Service manual

37
AVR-1909/789, AVC-1909
LEVEL DIAGRAMS (4/5)
SURROUND LEVEL DIAGRAM
㧗
㧗
D/A OUT
MUTE
EXT IN
+20dB
+10dB
˴0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
˴0dB
-20dB
-30dB
-40dB
-10dB
LINE IN/EXT IN
0dBFS
0.88Vrms
AVR-1909
LEVEL DIAGRAM
SURROUND ch
-2dB
0dBFS
-10dBFS
-20dBFS
-30dBFS
-40dBFS
-23dBFS(DIG.IN)
PCM or DD Config1
-25dBFS(A/D IN)
200mV
㧗
SPEAKER
OUT
+30dB
SP OUT
3.99Vrms/8Ω
+28dB
R2A15215FP
-2+2=0dB
NON CLICP MAX SIGNAL LEVEL 4.0Vrms
Config2˴D OLBY LIMIT LEVEL 1.41 Vrms(ALLch-3dBFS)
+10dB
㧙
-29.5dBFS(DIG.IN)
˴DD Config2
GAIN
ADJ.
-2+6.5=4.5dB
Config1˴D OLBY LIMIT LEVEL 1.41 Vrms(ALLch-3dBFS)
A/D
㧙
㧗
D/A
DSP
ADAU1328