Denon AVR-S740H Service Manual

REPAIR INFORMATION
TROUBLE SHOOTING
1. POWER
2. Analog video
3. HDMI/DVI
4. AUDIO
5. Network / Bluetooth / USB
6. SMPS
HDMI "Rx/Tx" Failure Detection
1. Prior checking
2. Preparations for checking HDMI Switcher reception/transmission register
3. Starting detecting the point of failure
4. Device implementation location
CLOCK FLOW & WAVE FORM IN DIGITAL
BLOCK
SPECIAL MODE
Special mode setting button AVR-X1500H
Special mode setting button AVR-S740H
1. Version Display Mode
2. PANEL / REMOTE LOCK Selection Mode
3-1. Selecting the Mode for Service-related
3-2. Protection History Display Mode
3-3. Operation Info Mode
3-4. TUNER STEP mode (E2 / E3 only)
3-5. Remote ID Setup Mode
4. Protection Pass Mode
5. Network Initialization Mode
6. Clearing the Operation Info
7. Log Capture feature
DIAGNOSTIC MODE
Service Path Check Mode
DIAGNOSTIC PATH DIAGRAM
JIG FOR SERVICING
ADJUSTMENT
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
70

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