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Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
2. Take off nylon bands or wire holders where they need to
be removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
3. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
AV Control Unit
REMOVAL
STEP
1
Top Cabinet
1. Screw ...................... (A1) x5
2
Bottom Cabinet
1. Leg Cushion ............ (B1) x4
2. Screw ...................... (B2) x4
3. Screw ...................... (B3) x3
3
Rear Panel/
1. Screw ...................... (C1) x9
Tuner Unit
2. Flat Cable ............... (C2) x1
4
DSP PWB
1. Screw ...................... (D1) x2
2. Top Support Bracket ...... (D2) x1
3. Screw ...................... (D3) x2
4. PWB Holder ............ (D4) x1
5. Flat Cable ............... (D5) x3
5
Main PWB
1. Screw ...................... (E1) x4
6
Front Panel
1. Screw ....................... (F1) x4
2. Hook ......................... (F2) x2
7
Display PWB
1. Screw ...................... (G1) x6
Front Panel
(B2)x4
ø2x6mm
(B1)x4
Figure 5-1
DISASSEMBLY
PROCEDURE
FIGURE
5-1
5-1
5-2
5-2
5-3
5-3
5-3
5-4
Top Cabinet
(B3)x3
ø3x8mm
(A1)x5
ø3x8mm
Bottom Cabinet
(D1)x2
ø3x8mm
Front Panel
DSP PWB
(D5)x2
DSP PWB
(E1)x2
ø3x10mm
Front
Panel
Lug Wire
(F1)x2
ø3x8mm
(F2)x1
(D4)x1
Front Panel
– 5 –
(D2)x1
Tuner Unit
(C2)x1
(C1)x7
ø3x8mm
Bottom Cabinet
Figure 5-2
(D5)x1
(D3)x2
ø3x10mm
(F2)x1
Push
Main PWB
Figure 5-3
Display PWB
Figure 5-4
SD-AT50
Rear Panel
(C1)x2
ø3x8mm
(F1)x2
ø3x8mm
(E1)x2
ø3x10mm
(G1)x6
ø3x10mm
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