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ADJUSTMENT
*'
BASE STATION SECTION
TEST mode setting :
NntI? :
Before connecting
DC 9V to uni, parform
the following
.. ----
operation.
During adjustment,
disconnect
the antenna wire from the
base station unit.
Push 3 button at once :
"STOP" (SW454)
.
Connect the AC Adaptor
(DC 9.0 V --- center minus) into
"PLAY"
(SW453)
the DC jack.
"ANSWER"
(SW452)
PARTS LOCATIONS
A beep signal will be heard after DC supply connected,
Or by shorting
"TEST"
round (solder side)
b'
SHORT
POINT
1.
VCO
(BASE STATiON)
Test Equipment
(1)
Digital voltmeter
(2)
Frequency
Counter
.*
\,,
............
....... .....
CN902
2
DC IN
VR801
CN901
m
TEL LINE
VR703
S403
~~ o~
II
,
I
J
u
-., -
.>-
MIN
MAX
OFF LO H]
OFF ON ANS
VOLUME
RINGER
CPC ONLY
Unit Condition
(1) Setting
band :10 channel (Initial setting)
Select
channel
10 by "FFWD"
button.
Confirm
at
Frequency
Counter.
2. RX VCO
1.
TX VCO
(1)
Connect a Frequency
counter to CN101.
(1) Connect a Frccluency counter to CN101.
(2)
Connect
a Digital voltmeter
and switch S103 to CN
(2) Connect
a Digital voltmeter
and switch S103 to CN
102.
102.
(3)
Set
switch S103 to the TX position.
(3) Set switch S 103 to the RX posihon.
(4) Adjust
T202 so that the reading
of (he Digital volt-
(4) Adjust T102 so that the reading
of the Digital volt-
meter is 2.5 V fO.2 V,
!meier is 2.5 V tO.2 V.
STEP
CONDITION
ADJUST
ADJUST
VALUE
SPECIFICATION
1.
TX VCO
S103 : TX SIDE
T202
2.5 V
2.55 o.2v
2.
RX VCO
I
S103 : RX SIDE
TI02
2.5 V
2.5 ? 0.2\J
Cb!lol
Unit
CNI02
L1OI(H)
IC403 Pin15
TX VCO
!=%
'103
1~
Pinl O
RX VCO
L
Digital
RX
GND
Voltmeter
(OPTIONAL)
-22–
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Troubleshooting
