Denon AVR-S740H Service Manual

POWER DIAGRAM
MAIN+ B
MAIN-B
AC CORD
RELA Y
!
!
!
MAIN T RANS
S2 T OTAL : 596.63m A
!
S4(FILAMENT )
S3(FL+ V disp)
S2(+12V ,-12V)
S1(AMP+ B ,-B )
KIA 7812B P I
KIA 7912P I
FILAMENT AC
A+ 12V
D A + 5V
A-12V
Vdisp(+ 37V)
KIA 7805B P I
+ 5 .2V
MAIN P W R O N
TU NER+ 5V
FILAMENT AC
V-5V
V+ 5V
MM1Z7V5
SELET OR IC,V OL U ME IC
(NJU 72750A V,NJU72343V)
MCU_3V 3 /M ICO M
SW M 3.3V /LEV E L _ CH G
D A 3 .3V/D IR,D SP
TP S563200(+ 1.0V )
TP S563200(+ 3.3V )
NJM 2845D L133
CEC5V
CEC3V 3 / HD MI
D A 1 .0V/D SP
D 1 V 8H /H DMI
D 5 V /V BUS
D V 5V /H DM I
(AD V 7623)
(AD 8195,MN864787,M N864788,MX 25L 3206E)
(R5 F 5631FDDFB ,VFD ,MC 74H C4094x 2 )
(AD 8195)
(PCM9211PT R,AK 4458V N)
(NJM 8080,SPK / H -P / H I-LOW RELAY )
(CS49844A)
(NJM 2595)
57m A
267.63m A
122m A
22m A
50m A
68m A
163m A
482.02m A
1054m A
982m A
1503.5 mA
260.5 mA
* T OTAL (5V): 1050.403m A
TP S563200(+ 1.8V )
1000m A
2035.18m A
260.5 mA
20.4 mA
(NJM 2595)
MCU+ 5V (CVD BLBJEGJ204L ) FRO N T LED
30m A
1022.0 mA
SMPS Tota l C urre nt : A bout 4901.36m A
BU33T D 3W G
45m A
D A + 3.3V (PCM5100A )
MM1Z5V1
MM1Z5V1
MM1Z7V5
(SN74CBT 3251PW R) SW M 5V
0.003m A
406.83m A
INP UT CU RRENT (Re f Vo la ge :5.2V )
NET3.3V/N ET WO RK
(IPOD AUT H ,SN74LVC 244A P W Rx4 )
160.16m A
PLD 1 .8V/PL D
(5M570ZF256C 5 N)
(CS49844A,M12L64164A-5 TG2Y ,5M 570Z F256C5 N ,T C 74VH C U 04,MX 25L6406EM 2 I-12G ,PCM 9211,AK 4458VN )
MM1Z6V8
MM1Z6V8
ZONE V OL U ME IC
(BD 3812F)
ZONE V OL U ME IC
(BD 3812F)
AVRX 1500H E3 ONLY
40m A
H I+ B
LOW -B
3000m A
CEC1V 1
(MN864787,M N 864788)
34m A
*D C-D C Effiecie ncy:85%
260.526m A
1485.29m A
332.5 mA
(5.2 V )
(5.2 V )
(5.2 V )
(5.2 V )
H I-B
LOW + B
D V 3V 3
(AD V 7623,MX 25L 3206E / M X 25L6406E M 2 I-12G )
339m A
TP S563200(+ 1.1V )
729.81m A
(5.2 V )
LEGO5V
(LEG O )
636m A
(NJM 2740V x 2 ,AK 5358BE T )
SELET OR IC,V OL U ME IC
(NJU 72750A V,NJU72343V)
1
3
4
2
S
G
D
12
3 4
AVRS740H /X1500H VCC DIAGRAM
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
40

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