SUBWOOFER ch
+20dB
+10dB
0dB
-20dB
-30dB
-40dB
-10dB
AVR-X3500H
LEVEL DIAGRAM
SUBWOOFER ch
-2
.
0
-0.
5+
1
4
=1
1
.5
d
B
+30dB
-
2.
0-
0
.
5
+1
4
+3
=
+
14
.5d
B
MA
X S
IGN
AL
L
EV
EL
D
O
L
BY
LI
M
I
T L
EV
E
L
(A
LL
c
h
-3
d
BF
S)
0dBFS
-10dBFS
-20dBFS
-30dBFS
-40dBFS
PCM5100A
NJU72343 MAX. OUTPUT 4.2Vrms
D
SP
GAIN
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
MASTER VOL 00dB時のGAIN設定
・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
.5d
B
PREOUT
300mVrms
0dBFS =2.0Vrms
+
-
PCM5100A
D/A
-
+
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
46