Vitek VT-3524 ALIGNMENT PROCEDURE
GND
CO-TECH ELECTRONIC LIMITED
FM ALIGNMENT PROCEDURE
DATE:___5/7/2006_____________
PAGE:____1OFF2____________
MODEL:CT-803AM/FM
SET BAND SWITCH TO RADIO MANUAL. VOLUME AT MINTMUM.BAND SW. IM"FM"POSITION.
STEP
1
CONNECT
OUTPUT
OF TEST
EQUIPMENT
FM IF SWEEP
GENESCOPE TO
TP3
AND
CONNECT
INPUT
OF TEST
EQUIPMENT
FM IF SWEEP
GENESCOPE TO
GROUND AND
TP2
SIGNAL
MARRER
FREQUENCY
10.7 MHz
SET RADIO
DIAL TO
LOW-END
FREQUENCYCF2&BT2
ADJUST ADJUST FOR
FOR MAX
SYMMETRICAL
AND LINDAR"S"
CURVE AT 10.7MHz
2
FM RF SWEEP
GENESCOPE TO
3
4
5
6
REPEAT STEP 4 AND 5
TP3
AND
GND
FM RF SWEEP
GENESCOPE TO
GROUND AND
TP1
87.5
MHz
108.5
MHz
90 MHz 90 MHz
106 MHz 106 MHz
LOW-END
PREQUENC
Y
HIGH-END
FREQYENC
L1
PVC1
L2
PVC2
MAX PEAX AT
CORRESPONDTNG
MARKER
FREQUENCY
CO-TECH ELECTRONIC LIMITED
AM ALIGNMENT PROCEDURE
DATE:__5/7/2006_____________
PAGE:_____2OFF2___________
MODEL:CT-803AM/FM
SET EAND TO RADIO MANUAL ON,VOLUME AT MINTMUM,EAND SW.IN"AM"POSTTION.
STEP
1
2
3
4
5
CONNECT
OUTPUT
OF TEST
EQUIPMENT
AM IF SWEEP
GENESCOPE
TAP3/GND
AM RF SWEEP
GENESCOPE
TAP3/GND
CONNECT
INPUT
OF TEST
EQUIPMENT
AM IF SWEEP
GENESCOPE
VLALOOP
ANT1
AM RF SWEEP
GENESCOPE TO
VLALOOP
ANT1
SIGNAL
MARRER
FREQUENCY
465
KHz
520
KHz
1640
KHz
600 KHz 600 KHz
1400 KHz 1400 KHz
SET RADIO
DIAL TO
LOW-END
FREQUENC
Y
LOW-END
PREQUENC
Y
HIGH-END
FREQYENC
ADJUST ADJUST FDR
MAX-PEAE AT
CF1
BT1
PVC4
AMCOILL
PVC3
MARKER FREQUENCY
465 KHz
MAX PEAX AT
CORRESPONDLNG
MARKER
FREQUENCY
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