Denon AVR-1712, Service Manual

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57
YES
YES
YES
YES
Check TV
(11) Is the TV HDCP-compatible?
(16) Is the set's input set to HDMI?
(13) Is the TV's input set to HDMI?
(14) Are the picture and sound output when a different TV is used?
Check set (AVR-1712)
(12) Is the TV compatible with resolutions of 1080P?
Use an HDCP-compatible TV. PC TVs
cannot be used.
Check the set's input setting, referring to the
set's operating instructions.
Check the 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 resolution is set to
1080P.
NO
NO
NO
NO
NO
YES
YES
YES
YES
The set does not recognize the TV.
(17) Is TP [HP_TX] set to the "H"(3V-5V)?
With the TV connected,check the voltage of the IC on the side on
which the TV is connected.
Is communication waveform confirmed in TP[DDCTX_SCL/
DDCTX_SDA]?
Is D28/D29/D30/D31/D32/D33/D34/D35 terminated by the TMDS
signal of 3.3V and is the signal output?
(18)
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 pattern and circuit from the HDMI
connector (JACK6) to the IC9 are defective,
or HDMI output circuitry is defective (IC9
and surrounding circuitry).
The BD/DVD player does not recognize the connection with the
set.
(19)
Is HDMI connector (JACK1/JACK2/JACK3/JACK4/JACK5/JACK7 :
TP[HPD]) set to "H"(3V-5V)?
With the BD/DVD player connected, Check voltage of the HDMI
connector (JACK1/JACK2/JACK3/JACK4/JACK5/JACK7 : TP[D_5V])
for the input on the side on which the BD/DVD player is connected.
Is communication waveform confirmed in TP[SCL/SDA] around each
HDMI connector ?
Is TMDS line of HDMI connector (JACK1/JACK2/JACK3/JACK4/
JACK5/JACK7) terminated by the TMDS signal of 3.3V and is the
signal output?
The pattern and
circuit from the
HDMI connector
(JACK1/JACK2/
JACK3/JACK4/
JACK5/JACK7)
to the IC (U1
or IC9) are
defective.
NO
NO
NO
The HDMI input circuitry is defective.
(U1 or IC9 and surrounding circuitry)
(15) Is any PIN of the HDMI connector bent or is dust adhering to the
connector?
Malfunction of the HDMI connector.
(If dust is adhering, remove the dust and
perform the troubleshooting again from (1).)
YES
NO