Marantz SR800 - Page 6

Signal Source
Connection
Signal
Frequency
3.4 MULTIPLEX ALIGNMENT PROCEDURES
(Selector switch in the “FM” and STEREO/MUTING position)
Indicator
Connection
Set Dial
Pointer to:
Adjust:
RF generator to FM
antenna terminals
through matching
network (300 ohms,
balanced), with ImV
FM stereo simulator
RE level and 100%
modulation (pilot 9%)
(JO36)
No
modulation
Frequency counter
to point (J301)
R304 so that frequency
counter may precisely
read 19 kHz.
VTVM to right
Stereo, left éhannel ouggur
utpu
1,000 H
Cae) (JV02)
: VTVM to left
Stereo, right
channel! output
(1,000 Hz)
(JVO2)
98 MHz
R313 for minimum
output and same
separation in both
channels.
4. AM ALIGNMENT PROCEDURES
(Selector switch in the ‘““MW” or ‘““LW” position)
Signal Source
Connection
Sweep generator to
AM sweep input,
Signal
Frequency
450 kHz
marker
RF generator to
AM antenna terminals
through IHF dummy.
525 kHz
Indicator
Connection
4.1 AM IF ALIGNMENT
Oscilloscope to
point © (JAQ6)
4.2 AM RF ALIGNMENT
1,630 kHz
VTVM to Lor R
600 kHz
channel output
(JV02)
1,400 kHz
Repeat steps 2 and 3.
Set Dial
Pointer to:
Quiet point on
band.
520 kHz with
tuning gang closed.
LAOS, LAO6 for maxi-
mum and symmetric
response.
LAO4 for maximum
output.
1,630 kHz with
tuning gang open.
O.S.C. trimmer for
maximum output ©.
600 kHz
LO51 for maximum
output.
1,400 kHz
Ant. trimmer for
maximum output ®.
Repeat steps 1 to 4 as necessary to obtain maximum sensitivity.