Kenwood RD-DV5-S Service Manual page 5

Disassembling the Optical Pickup
1. Remove screws.
2. Remove spring holder and spring.
3. Pull out the drive-shaft and guide shaft.
GUIDE SHAFT
SPRING HOLDER
SCREW
SCREW
DRIVE SHFT
SPRING HOLDER
Disassembling the Middle Chassis
1. Remove 3 push rivets.
2. Remove the hooks.
3. Lift the traverse unit upward to remove the middle chassis.
PUSH RIVETS
HOOKS
MIDDLE CHASSIS
1. Optical pickup Tilt Adjustment
1-1 Adjustment
1. Insert the AC power plug to AC wall outlet with press-
ing the DVD/CD play key.
(The tray opens automatically)
2. Load a DVD disc and press DVD/CD play key.
3. Press "SOUND" key.
(Jitter value is displayed.)
JITT XXX %
*4. Play DVD disc first chapter (inner periphery).
5. Adjust to the minimum jitter value.
(Tangential adjustment screw)
DISASSEMBLY FOR REPAIR
OPTICAL PICKUP
SCREW
SPRING HOLDER
XXX is present jitter value
RD-DV5-S/DV7-L/DV5MD-S
*6. Play DVD disc last chapter (outer periphery).
7. Adjust to the minimum jitter value.
(Tilt adjustment screw1)
*8. Play DVD disc last chapter (outer periphery).
9. Adjust to the minimum jitter value.
(Tilt adjustment screw2)
10. Repeat adjusting tilt adjustment screws 1 and 2 alter-
nately, two or three times.
* Press "SKIP UP/SKIP DOWN" keys for Tno. up or
down.
TILT ADJ.
SCREW 2
Do item 5~10 from the bottom of the main unit using a
hex wrench.
1-2 Point
1. First of all adjust tangential adjustment then adjust tilt
adjustment.
2. To get optimum point, repeat item 1 adjustment alter-
nately, two or three times.
3. Finally, adjust the tilt adjustment.
1-3 Check condition after adjustment
1. Play the disc to make sure there is no picture degrada-
tion in the inner, middle and outer peripheries, and no
audio skipping.
2. Lock the adjustment screw in position using screw lock.
FRONT
TANGENTIAL
ADJ.SCREW
TILT ADJ.
SCREW 1
BOTTOM VIEW
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