JVC TH-M508 Service Manual page 23

3.3.13 Removing the lifter assembly
(See Figs.27 to 31)
• Prior to performing the following procedures, remove the tray
assemblies, DVD servo board, side (L) assembly and side (R)
assembly.
• When removing the DVD servo board, it is not necessary to re-
move the DVD servo board from the bracket.
(1) From the topside of the DVD changer mechanism assem-
bly, turn the gear 1 clockwise to move the lifter assembly
upward. (See Figs.27 and 28)
(2) Turn the gear 2 clockwise to move the hook toward the
front until it stops. (See Figs.27 and 28)
(3) Move the hook stopper in the direction of the arrow 2 while
pushing the tab y of the hook stopper to unlock it in the di-
rection of the arrow 1 and release four joints z to detach
from the rack holder. (See Fig.29)
(4) Release the rod from part aa. (See Fig.29)
(5) Turn the gear 1 clockwise again to move the lifter assembly
upward. (See Fig.30)
(6) Remove the lifter assembly from the DVD changer mecha-
nism assembly upward at the positions ab where the four
pins on the both sides of the lifter assembly fit to the notch-
es of the chassis assembly. (See Fig.30)
(7) Move the lifter assembly in the direction of the arrow and
release it from the hook. (See Fig.31)
Hook stopper
Hook
Lifter assembly
Gear 1
Gear 2
Hook stopper
Gear 2
Gear 1
Fig.27
Lifter assembly
Hook
Fig.28
Hook
Joint z
1
Joint z
Tab y
Rack holder
Joint z
Hook stopper
Fig.29
Lifter assembly
Gear 1
Chassis assembly
Fig.30
Lifter assembly
Hook
Fig.31
Joint aa
Rod (L)
Joint z
2
Joints ab
Joints ab
(No.MB294)1-23