Marantz SD4050 /N1B - Page 7

7
4-2-3 Playback performance
Deck settings :
Mode : PLAY
DOLBY NR Switch : OFF
TEAC test tapes :
MTT-150C : For Dolby lavel calibration
MTT-25702 : For playback frequency response check NORMAL tape
MTT-5513 : For S/N check NORMAL tape
1. Head
azimuth
adjustment
2. DOLBY level
4. Meter level
3. Playback
output level
7. Playback
S/N ratio
6. Playback
frequency
response
5.PHONES
output level
PHONES
PLAYBACK
REC/PLAY
Connection:Fig. 2-4
Check and adjust in
FWD, REV
respectively
Connection:Fig. 2-2
FWD, PLAY
MTT-150C Check
REV azimuth
FWD azimuth
(Fig. 2-5)
R11/R21
R12/R22
Check
Check
46dB min.
250
1k
+4dB
-4dB
12.5k (Hz)
Check
Check
Check
Azimuth screws
MTT-150C
MTT-150C
MTT-150C
MTT-150C
MTT-25702
(12.5kHz)
Connection:Fig. 2-3
FWD/REV PLAY
Connection:Fig. 2-3
Connection:Fig. 2-3
MTT-25702
MTT-5513
Playback the
leader tape portion
ITEM REMARKSSETTING
INPUT SIGNAL
ADJUSTMENTS
MEASURING
POINTS, RESULT
LINE OUT:
Phase: within 45
LINE OUT:
Maximum output
level at L & R -ch
TP1/TP2:
-6dB
Ratio of ref.
level to noise
Ref. output level
LINE OUT:
-4.5 1dB
LEVEL METER:
mark 1dot
PHONES:
-19 3dB
8 load