FOB ADJUSTMENT, USE A PLASTIC SCREWDRIVER.
ADJUST THE INTERMEDIATE FREQUENCY TO THE FREQUENCY OF CERAMIC FILTER.
AM IF
OUTPUT
CONNECTIONS FREQUENCY
TUNING
ADJUSTMENT INDICATION
OSCILLOSCOPE
TO. IC201 PIN11 465KHz
HIGH END
BALANCE &
MAX
FM IF
OUTPUT
CONNECTIONS FREQUENCY TUNING
ADJUSTMENT INDICATION
OSCILLOSCOPE
TO. IC201 PIN11 10.7MHz
LOW END
BALANCE &
MAX
AM BAND
INPUT
OUTPUT
1
525KHz
LOW END
T201
2
1625KHz
HIGH END TC3
3
600KHz
600KHz
AM Coil
4
1400KHz
1400KHz
TC4
5
FM BAND
INPUT
OUTPUT
1
87MHz
LOW END
L203
2
108.5MHz
HIGH END TC1
3
90MHz
90MHz
L202
4
106MHz
106MHz
TC2
5
ALIGNMENT PROCEDURES
INPUT CONNECTIONS
PLACE SWEEP GENERATOR
CLOSE TO AM COIL
INPUT CONNECTIONS
PLACE SWEEP GENERATOR
CLOSE TO IC 01 PIN1
CONNECTIONS
ADJUSTING
CIRCUIT
STEP
TUNING
COVERAGE
TRACKING
REPEAT ADJUSTMENTS (FROM STEP 1 TO STEP 4)
SWEEP
GENERATOR
TO TEST
LOOP
OSCILLOSCOPE
TO. IC201 PIN11
MAX
FREQUENCY
ADJUSTMENT
TUNING
INDICATION
STEP ADJUSTING
CIRCUIT
CONNECTIONS
FREQUENCY
REPEAT ADJUSTMENTS (FROM STEP 1 TO STEP 4)
TUNING
ADJUSTMENT INDICATION
TUNING
COVERAGE
SWEEP
GENERATOR
TO. FM ANT
OSCILLOSCOPE
TO. IC201 PIN11
TRACKING
MAX
