Denon AVR-S730H, Service Manual

Page: 32 / 148

FRONT ch
LEVEL DIAGRAM
LINE IN 0dB
(200m V)
-10dB
-20dB
-40dB
-30dB
+10dB
+20dB
AVRS730H/X1400H LEVEL DIAG RAM
LINE IN
ADC
DSP
DAC
H/P O UT
SPK O UT
NJU72340A
FRO NT
FRO NT CHANNEL
PLD
5M 570ZF256C5N AK4458VN
AK5358
CS49844A
-50dB
0dB (200m Vrm s)
-10dB
-20dB
-40dB
-30dB
+10dB
+20dB
-50dB
+30dB
-10dBFS
0dBFS
-20dBFS
-30dBFS
-40dBFS
-8.5dB
-26.5dBFS
ADC
AK5358
DAC
AK4458
-10dBFS
-30dBFS
-40dBFS
-23dBFS(A/D IN)
-20dBFS(DIG . IN)
-35dBFS(A/D IN)
-32dBFS(DIG . IN)
SW : NO NE
FULL SCALE LEVEL=2.0Vrm s
-2.5dB
+0.5dB
+9.5dB
+12.5dB
+29dB
4.27Vrm s/8ohm
277m Vrm s/33ohm
SPK O UT
H/P O UT
- SW :YES (DIG ITAL)
G AIN setting of M ASTER VOL 00dB
- SW :YES (ANALO G )
- SW :NO NE (DIG ITAL)
- SW :NO NE (ANALO G )
(1):Basic O FFSET of VO L=0dB (Indication valude)
(4):O FFSET of SW NO N
(3):Voltage due to hardware of analog input
-2.0dB
-2.0dB
-2.0dB
-2.0dB =-2.5dB
=+1dB
=+9.5dB
=+13dB
(1) (2) (3)
M IC IN
G AIN
ADJ.
M IC IN
11.48m Vrm s
0dBFS=3Vpp=1.06Vrm s
SING LE INPUT
PREO UT 150m Vrm s
H/P O UT
+12dB
+12dB
+3.0dB
PO W ERAM P G AIN
ANALO G
ACM 2(DM -A409)Sensitivity:
-38.8dBV/Pa=11.48m V/Pa at 94dBSPL@O peration Voltage 5.0V
(94dBSPL is expected to -11.0dBFS)
-20dBFS
VO LUM E IC : NJU72343 NO N CLIP M AX SIG NAL LEVEL 4.2Vrm s
1.98Vrm s=0dBFS
NJU72343V
+37.40dB
851m Vrm s
-8.5dB
AD IN=319m Vrm s
AD IN=75m Vrm s
SW : YES
DO LBY LIM IT LEVEL= 1.41Vrm s (ALL ch -3dBFS)
+3.0dB -0.5dB
-0.5dB
-0.5dB
-0.5dB
(2):Fine-tuning by software Digital input
(4) (5)
L.P.F G AIN = +0.46dB -2.5dB
LINE IN
32
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating