SM-SX1 (serv.man2). (including circuit diagrams and s) - Sharp Audio Service Manual (repair manual). Page 6

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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.

1

Top Panel

1. Hexagon Screw ...... (A1) x5

6-1

2

Side Panel

1. Hexagon Screw ...... (B1) x6

6-2

(Left/Right)

3

Front Panel

1. Screw .................... (C1) x4

6-2

2. Socket ................... (C2) x1

4

Rear Panel

1. Screw .................. (D1) x16

6-2

2. Socket ................... (D2) x2

5

Side Bracket

1. Screw ................... (E1) x14

6-3

(Left/Right)

2. Socket .................... (E2) x3

6

Front Bracket

1. Screw ..................... (F1) x1

7-1

2. Nut .......................... (F2) x1
3. Screw ..................... (F3) x8
4. Socket .................... (F4) x1

7

Shield Cover A

1. Screw .................... (G1) x4

7-2

8

Shield Cover B

1. Screw .................... (H1) x4

7-2

9

Microcomputer

1. Socket .................... (J1) x2

7-3

PWB

2. PWB Holder ........... (J2) x4

10

Main PWB

1. Screw ..................... (K1) x5

7-3

2. Socket .................... (K2) x5

11

Power PWB

1. Screw ..................... (L1) x8

7-4

2. Screw ..................... (L2) x2
3. Socket .................... (L3) x2

12

AC Input Filter

1. Screw .................... (M1) x1

7-4

PWB

2. PWB Holder .......... (M2) x3

13

Input Source PWB 1. Screw .................... (N1) x1

7-4

14

1 Bit Amp. PWB

1. PWB Holder ........... (P1) x4

7-4

15

Selector Switch

1. Screw .................... (Q1) x5

7-5

PWB

2. Socket ................... (Q2) x1
3. Claw ...................... (Q3) x2

16

Segment PWB

1. Screw ...................... (R1) x4

7-5

2. Claw ...................... (R2) x4

(A1)x5
ø4x6mm

(B1)x3
ø3x8mm

(B1)x3
ø3x8mm

Top Panel

Front Panel

Side Panel
Right(Right)

Side Panel
(Left)

Rear Panel

(D1)x13
ø3x6mm

(D1)x2
ø3x6mm

(D1)x1
ø3 x6mm

(C1)x2
ø3x8mm

(C1)x2
ø3x8mm

(C2)x1

(D2)x1

Front
Panel

Rear Panel

Shield
      Plate

Power Filter
PWB

(D2)x1

Speaker
Relay PWB

Microcomputer
PWB

(E1)x5
ø3x6mm

(E1)x2
ø3x6mm

(E1)x2
ø3x6mm

(E1)x5
ø3x6mm

Side Bracket
(Left)

Side Bracket
(Right)

(E2)x3

Input Source
PWB

Microcomputer
PWB