Sennheiser SK 100 G2 Service Manual
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Sennheiser SK 100 G2 Service Manual

Bodypack transmitter
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See also: Instructions for Use Manual
SK 100 G2

Short description

The SK x00 G2 bodypack transmitter has 8 channel banks with up to 20
preset channels (presets) and one freely adjustable frequency bank. With a
switching bandwidth of 36MHz 1440 frequencies can be selected in the
UHF band.
Features
•
Pilot tone squelch for interference-free operation
•
Mute function
•
HDX compander system
•
Charging contacts integrated in transmitter (does not apply to SK 100 G2)
•
Backlighting of display with one keystroke
•
Battery status display
•
Robust metal housing
•
Key-lock function
Service manual
SK 300 G2
Sennheiser electronic GmbH & Co. KG • 30900 Wedemark
Phone: +49 (5130) 600 0 • Fax: +49 (5130) 600 300
SK 500 G2
SK 100 G2
SK 300 G2
SK 500 G2
SA 280205
1/27

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Summary of Contents for Sennheiser SK 100 G2

  • Page 1: Short Description

    Pilot tone squelch for interference-free operation • Mute function • HDX compander system • Charging contacts integrated in transmitter (does not apply to SK 100 G2) • Backlighting of display with one keystroke • Battery status display • Robust metal housing •...
  • Page 2 The following instructions for overhaul and testing must be followed. In case of unusual problems please contact your Sennheiser distributor. For safety reasons unauthorised modifications and changes are not permitted. SK 100 G2, SK 300 G2, SK 500 G2...

  • Page 3: Table Of Contents

    Mainboard, printed circuit board, solder side ............26 Mainboard, printed circuit board, component side........... 26 RF board, printed circuit board, component side ............27 RF board, printed circuit board, solder side..............27 SK 100 G2, SK 300 G2, SK 500 G2 02/2005 3/27...

  • Page 4: Controls And Indicators

    Lock mode icon (lock mode is º Battery compartment activated) ¾ Battery compartment cover º 4-step battery status display µ Unlocking button ¸ ON/OFF button ¹ LC display MUTE switch SK 100 G2, SK 300 G2, SK 500 G2 4/27 02/2005...

  • Page 5: Technical Data

    Dimensions in mm_____________________ 82 x 63 x 23 Weight incl. batteries __________________ approx. 200g Compliant with Europe _________________________CE 0682 USA ___________________________FCC ID: DMOB2EUVL Canada ________________________IC: 2099A-G2SK Japan _________________________R202Y2378511; R202Y2378512; R202B2378531; R202B2378532 SK 100 G2, SK 300 G2, SK 500 G2 02/2005 5/27...

  • Page 6: Af Characteristics

    Total harmonic distortion (at nominal deviation, 1kHz) ____________ ≤0.9% Signal-to-noise ratio (referring to peak deviation) ____________ 110dB(A) via HDX system Max. input voltage (peak deviation) Microphone_____________________ 1.8Veff (unw) Line __________________________ 2.4Veff SK 100 G2, SK 300 G2, SK 500 G2 6/27 02/2005...

  • Page 7: Rf Characteristics

    834-870 Number of frequency banks with preset channels (presets) SK 100 G2 ______________________ 8 banks with 4 channels each SK 300 G2 ______________________ 8 banks with 8 channels each SK 500 G2 ______________________ 8 banks with max. 20 channels Freely adjustable frequency bank...

  • Page 8: Exploded View

    Exploded view (SK 100 G2) (SK 300 G2, SK 500 G2) (SK 300 G2, SK 500 G2) (SK 100 G2) SK 100 G2, SK 300 G2, SK 500 G2 8/27 02/2005...
  • Page 9 Axle Antenna PCB RF Battery case PCB mainboard LC display complet Flat cable, 20 pin Slide button, black Rocker switch, black Knob Shielding cup Label Lens screw Slottet nut SK 100 G2, SK 300 G2, SK 500 G2 02/2005 9/27...

  • Page 10: Test And Alignment Instructions

    - If you feed in the MIC signal you have to ground the LINE connector of the phone jack - If you feed in the LINE signal you have to ground the MIC connector of the phone jack. SK 100 G2, SK 300 G2, SK 500 G2 10/27...

