Sunday, September 30, 2012

PHILIPS - DPTV305 DPTV305F DPTV310 DPTV315 DPTV330 DPTV330F DPTV335 DPTV340 DPTV345 _ Dis-assembly

PHILIPSDPTV305_DPTV305F_DPTV310_DPTV315_DPTV330_DPTV330F_DPTV335_DPTV340_DPTV345
DIS-ASSEMBLY PROCEDURES
NOTE: There is no need to the pals tic back back cover to service a PCB or speaker.
Upper Back Cover Removal
  • Remove 12 screws.
  • Remove three screws.
  • Lift cover up to dislodge from pegs, and remove the cover.
Lower Center Back Cover
  1. Remove 3 screws {B}.
  2. Remove 8 screws {C}
Service Position.  Unplug the AC cord from AC mains wall socket.  This service position exposes the entire bottom side of the Power Supply Panel [PSP], Large Signal Panel [LSB], and Small Signal Panel [SSM].  A major portion troubleshooting can be accomplished after completing this procedure.
Remove Lower Back Cover.
  • Remove 12 screws { B & C}
  • Loosen the Chassis Frame.  Remove 5 screws [D] that fasten the Chassis Frame to the Cabinet Bottom.
Service Position Detail -A
Remove Light Barrier.  Service Detail - B
  • Remove 2 screws from the left side - Light Barrier guide, and remove this guide.
  • Gasp the corners of the Chassis Frame and slide in towards out about an inch.  This is required in order that the three metal cleats holding the front edge of the Chassis Frame are released.
  • While holding the back edge of the Chassis Frame down, gasp the panel mounting Bracket and slightly lift the front of the Chassis Frame.
  • Service Detail -C
  • With the rear of the chassis slightly raised, slid the center chassis forward, just far enough that the Rear Jack Panel clears the left side mounting block.  
  • Service position detail - D
  • Now, lift the back edge of the Chassis Frame up while also lifting the front edge to slide forward into the Service Position
  • Service position detail - E
REAR JACK PANEL COVER
Complete all steps to make the Service Position proedure as described above.
  • With the Chassis loose from the cabinet bottom, and the entire chassis re positioned back towards the Cabinet Front, lift the left end of the Chassis Assembly in order to remove the previously hidden screw shown on the following detail.  This screw may be removed by using a 1/4" nut driver or a T20 Torx Driver.  In either case, and extension may be required in order to achieve the proper angle to the head of the screw.
  • Remove 2 screws from the left edge and upper left corner of the Rear Jack Panel Cover.  These two screws may be removed using a 1/4" nut driver.
  • Remove the nut around the 75 Ohm antenna input
  • Remove 10 more screws shown in the following using a Torx 10 Driver.
  • Disconnect 2 connectors from the top of the rear switch panel.  This panel fastens to the jack panel cover and may easily be removed or re connected once the jack panel cover is completely free of the chassis assembly.
  • Although all screws should now have be removed, care must be taken on core models featuring the HD input.  The jack panel cover has a plastic hook that clips into a hole on the the DVI panel.  Gently lift this hook while removing the jack panel.