Sennheiser HMD 46-3, Руководство по обслуживанию

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HME 46-3, HMD 46-3
02/2008 7/25
3 Disassembly
3.1 Removal of the cable
Reference:
•
see “Exploded view HME 46-3 / HMD 46-3”, page 21.
1. Loosen the screws of the cable.
2. Remove the cable from the cable holder (110).
3.2 Disassembly of the cap
Reference: see “Exploded view HME 46-3 / HMD 46-3”, page 21
.
1. Remove the earpad (90) from the relevant cap (20 or -25).
2. Lift the sides of the discs (80), now the screws (70) are visible or remove the discs (80) from the
caps (20 or -25) completely if necessary.
3. Remove the screws (70).
4. Pull out the the resonator (60) with capsule.
5. Remove the center (50).
6. Remove the felt plate (40).
7. Unsolder the leads of the cable (TP1 to TP4) of the split headband (10) from the PCB,
see “Printed circuit boards”, page 19.
8. Unsolder the leads from the capsules (TP8, TP9), see “Printed circuit boards”, page 19 or see “Exploded
view of the system module”, page 23.
9. Unsolder the cable from the microphone arm (100 or -105) (TP5 to TP7)*.
10. Remove the cable holder (110) from the cap (20)*.
11. Remove the cap (20 or -25) from the split headband (10).
3.3 Disassembly of the cable
Reference: see “Exploded view cable -PTT-x”, page 25.
1. Remove the four screws (40) of the housing (10).
2. Open the housing (10, 30).
3. Remove the inserts (50).
4. Take out the PCB (60) and the cables (90, 100) of the housing (10).
5. Desolder the cables (90, 100) from the PCB (60).
* Only microphone side.