CENTER / SURROUND ch
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
-20dB
-30dB
-40dB
-10dB
LINE IN/EXT IN
DAC:AK4458
AVR-X6300H
LEVEL DIAGRAM
CENTER/SURROUND ch
1.98Vrms=0dBFS
-10dBFS
200mV
+30dB
S
PK O
U
T
+
29
d
B
F
U
L
L SC
AL
E L
E
V
E
L = 2
.
0V
rm
s
D
OL
B
Y
LIM
IT
L
E
V
EL
=
1
.4
1V
rm
s
(
A
LL
c
h
-3
dB
F
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
x4p
c
s
NJU72343
GAIN
ADJ.
PRE OUT
MUTE
A
K4458
D
/
A
-
-
+
PLD
PRE OUT
4.
2
4Vrm
s/
8Ω
-2.5dB
L
.P
.F GA
I
N
=
+
0.
4dB
200mVrms
Headroom:3dB
-23dBFS(A/D IN)
V
o
lum
e I
C
:
N
J
U7
2
3
4
3
N
O
N C
L
I
P M
AX
S
I
G
N
A
L L
EVE
L
4
.
2Vr
m
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