Denon AVR-2313, Service Manual

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(*1) Abnormal sample of HDMI connector : The internal terminal has bent.
YES
YES
YES
Check operation of U1601 (ADV8003)
(30) Check xtal oscillator.
Is oscillation of X1601(27MHz) transmitted?
(31) Check RESET.
Is RESET waveform confirmed in TP[8003RESET], when power
is turned on? (If not reference waveform, proceed to "NO".)
The pattern and circuit from the HDMI connector (N1602/N1802) to
the IC(U1601) is defective, or HDMI output circuitry is defective.
(29) Check power supply.
Are 1.8V supplied to L3622?
Are 3.3V supplied to Q3610 1pin?
The power supply circuitry is defective.
The X1601 or U1601 is defective.
The RESET circuitry or U1601 is defective.
NO
NO
NO
(28) Check RESET.
Is RESET waveform confirmed in TP[7850RESET], when power is turned on?
(If the waveform is not the reference waveform, proceed to NO.)
The RESET circuitry or U1302 is defective.
YES
NO