Denon DCD-425 - Adjustment Methods and Presets

ADJUSTMENT
1. Adjustment method
(1) Necessary equipment for adjustment Lissajous jig
1. Dual trace oscilloscope input
2. Reference disc TOMITA YASUKO (Generator) 9
(CA-1094 or CA-1094A)
3. Oscillator (10 Hz ~ 10 kHz, 0 ~ 3 Vp-p)
4, Frequency counter (readable no less than 5 kHz)
5. Lissajous jig Input
(Main unit)
LL
ae GND
O
Output
(Oscilloscope)
0.0221 == 4700P
J oureut a
(2) Location
VA102
(TE.G)
VR
res) O@ @ veo
TEST POINT
TP1: TEO
ee
TP2:
TEI
TP3:
FEO
MAIN
UNIT
ia
RFO
(Component
side)
TPS:
GND
FRONT PANEL SIDE
(3) Preset
Preset VR101 to 103.
VR103
ee)
VR101
)
VR102
)
(Focus
offset)
(Tracking
offset)
(Tracking
gain)
3 O'clock 3 O'clock 3 O'clock
1. Focus offset
2. Tracking offset
3. Tracking gain
14