Kenwood TS-830S Service Manual page 36

Item
11. BPF-B
adjustment
12. BPF-C
adjustment
13. VFO, MIX
spurious
adjustment
NOTE: This
should be done
adjustment
after comple-
ting the ad-
justment (or
check) of
BPF-A.
13' Balance ad-
justment
TS-830M
only
14 Carrier bal-
ance adjust-
ment
15. IF AMP
adjustment
16. Coil pack
adjustment
C o n d ~ t ~ o n
D~sconnect connectorscl
and
<5
on the PLL unit.
Ter-
minal
Q35
@
Test
Sweep
generator
EXT
SP
IF
O U T 2
EXT
SP
EXT
SP
Unit
PLL
Measurement
Unit
PLL
Specification
RF
IF
IF
RF
IF
%-
-..
. . & .
-x
RF
Rear
panel
Rear
panel
Rear
panel
Rear
panel
Connect the cathode of D27 Oscillo-
(1
S
1 555) to the jumper scope
wire next to R44 with a
clip lead.
Connect the cathode of D 5 0
(1 S1587) to the jumper
wire next to TC1 with a
clip lead.
Connect the RF output of the
sweep generator to R1 1 1
(100fl) via a 15PF
capacitor
Disconnect
4
connectors
( 1
and
' 5
on the PLL unit.
Connect the cathode of D26
(1 S1555) to the jumper wire
next to R44 with a clip lead.
Connect the cathode of D 5 0
(1 S1587) to the jumper wire
next toTC1 with a clip lead.
I
Remarks
While adjusting, gradually
decrease the SSG output
level down to - 6 dB.
Parts
T7
T8
2 4 0 3 25.03
fil
Disconnect connector
(1
jF
coil
Adjustment
Method
Adjust T7 -T9 until
the response shown
T9
T I 7
T I 0
T I 1
T I 2
T I 8
VR1
V R 1
VR9
TC1
ANT
coil
-
I , 8 -
-
-
R F
coil
- I , 8 _
- -
T2
L2
L3
4
L4 f
~5 's"
L6
4
+
~7 "is."
L9
V
L11
ANT
coil
34.58
34.13 35.01
n
Less than
-
55dB
Spectrum
at the right is
obtained. Then
adjust T I 7 for
maximum amplitude.
Adjust T I 0 through
T I 2 until the band
response shown at
right is obtained.
Then adjust T I 8 for
maximum amplitude.
Minimum
(14.99 MHz)
Beat output
for minimum
Minimum
Max. audiooutput
Max. audio
output
TS-830M only
-
on the PLL unit. analyzer
Connect the cathode of D24
( I S 1 555) to the jumper wire
VFO 2 5 0
, )
next t o R44 with a clip lead.
MODE CW
BAND: 7 Oscillo-
VFO: 1 5 0 scope.
MODE: A M AF VTVM
Connect the SSG output
(7.15 MHz, 10dB) to the
ANT terminal.
IF SHIFT Centered RFVTVM
RF GAIN Fully counter-
clockwise
BAND: 1.5 VFO: 4 0 0 AF VTVM
DRIVE: 12 0 0 Oscillo-
RF GAIN: fully clockwise scope
IF SHIFT centered
RF ATT OFF
MODE: USB AGC: OFF
NOTCH S W OFF
N B S W . OFF
VBT. fully clockwise
TONE: fully clockwistz
SG SW. OFF
Connect the SSG output
(1.9 MHz. 4 0 dB) to the
antenna terminal. While ad-
justing, gradually decrease
the SSG output level down
to - 6 d B .
Connect the SSG ( 4 0 dB) to AF VTVM
the ANT terminal.
DRIVE 12:OO
- -
-
Oscillo-
scope
1.8
3.5
7
1 0
1 4
- -
- - - - -
-
Adjust at the following
points:
No.
1
2
3
4
5
BANDVFO
1.5
3.5
7
1 0
1 4
400
2 5 0
150
125
175
f
1.9 MHz
3.75
7 15
10.125
14.175