ZONE2 ch (w/Source)
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
LINE IN
NR1200
LEVEL DIAGRAM
Distribution
ZONE2(w/ Source)
200mV
+30dB
LINE IN
NJU72750
ZONE2
PCM5100
D/A
PREOUT
157mVrms
-
DSP
PLD
AK5358B
A/D
PCM5100
D/A
0dBFS = 2.1Vrms
0dBFS
-10dBFS
-20dBFS
-30dBFS
-40dBFS
PCM5100
Differential Out
-10dBFS
0dBFS=1.06Vrms
-20dBFS
-30dBFS
-40dBFS
A/D IN
75.2mVrms
(-23.0dBFS)
AK5358B
-8.5dB
-20dBFS(DIG.IN)
-23.0dBFS(A/D IN)
GAIN setting of MASTER VOL 00dB
・DIGITAL in
-2.0dB + 7dB
= +5.0dB
・ANALOG in
-2.0dB + 7dB
+3dB
= +8.0dB
①
②
①:Basi
c OFFSET of VOL=0dB
②:OFFSET of t
he AD input
+8.0dB
+5.0dB
NJU72750
HEOS
BT_TX
-
PCM9211
A/D
To LEGO
-10dBFS
0dBFS=1.06Vrms
-20dBFS
-30dBFS
-40dBFS
PCM9211
GAIN
NJU72343
from
F-ch
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
37