Denon AVR-S740H Service Manual

SUBWOOFER ch
2CH IN 0dB
(200m V)
-10dB
-20dB
-40dB
-30dB
+10dB
+20dB
DSP
DAC
PRE O U T
NJU72340A
SUBW OOF ER
SUBW OOFER CHANNEL
PLD
PCM 1690
CS49844A
-50dB
0dB (200m Vrm s)
-10dB
-20dB
-40dB
-30dB
+10dB
+20dB
-50dB
+30dB
-10dB F S
-20dB F S
-30dB F S
-40dBFS
PRE O U T
M UTE
+11.5dB
+14.5dB
300Vrm s
G A IN
ADJ.
+11.5dB
-50dBFS
PRE O U T
150Vrm s
5M 80ZT
AVRS740H/X1500H LEVEL DIAG RAM
-34dB FS( D IG .IN:P C M )
-37dB F S ( A /D IN)
-40dBFS
DAC
AK4458
1. 98V r m s= 0dBF S
FULL S C A L E LEVEL
DO L B Y LIM IT L EVEL= 1 .41Vrm s (ALL ch - 3dB FS)
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
L.P.F G A IN = + 6.5dB
(D IG .IN:DD)
PCM IN P U T :-20dBFS L+ R
ANA IN P U T : 200m Vrm s L + R 30Hz
DD IN P U T : - 30dBFS LFE 30H z
- D IG ITAL IN
G A IN s etting of M AST E R V O L 00dB
- A N A LOG IN
-2 . 0dB
-2 . 0dB
=+11.5dB
=+14.5dB
(1 ) (2 )
+3.0dB
-0 . 5dB
-0 . 5dB
(3 ) (4 )
(1 ) :Basic O FFSET of VO L = 0dB (Indication va lude)
(4 ) :Correction o f S ubw oofe r
(3 ) :Voltage due to hardw are of analog input
(2 ) :Fine-tuning by softw are D ig it al input
+14dB
+14dB
(5 )
(5 ) :O FFSET of A/D input
-2.5dB
LINE IN
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
35

Denon AVR-S740H Specifications

General

Channels	7.2
Power Output per Channel	75 W (8 Ohms, 20 Hz - 20 kHz, 0.08% THD)
HDMI Inputs	6
HDMI Outputs	1
Dolby Atmos	Yes
DTS:X	Yes
Bluetooth	Yes
Wi-Fi	Yes
HEOS Multi-room	Yes
4K Ultra HD Pass-through	Yes
Power Output per Channel (6 Ohms)	110 W (6 Ohms, 1 kHz, 0.7% THD)
4K/Ultra HD Upscaling	Yes
Phono Input	Yes
Dolby Support	Dolby Atmos, Dolby TrueHD, Dolby Surround
Auto Calibration	Audyssey MultEQ
Input Sensitivity/Impedance	200 mV / 47 kOhms
Signal-to-Noise Ratio	98 dB (IHF-A weighted, Direct mode)
Ethernet	Yes
USB Port	Yes (front)
AM/FM Tuner	Yes
Supported Audio Formats	MP3, WMA, AAC, FLAC, ALAC, WAV, DSD
HDR Support	HDR10, HLG, Dolby Vision
Wireless Audio	AirPlay 2
DTS Support	DTS:X, DTS-HD Master Audio
Zone Audio	Zone 2
Frequency Response	10 Hz - 100 kHz (+1, -3 dB, Direct Mode)
Total Harmonic Distortion	0.08% (20 Hz - 20 kHz)
Built-in DAC	192 kHz / 24-bit