Denon HEOS AVR - Page 25

LEVEL DIAGRAM
FRONT ch
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
LINE IN
-10dBFS
0dBFS=1.06Vrms
-20dBFS
-30dBFS
-40dBFS
A/D IN
100mVrms
(-20.5dBFS)
PCM9211
HEOS AVR
LEVEL DIAGRAM
FRONT ch
-2-0.5dB
200mVrms
+30dB
SP OUT 3.17Vrms
(4Ω/6Ω/8Ω)
+26dB
-2+6=+4dB
MAX. SIGNAL LEVEL
DOLBY LIMIT LEVEL (ALLch-3dBFS)
Temp
GAIN Setting of MASTER VOL 00dB
･SW:YES (DIGITAL) -2dB -0.5dB= -2.5dB
･SW:YES (ANALOG) -2dB+ = -2.0dB
･SW:NONE (DIGITAL) -2dB+12dB -0.5dB= +9.5dB
･SW:NONE (ANALOG) -2dB+12dB =
+10.0dB
① ② ③ ④
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
-2+12-0.5=9.5dB
-2+12=10dB
-2.6dB
SW:NONE
-32dBFS(DIG.IN)
-20dBFS(DIG.IN)
＋
＋
LINE IN
TPA3251D2
BTL
+26dB
SPEAKER
OUT
ADSP21487KSWZ-4BB
DSP
BD3473KS2
GAIN
ADJ.
PCM1690
D/A
－
－
＋
PLD
PCM9211
A/D
-2.6dB
2.83Vrms=0dBFS
-10dBFS
-20dBFS
-30dBFS
-40dBFS
PCM1690Differential Out
-2dB
-2.6dB
-2.6dB
BD3473KS2 MAX. OUTPUT 3.8Vrms
-20.5dBFS(A/D IN)
SW:NONE
-32.5dBFS(A/D IN)
-6dB
2.12Vrms:A/D FULL SCALE
ATT ADC: -6 / -6.5 / -7.5 / -9 / -12dB
-6dB
25
Caution in
servicing
Electrical Mechanical Repair Information Updating