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Assembly instruction

Status: 03.05.2022

Mercedes E-Class
W124 Doorboard

Art. No. 75170

Jehnert Sound Design I Im Michelreis 14 I 72124 Pliezhausen I phone: 07127-93457-0 I [email protected] I www.jehnert.de

Self-help and troubleshooting

What can it be ...

Possible cause / solution

if it doesn‘t sound right

Woofer polarity reversed ( page 10)
Crossover incorrectly connected ( page 11)
Door trim and rain protection foil
not cut out ( page 5+10)
Amplifi er too little power ( page 13)
Amplifi er connection

to explain „step by step“.

Fixed points door panel adjustment ( page 6)
Mounting the panels on the TV ( page 7)

Covers do not adhere

Observe notes page 12

Vibration noise

Insulation see notes page 6

The following instructions are intended to help you correct errors or malfunctions yourself.
If the following remedies do not work, please call us:

Содержание 75170

Страница 1: ...ASSEMBLY INSTRUCTION 75170 MERCEDES E CLASS SEDAN W124 ...

Страница 2: ... Disassembly of the door panel 3 Disassembly of the original card pocket 4 Machining the door panel 5 Door panel insulation 6 Crossovers loudspeaker cables midrange tweeter mounting 7 Mounting the door panel on the vehicle doors 8 Panel mounting on the vehicle doors 9 Loudspeaker connection Loudspeaker connection wiring diagram 10 11 Mounting the speaker covers 12 Technical information 13 Service ...

Страница 3: ...ver panels covered right left 2 Tweeter 26 mm 2 Midrange 100 mm mounted with mounting ring 2 Adapter ring for midrange and tweeter 2 Woofer 165mm 4 Crossovers right left 2 Small parts bag Checklist screws M4x45 4 screws M4x70 4 Lens head 3 9x19 4 Lens head 3 9x16 4 small washer 8 M4 Nuts 8 The products were carefully packed and checked for completeness In the event of shortages damage or defects p...

Страница 4: ...3 mirror triangle Unclip the cover from the top of the door frame and pull it out upwards 4 cover on the inside door actuator and unscrew the screw on the inside of the handle 5 unhook the linkage from the door handle and press the inner door actuator and remove 6 window crank plastic cover out of the guide according to the arrow fig and and pull it off the shaft 7 remove the cover on the door loc...

Страница 5: ...pocket This makes a very simple and problem free later retrofitting is possible 2 1 Place the door panel on a flat surface with the rear side facing upwards 2 2 The map pocket is fixed at the lower edge with 2 plastic rivets on the back of the on the back of the door trim Drill these out carefully 2 3 Push the plastic holders of the map pocket at the lower edge forward to the front At the same tim...

Страница 6: ...eakers attached to the panel to secure them for transport Keep the screws for later assembly 3 3 Place the panel without loudspeakers on the door panel and align it see fixed point lines page 9 3 4 Mark the loudspeaker openings on the door panel The size of the cut outs should be identical to the cut outs in the panel 3 5 Remove the panel again Mark the cutouts for the speaker openings see illustr...

Страница 7: ...he door panel outer door skin see example below By tapping the vehicle door vibration noises from door mechanism parts e g Bowden cables etc and wiring harnesses and cover them with foam felt Foam rubber or similar Cut off protruding cable ties rattling noises Stick felt or foam under the original wiring harness Key Recommendation Due to the use of 2 x 165mm woofer per side the oscillations of the...

Страница 8: ...shboard or behind the footwell trim on the passenger side Insert midrange tweeter with the supplied adapter rings in the dashboard instead of the factory speaker 4x 3 9x16 Lens head 5 2 1 Run 1 x speaker cable 1 5 4 mm2 from the amplifier to the crossover 5 2 2 Lead 1 x speaker cable 1 5 4 mm2 from the crossover into the vehicle doors cf connection diagram page 11 IMPORTANT Vehicle doors Loosen ra...

Страница 9: ...d pocket These are not used The panels replace the factory map pocket The panel fastening see p 9 is used to fasten the lower part of the door panel is fastened to the inner door panel 6 2 hang linkage on door handle and insert inner door panel 3 slots 6 3 Fasten the handle on the inside with a screw TIP The screw on the handle is microencapsulated It must either be replaced or screwed in with scr...

Страница 10: ...ax and sheet metal screws directly through the panel and door trim into the inner door panel Caution When screwing in the screws make sure that no cables electrical or mechanical parts in the vehicle door are damaged electrical or mechanical parts in the vehicle door are damaged Secure the door panel with the door trim by screwing it in lightly Check fit once again and tighten screws carefully Onl...

Страница 11: ...woofer and wire all speakers to the crossover parallel circuit see p 11 for wiring diagram Final inspection after door panel assembly Check all functions of controls such as seat adjustment glove compartment opening window lifter etc check Note Before connecting all woofers to the crossover the polarity of all woofers should be checked on a 9 volt battery Pole of the FW input to from 9 V battery P...

Страница 12: ...E Class W124 Doorboard Art No 75170 Jehnert Sound Design I Im Michelreis 14 I 72124 Pliezhausen I phone 07127 93457 0 I sounddesign jehnert de I www jehnert de Loudspeaker connection circuit diagram Circuit diagram 3 way crossover 2x woofer Amplﬁ er ...

Страница 13: ...onto the panel in some places panel can be pressed tightly Cause The special shape of the door panels at this point and the resulting different material thicknesses of the cover panels resulting different material thicknesses of the cover panels Solution With an M 4 washer ø 20mm 3 under the Velcro plate this distance is easily and quickly compensated Removing the cover panels The cover panels can...

Страница 14: ...s on the radio bass treble loudness bass treble loudness etc to zero or neutral neutral Recommended amplifier power from 2x 100 200 Watt sinus 2 Ohm Sheet metal cutting work omitted Speaker cutouts per side 2 x 144mm max outer dimension woofer 165 mm per side max mounting depth woofer 70 mm Euro standard basket suitable door panel is retrofittable Sound systems 3 way 2 x 160 mm woofer side 1 x 100...

Страница 15: ...olarity reversed page 10 Crossover incorrectly connected page 11 Door trim and rain protection foil not cut out page 5 10 Amplifier too little power page 13 Amplifier connection to explain step by step Fixed points door panel adjustment page 6 Mounting the panels on the TV page 7 Covers do not adhere Observe notes page 12 Vibration noise Insulation see notes page 6 The following instructions are i...

Страница 16: ...ear or to interventions by third parties The warranty does not cover consequential damage or defects that reduce the value or usability of the or the usability of the panels sound system only insignificantly A warranty obligation is not triggered by damage caused by external influences caused by external influences Panels with additional or wrong mounting holes are excluded from exchange or incorr...

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