Icom IC-04A Service Manual page 25

6 6
SUBAUDJBLE TONE,
DTMF AND
TONE
CALL
ADJUSTMENT
TEST
INSTRUMENTS REQUIRED
{II
VOLTAGE REGULATED
POWER
SUPPLY
(10)
ATTENUATOR
{21
RF
POWER METER (TERMINATED
TYPE]
(14)
FM
DEVIATION METER
ADJUSTMENT
ADJUSTMENT CONDITIONS
MEASUREMENT
VALUE
ADJUSTMENT
POINT
UNIT
LOCATION
ADJUST
SUB
AUDIBLE
TONE
(N)
1
*
Operating frequency^
435.000MHr
445-OOOMHz
(ifOS)
Sitripla^x
mode
*
FM
deviation nneter!
HPF
(SOHzjj
OFF
LPF
(20Hz):
ON
*
Tone
nunrtbftr; 01
*•
Transmit
mod#
TOP
PANEL
Connect
an
FM
deviation
meter to tha
ANTENNA
CONNECTOR
via
an
atte-
nuator.
±
0.5
kHz
TONE
R5I0
DTMF
{0)
1
•
Operating frequency;
435,000MHz
445,
ODOM Hi
'
Simples
mode
•
Transmit
mode
•
Push and held |D| key,
TOP
PANEL Connect
an
FM
dovratlon
meter
to the
ANTENNA
CON-
NECTOR
via
an
attenuator.
±J. 5kHz
TONE
R507
TONE CALL
*
Operating frequency; 435.000MHz
445.000MHz «F
05)
4
TONE CALL
Switch
ON
TON
CALL
P.C.
Board
Bring to
near
XB01
7.
l6QMHz
±(}.
5
kHz
TONE
CALL
Verity
TOP PANEL
Connect an
FM
deviation
meter
to the
ANTENNA CON-
NECTOR
via
an
attenuator.
3.5kHj±10%
1
TONE
CALL
TONE
UMT
TONE
CALL UNITW04)
RB07
-t
R510
X601
RS03
±3.SkH?
6-5