Denon AVR-2311, Service Manual

Page: 66 / 207

The set does not recognize the TV.
(15) Is the "H"(3V-5V) signal outputted of U1801 (30pin)?
With the TV connected,check the voltage of the IC on the side on
which the TV is connected.
Is communication waveform con
fi rmed in HDMI connector(N1801)
15pin(DDC_CLK), 16pin(DDC_DATA)?
Is 1pin/3pin/4pin/6pin/7pin/9pin/10pin/12pin of HDMI connector
(N1801) terminated by the TMDS signal of 3.3V and is the signal
output?
The BD/DVD player does not recognize the
connection with the set.
(17)
Is the "H"(3V-5V) signal outputted of HDMI
connector (K1100/K1101/K1102/K1001/K1002/
K1003 : 19pin)?
With the BD/DVD player connected, Check
voltage of the HDMI connector for the input
on the side on which the BD/DVD player is
connected.
Is communication waveform con
fi rmed in HDMI
connector (K1100/K1101/K1102/K1001/K1002/
K1003)15pin(DDC_CLK)/16pin(DDC_DATA)?
Is 1pin/3pin/4pin/6pin/7pin/9pin/10pin/12pin of
HDMI connector (K1100/K1101/K1102/K1001/
K1002/K1003) terminated by the TMDS signal of
3.3V and is the signal output?
66
YES
YES
YES
Check TV
(10) Is the TV HDCP-compatible?
(14) Is the set's input set to HDMI?
(12) Is the TV's input set to HDMI?
(13) Are the picture and sound output when a different TV is used?
Check set (AVR-891)
(11) Is the TV compatible with resolutions of 1080P?
Use an HDCP-compatible TV. PC TVs
cannot be used.
Check set's input setting, referring to the
set's operating instructions.
Check TV's input setting, referring to the
TV's operating instructions.
The TV is defective.
If the TV is not compatible with resolutions
of 1080P, no picture will be output, even
if the BD/DVD player's resolution is set to
1080P.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
(16)
When using a DENON
BD/DVD player, is the FL
display's "HDMI" indicator lit?
If using a non-DENON BD/
DVD player, proceed to
"NO".
The HDMI input circuitry is defective.
(U1002 or U1100, and surrounding circuitry)
To page 39
To page 39
(18) VIDEO CONVERT : Is the picture output by off setting?
(After item (23) : To be "VIDEO CONVERT:OFF" setting.)
The pattern and circuit from the HDMI
connector (N1801) to the IC (U1801) is
defective.
Or HDMI output circuit is defective.
(U1801 and surrounding circuitry)
To item (26).
The pattern and circuit
from the HDMI connector
(K1100/K1101/K1102/
K1001/K1002/K1003) to
the U1100 is defective.
NO
NO
NO
U2200 (ABT2015) and surrounding circuitry
is defective.
VIDEO CONVERT : ON
To item (19).
NO