SOLIDYNE
AUDIMAX 362
Pág. 15
Chapter 4 – SC 100 stereo coder calibration
Normally the stereo coder doesn’t need calibration because it’s a full stable (after many years) design based
on
digital oversampling 16x
technology. If you wish to make a control or fine-tuning please follow the
following steps.
PLEASE! IF YOU DON’T HAVE A GOOD KNOWLEDGE OF THE MATRIX STEREO THEORY OR DON’T HAVE THE
APPROPRIATE MEASUREMENT SET, DO NOT INTEND TO CALIBRATE THE STEREO CODER.
4.1
Test points diagram
(components side)
4.2
Verify Pilot Level
a) Connect to ground the test point
TP1
in order
to eliminate the 19 KHz pilot tone. Use a good
DC-20 Mhz calibrated oscilloscope at the
MPX output connector. Connect a sine wave
generator at the LEFT input of the audio
processor, at 1 Khz, + 4 dBm output. Verify
that the output waveform looks like FIG-1. Set
the output level preset to maximum (4 Vpp).
Summary of Contents for AUDIMAX 362
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