Marantz SR-53 - Page 18

@ Multiplex Alignment
(Function switch at “FM” position and MODE switch at “AUTO STEREO” position)
Digital
Readout
Frequency
Setting
Signal
Frequency
Indicator
Connection
Signal Source Connection
FM signal generator 500 uwV
output modulated by MPX Stereo VTVM to R-channel
L-channel_ | output (TAPE OUT R
antenna terminal (75-ohm) channel) R301 so that
Modulation level: channel separation is
1HF67.5 kHz +9% pilot dev. identical between both
ta
DIN 40 kHz +8% pilot dev. Steven VTVM to L-channel channels.
.R-channel | output (TAPE OUT L
(1,000 Hz) | channel)
signal generator to FM (1,000 Hz)
6. AM/MW Alignment Procedures
(Function switch at “AM” position)
@ AM IF Alignment
Digital
Readout
Frequency
Setting
Signal
Frequency
Indicator
Connection
Signal Source Connection
Sweep generator to AM
antenna terminal
FAO1 for Europe versions,
LAO6 Europe USA, versions
maximum and symmetrical
waveform,
AC VTVM to L- or R-
450 kHz channel output (TAPE
OUT)
@ AM RF Alignment
Digital
Readout
Frequency
Setting
603 kHz
(P5) LAO1 for maximum output.
Signal
frees
,
Frequency
Indicator
Connection
Signal Source Connection Adjust
AM signal generator to AM
loop antenna in a test loop
VTVM to L- or R-channel
output (TAPE OUT)
1,404 kHz
(P7)
CA01 for maximum output.
Repeat steps 1 and 2 until sensitivity is maximized.
@ LW RF Alignment
(For Europe version)
:
Digital
‘
:
Signal
;
:
Readout
Signal
Source
Connection
Frequency
Indicator
Connection
Frequency
Setting
173 kHz
(P8)
AM signal generator to AM
loop
antenna
in
a
test
loop
173
kHz
LAO3 for maximum
output.
CAO08 for maximum
output.
VTVM to L- or R-channel
output (TAPE OUT)
(P10)
272 kHz
Repeat steps 1 and 2 until sensitivity is maximized.
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