Kenwood TS-830S Service Manual page 35

I
Measurement Adjustment
Item C o n d ~ t ~ o n
Spec~f~cation Remarks
Test
equipment
Unit
I
m ~ n a l
- - 1
- - - - - - -- - - -
-
-
Set point 0 on the d ~ a l Should come ~n Check the
scale and the CAL control contact wlth the scale (mecha
to the ~ndex When the CAL
, \ I 1 1 ,
pointer nically)
control cal~brated at each
100 kHz 1 s set at the Index,
check the dev~ation of the
d ~ a l scale at each point
-
RlT Centered
RlT s w ~ t c h ON
Set the VFO maln control
to 5750 0 0 0 kHz
Less than 5 0 Hz
and OFF
RlT s w ~ t c h ON
-1 5kHz or less
VFO 2 5 0 t 1 5kHz or more
RIT control fully counter- Reference to the
clockw~se
(@
p o s ~ t ~ o n ) center (9) posl-
RlT control fully clock- tlon of the
wise (@ posltlon RIT control
RIT OFF
Install the 5 7 5 0 kHz quartz Normal osc~lla
crystal into the socket on tlon must be
the PLL unlt
FIX ON R F VTVM
Remove the quartz crystal
from ~ t s socket FIX OFF
8 Counter refe- Fcounter PLL TP2
rence osc~llator
adjustment
glven In brackets are
obtalned
0 2 50 500 Unlt Part
1 0 BPF-A
L
28 5
2 9
29 5
37 33
37 83
38 33
37 58
1
3 7 8 3 ( 4 75)
Check the level at each of
the above polnts
Both edges of the VFO
frequency In each band
D~sconnect connectors@l
and
6 ,
on the PLL unlt
Connect the cathode of
D 2 4 (1 S1555) t o the jum-
per wire next t o R44 with
a cllp lead
Connect the sweep gene-
rator RF output to the
EXT-VFO connector
1V ::dB
D~splay should
~ n d ~ c a t e
RF VTVM
Sweep
RF
PLL
generator,(
Oscilloscope
TP3
0 3 5
0
T I 4
T I 5
PLL
response shown
to the r ~ g h t 1 s
obta~ned
T I 3 Adjust u n t ~ l the