Denon DR-M33HX Service Manual page 15

4. Checking the Input Sensitivity
(1) Set the MONITOR switch to SOURCE position, the
operational mode at STOP. Supply a 400 Hz signal
to the LINE IN terminal and set the input signal level
(approx. -20 dB) so that the output level at the LINE
OUT TERMINAL (L ch) becomes OdB.
(2) At the same time, check to make sure the R ch output
level is also OdB.
5. Checking the Operation of the DOLBY
Set the MONITOR switch to SOURCE. When a -41dB
signal input is made to the LINE IN terminal, check to
make sure the output freauSBCS^esponse from the LINE
OUT terminal meets the specification in the diagram below.
REC Amp
Dolby C Back to Back Frequency Response
Level: — 20dB from Dolby
Monitor; Source
Dolby NR: on, C
6. Adjusting the Playback Section
(1) Adjusting the playback level
Play back the Dolby standard level test tape (MTT-
150) and adjust RT 101 (L ch), RT 201 (R ch) so
that the LINE OUT voltage becomes 0 dB (0.775V).
(2) Adjusting the playback frequency response
Play back the test tape (TCC-262) and check to
make sure that the frequency response meets the
specifications in the diagram.
Playback Frequency Response
20 50 100 200 500 IK 2K 5K lOK ZOKIHz)
PB Amp
LINE OUT
&
—
i^>-^
—fcy
Tape : TCC-262
When using MTT-316 make corrections along.
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