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right channel resistor.
* QOdBV=1V
DOLBY NR
SPEEO
INPUT
i
LINE
FUNCTION
. REC for recording,
NORMAL for playback
OUTPUT
NORMAL
-head
under TEST
Fig. 6-1
0° {IN PHASE)
180°
Fig. 6-2
61. PLAYBACK
LEVEL
1) Playback Test Tape MTT-150.
TP
(TP2/TP4)
(TP9/TP10 for CUE. channef).
Check that the level meter reads —4.7 dBV
(580 mV).
ment with semi-fixed variable resistors R113,
"R243;and R311.
4) Connect a level meter to terminals OUTPUT.
Check that the level meter reads —1 dBV (891
mV) +1 dB when the OUTPUT control is set
.. atts maximum position.
"S) Adjust
the OUTPUT
level control so that
the OUTPUT
level is indicated
as —7 dBV
- {447.-mV) .At-this time, also-confirm-that-the
+4 dBm
BAL OUTPUT
terminal level is +7
OGBm +1 dB.
this condition,
and check
that the output
tevel rises 10°dB +1 dB. Then reset the switch
at NORMAL.
6-2. VU METER
READING
1) Playback Test Tape MTT-150.
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