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Subwoofer/Amplifier Unit
REMOVAL
STEP
1
Rear Cover
1. Screw .................... (A1) x16
2
Subwoofer Stand 1. Screw ...................... (B1) x8
3
Amp. Unit
1. Screw ...................... (C1) x5
2. Socket ..................... (C2) x2
4
Power PWB
1. Screw ...................... (D1) x4
2. Socket ..................... (D2) x5
5
Limit PWB
1. Screw ...................... (E1) x2
6
1-Bit Amp. Unit
1. Screw ....................... (F1) x8
7
1-Bit Amp. Cover 1. Screw .................... (G1) x15
8
1-Bit Amp. PWB
1. Screw ...................... (H1) x6
9
Subwoofer
1. Screw ....................... (J1) x4
Front Panel
Subwoofer
Stand
(A1)x2
ø3x8mm
(B1)x4
(A1)x2
ø4x16mm
ø3x8mm
(A1)x1
ø3x12mm
Figure 7-1
Subwoofer
Box
Figure 7-2
PROCEDURE
FIGURE
7-1
7-1
7-2
7-2
7-3
7-3
7-3
7-4
7-5
8-1
Rear Cover
(A1)x4
ø3x16mm
(A1)x5
ø3x12mm
(A1)x2
ø3x16mm
(B1)x4
ø4x16mm
Power PWB
(C2)x2
(D1)x4
ø3x8mm
(C1)x5
ø3x20mm
1-Bit Amp. Unit
(F1)x1
ø3x8mm
(D2)x1
(D2)x2
(F1)x1
ø3x8mm
(F1)x2
ø3x8mm
(G1)x1
ø3x8mm
(G1)x1
ø3x12mm
(G1)x1
ø3x12mm
(G1)x2
ø3x12mm
1-Bit Amp. Cover
(H1)x3
ø3x8mm
1-Bit Amp. PWB
– 7 –
SD-AT50H
(F1)x2
ø3x8mm
Limit PWB
(D2)x1
(E1)x1
ø3x8mm
(E1)x1
ø3x10mm
(D2)x1
(F1)x1
ø3x8mm
Power PWB
(F1)x1
ø3x10mm
Figure 7-3
(G1)x3
ø3x12mm
Washer
Figure 7-4
Be careful of the
silicon grease.
(H1)x3
ø3x8mm
Figure 7-5
(G1)x3
ø3x12mm
Washer
(G1)x1
ø3x12mm
(G1)x3
ø3x12mm
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