Marantz SR5013 - Page 49

SUBWOOFER ch
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
SR5013
LEVEL DIAGRAM
SUBWOOFER ch
-
2
.0-
0
.5+
1
4=11.
5
dB
+30dB
-
2
.0-
0.5+
1
4+
3=
+1
4.
5
d
B
MA
X
SIGN
A
L L
E
VEL
D
OLB
Y
LI
M
IT LE
V
EL (
A
LL
c
h-3
d
B
F
S)
0dBFS
-10dBFS
-20dBFS
-30dBFS
-40dBFS
AK4458
NJU72343 MAX. OUTPUT 4.2Vrms
＋
SPEAKER
OUT
D
SP
GAIN
ADJ.
P
LD
NJU72343
PREOUT
PREOUT
150mVrms
-40dBFS(DIG.IN)
DD Config1
INPUT:-30dBFS DD LFE
-34dBFS(PCM.IN)
-37dBFS(A/D IN)
INPUT : -20dBFS(DIG.IN) PCM
200mV(A/D IN)
+6.5dB
MGAIN setting of MASTER VOL 00dB
･DOLBY DIGITAL IN -2.0dB - 0.5dB + 14dB =+11.5dB
･PCM DIGITAL IN -2.0dB - 0.5dB + 14dB =+11.5dB
･ANALOG IN -2.0dB + 14dB + 3.0dB = + 15.0dB
① ②③④
①:Basic OFFSET of VOL=0dB
②:Fine-tuning by Digital input
③:OFFSET of SW-ch
④:OFFSET of A/D input
-
2
.
0-0
.
5+1
4
=
1
1
.
5
d
B
PREOUT
300mVrms
0dBFS = +/-2.8Vpp=1.98Vrms
＋
－
AK4458VN
D/A
－
＋
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
49