Focus Offset - Denon DCD-3560 Service Manual

8. Foucs offset
Connection
Oscilloscope
Counter
Oscillator
i
~
@
I
o
,.......-----,
I
Probe
.---
(HF)~+
( ) I
10:1
I
GND1
I
I -
(FEI)
(GND1)
I
2U-2007 P.W.B.
Oscillator Counter Oscilloscope Adjust Check
V H (Volume) (Oscilloscope)
50 mV/div 0.2 J,Ls/div
580 Hz
580 Hz or
or
~
1 Vp-p
20 mV/div
0.5 J,Ls/div
VR202
(±0.1 V)
[2U1631 ]
• Set input mode to
Se~voAmp
ALTERNATE or
unit
Adjust to minimize pattern jitter.
CHOPPER.
Pattern
Step
1. Push
I"
PAUSE
I.
2. Set oscillator to 580 Hz, 1 Vp-p (±0.5 V).
3. VR202 [F-OFFSETJ to minimize pattern jitter.
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