Numark NS7 Service Manual page 25

6
D
INPUT PCB (9-40-0478(G))
MIC INPUT
Vmin for FS PREAMP
0.82mVpp
K = 510 (54.1dB)
0.29mVrms
Vclip
C
27mVpp
9.8mVrms
LINE INPUT
Vmin for FS
0.42Vpp
0.15Vrms
Vmax for clip
14.1Vpp
5Vrms
B
A
5
INVERTING SUM TRIM BUFFER
K = -1.3475 K = 0-1 K=-10
Vmin for FS Vmin for FS Vmin for FS
0.42Vpp -0.566Vpp -0.566Vpp
0.15Vrms -0.2Vrms -0.2Vrms
Vmax for clip
Vmax for clip Vmax for clip
-0.566Vpp
14.1Vpp none
-0.2Vrms
5Vrms
4 3
CODEC PAGE
Vmin for FS
DC BLOCKING
5.66Vpp
2Vrms
EQ
ADC INPUT
K=1 K = 1
Vadc=2Vrms
Vmax for clip
5.66Vpp
2Vrms
2
2nd order LPF
DAC OUTPUT
(Multiple Feedback)
Vdac=2Vrms
K = -3.258
Fc = 44.1kHz
Q=~Butterworth
2nd order LPF
DAC OUTPUT
(Multiple Feedback)
Vdac=2Vrms
K = -3.258
Fc = 44.1kHz
Q=~Butterworth
2nd order LPF
DAC OUTPUT (Multiple Feedback)
Vdac=2Vrms K = -3.258
Fc = 44.1kHz
Q=~Butterworth
With +-12V rails:
MaxOut
Expected THD (from 5532) at MaxOut:
0.0006% @ 1kHz
0.0006% @ 20Hz
0.004% @ 20kHz
Rated THD of DAC:
0.0032%
COMPANY:
TITLE:
NK06 ANALOG PCB
PART NUMBER: 9-40-0476-4
ASSY NUMBER:
9-79-0476-4-0
DRAWN: DATED:
09/16/2008
C. NICOLLS/JAB/AP
FILENAME: NK06AN400A.sch
RELEASED: DATED:
SCALE:
1
REVISION RECORD
LTR ECO NO: APPROVED: DATE:
D
LINE/XLR
PAGE
Single Ended
to
-18.4Vpp
Differential
-6.52Vrms
K=-1*2
13.04Vrms
24.5dBu
C
DRIVER
K=-0.523
3.41Vrms
10.6dBV
DRIVER
-18.4Vpp K=-0.523
-6.52Vrms 3.41Vrms
10.6dBV
DRIVER
-18.4Vpp K=-1.69
-6.52Vrms 11.0Vrms
20Vpp + 5dB
B
(fullscale+clip)
HP PCB
(9-40-0478(G))
5532 Spec Design
+11/-10.5V +-9.2V
NUMARK
A
AUDIO NOTES
REV: 4
SIZE:
C
2 5
SHEET: OF