CENTER and SURROUND ch
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
-20dB
-30dB
-40dB
-10dB
LINE IN/EXT IN
DAC:AK4458
AVR-X4300H
LEVEL DIAGRAM
CENTER/SURROUND ch
1.98Vrms=0dBFS
-10dBFS
200mV
+30dB
S
P
K O
U
T
+
29d
B
F
U
L
L S
CAL
E
LE
V
E
L
= 2.0V
r
ms
DOLBY LIMI
T
LEVEL = 1.41
V
rms (
A
LL ch -
3
dBF
S
)
GAIN Setting of MASTER VOL 00dB
・SW:YES (DIGITAL) -2.0dB -0.5dB = -2.5dB
・SW:YES (DIGITAL) -2.0dB -0.5dB +3.0dB = +0.5dB
① ②③④
①:Basic OFFSET of VOL=0dB (indication valude)
②:Fine-tuning by software Digital input
③:OFFSET of SW NONE
④:OFFSET of A/D input
-20dBFS(DIG.IN)
+
+
SPEAKER
OUT
DS
P
x
4
p
c
s
NJU72343
GAIN
ADJ.
PRE OUT
MUTE
A
K4458
D
/
A
-
-
+
P
L
D
PRE OUT
4.24Vrms/8Ω
-2.5dB
L
.
P
.F
GA
I
N
= +
0
.4dB
200mVrms
Headroom:3dB
-23dBFS(A/D IN)
V
o
l
um
e IC
:
NJ
U7
23
4
3
N
ON
C
LI
P M
A
X
SI
G
N
A
L L
E
V
E
L
4.
2
V
rm
s
+0.5dB
1
5
0mV
r
ms
-2.5dB
LINE IN/EXT IN
SW:
Y
E
S
51
Caution in
servicing
Electrical Mechanical Repair Information Updating