilot tone on RF signal generator at

ANT I: RF level: 1mV

FM1

Deviation: 24kHz

Mod: 1kHz

FM2

Deviation: 2kHz

Mod: 32.768kHz

Pilot tone: “ON“ XLR socket 10dBu

–

4.2 Pilot tone off RF signal generator at

ANT I: RF level: 1mV

FM1

Deviation: 24kHz

Mod: 1kHz

FM2

OFF

See 4.1 XLR socket no signal The display is

red illuminated

5 Monitor module (only EM 500 G2)

5.1 Monitor output

"PHONE"

Reduce deviation from

24kHz to 6kHz.

–––AF segments

1 to 2 bars

5.2 Monitor output

"PHONE"

+12V

at the

DC socket

oscilloscope at the relevant

PHONE connection:

Termination impedances,

32Ω in connector.

Gradually turn monitor control VOL to maxi-

mum, noting the sinus test signal. The signal

must increase cleanly and evenly, without dis-

tortion or drop-out, until it starts to clip.

5.3 Volume control +12V

at the

DC socket

"POWER" = On –– No "scratching"

is heard on

turning and

there is no tone

drop-out.

6 Display module

- The EM 100 G2 exhibits a change in the form of individual segments.

- The EM 300 G2 and EM 500 G2 exhibit consistent changes in color display.

6.1 RF display RF signal at ANT I

Mod: off

RF: 3µV

RF signal at ANT II

Mod: off

RF: 3µV

– EM 100 G2

EM 300 G2,

EM 500 G2

EM 100 G2

EM 300 G2,

EM 500 G2

AF segment, no bar

RF segments 2

± 1 bar

Diversity display I lights up

AF segment not visible

RF segments visible

Diversity display I lights up

AF segment, no bar

RF segments 2

± 1 bar

Diversity display II lights up

AF segment not visible

RF segments visible

Diversity display II lights up

6.2 RF display See 5.1

RF: 20µV

– EM 100 G2

EM 300 G2,

EM 500 G2

RF segment: 4 bars

RF segment: 25dB

6.3 RF display See 5.1

RF: 1mV

– EM 100 G2

EM 300 G2,

EM 500 G2

RF segments:end-scale

deflection

RF segments:end-scale

deflection

6.4 AF display at

nominal deviation

24kHz

Mod: off

– All AF display "0"

6.5 AF display at

nominal deviation

48kHz

Mod: off

– All PEAK

Sequence Type of measure-

ment/adjustment

Signal input Settings Measuring

point/test

point

Required

value

Remarks

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 31 32

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Sennheiser EM 100 G2 Manual de servicio Pagina 16

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