Denon AVR-2313CI Service Manual page 91

The BD/DVD player does not recognize the connection with the
(19) set.
When using a (20)
DENON BD/DVD Is HDMI connector (N1001/N1002/N1003/N1004/N1302 : TP[HPD-IN1
player, is the FL - 5]) set to "H"(3V-5V)?
NO
display's "HDMI" With the BD/DVD player connected, Check voltage of the HDMI
indicator lit? connector (N1001/N1002/N1003/N1004/N1302 : TP[+5V - IN 1 - 5]) for
If using a non- the input on the side on which the BD/DVD player is connected.
DENON BD/DVD Is communication waveform confirmed in TP[DDCCLK / DDCDATA IN
player, proceed 1 - 5] around each HDMI connector ?
to "NO". Is TMDS line of HDMI connector (N1001/N1002/N1003/N1004/N1302)
terminated by the TMDS signal of 3.3V and is the signal output?
YES
(21)
VIDEO CONVERSION : Is the picture output when it is set to off?
(After item (22) : To be "VIDEO CONVERSION:OFF" setting.)
The HDMI input circuitry is defective.
(U1001 or U1302 and surrounding circuitry)
Check operation of each device.
(AMP source : CBL/SAT/Video input of player : 480P / Connect the TV.)
Check operation of U1001(ADV3002).
(22) Check power supply.
Are 5V or 3.3V supplied to U1001 (each power supply pin)?
Refer to [Detail C] of the substrate for test point.
(23) Check RESET.
Is RESET waveform confirmed in TP[3002RESET], when the power is turned
on?(If the waveform is not the reference waveform, proceed to NO.)
(24) Check Control signal (I2C).
Is waveform confirmed in TP[HSCL/HSDA], when the power is turned on? (If
the waveform is not the reference waveform, proceed to NO.)
(25) Check output signal.
Is TMDS waveform confirmed in 25pin/26pin/28pin/29pin/31pin/32pin/34pin/35pin.
Is communication waveform of DDC_SCL/DDC_SDA confirmed in
67pin/68pin? (If the waveform is not the reference waveform, proceed to NO.)
Check operation of U1302 (ADV7850).
(26) Check power supply.
Are 1.8V supplied to L3616?
Are 3.3V supplied to Q3608 1pin?
(27) Check xtal oscillator.
Is oscillation of X1301(27.0 MHz) transmitted?
NO
YES
YES
YES
YES
YES
YES
YES
YES
U1601(ADV8003) and surrounding circuitry
are defective.
NO
NO
NO
NO
NO
NO
91
The pattern and
circuit from the
HDMI connector
NO
(N1001/N1002/
N1003/N1004/
N1302) to the IC
(U1001 or U1302)
are defective.
The power supply circuitry is defective.
The RESET circuitry or U1001 is defective.
The pattern is defective of the HSCL/HSDA
line.
The U1001 is defective.
The power supply circuitry is defective.
The X1301 or U1302 is defective.