Download SENNHEISER EM100,300,500-G2.SM service manual & repair info for electronics experts Service manuals, schematics, eproms for electrical technicians This site helps you to save the Earth from electronic waste! Please contact service@sennheiser.co.uk for more information or repair of your main. SKM G1 G2 SKP100 G3 Surface mount sliding Switch. EM550 G2 Sennheiser EK 100 G2 A-B-C Sennheiser SKM.

• EM 100 G2 EM 300 G2 EM 500 G2 Short Description The three stationary receivers EM 100 G2, EM 300 G2 and EM 500 G2 ’ True Diversity receivers and are equipped with the HDX noise reduction system. Each receiver has a switching bandwidth of 36MHz in the UHF band. • If not observed the adaptor is legally liable for possible results of damage. Repairs/exchanges The following instructions for overhaul and testing must be followed. In case of unusual problems please contact your Sennheiser distributor.

EM 500 G2, EM 300 G2, EM 100 G2 2/. • Interconnector assignmet..27 Mainboard, component side.28 Mainboard, solder side..29 RF board, component side..30 RF board, solder side..31 Monitoring module: MOD.A020, component side.32 Monitoring module: MOD.A020, solder side.32 EM 500 G2, EM 300 G2, EM 100 G2 3/.

• Audio output jack socket (AF OUT UNBAL) ¸ RJ45 socket as service interface (DATA) ¹ BNC socket as antenna input 2 (ANT II) Type plate BNC socket, antenna input 1 (ANT I) EM 100 G2, EM 300 G2, EM 500 G2 08/2004 4/32. • EM 300 G2 68dB __________________________ ≥ EM 500 G2 70dB Intermodulation attenuation ≥ EM 100 G2 _____________________ 65dB __________________________ ≥ EM 300 G2 68dB __________________________ ≥ EM 500 G2 70dB EM 100 G2, EM 300 G2, EM 500 G2 08/2004. • Monitor output level/load _______________> 100mW/32 (only EM 500 G2 ' ______________________¼ AF outputs (6.3mm) jack socket Unbalanced XLR-3M, balanced Pilot tone Pilot tone frequency ______________32.768kHz ≥ Pilot tone deviation _______________ 1.5kHz EM 100 G2, EM 300 G2, EM 500 G2 08/2004 6/32. • AF signal is weakened by approx.

From the two outputs, the AF signal then reaches across various components to protect from ESD parasitic signals and phantom voltage at AF sockets P175 and J175. EM 100 G2, EM 300 G2, EM 500 G2 08/2004. • 2 x outgoing AF voltage to mainboard • 2 x RSSI voltage to mainboard. • Communication between the mainboard microprocessor and the EEPROM or the PLL for the RF module. EM 100 G2, EM 300 G2, EM 500 G2 08/2004 8/32. • R1), you must close the M1 solder bridge.

You must not close the M1 solder bridge if you are using the monitor module in stereo mode. EM 100 G2, EM 300 G2, EM 500 G2 08/2004.

• Exploded view Exploded view: EM 100 G2 EM 100 G2, EM 300 G2, EM 500 G2 08/2004 10/32. • Exploded view: EM 300 G2, EM 500 G2 EM 100 G2, EM 300 G2, EM 500 G2 11/. • PCB RF module Lens screw Flat cable, 15-pin Flat cable, 30-pin Knob (EM 500 G2 only) Socket BNC 50R Key cap ON/POWER Key cap UP/DOWN/SET Built-in plug XLR3M Lens screw EM 100 G2, EM 300 G2, EM 500 G2 08/2004 12/32. • EM x00 G2 DC IN DATA Laboratory power supply unit AF OUT RF IN 230.00 MHz AF level measuring device RF signal generator Oscilloscope Other measuring equipment Spectrum analyzer Multimeter EM 100 G2, EM 300 G2, EM 500 G2 13/. • TP231/ GND +4.8V to (+5V +5.2V – Operating voltage See 1.9 See 2.4 TP233/ GND +4.8V to (+5V +5.2V – Operating voltage See 1.9 See 2.4 TP229/ GND +5.8V to (+6V +6.2V EM 100 G2, EM 300 G2, EM 500 G2 08/2004 14/32. • 1 deviation: 48kHz +555mV R360 3.11 AF output See 3.1 Mod: on, with AF meter TP 8 +540mV Alignment via voltage, tuner 2 deviation: 48kHz +555mV R460 EM 100 G2, EM 300 G2, EM 500 G2 15/.

• 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. – RF display.

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• • Changing/resetting the receiver factory settings. 5.4.2 Required hardware You need the Sennheiser service set for unit data read-in and read-out. The service set contains for portable ew G2 units • an infrared adapter for reading out/in data from portable units (e. SK 100), for rack-mount ew G2 units •. • You have successfully written the new data to the unit. These new data now correspond to the new factory settings for your unit.

Your can find these data in “D: Sennheiser ew G2 service package“ in the files “Defaults.dat“ and “FreqTable.dat“ or alternatively “FreqTableIEM.dat“. • Circuit diagrams EM 100 G2, EM 300 G2, EM 500 G2 19/.