Disassembly - Sharp SM-SX100 Service Manual

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.
REMOVAL
STEP
1 Top Panel B 1. Hexagon Screw
(2.5mm) ................. (A1) x2
2 Top Panel A 1. Hexagon Screw
(2.5mm) ................. (B1) x6
3 Side Panel, Sub 1. Screw .................... (C1) x4
(Left/Right)
4 Side Panel 1. Screw .................. (D1) x18 7-1, 7-2
(Left/Right)
5 Connect Bracket B 1. Screw ..................... (E1) x2
6 Connect Bracket A 1. Screw ................... (F1) x12
7 Shield Cover A 1. Screw .................. (G1) x14 7-3, 8-1
8 Shield Cover B 1. Screw .................. (H1) x12
9 Shield Cover C 1. Screw ..................... (J1) x7
10 Rear Panel 1. Screw ................... (K1) x14
2. Socket .................... (K2) x4
3. Soldering ................ (K3) x4
11 Digital PWB 1. Screw ..................... (L1) x5
2. Socket .................... (L2) x5
12 Main PWB/Power 1. Screw .................. (M1) x10
Support PWB 2. Hexagon Specer ... (M2) x5
3. Socket ................... (M3) x8 8-2, 8-5
13 Relay PWB 1. Screw .................... (N1) x3
14 Power Filter PWB 1. Screw ..................... (P1) x6
2. Socket .................... (P2) x2
15 Main Volume 1. Screw .................... (Q1) x6
PWB (Note 1) 2. Hexagon Screw
(1.5mm) ................ (Q2) x2
3. Nut ......................... (Q3) x1
16 Power Heat Cover 1. Hexagon Screw
(Note 1) (1.5mm) ................ (R1) x2
2. Screw .................... (R2) x8
17 Power Switch 1. Screw ................... (S1) x16
PWB/Power PWB
18 Bottom Panel 1. Screw ................... (T1) x13
19 1Bit Amp PWB 1. Screw .................... (U1) x8
20 Front Panel 1. Screw ..................... (V1) x6
21 LED PWB 1. Screw .................... (W1) x4
2. Socket ................... (W2) x1
22 Display Volume 1. Screw ..................... (X1) x1
PWB (Note 1) 2. Knob ....................... (X2) x1
3. Nut .......................... (X3) x1
4. Socket .................... (X4) x1
23 Front Panel 1. Screw .................... (Y1) 12
Bracket
24 Switch1 PWB/ 1. Screw ................... (Z1) x13
System Micro-
conputer PWB

DISASSEMBLY

PROCEDURE
FIGURE
7-1
7-1
7-1
7-2
7-3
8-1
8-1
7-3
8-5
8-2
8-2
8-2
8-2
8-2
8-3
8-3
8-4
8-5
8-6
8-7
8-7
8-7
8-7
Front Panel
(B1)x6
ø4x12mm
Top Panel A
(D1)x3
ø3x8mm
Side Panel
(Right)
Top Panel B
Side Panel
Sub (Right)
(E1)x2
ø3x6mm
Connect
Bracket B
(D1)x2
ø3x6mm
Side Panel
(Right)
(G1)x2
ø3x20mm
(F1)x2
ø3x6mm
Front
Panel
Shield
Cover A
(F1)x2
ø3x6mm
(F1)x4
ø3x6mm
Connect
Bracket A
– 7 –
SM-SX100
(D1)x3
ø3x8mm
(A1)x2
ø4x12mm
Side Panel
(Left)
Rear Panel
(C1)x4
ø3x14mm
Figure 7-1
Front
(D1)x2
Panel
ø3x6mm
Side Panel
(Left)
(D1)x4
ø3x10mm
Rear Panel
(D1)x4
ø3x10mm
Figure 7-2
(G1)x2
ø3x25mm
(F1)x4
ø3x6mm
(K1)x1
ø3x6mm
(K1)x2
ø3x6mm
Rear Panel
(K1)x2
(K1)x4
ø3x10mm
ø3x6mm
Figure 7-3
Side Panel
Sub (Left)
Connect
Bracket A
(K1)x5
ø3x6mm