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AM I.F. ALIGNMENT
1. Set the FUNCTION SWITCH to RADIO
2. Set the BAND SELECTOR switch to AM .
3. Connect a SWEEPSCOPE OUTPUT to AM ant Terminal.
4. Connect a SWEEPSCOPE INPUT to pin18 of IC4 TA2111N through a 1uF capacitor and ground.
STEP SET SIGNAL SET DIAL ADJUST ADJUST FOR
1 455KHz GANG OPEN IF1 (AM IF) CENTRE
& MAXIMUM OUTPUT
AM R.F. ALIGNMENT
1. Connect an RF generator to a standard radiating loop.
2. Connect a SCOPE VTVM across the speaker output.
STEP SET SIGNAL SET DIAL ADJUST ADJUST FOR
1 520KHz GANG CLOSED IF3 (AM OSC COIL)
2 1720KHz GANG OPEN PV1-D (AM OSC TRIM.) MAXIMUM
3 600KHz 600KHz L6 (AM ANT COIL) OUTPUT
4 1400KHz 1400KHz PV1-C (AM ANT TRIM.)
5 REPEAT STEPS 3 AND 4 TO OBTAIN BEST TRACKING.
FM I.F. ALIGNMENT
1. Set the FUNCTION SWITCH to RADIO
2. Set the BAND SELECTOR to FM position.
3. Connect a SWEEPSCOPE OUTPUT to pin 21 of IC4 TA2111N through a 20pF capacitor and ground.
4. Connect a SWEEPSCOPE INPUT to pin18 of IC4 TA2111N through a 1uF capacitor and ground.
STEP SET SIGNAL SET DIAL ADJUST ADJUST FOR
BALANCED CURVE
110.7MHz GANG OPEN Check WITH 10.7MHz AT
ZERO CROSSOVER
FM R.F. ALIGNMENT
1. Connect an RF generator to the FM antenna terminal and ground.
2. Connect a SCOPE & VTVM across the speaker output.
STEP SET SIGNAL SET DIAL ADJUST ADJUST FOR
1 87MHz GANG CLOSED L3 (FM OSC COIL)
2 108.5.MHz GANG OPEN PV1-A (FM OSC TRIM.) MAXIMUM
3 90MHz 90MHz L4 (FM RF COIL) OUTPUT
4 106MHz 106MHz PV1-B (FM RF TRIM.)
5 REPEAT STEPS 3 AND 4 TO OBTAIN MAXIMUM OUTPUT.
CASSETTE ALIGNMENT
1. Set the FUNCTION SELECTOR switch to TAPE.
2. Connect a Scope & VTVM across the speaker output.
3. Insert the 8KHz tape in to cassette deck and push play buttom.
4. Adjusting HEAD for speaker maximum output.
ALIGNMENT INSTRUCTION
