Level Diagram - Denon AVR-A110 Service Manual

Integrated network av receiver / amplifier
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LEVEL DIAGRAM

FRONT ch
NJU72750
LINE
MIC IN
Phono IN
PHONO AMP
GAIN:35.6dB(1kHz)
2.82Vrms:A/D FULL SCALE
+20dB
851mVrms
+10dB
LINE IN/EXT IN
200mV
0dB
-10dB
+37.60dB
-20dB
MIC IN
11.48mVrms
ACM2(DM-A409)Sensitivity:
-38.8dB/Pa=11.48mV/Pa at94dBSPL@Operation Voltage 5.0V
(94dBSPL is expected to -11dBFS)
-30dB
-40dB
LEVEL DIAGRAM
AK4490
PLD
AK5358
D/A
TO ZONE2
DSP
x2pcs
TO ZONE3
DAC:AK4490
1.98Vrms=0dBFS
ADC:AK5358
-8.5dB
0dBFS=1.06Vrms
-10dBFS
-8.5dB
AD IN=319mVrms
-10dBFS
SW:YES
-20dBFS(DIG.IN)
-23dBFS(A/D IN)
-20dBFS
-8.5dB
AD IN=75mVrms
-30dBFS
SW:NONE
-32dBFS(DIG.IN)
-30dBFS
-35dBFS(A/D IN)
-40dBFS
-40dBFS
FRONT ch
NJU72343
NJU72750
Volume IC: NJU72343 NON CLIP MAX SIGNAL LEVEL 4.2Vrms
FULL SCALE LEVEL = 2.0Vrms
DOLBY LIMIT LEVEL = 1.41Vrms (ALL ch -3dBFS)
L.P.F GAIN = +0.4dB
-2.5dB
+0.5dB
+9.5dB
+12.5dB
GAIN Setting of MASTER VOL 00dB
W S
Y :
S E
(
I D
I G
A T
) L
2 -
・SW:YES (ANALOG)
-2.0dB
・SW:NONE (DIGITAL)
-2.0dB -0.5dB
・SW:NONE (ANALOG)
-2.0dB
①:Basic OFFSET of VOL=0dB (indication valude)
②:Fine-tuning by software Digital input
③:Voltage due to hardware of analog input
④:OFFSET of SW NONE
53
NJU72751
NJU72750
GAIN
ADJ.
Headroom:3dB
+29dB
-2.5dB
LINE IN/EXT IN
0 .
B d
0 -
5 .
B d
=
2 -
5 .
B d
-0.5dB
+3.0dB = +0.5dB
+12.0dB
= +9.5dB
-0.5dB +12.0dB +3.0dB = +12.5dB
H/POUT
SPEAKER
OUT
MUTE
PRE OUT
+30dB
4.24Vrms/8Ω
SPK OUT
+20dB
-23.7dB
276mVrms/33Ω
+10dB
+10.1dB
-6.0dB
H/POUT
238.8mVrms/33Ω
200mVrms
PRE OUT
150mVrms
-10dB
-20dB
-30dB
-40dB

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