Marantz SR 8015 - Video Decoder

3-7. Error Code H1-05 failure detection procedure
Checking device. [U2001 : ADV7180]
Checking the reset waveform. (VIDEO DECODER)
Check item(3-7.1.). Checking the reset waveform :
Check the waveform.
Is the "R6295" waveform of the TP near the VIDEO DECODER
[U2001] correct (like the one shown in the diagram) when the
power is turned on?
VIDEO DECODER
U6201
R6295
Check the reset circuit between
CPU [U6201] and VIDEO DECODER
[U2001].
If there is no problem, the VIDEO
DECODER [U2001] is faulty.
Replace with a new device.
Recheck from check item (3-7.1.)
If it does not work, replace the
PCB.
NO
Examples of conrmation waveform
Voltage scale : 1.0V/div
Time scale : 20ms/div
check item (3.1.) again after replacing [R2033/R2034/R9764/
R9765] with a new resistor.
If there is still a problem, the VIDEO DECODER [U2001] is faulty.
Replace with a new device.
Recheck from check item (3.1.).
If it does not work, replace the PCB.
YES
119
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating