Disassembly And Replacement Of Main Parts - Sharp DV-550U Service Manual

DV-550U

6. DISASSEMBLY AND REPLACEMENT OF MAIN PARTS

6-1. DISASSEMBLY
1. Remove five screws (A), and remove the cabinet.
Note: When assembling it, tighten the screws in order of 1 - 5 .
(Because the set may rise a little by tightening the screws.)
2. Remove two screws (B).
3. Remove one screw (C).
4. Release the hooks of the front panel at two places on both sides
and at three places on the bottom, and slide the front panel toward
you.
5. Disconnect the connectors (D) and (E).
6. Remove four screws (F) which installs the mechanical unit.
7. Disconnect the lead lines (G) and (H) and (J) from the main PWB
under the mechanism.
8. Remove two screws (K) on both sides of the terminal angle frame.
9. Remove three screws (L) which install the terminal/power PWB.
10. Remove five screws (M) and one screw (N) which install the
terminal block.
11. Remove two screws (P) of the display PWB.
12. Remove two screws (Q) of the decorative leg.
13. Push out the middle pin (R) of the setting leg in the direction
opposite to insertion. (Two places)
14. Remove two screws (S) which install the main PWB under the
mechanical unit.
15. Remove two screws (T) which install the volume PWB of the front
panel.
16. Remove the LED PWB and two holder screws (U).
17. Remove three screws (V) which install the operate PWB.
* The spacer and insulation seat under the indication tube of (W)
and (X) are bonded with both-side sticking tape.
(A) x2
1
(B) x2
Screw x3
Front panel
Mechanism
(S)
(L)
(P) x2
Display PWB
Volume PWB
(T) x2
LED PWB
6-1
(A) 5
2
Top Cabinet
4
(A) x2
3
(F) x4
(D)
(E)
(C)
Screw x2
(H)
(J)
Main PWB
(G)
(M) x5
(L)
(S)
(R) x2
(Q) x2
(X)
(W)
(U) x2
(V) x3
Operate PWB
(N)
(K) x2
Terminal/
Power PWB
(L)