Sennheiser EM 100 G2 Service Manual download pdf (Page 14)

EM 100 G2, EM 300 G2, EM 500 G2

08/2004 14/32

5.3 Test table

Sequence Type of measure-

ment/adjustment

Signal input Settings Measuring

point/test

point

Required

value

Remarks

1 Visual inspection

1.1 Jack socket PHONES

(only EM 500 G2)

–– ––Contacts are

not twisted, no

hairline cracks

at the solder

points, no

mechanical

damage

1.2 Volume control

(only EM 500 G2)

–– ––See 1.1

1.3 왖왔, SET,

POWER/ON buttons

–– ––See 1.1

1.4 DC socket, DC IN

–– ––See 1.1

1.5 XLR socket

–– ––See 1.1

1.6 Jack socket

–– ––See 1.1

1.7 RJ45 DATA socket

–– ––See 1.1

1.8 BNC sockets

–– ––See 1.1

1.9 Monitoring of all

display elements

+12V

DC

at DC socket "POWER" = ON –– Monitoring of

all display

segments

1.10 Monitoring of the il-

luminated 왖왔, SET,

ON buttons

(not EM 100 G2)

See 1.9 See 1.9

–– –

2 Mainboard: current and voltage measurement

2.1 Standby See 1.9 "POWER" = Off

"VOL" = min. (R1)

"AF level" = max.

– 50mA Set laboratory

power supply

unit current

limiter to

I

ON

= 1A

2.2 Current consumpti-

on during operation

See 1.9 "POWER" = On

"VOL" = min. (R1)

"AF level" = max.

– 200mA See 2.1

2.3 Commissioning See 1.9 VOL = min. (R1)

AF LEVEL = max.

–– –

2.4 Operating voltage

(+12V

DC

)

See 1.9 POWER = On Mainboard,

solder side:

TP209 (+)

TP208 (-)

+12V

DC

–

2.5 Operating voltage

(+6V

DD

)

See 1.9 See 2.4 TP226/ GND +5.8V to

+6.2V

–

2.6 Operating voltage

(+5V

CC

)

See 1.9 See 2.4 TP231/ GND +4.8V to

+5.2V

–

2.7 Operating voltage

(+5V

SW

)

See 1.9 See 2.4 TP233/ GND +4.8V to

+5.2V

–

2.8 Operating voltage

(+6V

SW

)

See 1.9 See 2.4 TP229/ GND +5.8V to

+6.2V

–

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