Fm Alignment - Marantz SR7200 Series Service Manual

2-4. FM Alignment

Output of signal generator should not be greater than necessary to obtain an optimum output reading.
Signal generator modulation .................. MAIN : 53.5%, PILOT : 10% (K,N)
Signal frequency .......................................... 1kHz / Deviation : 40kHz (K,N)
Modulation frequency .................................. 90.1MHz, 98.1MHz, 106.1MHz
Switch ........................................................... press the BAND Button to FM
Step Subject
1 Tunning
voltage
2 FM DET.0V
and
Distortion
Adj
3 STEREO
Separetion
4 Seek
stop level
MAIN : 90%, PILOT : 10% (U)
1kHz / Deviation : 75kHz (U)
Signal Set
generator frequency
setting setting
87.5kHz 87.5kHz
108kHz 108kHz
98.1kHz 98.1kHz
98.1kHz 98.1kHz
98.1kHz 98.1kHz
Equipment Adjustment
connection point
DC voltmeter
AC voltmeter
FD1 , FD2
oscilloscope
R17
DC voltmeter
tape monitor
L/R
AC voltmeter
MIX coil CO4
oscilloscope
SVR02
DC voltmeter
tape monitor
L/R
AC voltmeter SVR 01
oscilloscope
tape monitor
L/R
47
Adjust for
87.5 MHz : 1.35 ~ 1.65V
108.0 MHz : 6.5V ~ 8.5V
Minimize 0V and distortion
Minimize STEREO distortion
and Maximize separatio
Separation L to R
Separation R to L
Scan stop point to 22dBu