Denon HEOS AVR Service Manual page 27

SUBWOOFER ch
+20dB
+10dB
200mVrms 0dB
-10dB
-20dB
-30dB
-40dB
HEOS AVR
LEVEL DIAGRAM
SUBWOOFER ch
PCM1690
＋ ＋
PLD D/A
－
－
ADSP21487KSWZ-4BB
DSP
Differential Out PCM1690
2.83Vrms=0dBFS
-10dBFS
-20dBFS
-30dBFS
+3.3dB
INPUT : -20dBFS(DIG.IN) PCM 34dBFS(DIG.IN:PCM)
+3.3dB
-34.5dBFS(A/D IN)
+3.3dB
INPUT : 200mV(A/D IN)
-40dBFS
-40dBFS
(DIG.IN:DD
Config1)
INPUT : -30dBFS DD LFE
-50dBFS
BD3473KS2
MAX. SIGNAL LEVEL
BD3473KS2 MAX. OUTPUT 3.8Vrms
DOLBY LIMIT LEVEL (ALLch-3dBFS)
-2+14-0.5dB=+11.5dB
-2+14-0.5dB=11.5dB
-2+8+6=+12dB
27
MUTE
GAIN
ADJ.
PRE OUT
+30dB
+20dB
+10dB
PREOUT
310mVrms
0dB
PRE OUT
159mVrms
-10dB
-20dB
-30dB
-40dB