Denon AVR-S740H Service Manual

FRONT ch
LEVEL DIAGRAM
LINE IN 0dB
(200m V)
-10dB
-20dB
-40dB
-30dB
+10dB
+20dB
AVRS740H/X1500H 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
PCM 9211
CS49844A
-50dB
0dB (200m Vrm s)
-10dB
-20dB
-40dB
-30dB
+10dB
+20dB
-50dB
+30dB
-10dB F S
0dBFS
-20dB F S
-30dB F S
-40dBFS
-8.5dB
-26. 5dB F S
ADC
PCM 9211
DAC
AK4458
-10dB F S
-30dB F S
-40dBFS
-23dB F S ( A /D IN)
-20dBFS ( D IG . IN)
-35dB FS( A /D IN)
-32dBFS ( D IG . IN)
SW : N O NE
FULL S C A L E 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
- S W :Y ES ( D IG ITAL)
G A IN s etting of M AST E R V O L 00dB
- S W :YES ( A N ALOG)
- S W :N O NE (D IG ITAL)
- S W :N O NE (A N A L OG)
(1 ) :Basic O FFSET of VO L= 0dB (Indic ation valude)
(4 ) :O FFSET of SW NO N
(3 ) :Voltage due to hardw are of analog input
-2 . 0dB
-2 . 0dB
-2 . 0dB
-2 . 0dB
=-2.5dB
=+1dB
=+9. 5dB
=+13dB
(1 ) (2 ) (3 )
M IC IN
G A IN
ADJ.
M IC IN
11.48m Vrm s
0dBFS=3Vpp=1.06Vrm s
SING L E IN P U T
PREO UT 150m V rm s
H/P O UT
+12dB
+12dB
+3.0dB
PO W ERAM P G AIN
ANAL O G
ACM 2 (DM -A 409)Sensitivity:
-38. 8dBV/Pa= 11.48m V/ P a at 94dBSPL@ O pera t ion Voltage 5.0 V
(94dBSPL is expected to -11.0dBFS)
-20dB F S
VO L U M E IC : N J U 72343 N O N C L IP M AX S IG NAL L E V E L 4.2Vrm s
1. 98V r m s= 0dBF S
NJU72343V
+37.60dB
851m Vrm s
-8.5dB
AD IN =319m Vrm s
AD IN =75m Vrm s
SW : YES
DO L B Y LIM IT L EVEL= 1 .41Vrm s (ALL ch -3dBF S )
+3.0dB -0 . 5dB
-0 . 5dB
-0 . 5dB
-0 . 5dB
(2 ) :Fine-tuning by softw are D ig it al input
(4 ) (5)
L.P.F G A IN = + 0.4dB
-2.5dB
LINE IN
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
32

Denon AVR-S740H Specifications

General

Brand	Denon
Model	AVR-S740H
Category	Stereo Receiver
Language	English