Kenwood TS-830S Service Manual page 55
Ssb transceiver
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Also See for TS-830S:
- Instruction manual (39 pages) ,
- Operating manual (6 pages) ,
- Instruction manual (60 pages)
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Remarks
Check
Polnt
@
may
be located
anywhere
When a motor
IS
not aval-
lable, manua-
lly turn the
VFO control
to check the
duty ratio
After adjust-
Ing wlth the
VFO control
turned clock-
wise, check
that rntervals
@and
@
are also iden-
tical when the
VFO control
is turned
counterclock-
wise
The phases of
EN 1 and EN 2
may be rep-
laced wlth
each other as
indicated ~n
the brackets
Item
4 RIT
adjustment
5 CW SHIFT
adjustment
6
Encoder
adjustment
Condit~on
RIT control Centered
DISPLAY 5 0 0 0
RIT SW
ON
RIT Control
Fully
clockwise
RIT SW
ON
RIT Control
Fully counter-
clockwlse
RIT SW
OFF
TS-830 MODE
TUN
VFO-230 RIT
OFF
FUNCTION (REC)
VFO
TS-830 MODE
CW N
STBY SW
SEND
VFO-230 RIT
OFF
FUNCTION (TRA) VFO
TS-830
STBY SW
REC
Remove the VFO knob and
motor-drive the
encoder at approx
3 0 0 rpm
EN 1 duty ratio adjust-
ment Turn a motor clock-
wise and counterclock-
wise
EN 2 duty ratio adjust-
ment Turn a motor ~n
the both d~rection
EN 1 -EN2 phase difference
alignment
Same as above
S p e c ~ f ~ c a t ~ o n
I
More than
5.000 9 kHz
(More than
1 4,500
9)
Less than
4,999 1 kHz
(Less than
14,499 1)
5.000 0 kHz
(
1 4,500 0 )
8 0 0 H z i 5 0 Hz
Measurement
Adjustment
Test
equipment
scope
VR1
VR2
Phase
adjust-
ment
screw
EN!
Ter
minal
5 1
I-P-
1
(EN21
W
i~
tal
termi
nal of
Connec-
tors
@
or
@
W l
I . ' . . -
Un't
o
1 s located in the
mi@+
m~ddle of points
A a n d C o n E N 1 )
F.counter
F counter
Oscillo-
Enco-
der
EN2
terml-
nal of
Connec-
tors
@
or
@
EN 1 and
EN2 ter-
mlnals
of
Con-
nectors
@or
@
1 1 1
Adjust until tntervals
@and
@
are
equal to each
other with point
@placed at
the center
:
:
c O *
#/
Adjust untll
intervals
@
and
@
are equal
(polnt A' on EN2
TC1
VR1
EN1 (EN21
Wlthln 9 0 deg
i
10%
(The differ-
ence between
clockw~se and
counterclock-
wlse rotation
must also be
wlthln this
specification )
Adjust so that
the frequency
counter reading
does not change
at RIT SW ON/OFF
Bracketed values
are the TS-830s
display indication
TS-830 MODE
Adjust until a
frequency 8 0 0 Hz
higher than the
CW frequency is
obta~ned
TS-830 STBY
The frequency is
shifted by 8 0 0 Hz
with respect to
REC freq
Parts
Method
Digi-
tal
Dlgr-
tal
Cathode
of D 6
Digi-
I
Cathode
1
D I ~ I -
tal
of D6
I
tal
I
Digl-
EN 1
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