Fm Stereo Separation Adjustment; Stereo Modulator; Am, Fm Auto Level Adjustment - Marantz SR5000/N1B Service Manual

(6) FM STEREO SEPARATION ADJUSTMENT

Signal Generator : Connect to FM Ant. (FM 75 ohm) through the
dummy.
Band Frequency SSG Condition
Moudulation : L or R only
100.10 MHz Modulation Frequency : 1 kHz
FM
Output Level : 66 dB

STEREO MODULATOR

(7) AM, FM AUTO LEVEL ADJUSTMENT

Signal Generator : Connect to FM Ant. (FM 75 ohm) through
the dummy.
Connect to the AM Ant. Coil thriugh the Loop antenna.
Band Step Signal Generator
1 100.10 MHz 30dB TUNED Display off
FM
2 100.10 MHz 30dB TUNED Display on
1 990 kHz 76dB
AM
2 990 kHz 76dB
Adjust for
Different of R
or Lmust be
maximum
FM-SG
MHz
OUT
UNIT
FM Dummy
FM 75ohm in
VR04
Adjust for Adjustment
VR1
VR1
TUNED Display off VR2
TUNED Display on VR2
Adjustment
VR4
AC EVM OSCILLOSCOPE
OUTPUT
39