Panasonic PT47WX51E - 47" PROJECTION TV Посібник з експлуатації - Сторінка 10
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Note: Board ground wires may have to be disconnected to disassemble some boards. All ground wires must be
reconnected using jumper leads, if necessary, before power is applied to PTV for service.
Speaker Grille Removal
The Speaker Grille is secured to the cabinet of the
PTV. Grip panel from the sides and middle upper part,
gently pull forward to remove. When reassembling,
make certain to firmly press on the panel where the
insertion points (5) are located, one at each corner and
one at the middle top edge.
Figure 7. Speaker Grille Removal.
Keyboard Removal
1. Remove the Speaker Grille. See Fig. 7.
2. Unplug the connectors from the Keyboard and
front A/V inputs assemblies. Remove the screws
affixing the Keyboard to the Frame assembly. Tilt
the Keyboard assembly upward and release it from
the screen frame assembly.
Speakers Replacement
1. Remove the Speaker Grille. See Fig. 7.
2. Each speaker is secured to the cabinet with (4)
screws.
3. Disconnect the R & L speaker lead connectors
from the speaker units.
Cabinet Back Lower Cover Removal
1. Remove (7) hex screws around the perimeter,
marked with arrows. See Fig. 8 for screws location.
2. Remove (3) screws from around the A/V terminal
board (marked with arrows).
Service Manual
Disassembly for Service
(Fig. 7)
(Fig. 8)
- 10 -
Screw count:
14 fasten the top back cover;
10 fasten the lower back cover
Figure 8. Cabinet Covers Removal
Cabinet Back Cover Removal
1. Remove the Cabinet Back Lower Cover. (Detailed
previously).
2. The top Back Cover (plastic shell) is secured with
(14) screws around its perimeter. See Fig. 8 for
screws location.
3. Be careful not to damage the mirror secured to the
underside of the Back Cover.
Mirror Removal
(Fig. 9)
The mirror is attached inside the Cabinet Cover.
Carefully remove the Cabinet Cover to access its
interior surface and remove the screws securing the
brackets that hold the mirror at the top and sides to the
mirror. See Fig. 9.
Screws (14 places)
Bracket (2 places)
Mirror
Cabinet Cover
(Inside view)
Figure 9. Mirror Removal
(Fig. 8)
Felt
Bracket
(2 places)
Felt