Sony TCS-350 - Playback Level Adjustment; Record Bias Adjustment; Microphone Sensitivity Adjustment

TCS-350 TCS-350
Playback Level Adjustment Record Bias Adjustment Microphone Sensitivity Adjustment
Setting.
VOLUME: maximum
When replacing the built-in microphone, make sure
of color marking on end. of microphone lead or
color-painted on microphone body and connect
the pattern as shown in table.
3. Adjust VOLUME. so that 1kHz output level is
T7mV (—20dB).
4. Confirm that 250Hz and 6.3kHz output levels
Procedure:
Procedure: 1. Mode: record
Mode:
playback
af
osc
ae
—
oe
Bian tape are 55mV (—23dB) — 110mV (—17dB).
test
tape
€)
oN?
5.
If
necessary,
change
the
pattern
connection
and
microphone
lead
|
microphone
body
|
otter
P-4-L320
repeat
steps
3,
4
color
marking
color-painted
Oo attenuator
(315Hz,
~10dB)
orange
open
short
pattern @® VTVM reading
green
Adjustment Location:
PHONES
2)
250Hz
}
77V
(—80dB)
3) 6.3kHz
Specification:
Adjustment Location:
Level
difference
between
channels:
2.
Mode:
playback
less than 3.5dB
recorded
portion
1)
If
necessary,
connect
the
patterns
for
higher
level
channel.
2)
Confirm
that
the
output
level
of
PHONES
is
fixed when repeating playback and stop. PHONES
Adjustment Location:
“thy
—11—
|
—42—