Replacing The Connecting Cable - Sennheiser HD 280 PRO Disassembly/Assembly

2

Replacing the connecting cable

1. Remove the earpad [010] of the left/connecting cable side as shown on page 4.
2. Remove the lower screw of the acoustic unit.
3. Remove the cap. If necessary, put a small slotted screwdriver into the two notches (see page 2)
and lift the cap.
4. Carefully unplug the connecting cable [030].
5. Replace the connecting cable and assemble in reverse order. Observe the correct cable routing
Ensure that the cable will not damaged by the screw dome of the cap. Also ensure that the cable´s
kink protection and the connector PCB are completely even inserted. When you put the cap on the
acoustic unit, a clicking noise is hearable. Tighten the lower screw with a torque of 18 Ncm.
Red (right +)
White (left +)
Long socket side
of the kink protection
Blue (right –)
Black (left –)
!
Copper (Speaker right –)
Red (right +)
White (left +)
Speaker right
Speaker left
Top side
Cable connector
Red (Speaker left +)
Copper (Speaker left –)
Red (Speaker right +)
ASSY 160518 R01, Mar 2018, 3/4
4
!
.
Speaker left
Speaker right
Bottom side
HD 280 PRO