Kenwood TS-830S Service Manual page 40

ADJUSTMENTS
Remarks
Compare with
CW
Specification
Less than.- 50 dB
Item
30. SSB frequ-
ency res-
~ o n s e a d -
justment
Adjustment
Condit~on
MODE CW
Sync'ed scope level
calibration
MODE USB, LSB
STBY REC
BAND
1 4
VFO 175
MODE US6
Connect the AG ( 1 500Hz,
7mV) to the MIC input
connector
STBY SEND
Tune up.
Set t o 5 0 W with MIC
GAlN control.
Unit
I
31 ALC
adjustment
32. Speech
processor
adjustment
I
Ter-
minal
ANT
Test
equipment
Power
meter
Sync'ed
Scope
AG 300Hz
'
T
2700Hz
MODE LSB same as above
AG 400Hz
AG 2 6 0 0 Hz
After completing the
above adjustment.
readjust the carrier
suppression
(see item 29.)
BAND 14, VFO 1 7 5
M lC GAl N M I N
METER ALC
Connect power meter to
the ANT terminal.
STBY SEND
Connect an AG output
(1.5 kHz, 5 mV) to the
MIC jack. Set the MIC
GAlN control t o maximum.
Tune up.
Reduce the power by 5
watts with the MIC GAlN
control.
Increase the AG output
to 1 0 mV.
Repeat the above three
adjustment steps
several times.
SG SW OFF
MODE USB
METER COMP
MlCGAlN MIN
PROC ON
Connect the AG output
(1.5 kHz, 5 mV) to the
MIC jack. Set the STBY
switch to SEND.
Adjust the COM P LEVEL
control until the meter
reading is obtained.
Set VR5 on the IF unit
fully clockwise.
Adjust the COMP LEVEL
control until the meter
indicates S- 1. Set tbe
AG output to 5 0 mV.
METER ALC
Adjust the MIC GAlN
control until the maxi-
mum meter reading
is obtained.
Parts
Measurement
Unit
Rear
panel
PLL
I
TC3
Method
IF
Adjust until the
same level is obtained
for both 300 Hz and
2700Hz (equal audio rolloff).
More than 1/2
with respect to
the 1500Hz signal
TC2
VR4
TC3
Minimum
(When misaligned.)
? : k : % : d
Less than - 50dB
The ALC meter
must be aligned
to its exact
zero point.
No ALC deflection
Set to the deflec-
tion start point.
Obtain the maxi-
mum ALC on-scale
reading.
Max. meter reading
Meter indicator
2 0 dB
Max. meter reading
IF
IF
IF
VR6
VR7
L26
VR5
L27