Specifications - Kenwood TK-250 Service Manual

TK-250
ADJUSTMENT
vco
Measurement
Adjustment
Condition
Test-
Specifications/
Terminal
Unit Parts M ethod
Remarks
1) CH : Channel with highest freq'
DV.M
VCO LV VCO TC501
3.5V(TYPE 1)
±O.05V fTH
3.0V(TYPE 2)
2. TX loek
1) CH : Channel with lowest freq'
O,7-1.7V
fTL
ck
3. RX loek
1) CH : Channel with highest freq'
TC502
3.5V(TYPE 1)
±O.05V
fRH
3.0V(TYPE 2)
4. RX loek
1) CH : Channel with lowest freq'
O.6-1.7V
fRL
ck
Helical
Measurement
Adjustment
Condition
Test-
Specifications/ Terminal
Unit Parts M ethod
Remarks
1) CH : Channel with center freq'
Trk. Gen.
TX-RX ANT
TX-RX
L9
Adjust wave form to figure at below.
fRM
Spectrum
(N3)
TP4
(N3) L10
Conneet the spectrum analyzer
Analyzer
(RF)
L12
L17
Check
WAVE shift to right
3) CH : Channel with lowest
WAVE shift to left
CAUTION :
Wh
en
using an
extern
al power connector, please use wi1h maximum
fin
al module protection of 9V.
48
V11-L
V1~M
V1:H -:>
~
I--
~/
'\
f\
/
\
\
1/ 1\ /
\
\
'A
_\
~
I·•••••
"'--
/<-v;"
CENTER
SPAN
MARKER
4MKR
TG LEVEL
162.00MHz
50MHz
146MHz
20.64MHz
-5dBm