Kenwood TS-5700 Service Manual page 67

TS-570 0
Item Condition
1 ) D i s p lay f . : 2 2 . 00 0 M H z
3 . R F A M P
M O D E : F M
P R E A M P : O N
Spectrum a n a lyzer sett i n g
C e n t e r f . : 2 6 . 0 00 M H z
Freq u e n cy spa n : 2 0 M H z
O utput : - 2 0d B m
Xd B/D I V : 2 d B
R BW : 3 0 k H z
VBW : 1 0 k H z
1 ) D i s p lay f . : 1 4 OOO M H z
M C F
(73 M H z ) M O D E : U S B
A G C : O F F
Spect r u m a n a lyzer sett i n g
Center f . : 7 3 . 0 50 M H z
Freq u e n cy spa n : 7 0 k H z
ATI : 1 0d B
O utput : - 2 0d B m
Xd B/D I V : 2 d B
R BWNBW : 1 k H z
1 ) Set the TC2 position as
5 . Trap
i n it i a l i z e s h own r i g h t .
sett i n g
E,E2,E3
6 . I F A M P 1 ) D i s p lay f . : 1 4 . 1 O O M H z
M O D E : U S B
A G C : FAST
P R E A M P : O N
AF output : 0 . 63V/8Q
S S G freq u e n cy . 1 4 . 1 0 1 M H z
S S G output : - 1 1 3d B m
7 . RX M I X 1 ) D i s p lay f. : 1 O O k H z
ba l a n c e M O D E : U S B
P R E A M P : O N
S S G output : O F F
8 . I F G A I N 1 ) D i s p lay f : 1 4 . 1 O O M H z
M O D E : U S B
A G C : FAST
P R E A M P : O N
S S G freq u e n cy : 1 4 . 1 0 1 M H z
S S G output : - 1 05 d B m
: - 1 1 5d B m
2 ) S S G output
3) S S G output : - 1 05d B m
9. Trap 1 ) D i s p lay f . : 1 5 . 2 00 M H z
M O D E : U S B
E,E2,E3
AGC : FAST
P R E A M P : O N
S S G freq u e n cy :
S S G output : - 1 1 3d B m
S S G freq u e n cy : 1 1 . 7 0 1 M H z
2 ) D i s p lay f . : 1 1 . 7 00 M H z
70
ADJUSTMENT
Measurement
Test-
equi pment
U n it
Tra c k i n g R e a r
p a n e l
g e n e rator
TX-RX
Spect r u m
a n a lyzer ( R F)
Tra c k i n g TX-RX
g e n e rator ( R F)
Spectrum
a n a lyzer
S S G R e a r
p a n e l
A F V. M
Oscilloscope
D M . S P
1 5 . 2 0 1 M H z
Adj ustment
Term i n a l
U nit Pa rts
L67 R e peat adj u st m e n t
A N T TX-RX
( R F) L68 2 o r 3 t i m e s u n t i l t h e
level i s m a x i m ized
C N 7 a n d with i n t h e ra n g e
of wavefo r m .
N ote : I f d i p p o i n t
a p p e a r , fi rst t u r n
T C 2 ( R F) a n d a dj u st
to L67 , 6 8 .
L45 Repeat a d j u s t m e n t
C N 3 TX-RX
( R F) L54 2 o r 3 t i m e s u nt i l t h e
L 5 0 l e v e l i s m a x i m ized
L 5 1 a n d t h e waveform
CN4
L 1 1 1 becomes f l a t .
1 ) T u r n L 4 5 a n d L54
t o a dj u st t o t h e
73 . 0 5 M H z pea k .
( R e p eat twice)
2 ) T u r n L 5 0 , L 5 1 ,
a n d L 1 1 1 to m a ke
a sym metrical
wavefo r m .
3 ) M a ke t h e wave-
form flat u s i n g
L45 a n d L54.
TX-RX TC2 Turn TC2 1 80°
( R F) from t h e defa u l t
positio n .
A N T TX-RX L55 R e peat a d j u s t m e n t
( R F) L56 2 o r 3 t i m e s u n t i l
L61 t h e A F output i s
EXT S P I C 1 5 ' s m a x i m i z e d .
L 1 , L2
VR 1 N o i s e M I N
Front AF VR A F output : 0 . 63V
pa n e l
TX-RX I C 1 5 ' s A F output
( R F) VR 1
C h e c k
TX- RX TC2 AF output : M I N
( R F)
TC 1
�
Specifications/Remarks
Method
26.000
22
(MHz )
(MHz )
TC2
Face t h e
con cave p a rt of
t h e k n o b downwa rds .
·
0 4V ± 0 . 05V
AF o u t p u t : 0 . 63V± 0 . 05V
T h e re m u st b e a d i p po i nt .
00
73 . 057