Service manual

SD-EX200
– 6 –
1 Rear Cabinet 1. Screw ...................... (A1) x7 6-1
2 Main PWB/ 1. Screw ...................... (B1) x4 6-2
Tuner Unit 2. Jack Cover, Left ...... (B2) x1
(Note) 3. Screw ...................... (B3) x8
4. Socket ..................... (B4) x9
5. Flat Cable ............... (B5) x1
3 Front Panel 1. Screw ...................... (C1) x3 6-3
2. Hook ........................ (C2) x1
3. Socket ..................... (C3) x1
4 Power PWB 1. Screw ...................... (D1) x6 6-3
2. Bracket .................... (D2) x1
5 1-Bit Amp. Unit 1. Screw ...................... (E1) x4 6-3
6 Display PWB 1. Screw .......................(F1) x6 6-4
2. Frame Support .........(F2) x1
3. Screw .......................(F3) x6 7-1
4. Socket ......................(F4) x2 6-4, 7-1
7 Headphones PWB 1. Screw ...................... (G1) x1 6-4
8 Switch PWB 1. Screw ...................... (H1) x1 7-1
9 CD Mechanism 1. Screw ....................... (J1) x6 7-1
10 Protect Circuit 1. Screw ...................... (K1) x2 7-2
PWB/1-Bit Amp. 2. Screw ...................... (K2) x2
Shield Case 3. Bracket .................... (K3) x1
4. Screw ...................... (K4) x3
11 1-Bit Amp. PWB 1. Screw ....................... (L1) x3 7-3
DISASSEMBLY
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3. 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.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
Figure 6-2
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 6-1
Figure 6-3
SD-EX200
(A1)x4
ø3x10mm
(A1)x3
ø3x12mm
Rear
Cabinet
Front
Panel
(F4)x1
(F2)x1
(F1)x6
ø3x10mm
(G1)x1
ø3x10mm
Headphones
PWB
Front Panel
Figure 6-4
(B3)x1
ø3x8mm
(B3)x1
ø3x8mm
Main PWB
(B5)x1
(B4)x1
(B2)x1
(B4)x1
(B4)x4
(B4)x3
(B1)x4
ø3x10mm
(B3)x4
ø3x10mm
(B3)x1
ø3x8mm
(B3)x1
ø3x8mm
1-Bit Amp. Unit
Tuner Unit
Front
Panel
(C3)x1
(C1)x3
ø3x8mm
(E1)x2
ø3x6mm
(D1)x6
ø3x10mm
Power PWB
1-Bit Amp. Unit
(C2)x1
(E1)x2
ø3x10mm
(D2)x1
Front
Panel
Note:
1. After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the front end
of the connector so as to protect the optical pickup from electro-
static damage.