Marantz SR1100L - AM Alignment Procedures

3.4 AM
Alignment Procedures
(Function
iwitch in the
"AM"
position)
'1
. AM
lF Alignment
Stop
Sign.l So(l
rc.
Conn6ction
Sign.l lndicator
Connsction
Sor Dbl
Pointer toi
Adiun
1
Sweep
generator
to
OSC Variable
Cap.
450
kHz marker Oscilloscope
to T.P. Ouiet
point
on
band
LA02 & LAO3
for m6ximum
ano symmetflc response.
2. MW RF Alignment
3.
LW RF Alignment
Test Loop
FigurB
3. Application
of AM Signtl
St.p
Signal
Sourca
Conmction
Signal lndic.tor
Connoction
S€t tho Dioir.l
Reado0t
Fr€qu6ncy
Adjust
Apply the signalto
the AM bar antenn€
from rhe RF
generator,
using
the test
loop.
as
per
the
Figure
2.
520
kHz
channel
output
Tuning capacitor
minimum
closed.
LB04
for maximum output,
1,630 kHz
Tuning capacitor
CBO2 for maximum output.
600 kHz
600
kHz
LB01
for maximum output.
4 1,400
kHz
1,400
kHz
CB01
for
maximum output.
Rep€at steps 1 to 4
d
necessary to obtain maximum
sensitivity.
Al\4
Loop Antenna
Stop
Sigrul SoU
rce
C,onn€ction
Signal
lndic€tor
Connection
Set
ohl
Pointor to
Adjun
I
RF
g€norator
to
Alvl an'tenna
t6rminals
through
IHF
dumrrry
145 kHz
'l45
kHz
wirh
tuning
gang
closed.
L803 for maximum output.
2
380
kHz
380
kHz with
tuning
gang
op€n.
CB02
for maximum output.
't70
kHz
170 kHz LB02 for rmximum outpul.
4
350
kHz 350
kHz
CBo1
for
maximum
output.
5 450 kHz
Tuning
geng
clos6d. LB05 for minimum output.
Rep€at
steps
1 to 4
as
necossary to obtain maximum senritivity.