Marantz SR7013 - Level Diagram

FRONT ch
LEVEL DIAGRAM
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
+20dB
+10dB
-20dB
-30dB
-40dB
-10dB
LINE IN/EXT IN
-10dBFS
0dBFS=1.06Vrms
-20dBFS
-30dBFS
-40dBFS
DAC:AK4458
ADC:AK5358
H/
POU
T
SR7013
LEVEL DIAGRAM
FRONT ch
1.98Vrms=0dBFS
-10dBFS
-30dBFS
-40dBFS
200mV
+30dB
S
P
K O
U
T
+29dB
F
UL
L SC
AL
E L
E
VE
L = 2
.
0V
rm
s
D
O
L
BY
LI
M
IT
L
EV
E
L
= 1
.
4
1V
r
m
s (A
L
L
c
h
-3
d
B
F
S
)
-20dBFS(DIG.IN)
＋
LINE IN
EXT IN
H/POUT
TO ZONE3
＋
SPEAKER
OUT
D
SP
x
4pcs
ANALOG
ATT
NJU72343
GAIN
ADJ.
PRE OUT
MUTE
TO ZONE2
AK
4
4
5
8
D/A
－
－
＋
PL
D
AK5358
PR
E
OUT
2
7
6mV
r
m
s
/
3
3
Ω
4.24Vr
m
s/8Ω
-2.5dB
L
.P
.F
GAI
N
= +
0
.4
dB
200mVrms
Headroom:3dB
2.82Vrms:A/D FULL SCALE
-23dBFS(A/D IN)
S
W:
YE
S
S
W:
NO
NE
－
-8.5dB
-8.5dB
Volum
e
I
C:
N
JU7
2
343 N
O
N C
L
IP M
AX
S
IG
NA
L
L
EVE
L 4
.
2Vr
ms
AD IN=75mVrms
＋
MIC IN
AD IN=319mVrms
ACM2(DM-A409)Sensitivity:
-38.8dB/Pa=11.48mV/Pa at94dBSPL@Operation Voltage 5.0V
(94dBSPL is expected to -11dBFS)
MIC IN
11.48mVrms
851mVrms
+37.60dB
+0.5dB
-23
.
7dB
1
5
0mV
r
ms
-2.5dB
LINE IN/EXT IN
NJU72750
NJU72750
-8.5dB
NJU72750
HDAM
GAIN Setting of MASTER VOL 00dB
Bd5.2- = Bd5.0- Bd0.2- )LATIGID( SEY:WS･
･SW:YES (ANALOG) -2.0dB -0.5dB +3.0dB = +0.5dB
･SW:NONE (DIGITAL) -2.0dB -0.5dB +12.0dB = +9.5dB
･SW:NONE (ANALOG) -2.0dB -0.5dB +12.0dB +3.0dB = +12.5dB
① ② ③ ④ ⑤
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
⑤:OFFSET of A/D input
+9.5dB
+12.5dB
-35dBFS(A/D IN)
-32dBFS(DIG.IN)
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
54