Denon DCD-1500 - Page 19

(7) Adjustment of Focus Offset ae %
x
® Adjustment
:
®:
Adjust
it
in
the
same-condition
as_to:
jc
teiss
gain
except the measuring equipment connections.
@ Connection of. measuring equipment
Note:
.
Audio
oscillator.should
be
connected
dur-
-
ing
the
servo
operation.
Oscilloscope
; HE
Pin @)-and of TP-102
TP-102
GNO
‘FEN,
Pin @ of TP-101
Pin © ot TP-101
Frequency Counter
oe
NATE” or “CHOPPER” and set it to 50 mV/
DIV or 20 mV/DIV {use 10:1 probe).
. Observe. by setting the sweep: time to 0.2 or
0.5 ps range.
AN vii
Be,
Audio Oscillator
Set to 1.1 kHz, 3Vp-p
@
A
waveform
to
observe
in
this
time
called
@
Set
the
output
of
audio
oscillator
to
1.1
kHz,
“Eye
Pattern”.
3.0
Vp-p
(£0.1
V).
®
Adjust
VR-102
for
a
minimum
jitter
amount.
©
Select
oscilloscope
input
mode
at
“ALTER-
AURAKARS te