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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
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Excellent printing quality. A complete and very useful manual with all details.
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This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
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Mi spiace per non poter scrivere in inglese... ma sono veramente soddisfatto del servizio offerto. Grazie..!!
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The quality of this manual is good. It has all schematics and setup information for both the MDS-B3 and the MDS-B4. The scan quality is quite good, all pages are readable, This service manual also contains scans of the operating instructions from the User manual.
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2.3.3 Removal/Reattachment of Acoustic absorbent pads
A
Removal/reattachment of acoustic absorbent pads is necessary before or after removal/reattachment of the Network Assy. Note: When reattaching the Network Assy for the midrange/tweeter, before reattaching the closure panel, be sure to remove the acoustic absorbent pads located behind the chamber. (See Fig. 2-11.) If the closure panel pinches an acoustic absorbent pad when it is secured, air leakage may occur, which may result in poor performance of this speaker system. 1. Acoustic absorbent pads around the input terminals 2. Acoustic absorbent pads inside the chamber for the midrange/tweeter
1 Remove this acoustic absorbent pad. When reattaching, lay it along the upper board inside the chamber.
B
1 Remove this acoustic absorbent pad. When reattaching, roll it and push it in under the reinforcing plate. As only this acoustic absorbent pad must be fixed with adhesive, before pushing it in, apply adhesive to the side board of the cabinet. (Adhesive: DIABOND black/GYL-014)
2 Remove this acoustic absorbent pad When reattaching, place it along the surface inside the chamber so that it forms a U shape.
Fig. 2-9: After the midrange/tweeter is removed (1)
Fig. 2-5: After the lower woofer is removed (1)
C
2 Remove this acoustic absorbent pad. When reattaching, push it in along the lower surface of the reinforcing plate. Fold the remaining part of the pad toward the bottom board side so that it forms an L shape. The cords from the input terminals must be pulled out from the upper side of the acoustic absorbent pad.
3 Remove this acoustic absorbent pad from the closure panel section. When reattaching, fold it in half lengthwise and push it in.
Fig. 2-10: After the midrange/tweeter is removed (2)
Fig. 2-6: After the lower woofer is removed (2)
D
3 Remove this acoustic absorbent pad. When reattaching, fold it in half lengthwise and push it in.
3. Acoustic absorbent pads around the Network Assy for the midrange/tweeter
4 Do not remove the acoustic absorbent pads around the Network Assy for midrange/tweeter. Remove the 2 rolled acoustic absorbent pads stuffed behind the space of the chamber for midrange
/tweeter.
Insert your hand in the direction of the arrow to remove.
Fig. 2-7: After the lower woofer is removed (3)
Removal/reattachment of the Network Assy for the midrange/ tweeter and of the closure panel must be done in this state.
E
In this state, remove or reattach the Network Assy.
Fig. 2-11: After the upper woofer is removed
When reattaching, lay one acoustic absorbent pad on another and roll them, and make 2 rolls of acoustic absorbent pads. Place one roll lengthwise, push it into the front of the top board of the cabinet, then push another beneath of the first one.
Fig. 2-8: After the lower woofer is removed (4)
F
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S-1EX
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