Denon AVR-391 DVD Player User Manual


 
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YES
YES
YES
(19) Check xtal oscillator.
Is there 28.6363MHz oscillation of X101?
(20) Check RESET.
Is RESET waveform con rmed in IC11 (97pin), when power is
turned on? (If continued to "H" or " L", proceed to "NO".)
HDMI output circuitry is defective (IC11 and surrounding circuitry).
(21) Check control signal(I2C).
Is waveform con rmed in IC11 78pin(SDATA)/79pin(SCL). (If not
continued to " L", proceed to "YES".)
The X101 or IC11 is defective.
The RESET pattern or IC11 is defective.
The SDATA/SCL line pattern is defective.
NO
NO
NO