  • Page 11: Special Service Tools

    Special service tools Service set for service software ew G2 (Part-No. 094739) Infrared adaptor Verwendung im Kapitel: “Reading out / Changing of device data via infrared adaptor” on page 15 SK 100 G2, SK 300 G2, SK 500 G2 02/2005 11/27...

  • Page 12: Test Table

    LED LOW BAT threshold when has to flash powered by battery 2.6.4 Switch-off See 2.6.2 See 2.2 See 2.5 +2.0V LED LOW BAT threshold when has to flash powered by accupack SK 100 G2, SK 300 G2, SK 500 G2 12/27 02/2005...
  • Page 13 See 3.4.1 60dB(A) – to peak deviation Mod: OFF MUTE= „ON“ THD at nominal See 3.4 AF level meter See 3.4.1 0.08% to 1.2% – deviation THD measuring Mod: ON SK 100 G2, SK 300 G2, SK 500 G2 02/2005 13/27...
  • Page 14 See 3.5 AF display = „0“ nominal deviation Mod: ON – AF display at peak See 3.6 AF display = full deflection; deviation Mod: ON yellow "PEAK" LED is on. SK 100 G2, SK 300 G2, SK 500 G2 14/27 02/2005...

  • Page 15: Reading Out / Changing Of Device Data Via Infrared Adaptor

    Reading out / Changing of device data via infrared adaptor 4.5.1 Overview You may read out and change data via the infrared adaptor. The Sennheiser service software supports the following tasks you may want to perform: • Reading out the current software version and, if necessary, carrying out of a software update (file "*.s19").
  • Page 16 You have successfully written the new data to the device. These new data now correspond to the new factory settings for you device. You will find these data in the directory "D:\Sennheiser\ew G2 service pakkage" in the files "Defaults.dat" and "FreqTable.dat" or "FreqTableIEM.dat".

  • Page 17: Circuit Diagrams

    Circuit diagrams SK 100 G2, SK 300 G2, SK 500 G2 02/2005 17/27...

  • Page 18: Mainboard, Circuit Diagram, Part 1/3

    SK 100 G2, SK 300 G2, SK 500 G2 18/27 02/2005...

  • Page 19: Mainboard, Circuit Diagram, Part 2/3

    SK 100 G2, SK 300 G2, SK 500 G2 02/2005 19/27...

  • Page 20: Mainboard, Circuit Diagram, Part 3/3

    TP426 TP425 TP418 TP412 TP410 TP408 TP406 SK 100 G2, SK 300 G2, SK 500 G2 20/27 02/2005...

  • Page 21: Rf Board, Circuit Diagram, Part 1/2

    MUTE SK 100 G2, SK 300 G2, SK 500 G2 02/2005 21/27...

  • Page 22: Rf Board, Circuit Diagram, Part 2/2

    SK 100 G2, SK 300 G2, SK 500 G2 22/27 02/2005...

  • Page 23: Mainboard, Interconnector Assignment, Part 1/2

    SK 100 G2, SK 300 G2, SK 500 G2 02/2005 23/27...

  • Page 24: Mainboard, Interconnector Assignment, Part 2/2

    SK 100 G2, SK 300 G2, SK 500 G2 24/27 02/2005...

  • Page 25: Rf Board, Interconnector Assignment

    SK 100 G2, SK 300 G2, SK 500 G2 02/2005 25/27...

  • Page 26: Mainboard, Printed Circuit Board, Solder Side

    U200 R276 R416 R274 R272 TP228 R224 Q222 R399 R424 R214 TP226 R400 R402 C272 R210 R204 R216 R228 TP 2 J400 TP420 Mainboard, printed circuit board, solder side SK 100 G2, SK 300 G2, SK 500 G2 26/27 02/2005...

  • Page 27: Rf Board, Printed Circuit Board, Component Side

    C4 0 TP11 TP70 C4 2 TP30 TP72 C1 0 C12 C5 2 TP31 TP37 C4 6 C346 C3 3 89613 L RF board, printed circuit board, solder side SK 100 G2, SK 300 G2, SK 500 G2 02/2005 27/27...

This manual is also suitable for:

Sk 300 g2

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