Marantz SR7005 Service Manual page 50

YES
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 confi 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?
YES
(18) VIDEO CONVERT : Is the picture output by off setting?
(After item (23) : To be "VIDEO CONVERT:OFF" setting.)
The HDMI input circuitry is defective.
(U1002 or U1100, and surrounding circuitry)
(19) Check power supply.
Is 3.3V supplied to L2200/C2230?
Is 1.8V supplied to C2242?
Is 1.0V supplied to both ends of R2276?
(20) Check RESET.
Is RESET waveform confi rmed in through hole (RESET N)? (If
continued to "H" or " L", proceed to "NO".)
(21) Check input signal.
Is waveform confi rmed in R1642(INPUTDE/INPUTVSN/
INPUTHSN/INPUTVCLK). (If not continued to " L", proceed to
"YES".)
(22) Check output signal.
Is waveform confi rmed in R2200(VOUTCLK0/VOUTHS/VOUTVS/
VOUTDE). (If not continued to " L", proceed to "YES".)
To item (32).
(Keep "VIDEO CONVERT : ON" setting.)
To page 47
YES
YES
YES
YES
The pattern and circuit from the HDMI
NO
connector (K1100/K1101/K1102/K1001/
K1002/K1003) to the U1100 is defective.
U2200 (ABT2015) and surrounding circuitry
NO
is defective.
VIDEO CONVERT : ON
To item (19).
NO
The power supply circuitry is defective.
NO
The RESET circuitry (U2201 and
surrounding circuitry ) or U2200 is defective.
NO
The U1601 is defective.
NO
The U2200 is defective.
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