Telephone Adjustments; Handset Section Adjustment - Sanyo CLA-1380 Service Manual

This cordless telephone is composed of
two sections, the
base stations and the handset.
The 30 MHz and 39 MHz frequency bands are used for these
communications.
There are 10 channels, each consisting of two frequencies,
one from the 30 MHz band and one from the 3 9MHz band.
AT any given time, communications between the base station
and handset use one pair of these frequency channels.
CHANNEL
BASE STATION : TX
HANDSET : TX
* HANDSET : RX * BASE STATION : RX
1 30.075 MHz
39.775 MHz
2 30.100 MHz
39.800 MHz
3 30.125 MHz
39.825 MHz
4 30.150 MHz
39.850 MHz
5 30.175 MHz
39.875 MHz
6 30.200 MHz
39.900 MHz
7
30.225 MHz
39.925 MHz
8 30.250 MHz
39.950 MHz
9 30.275 MHz
39.975 MHz
0(1o)
30.300 MHz
40.000 MHz
TEL
BASE STATION
--------:
30 MHz BAND
o
I
CONTROL TX
1 -----
---
L
1
i
I
I I
I I
I
39 MHz BAND
I
RX
----- --
I
~1
L ---- ---- ---- --- J
MEASURING INSTRUCTIONS, TOOLS
(1)
(2)
(3)
k
(4)
(5)
(6)
(7)
(8)
(9)
FM STANDARD SIGNAL GENERATOR :
MSG-2560B, etc.
(Frequency :100
kHz -110
MHz
Modulation : 2,5kHz, Level : 46dBP)
LINEAR DETECTOR (FOR FM ) :
LD-460 etc.
RF VTVM or ELECTRONIC VOLTMETER :
ML-69A etc.
FREQUENCY COUNTER : VP-4050A, etc.
AF VTVM or AF AC VOLTMETER (ACVM)
AF OSCILLATOR (1 kHz)
DIGITAL VOLTMETER
DC POWER SUPPLY
TELEPHONE ANALYZER :1050
HANDSET SECTION
Note :
Disconnect the Ni-Cd battery and feed 3.8V from the DC
power supply.
o During adjustment, disconnect the antenna lead wire.
. Set unit to "TEST" mode by shorting the "TEST POINT"
(POO1) as shown in right figure.
I
I
+-El-a M"
L ---- ---- ---- J
TEST POINT
m-— -
44
SH;R T
-REMOTE CONTROL
PWB
a
POWER
SUPPLY
Oc 38V
-18–