BOSE 270000-SM rev2 pages38-49 free download

File name 270000-SM_rev2_pages38-49.pdf

DISASSEMBLY PROCEDURES Console Procedures 2.4 Remove the ATAPI shield over the back of the DVD drive. If your unit has the folded CAUTION: The DVD drive mechanism should foil type, peel the foil back from the rear of not be closed by pushing it shut with no power the DVD mechanism until you can access applied to the console. Doing so could damage the cables. If you have the formed metal the drive. It must be closed with power applied shield, lift up the rear of the DVD mechanism so that the locking mechanism inside the drive and slide the shield off. Unplug the ATAPI will engage properly when the drawer is and power cables from the rear of the DVD closed. mechanism. Note: Refer to Figure 4 for the following 2.5 If you could not apply power to the procedures. console to remove the drawer bezel in step 2.3, lift up on the back of the DVD drive until 1. Top Cover Removal the DVD drawer bezel (27) pops off the front of the DVD drive drawer. You need to lift the 1.1 Place the console on the bench with the drive up quite a bit to get this to work. Once front facing toward you. On the rear of the the drawer extension is off, slide the DVD console and using finger pressure only, drive to the rear until it is out from under the press inward in the center of the rear panel edge of the bezel. just below the edge of the top cover (2). When you have pressed the rear panel in Re-assembly note: Be sure to install the approximately 1/4", lift upward on the top two Phillips-head screws (6) that were cover and release the pressure on the rear removed in step 3.5. These screws are used panel of the console. The finger in the center to align the drive with the console casting of the top cover should be sitting on top of (14). the corresponding latch hole in the rear panel. Once the center finger has cleared, lift 3. Main PCB Removal upward on the rear edge of the top cover until the four tabs to the sides clear the 3.1 Perform procedure 2. console rear panel. 3.2 Unplug the ribbon cable at J6500 on the 1.2 Slide the top cover to the rear of the main PCB (20). This cable runs to the dis- console approximately 1/2". Lift off the top play PCB (25). Carefully lift off the adhesive cover. foil strip from the casting. This strip runs