LEGO ADC
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
LINE IN
NR1510
LEVEL DIAGRAM
LEGO ADC
200mV
+30dB
LINE IN
NJU72750
-
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
-27dBFS
(DIG.IN)
-30.0dBFS
(A/D IN)
NJU72750
BT_TX
-
PCM9211
A/D
To LEGO
-10dBFS
0dBFS=1.06Vrms
-20dBFS
-30dBFS
-40dBFS
PCM9211
INPUT : -20dBFS(DIG.IN) PCM
200mV(A/D IN)
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
43