Kenwood DV-5700 Service Manual page 24

DV-5700/DVF-R9050/R9050-S
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1-7 Disassembling the Traverse gear A.
1. Remove the traverse gear A.
1-8 Optical Pickup Tilt Adjustment
STEP1
Turn the power on with
pressing the "DISC 1" key.
STEP2
Press "OPEN/CLOSE " key.
STEP3
Load DVD disc and play 1st chapter.
(Inner periphery)
STEP4
Press "PLAY " key.
Check to see that "JITTER XXX % " is displayed.
TE
L 13942296513
STEP5
Adjust to the minimum jitter value.
(Tangential adjustment screw)
STEP6
Play DVD disc last chapter. (Outer periphery)
(Tilt adjustment screw1)
Adjust to the minimum jitter value.
STEP7
Play DVD disc last chapter. (Outer periphery)
(Tilt adjustment screw2)
Adjust to the minimum jitter value.
STEP8
NG
Check condition
after adjustment
STEP9
Pull out the traverse unit.
(Refer to disassembly procedure
in this manual.
STEP10
Lock the adjustment screw in
position using screw lock.
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STEP11
Assemble the main unit.
STEP12
.
Follow procedure for handling after
repairs are completed.
24
MECHANISM DESCRIPTION
Start
(Display shows "INSPECTION " , test mode.)
(Present jitter value.)
Play the disc to make sure there is no picture
degradation in the inner, middle and outer
peripheries, and no audio skipping.
OK
x ao
y
i
End
8
Press "SKIP UP/DOWN " keys
for Tno. up or down.
Q Q
3 6 7 1 3
Do steps 5~7 from the bottom of
the main unit using a hex wrench.
Repeat adjusting tilt
adjustment screws
1 and 2 alternately,
two or three times.
u163
.
2 9 9 4 2 8
TRAVERSE
GEAR A
11
Fig. 9
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9