Denon HEOS HomeCinema HS2 Service Manual page 46

9. Cannot connect to the network by wired LAN
Is the LAN cable connected correctly?
YES
Are the network settings of this unit correct?
YES
Are peripheral devices such as the router and hub
connected correctly?
YES
Are the router settings correct?
YES
Main PCB and USB PCB
Check the connection of connector [J1].
OK
Connect router to this unit according to "QSG".
NG
Connect the LAN cable correctly and turn the
power back on.
NO
Set the IP address and other parameters correctly.
IP settings are fixed. Make sure that the IP address
is not duplicated with another device and that the
subnet mask setting is correct.
NO
Connect the peripheral devices correctly.
NO
Check the Owner's Manual of the router and con-
figure the settings correctly.
Check that there are no connection restrictions
caused by the MAC address.
NO
Connect the connectors correctly.
NO
Check whether the network module is faulty.
10. Cannot connect to the network by wireless LAN
Is the LAN cable connected?
NO
Is the wireless LAN channel for the attempted con-
nection separate from other wireless LAN chan-
nels?
YES
Can other devices (PC, etc.) be connected in the
place where this unit is installed?
YES
Are the 2 antenna cables of this unit connected?
YES
Connect router to this unit according to "QSG".
11. USB flash drive not recognized
Is a USB hub being used?
NO
Is the USB flash drive supported by this unit?
YES
Main PCB and USB PCB
Check the connection of connector [J1].
YES
USB PCB
Check the voltage.
[J3 : 1pin] = 5V (VBUS)
YES
The circuit around [Network Module] and connector is faulty.
46
YES Remove the LAN cable and turn the power back
on. Do not connect a LAN cable when using a
wireless LAN connection.
NO
Configure the settings so that the LAN channel of
the attempted connection is not duplicated with
any other wireless LAN channels.
NO
Change the router position, install an access point,
etc
NO
Connect the 2 antenna cables of this unit cor-
rectly.
NO
Check whether the network module is faulty.
YES
Do not use a USB hub.
NO
This unit only supports mass storage devices that
have FAT16 or FAT32 format or are MTP compat-
ible.
NO
Connect the connectors correctly.
NO
The circuit around [J3] is faulty.