Wednesday, April 10, 2013

PHILIPS 42PF7320 - PLASMA TV - DISASSEMBLE PROCEDURE


ASSSY/PANEL REMOVAL
Caution: Disconnect the Mains/AC Power cord before you remove the rear cover.
  • Place the TV set upside down on a table top, using the foam bars.
Caution:do not put pressure on the display, but let the monitor lean on the speakers or the Front cover.
  • Remove all T10 screws around the edges of the metal rear cover: “parker” screws around the outer rim, “tapping” screws around the connector plate.
  • Remove the four "mushrooms" from the rear cover.
  • Lift the metal rear cover from the set. Make sure that wires and flat foils are not damaged.
SPEAKER COMPARTMENT COVER
After removing the metal rear cover, you gain access to the Speaker Compartment covers.
  • Remove all T10 screws [1] around the outer rim of the cover.
  • Remove the T10 screws [2] on top of the inner rim.
  • For sets with AmbiLight: Remove the T10 screws [3] at the bottom of the inner rim.
  • After removal of all the screws, slightly push the top of the cover inwards. This will lift the outer rim slightly up so you can take the cover out.
To release the complete cover (only for models with the AmbiLight feature, as in figure above):
  • Lift the cover up; let it hinge at the topside.
  • Now, unplug the cables[1] at the AmbiLight Inverter panel.
AMBILIGHT INVERTER [IF PRESENT]
After removal of the Speaker Compartment Covers, this panel is accessible.
  • Disconnect the cable(s) from the panel.
  • Remove the T10 mounting screws [1] that hold the assy.
  • Take out the panel from its bracket [2].
CONTROL PANEL & SPEAKERS
  • After removal of the Speaker Compartment Covers, this panel is accessible. Release the clamps and take out the panel.
  • After removal of the Speaker Compartment Covers, you can access the speakers.
SIDE I/O PANEL
After removal of the Speaker Compartment Covers, this panel is accessible.
  • Disconnect the cable(s) from the panel.
  • Remove the T10 mounting screws [1] that hold the assy.
  • Take out the panel from its bracket [2].  When defective, replace the whole unit.
MULTIMEDIA CARD READER [IF PRESENT]
After removal of the Speaker Compartment Covers, this panel is accessible.
  • Unplug the related USB cable at the top of the SSB.
  • Remove the two T10 mounting screws [1] that hold the assy.  When defective, replace the whole unit.
AUDIO AMPLIFIER PANEL
  • Disconnect all cables from the Audio Amplifier panel.
  • Remove the T10 mounting screw from the Audio panel.
  • Release the two plastic fixation pins.
  • Take out the Audio panel (it hinges at the top side).
LED PANEL
  • Disconnect the cable(s) from the panel.
  • Remove the T10 mounting screws that hold the panel.
  • Take out the panel.  When defective, replace the whole unit.
SMALL SIGNAL BOARD [SSB]
  • Remove all connector fixation screws [1] at the connector plate (bottom side), and at the shielding plate (rear side).
  • Remove the fixation screws [2] of the connector plate itself.
  • Remove all shielding fixing screws [3].
  • Slide the connector plate away from the SSB [4], and lift the shielding from the SSB.
  • Unplug all cables on the SSB.
  • Remove the mounting screws that hold the SSB, and lift the panel from the set.
PLASMA DISPLAY PANEL/GLASS PLATE
  • Remove the T20 display panel mounting screws [1].
  • Remove the T10 screws [2] from the mounting frame.
  • Unplug all cable(s): – LVDS cable at SSB side (fragile connector).  – SSB supply cables at the Main Supply board.  – Mains cable at the Main Supply board.  – Side I/O cable at SSB side (fragile connector).  – Cable at LED panel.  – Keyboard cable at SSB side.  – Audio Amplifier supply cable at the Main Supply board.  – Loudspeaker cables (incl. ferrites) at the Audio panel.
  • Lift the metal frame (together with all PWBs) from the display panel.
  • After removal of the frame, lift the PDP from the set.
PDP GLASS PLATE
In order to remove/exchange the PDP glass plate:
  • Remove the PDP as described earlier.
  • Remove the T10 screws [1] from the mounting frame.
  • After removal of the frame, you can lift the glass plate from the set.
  • While re-assembling, make sure that all cables are placed and connected in their original position.
  • Pay special attention not to damage the EMC foams on the SSB shields. Ensure that EMC foams are mounted correctly.