Denon DCD-1420 - Tracking Gain and Offset Check; VR104 Tracking Gain Adjustment; Tracking Offset Adjustment Check

Saree Gay 9 Pemiete ein. 25
8. Tracking gain
Main Unit
TP101-—@
(TEO)
TP101—@ O
(TEl)
TP101-—@ 0
(GND)
Oscillator Counter Oscilloscope
P
e 2.1 kHz
(£120 Hz)
e 3 Vp-p
(+0.1V)
2.1 kHz
(£120 Hz)
e DC range
e X-Y mode
9. Tracking offset adjustment check
(1) Adjust tracking offset again.
(2) Push [mstop Jand stop disc.
(3) Push [»PLAY | and check disc turns,
Note: If disc does not turn, push[> PLAY | again and check track number Sis diasplayed.
(4)
Check
oscilloscope
waveform
upper
and
lower
amplitude
are
same
to
base
line.
(5) Push and stop disc.
(6) Push} OPEN/CLOSE | and remove the reference disc.
ene
Adjust
(Volume)
Connection
Oscilloscope
(Oscilloscope)
Phase 90°
Counter
. Push | 11 PAUSE | [11 Pause |. (Displays track
i}
number 1171 )
. Connect oscillator.
. Set oscillator to 2.1 kHz/3 Vp-p.
. Switch oscilloscope input to X-Y mode.
. Adjust VR104 [T-GAIN] to
symmetrize Liseajous figures to X-Y
axes,