Sansui CD-V1000 - 6. Adjustments

6. ADJUSTMENTS
¢ Notes on Adjustment
1.
Turn
off
power
before
removing
bonnet.
5.
Incase
the
play
operation
is
not
by
defective
adjustment,
adjust
the
Play
8th
wVR3
©)
|
Connect
scope
=
she
w~—
—>
Lock
off
2.
See
Fig.
6-1
&
6-2
for
adjustment.
following
a
process.
music
of
(F-5745)
|
to
point,
Center
3.
Test
discs
is
CD-1
of
EIA).
1.
Initially
set
f(VR1,
fVR2,
WVR1
and
WVR2
at
their
center
positions.
CD-1.
(wR13)
position
4. For adjustment the following filters is required.
Band Pass Filter (B.P.F.) be normal play.
IN o— \W————]
20k2 0.01 uF
20kQ
_
ADJUST. MEASURE
T
STEP| SUBJECT INPUT OUTPUT ADJUS
O OUT
1 Tracking | Play 8th fVR1 @) | Connect scope
Offset music of (F-5749) | to point
CD-1. short (TP-T1)
across
nn Adjsut a=b
Scope: DC
2 | Focus Play 1st Connect ch1 of
Offset music of scope to Point CH1 {4
CD-1 with A\ (TP-F1)
Black Paper Connéct ch2 of b
Tape scope to TP TR®
SOURCE: Adjsut a=b
ch2 TRIG. Adjust Point © to center position
3 | Tracking | Play 4th wVR1 @)] Connect VTVM
Gain music of (F-5745) to Point
CD-1 (No (TP-T2) through
signal) Band Pass Filter.
Feed 800Hz Connect VTVM
0.5Vp-p to point
from S.G. (TP-TO) through
into wR5 Band Pass Filter
Adjust TP-TO level to +6.5 dB from
VTVM Indication level of TP-T2.
4 | Focus Play 8th wVR2 @) |} Connect YTVM
Gain music of (F-65745) | to Point
CD-1 Feed (TP-F2) through
800 Hz Band Pass Filter.
0.5Vp-p Connect VTVM
from S.G. to Point
(TP-FO) through
Band Pass Filter.
UN wR4
Adjust TP-FO level to +19 dB from
VTVM Indication level of TP-F2.
2. Adjust wVR3 (VCO adj.) slightly until the set will
07 PEAY Keleye) 0] DEA el ele)
ADJUST. MEASURE
SUBJE INPUT
V.C.0
STEP) ADJUST
——— Oe > Lock off
OV (GND Level)
Adjust the wVR3 within center of
PLL lock off level.
Scope: DC
¢
F-5745
Digital/Analog
&
Logic
Control
Board
(Fig.
6-1)
DESCRIPTION
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If
you
have
not
the
B.P.F,
(®)
Biche
or
you
can
not
this
vei
ae
=
adjustment,
set
the
—~
abr
dh
r
Center
wVR1
to
the
center
Position
a
position.
¢ Top View (Fig. 6-2)
220K
Audio OSC
800 Hz
If you have not the B.P.F,
or you can not this
adjustment, Set the
wVR2 to the one
oclock position.
wVR2
1 oclock
position
DESCRIPTION
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