Denon AVR-S730H Service Manual

3-2. Error Code H1-02 failure detection procedure
Checking device. (HDMI SW)
YES
YES NO
Checking the reset waveform. (HDMI SW)
Check item(10). Checking the reset waveform :
Check the waveform.
When the power is turned on, is the TP"787_RST" waveform cor-
rect (as shown in the gure)?
IC720
788_RST
Check the reset circuit between
CPU [IC751] and HDMI SW [IC701].
If there is no problem, the HDMI
SW [IC701] is faulty.
Replace with a new device.
NO
Examples of conrmation waveform
Voltage scale：1.0V/div
Time scale：20ms/div
Check item(11). Checking the HDMI SW :
Remove the [R7147/R7149].
Is the waveform of "I2C" the correct waveform?
HDMI SW [IC701] is faulty.
Replace with a new device.
Recheck from check item (1).
If it does not work, replace the PCB.
82
Caution in
servicing
Electrical Mechanical Repair Information Updating

Denon AVR-S730H Specifications

General

Channels	7.2
Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive)	110W
Power Output (6 ohm, 1 kHz, 10% 1ch Drive)	165W
HDMI Inputs	6
HDMI Outputs	1
Dolby Atmos	Yes
DTS:X	Yes
DTS Virtual:X	Yes
Wi-Fi	Yes
Bluetooth	Yes
HEOS Multi-room	Yes
4K Ultra HD Pass-through	Yes
HDR Support	Yes (HDR10, Dolby Vision, HLG)
Auto Speaker Calibration	Audyssey MultEQ
AirPlay	Yes (AirPlay 2)
Internet Radio	Yes
Phono Input	No
Ethernet Port	Yes
Power Output per Channel	75W (8 ohm, 20Hz-20kHz, 0.08% 2ch Drive)
USB Input	1 (Front)