Kenwood LD-K300V Service Manual page 4

LD-K300V
MECHANISM ADJUSTMENT PROCEDURE
No. ITEM
SETTING
<1> TANGENTIAL CD TEST DISC
R-
<2> CD TEST DISC
DEPENDENCE
Note : CD disc : CD test disc (SONY) YEDS-18 or equivalent), LD disc : CAV 30cm (with digital sound)
Radial-Dependence
adjust (slide the pickup to
meet with the center of
the pickup and that of the
turntable.)
(a) TILT BALANCE / FOCUS BALANCE / TANGENT
Oscillocope
GND
(b) TRACKING BALANCE
Oscillocope
GND
ADJUSTMENT
INPUT OUTPUT
SETTING
Connect an
oscilloscope to CN3
pin 6 (EFM). (MAIN
UNIT)
Connect an L.P.F. to
CN3 pins 7 and 8, to
connect an
oscilloscope and
select X-Y mode.
(MAIN UNIT)
Main unit (X34)
CN3
CN7
Main unit (X34)
CN3
CN7
PLAYER ALIGNMENT
SETTING POINT
Tangential nut
(Turn within ± 4
PLAY
clicks)
R-dep. nut (Less
PLAY
than ±10°)
E = F
ALIGN
FIG.
FOR
Maximize the RF
signal (eye pattern) (a)
amplitude.
Adjust so that the
Lissajous waveform
becomes -45°
Tangential adjust
(Keep the disc
horizontally for the
pickup)
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