Kenwood TM-221A Service Manual page 37

TM-221A/E/ES
ADJUSTMENT
| item | __—Condition _—|_—_—_— Operation check
2) Press the M.IN switch The beeper sound changes.
Moy
i—4 indicator lights.
The memory channel number
display is not light.
The receive FREQ. memory entry is completed, then changes
to the waiting mode of the transmit FREQ. memory entry.
Condition Operation check
3) Press any switch except
the LOW and the Power
switches to return to the
normal VFO FREQ.
6. Memory |1) Press the VFO/M switch
channel to select the memory
lockout channel mode.
4) Select the desired trans-
mit FREQ. using the
Tuning control or the
Microphone UP/DOWN
switch,
5) Press the M.IN switch.
1) Press the M.IN switch
and then TONE switch.
(within 5 sec. after
pressing the M.IN
switch.)
2) Select the desired TONE
FREQ. using the Tuning
control or the Micro-
phone UP/DOWN
switch. (a value in the
67.0 to 250.3)
selec- 2) Select the desired
tion "memory channel to skip
using the Tuning
control or the Micro-
phone UP/DOWN
switch.
3) Press the M.IN switch
and the SCAN switch.
When the M.IN switch
is pressed, the M indi-
cator lights. The SCAN
switch should be pressed
within 5 sec. after the
M.IN switch is pressed,
or the M indicator goes
off.
Memory entry is completed.
TONE FREQ. lights.
Receive FREQ, lights.
i: TH indicator lights.
woh
F "<1 indicator lights.
Wy Zt!
[sa |
The asterisk (*) lights in the
left of the memory channel
number display.
The indicated memory channel
is skipped during SCAN opera-
tion.
39
TOP VIEW
F
TM-221A/E/E
ADJUSTMENT
FINAL UNIT (X45- 1330-03)
| (X45- 1360-02)
TX-RX UNIT (X57-3060-XX)
| | X59-3130-00
|_| _x59-3170-00
| | X59-3160-00
X59-3120-00
| | _x59- 3150-00
vco
(X58- 3090-00)
TX-RX UNIT (X57-3060- XX)
X59- 3140-00
FINAL UNIT (X45- 1330-03) : TM-221E
VR1:S-1 (X45- 1360-02) : TM-221A/ES
VR2: DEV. 1kHz, 5mV, +3kHz (K, M) VR1: PRO. (NULL)
VRS: DEV. 1kHz, 50mV (K,M), 30mV (T, W), +4.4kHz
VR4: RF meter VCO (X58-3090-00)
VR5: PRO. TC1: TX VCO
VR6: RF output TC2: RX VCO
VR7 : Low power (K, M, T2, W2)
L1,2 : Helical
L3 : Helical (T, W)
L4,5,7,9: IF GAIN
L11 : Discri.
L19,21 : Helical (K, M)
L20 : IF trap (K, M)
TC1
TC2
TC3,
: TX frequency (K,M)
: TX frequency (T, W)
4: TX power
40