Marantz SR7009/U1B Service Manual page 125

R2A15220FP
EXT IN
R2A15218FP
+20dB
+10dB
200mVrms 0dB
-10dB
-20dB
-30dB
-40dB
SR7009
LEVEL DIAGRAM
SUBWOOFER ch
PCM1690
＋ ＋
PLD D/A
－ －
DSP
Differential Out PCM1690
2.83Vrms=0dBFS
-10dBFS
-20dBFS
-30dBFS
+3.3dB
-37dBFS(DIG.IN:PCM)
PCM INPUT:-20dBFS LFE 30Hz
-43dBFS
DD INPUT:-30dBFS LFE 30Hz
(DIG.IN:DD Config1)
-40dBFS +3.3dB
ANA INPUT:200mVrms L+R 30Hz
-43.5dBFS(A/D IN)
+3.3dB
-50dBFS
MAX. SIGNAL LEVEL
R2A15218FP/R2A15220FP MAX. OUTPUT 3.8Vrms
DOLBY LIMIT LEVEL (ALLch-3dBFS)
-2+17-
-2+17-0.5dB=14.5dB
-2+17+6.5=21.5dB
125
HDAM
MUTE
GAIN
ADJ.
＋
GAIN Setting of MASTER VOL 0dB
･DOLBY DIGITAL IN -2dB +17dB -0.5dB =+14.5dB
･ANALOG IN -2dB +17dB +6.5dB =+21.5dB
① ② ③ ④
①:Basic OFFSET of VOL=0dB (indication valude)
②:Channel compensation of Subwoofer
③:OFFSET of A/D input
④:System compensation of Digital Input
PRE OUT
SPEAKER
+30dB
+20dB
+10dB
PREOUT
310mVrms
0dB
PRE OUT
159mVrms
-10dB
-20dB
-30dB
-40dB