Denon AVR-1909 Service Manual page 31

Check the TV
Is the TV HDCP-compatible?
YES
Is the TV compatible with resolutions of 1080P?
YES
Is the TV's input set to HDMI?
YES
Are the picture and sound output when a different TV is used?
YES
Check the set
Is the set's input set to HDMI?
YES YES
Is the TV information The set does not recognize the TV.
NO
properly displayed on Is IC1009 pin 51 "H" (3V-5V)? With the TV
the "Monitor info." connected, check the voltage of the IC on
display menu? the side on which the TV is connected.
YES YES
Does the set's wallpaper image appear on the TV when the HDMI/DVI
cable between the DVD player and the set is disconnected?
YES YES
When using a The DVD player does not recognize the
DENON DVD player, connection with the set.
is the fluorescent Is the HDMI connector (JK1001/JK1002/
NO
display tube's "HDMI" IC1003) pin 19 "H" (5V)? With the DVD
indicator lit? player connected, check the voltage of
If using a non- the HDMI connector for the input on the
DENON DVD player, side on which the DVD player is
proceed to "NO". connected.
YES YES
The HDMI output circuitry is defective.
(IC1002/IC1008/IC1010 and surrounding circuitry)
Use an HDCP-compatible TV. PC TVs
NO
cannot be used.
If the TV is not compatible with
NO resolutions of 1080P, no picture will be
output, even if the DVD player's
resolution is set to 1080P.
Check the TV's input setting, referring to
NO
the TV's operating instructions.
NO
The TV is defective.
NO Check the set's input setting, referring to
the set's operating instructions.
The pattern and circuit from the HDMI
NO
connector (JK1004) to the IC (IC1009)
is defective.
The HDMI output
circuitry is
Are the picture and sound output from
defective.
NO YES
other Monitor Out terminals (VIDEO out,
(IC1009/IC1010
S-VIDEO out or Component out)?
and surrounding
circuitry)
NO
The pattern and circuit from the HDMI
NO
connector (JK1001/JK1002/IC1003) to
the IC1045 is defective.
AVR-1909/789, AVC-1909
YES
YES
YES
YES
YES
NO
YES YES
YES
NO
YES YES
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NO
NO
NO
NO
NO
NO
NO YES
NO
NO