Thursday, January 18, 2018

How to re-assemble the CD changer mechanism – LG CM6520 Mini Hi-Fi system - cabinet exploded view

Be very careful when re-assembling the mechanism. Note the gear mechanism teeth positions. Even a slight change in teeth positions of the gear wheel might make serious damage to loading mechanism, when you Power ON the set.  
ORDER OF ASSEMBLY FOR MECHANISM DECK - Mini Hi-Fi System LG CM6520
Assemble the Loading Motor Assy to the Base Main.
(When assembling the Motor Assy, use the hook on the surface of the Base Main to preassemble, and then tighten the screws.) even a little change in the positions, might make more complicated damage to mechanism, when you power ON the set. Make a double or triple check, before power ON the set, after mechanism repair.
* Set the Guide UD on the Base Main.
* After setting the part, push it in direction 3. 
  Click on the pictures to zoom in
* Set the Gear Loading 1 and Gear Pulley 2 on the Base Main.
* Hang the belt between the Gear Pulley and Motor Pulley.
* Assemble the Clamp Disc, Clamp Magnet and Cover Plate to the Base Main.
->After setting the Gear Main 2, Gear Pu Up 3 and Gear Pu Down 4 on the Base Main, tighten the screws.
* After assembling the Gear Main, align the location as shown in Figure.
* After setting the Main PCB Assy on the Base Main, tighten the screw. (Set the part accurately on the hook)
* Solder the Motor Jump Wire on the PCB set on the Base Main.
* Set the Base Sled Assy on the Base Main.  (When setting the part, assemble with the CAM part of the Guide UD inserted in two locations of the Boss of Frame UD)
* Align the FFC to the Guide and connect the Harness Cable.
* After setting the Gear Tray, Tray Motor Assy and Loading PCB Assy on the Tray Loading, tighten the screw
* Assemble the Gear Tray CAM on the Tray Loading and set the Tray Disc.  (When assembling, check the location of the Gear Tray CAM and Tray Disc as shown in the Figure)
* Assemble the Tray Loading Assy on the Base Main Assy as shown in the Figure.
* After assembling, insert the Loading FFC to the 5 Pin Wafer of Main PCB Assy.
* After setting the Cover Guide Disc, tighten the screw.
Main cabinet exploded view - LG CM6520 Mini Hi-Fi System