Denon AVR-X2300W Service Manual page 84

3. Starting detecting the point of failure
3-1 Check the "HDMI/DVI" item in troubleshooting.
s
Check item(1).
Check that the version of the AVR can be read
correctly.
Is the GUI version readable correctly?
YES
Check item(2).
Are all versions readable correctly without dis-
playing IP SCALER ERR 01 or IP SCALER ERR 02?
YES
Check item(3). : Check operation of the HDMI input terminal.
When the HDMI input terminal of this device is connected to the player correctly, is sound heard from
the speaker?
※ When checking, turn the AV amplifier on and off after checking the connection terminal with the
player. (To set the same conditions during verification of operation)
Check that sound is heard from the input termi-
nal of the HDMI 1-7.
s
Use any of Dolby TrueHD/DTSHD MA/PCM 8ch
for the playback audio format.
YES
Check that sound is heard from the input termi-
nal of the HDMI 8.
YES
NO
Is the GUI version readable correctly?
Go to check item (49)
GUI IC (ADV8003)failure detection procedure 1
NO
Check soldering of IP SCALER (U1026), DDR2
(U1028/U1029) and its peripheral circuits.
Check soldering of the resistors
(R1688/1689/1692/1695 to 1700/1703 to
between IP SCALER and DDR2.
If there is no problem with soldering, U1026,
U1028 or U1029 is defective. Replace their IC. Or
replace the substrate.
NO
Is the "DIG" indicator illuminated on the FLD?
When the "DIG" indicator is illuminated, the digi-
tal audio block is faulty.
If the "DIG" indicator is not illuminated, go to
check item (7).
(HDMI RX IC (MN864788) failure detection proce-
dure)
NO
Go to check item (20)
(Front HDMI Buffer IC (AD8195) failure detection
procedure)
Check item(4). :
(2)-1 Turn Video Conversion "OFF" on the setup menu.
(Setup Menu - Video - Output Settings - Video Conversion)
(2)-2 Does a video signal come from HDMI OUT1 to TV cor-
rectly?
HDMI IN1
HDMI IN4
1711)
When the player is connected in order to the HDMI input
terminals (HDMI 1, 4), in each case is the player video played
back on the TV connected to the HDMI output terminal (HDMI
OUT 1,2)?
YES
Check item(5). : Check operation of the HDMI output terminal.
When the "SETUP" button on a remote control is pressed,
is "MENU" displayed on TV which is connected to the HDMI
output terminal on the AVR?
YES
Check item (6) :
(4)-1 Turn Video Conversion "ON" on the setup menu.
(Setup Menu - Video - Output Settings - Video Conversion)
(4)-2 Does a video signal come from HDMI OUT1 to TV cor-
rectly?
HDMI IN1
HDMI OUT1
HDMI IN4
When the player is connected to the HDMI input terminals
in order, are the images on the player displayed on the TV in
both cases?
YES
There is no problem with Rx, Tx, and GUI of HDMI as well as IC of SW.
84
NO
Go to check item (28)
HDMI OUT1/4
HDMI transmission IC (MN864788)
failure detection procedure
s
NO
Go to check item (58)
(GUI IC (ADV8003) failure detection
procedure 2)
NO
Go to check item (60)
(HDMI SW IC (TMD5261B) failure
detection procedure)