Kenwood TM-321A Service Manual page 33

TM-321A
ADJUSTMENT
Measurement
Adjustment
Item Condition
Test
Specification/Remarks
equipment
Unit Terminal Unit Part
Method
4, Protection
1)
FREQ.
:
222.500
Power
Final
TP1
Final
VR1
Dip point
meter
(2)
(2E)
Transmit.
Digital
multi-
meter
2) Disconnect the power meter
DC AM
TX-RX VR5
3.5A
from
ANT
terminal. (DC (3C)
Transmit.
power
supply
galvo-
meter)
Linear
Rear
ANT
5.
TONE
1)
FREQ
:
222.500
FREQ.
:
88.0~89.0Hz
TONE
SW
:
ON
detector
panel
(1€)
DEV. £0.5~1kHz
Transmit Modula-
tion
analyzer
Power
meter
f.counter
+6A
Microprocessor operation check
Item
Condition Operation check
1,
Reset
1)
Turn the Power switch
Display
aI
ec
ON holding the VFO/M
and M.IN switches
The
|
indicator and the Mem-
down, ory channel number display light
for approx, 5
sec.
after
release
2)
Release the VFO/M
and
M.IN switches,
the switches.
2.
FREQ
1) Press
the M.IN switch.
"indicator
lights.
step
selec-
+
m
roofwrt
2) Press
the M.IN
switch,
Display
rr
5
tion then
press
the
REV
switch within 5
sec.
Turn the Tuning control
and
the UP/DOWN switches to
in-
crease or decrease
the figures
as
shown below,
20-51015
ccw cw
15>10-5
25«
20
3) Press
any switch except Receive
FREQ,
lights.
the LOW
and the
Power
(to
return to the normal
FREQ.)
switches to return to
the normal receive
FREQ.
3.
FREQ
1) Press
the
MHz switch.
The kHz digits
goes
off.
step
2) Turn the Tuning control
Rotating
the Tuning control
selec-
switch to CW
or
CCW. switch changes the
FREQ.
in
tion 1MHz
step.
(MHz) 3) Press
any switch except
The kHz digits
lights.
the LOW
and the
Power
switches to return to
the
normal receive
FREQ.
Item
Condition
Operation check
4-1.
Simplex
memory channels
are;
MO~9, MA,
b.
Memory
Determine the desired
FREQ., SHIFT, CTCSS, TONE FREQ.
entry then
follow
the procedure below.
(simplex
1) Press the M.IN switch.
The
memory channel number
standard
display
ights.
offsets)
2) Select the desired
memory channel
using
the Tuning control
or
the Microphone UP/
DOWN switch.
This
selection should be
completed within 5
sec.
after the M.IN switch
is
pressed.
3)
Press the M.IN switch
Memory entry is completed.
within
5
sec.
after the
memory channel selec-
tion
is completed.
4-2.
1)
Select the desired
FREO.
Odd
split
using the Tuning control
memory
or the Microphone
UP/
channels
DOWN switch.
(as
described
in
Item
4-1.)
bad
ud
bed
heed
36
TM-321A
ADJUSTMENT
Measurement
Adjustment
Item Condition
Test
Specification/Remarks
equipment
Unit Terminal Unit Part
Method
4, Protection
1)
FREQ.
:
222.500
Power
Final
TP1
Final
VR1
Dip point
meter
(2)
(2E)
Transmit.
Digital
multi-
meter
2) Disconnect the power meter
DC AM
TX-RX VR5
3.5A
from
ANT
terminal. (DC (3C)
Transmit.
power
supply
galvo-
meter)
Linear
Rear
ANT
5.
TONE
1)
FREQ
:
222.500
FREQ.
:
88.0~89.0Hz
TONE
SW
:
ON
detector
panel
(1€)
DEV. £0.5~1kHz
Transmit Modula-
tion
analyzer
Power
meter
f.counter
+6A
Microprocessor operation check
Item
Condition Operation check
1,
Reset
1)
Turn the Power switch
Display
aI
ec
ON holding the VFO/M
and M.IN switches
The
|
indicator and the Mem-
down, ory channel number display light
for approx, 5
sec.
after
release
2)
Release the VFO/M
and
M.IN switches,
the switches.
2.
FREQ
1) Press
the M.IN switch.
"indicator
lights.
step
selec-
+
m
roofwrt
2) Press
the M.IN
switch,
Display
rr
5
tion then
press
the
REV
switch within 5
sec.
Turn the Tuning control
and
the UP/DOWN switches to
in-
crease or decrease
the figures
as
shown below,
20-51015
ccw cw
15>10-5
25«
20
3) Press
any switch except Receive
FREQ,
lights.
the LOW
and the
Power
(to
return to the normal
FREQ.)
switches to return to
the normal receive
FREQ.
3.
FREQ
1) Press
the
MHz switch.
The kHz digits
goes
off.
step
2) Turn the Tuning control
Rotating
the Tuning control
selec-
switch to CW
or
CCW. switch changes the
FREQ.
in
tion 1MHz
step.
(MHz) 3) Press
any switch except
The kHz digits
lights.
the LOW
and the
Power
switches to return to
the
normal receive
FREQ.
Item
Condition
Operation check
4-1.
Simplex
memory channels
are;
MO~9, MA,
b.
Memory
Determine the desired
FREQ., SHIFT, CTCSS, TONE FREQ.
entry then
follow
the procedure below.
(simplex
1) Press the M.IN switch.
The
memory channel number
standard
display
ights.
offsets)
2) Select the desired
memory channel
using
the Tuning control
or
the Microphone UP/
DOWN switch.
This
selection should be
completed within 5
sec.
after the M.IN switch
is
pressed.
3)
Press the M.IN switch
Memory entry is completed.
within
5
sec.
after the
memory channel selec-
tion
is completed.
4-2.
1)
Select the desired
FREO.
Odd
split
using the Tuning control
memory
or the Microphone
UP/
channels
DOWN switch.
(as
described
in
Item
4-1.)
bad
ud
bed
heed
36