Denon HEOS AVR Service Manual page 25

LEVEL DIAGRAM
FRONT ch
BD3473KS2
LINE IN
＋
ATT ADC: -6 / -6.5 / -7.5 / -9 / -12dB
2.12Vrms:A/D FULL SCALE
+20dB
-6dB
+10dB
LINE IN
200mVrms 0dB
-6dB
-10dB
-20dB
-30dB
-40dB
HEOS AVR
LEVEL DIAGRAM
FRONT ch
PCM1690
PCM9211 ＋ ＋
PLD D/A
A/D
－
－
ADSP21487KSWZ-4BB
DSP
Differential Out PCM1690
2.83Vrms=0dBFS
PCM9211
0dBFS=1.06Vrms
-10dBFS
-20dBFS(DIG.IN)
-10dBFS
-20dBFS -2.6dB
-20.5dBFS(A/D IN)
-2.6dB
-20dBFS
-30dBFS
A/D IN
100mVrms SW:NONE -2.6dB
(-20.5dBFS)
-32dBFS(DIG.IN)
SW:NONE
-32.5dBFS(A/D IN)
-30dBFS
-2.6dB
-40dBFS
-40dBFS
25
GAIN
ADJ.
BD3473KS2 MAX. OUTPUT 3.8Vrms
MAX. SIGNAL LEVEL
DOLBY LIMIT LEVEL (ALLch-3dBFS)
-2-0.5dB
-2dB
-2+6=+4dB
-2+12-0.5=9.5dB
-2+12=10dB
Temp
GAIN Setting of MASTER VOL 00dB
･SW:YES (DIGITAL)
･SW:YES (ANALOG)
･SW:NONE (DIGITAL)
･SW:NONE (ANALOG)
+10.0dB
①:Basic OFFSET of VOL=0dB (indication valude)
②:OFFSET of SW NONE
③:OFFSET of A/D input
④:System correction at Digital input
TPA3251D2
BTL
+26dB
+26dB
-2dB -0.5dB= -2.5dB
-2dB+ = -2.0dB
-2dB+12dB -0.5dB= +9.5dB
-2dB+12dB =
① ② ③ ④
SPEAKER
OUT
+30dB
SP OUT 3.17Vrms
(4Ω/6Ω/8Ω)
+20dB
+10dB
0dB
-10dB
-20dB
-30dB
-40dB