Marantz SR7005 Service Manual page 49

Check TV
(10) Is the TV HDCP-compatible?
(11) Is the TV compatible with resolutions of 1080P?
(12) Is the TV's input set to HDMI?
(13) Are the picture and sound output when a different TV is used?
Check set (SR7005)
(14) Is the set's input set to HDMI?
Is the output setting of set corresponding to the connection of TV?
YES
The set does not recognize the TV.
(MONITOR OUT: Set MONITOR1)
(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
confi rmed in HDMI connector(N1801)
15pin(DDC_CLK), 16pin(DDC_
DATA)?
Is 1pin/3pin/4pin/6pin/7pin/9pin/10pi
n/12pin of HDMI connector (N1801)
terminated by the TMDS signal of
3.3V and is the signal output?
To page 46
YES
YES
YES
YES
The set does not recognize the TV.
(MONITOR OUT: Set MONITOR2)
(36) 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.
NO
Is communication waveform
confi rmed in HDMI connector(N1801)
15pin(DDC_CLK), 16pin(DDC_
DATA)?
Is 1pin/3pin/4pin/6pin/7pin/9pin/10pi
n/12pin of HDMI connector (N1801)
terminated by the TMDS signal of
3.3V and is the signal output?
The pattern and circuit from the HDMI connector (N1801) to the IC
(U1802/U1803) is defective.
Or HDMI output circuit is defective.
(U1802/U1803 and surrounding circuitry)
NO
Use an HDCP-compatible TV. PC TVs
cannot be used.
If the TV is not compatible with resolutions
NO
of 1080P, no picture will be output, even
if the BD/DVD player's resolution is set to
1080P.
NO
Check TV's input setting, referring to the
TV's operating instructions.
NO
The TV is defective.
NO
Check set's input setting, referring to the
set's operating instructions.
YES
49
The pattern and circuit
from the HDMI connector
(N1800/N1801) to the IC
(U1801/U1802/U1803) is
defective.
NO
Or HDMI output circuit is
defective.
(U1801/U1802/U1803
and surrounding circuitry)
To item (33).