Denon DCD-3300 - Page 16

4, ADJUSTMENT
(1) Before Adjustment
Before starting adjustment, adjust electrical adjustments
for spindle motor beforehand.
The adjustment of the super-linear converter employed
in this unit aiming to reduce a distortion at the time
of D/A conversion is unnecessary except for special
occasion.
(2) Measuring Equipments and !mplements for Adjustment
@) Dual-mode oscilloscope —
@ Specified disc for adjustment
(3) Preparation
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KU-6040 Servo Main Unit
TR.GAIN
ZO Fh
202 TP20!
5
VR
201
F.GAIN
(@) Be sure that the power is off state.
Short-circuit pins @) and @), TP-204 of servo
main P.W.B. (KU-6040) and set the unit to service
mode.
(2) Draw-out the disc holder of mechanism unit
frontward.
(Manually move the lock arm located on the side
of the disc holder, release the lock of tray, and
-draw the disc holder frontward.)
@ Connect the wires of signal pick-up connectors to
TP-401 (4P) of servo pre P.W.B. (KU-6050)
attaching to the mechanism unit and TP-201
(5/6P) of servo main P.W.B. (KU-6040).
Ce)vedoz
Measuring filter
Audio frequency oscillator
10 Hz ~ 10 kHz,0 V ~ 3 Vp-p
Frequency counter
Count more than 5 MHz
Connector with wires for signal pick-up
5pins 1 each
4pins 1 each
Headphones
Checking of playback sound
TP202
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KU-6050 Servo Pre Unit
VR401 TP401
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KU-6050
SERVO PRE UNIT