Sharp 27DV-S100 Service Manual page 14

27DV-S100
27DV-CS10
REPLACEMENT OF MAIN PARTS
<Take out disk>
1. Remove the mechanism with angle from the set (refer to 17 on PARTS LIST (See page 183)).
2. It is in such cases as the thin driver, and it is pushed in slowly, and a tray is drawn in the arrow direction the slide
rack on the left of the base chassis.
3. Take out disk.
<Disassembling and assembling the mechanism chassis>
1. After setting the mechanism chassis to the angle state, ground it to prevent the electrostatic discharge damage
of the pickup.
2. Remove the DVD shield (lower) 5 (refer to the illustration on PARTS LIST (See page 183)).
3. Remove the DVD main PWB unit 35 , and loosen the 4 screws 56 to remove the DVD main PWB unit 35 .
(Pickup relay FFC isn't removed.) (refer to the illustration on PARTS LIST (See page 183))
4. Remove screws fixing the base chassis (located at the back right and at front left when facing the set).
5. With the pickup FFC connected, turn over the base chassis and short (solder) two short lands on the pickup
interface PWB in order to prevent the electrostatic discharge damage of the pickup.
6. Remove the pickup FFC from the main PWB.
7. Remove the pickup FFC from the pickup interface PWB.
8. Remove the traverse mounting screws to remove the traverse chassis ass'y.
Note: After assembly and wiring, remove the solder joint of the short land. If short-circuited, a disk is not played
back.
Sled Motor Lead Wire
<Replacing the pickup and the spindle motor>
Since the pickup optical axis and turntable inclination of DVD are adjusted
with higher accuracy than of CD/MD, make a replacement as a mechanism
service chassis ass'y (refer to Parts List).
Pickup FFC
Loading Motor Lead Wire
Traverse Fixing Screw
14
Front Side
Pickup FFC
Pickup interface PWB
Short Land