Philips PM2519 - Page 72

5-2
REPLACING PARTS
Liquid crystal display (Fig. 5.4. item 1), display unit N4 (Fig. 5.4. item 2), interconnection rubber (Fig. 5.4.
item 3) or function knob (Fig. 5.4. item 4).
Remove the front assembly.
Remove the three screws which attach N3 to the front (Fig. 5.4. item 5).
Remove the three screws of the screening. .
Remove the function knob by bending out the four hooks of the front plate (only for replacing the
function knob) (Fig. 5.4. item 8).
Remove the three screws from the display unit cover and the cover itself (Fig. 5.4. item 9).
Replace the defective component and mount the L.C.D. unit again as described above.
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NOTE 1: Make sure that the L.C.D., the display unit cover and the interconnection rubber are placed in the
most right hand position (Fig. 5.4. item 7).
NOTE 2: Do not touch the contacts of the L.C.D., the interconnection rubber and the display unit N4 with
the fingers.
Function switch (Fig. 5.4)
Remove the top- and bottom cover. Remove also the front assembly.
— Bend out the two hooks and remove the printed-circuit board (Fig. 5.4. item 6).
The function switch consist of:
+ 2 slide bodies
- 4 springs
- 4 switch contacts
Remove the screws and nuts from the slide bodies. The bodies can now be lifted from the printed-circuit
board.
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NOTE: The slide body is stocked complete with springs and switch contacts.