Friday, June 21, 2013

AKAI REAR PROJECTION TV - PT4250AX - [RPTV] - HOW TO OPEN AND REPLACE ASSEMBLIES - TROUBLESHOOT


OPENING BACK COVER
Remove all indicated screws on the rear side of the Set.
Repair or replace the required Assembly
REPAIRING AND REPLACING CRT-PCB
Remove all indicated screws and open the Rear Cover.
Remove the front panel and Power control.
Repair the front PCB-CRT or replace it after removing the attached connectors.
REPLACING CRT
The Back Cover is detached as illustrated below (refer to the Opening Back Cover).
Remove the screws indicated and detach the Top Cover.
Remove the Dust Cover that prevents dust from entering into the screen.
Before proceeding, disconnect all the DY and Connectors connected to the assembly.
Remove the 4 corner screws from the CRT and replace the CRT.
REPAIR - NO SOUND
REPAIR - NO VIDEO [SOUND NORMAL]
CLICK ON PICTURES TO ZOOM