Transm Ission Frequency - Panasonic RJ-3600 Service Manual

T TRANSMITTER ADJUSTMENT I1ECEIVEDJUL 2
9
1977
I
I
I
CONNECTION/CONDITION
ADJUSTMENT
REMARKS
TRANSMITTER
OSCILLATOR
Connect Frequency
counter:
@'side tolTF1-fl
O
side
to
@
Set transceiver
in transmitting
condition.
Be sure to connect
RF watt-
rneter (Refer
to fig.
14)
C37
(Trimmer)
Adjust C37 until 10.695 MHz
1300
Hz is
read on
the frequency
counter.
Note: Do not
connect
O
side of frequency @unter
to
metal
chassis. Use ground
of
circuit
board.
RF
Connect RF
voltmeter:
3
sideto
@i|
Q
side to
[fl
Set transceiver
in transmit-
ting
condition.
Be sure to connect
RF watt-
meter.
(Refer to
fig.
15)
T5 (TX BF
Coil)
T6
(TX RF
Coil)
T7 (TX RF
Coil)
T9 (TX
RF Coil)
T10 (TX
RF Coil)
L7
[X
HF Coil)
110
(Tx
RF Coil)
111
(Tx
RF Coil)
1) Set to channel
20.
2) Pull out
L1
1 to the top of
bobbin,
then lower
1*
turns.
3) Adjust T5, T6, T7,
and
T9 for maximum
RF voltmeter reading.
4)
Adjust T5 (Turn to
upper)
for
1
W RF wattmeter readiJtg.
5) Adjust T10,
L7
for maximum
RF
wattmeter
reading.
6) Adlust T5 for maximum RF wattmeter
reading.
7) Confirm that the difference between
1
ch and ulo
ch should be
less
than 0.4
W.
8) Adjust L10 (Turn to
lower) for 3.8
W
RF
wattmeter reading, if power
output exceeds 3.8
W.
9) Adjust
L10
lor maximum
RF watlmeter reading, if power output up to
3.8 W.
TRANSM ISSION
FREQUENCY
CHECK
Connect frequency counter
through dummy antenna
to
antenna socket.
(Refer to fig.
16)
Check
that the transmitting frequency
standard.
is within the
following
Note: Frequency
tolerance is
within
+600
Hz.
Channel
Frequency
Channel Frequency
1ch
2ch
3ch
4ch
5ch
6ch
7ch
8ch
9ch
10 ch
'11
ch
12
ch
13 ch
14
ch
15
ch
16 ch
'17
ch
18 ch
't9 ch
20 ch
26.965 MHz
26.975 MHz
26.985 MHz
27.005 MHz
27.015
MHz
27.025 MHz
27.035 MHz
27.055 MHz
27.065 MHz
27.075 MHz
27.085 MHz
27.105
Mtlz
27.115
MHz
27.125 MHz
27.135
MHz
27.155
MHz
27.165 MHz
27.175
MHz
27.185
MHz
27.205
MHz
21 ch
22 ch
23
ch
24 ch
25
ch
26 ch
27
ch
28 ch
29
ch
30 ch
31 ch
32 ch
33 ch
34 ch
35 ch
36 ch
37 ch
38 ch
39 ch
40 ch
27.215
MHz
27.225 MHz
27.255 MHz
27.235 MHz
27.211.5
MHz
27.265
MHz
27.275
MHz
27.285 MHz
27.295
MHz
27.305 MHz
27.315
MHz
27.325 MHz
27.335 MHz
27.345 MHz
27.355 MHz
27.365
MHz
27.375 MHz
27.385 MHz
27.395 MHz
27.405 MHz
RF
POWER
METER
Set transceiver in
transmit-
ting
condition.
Be sure to connect
RF watt-
meter. (Refer to fig.
17)
R146
(Semi-fixed)
Adjust
R1
46 so that the pointer
of the meter stays as illustrated
in
figure.
Pointer
RJ-3600
E