Denon AVR-X1200W - Changing the tune mode (Tune Mode); Tuning in to stations and presetting them automatically (Auto Preset)

The circuit around CY920 is faulty.
YES
YES
YES
YES
YES
Can the NET1.8V output voltage (1.8 V)
to Q7402 (FET-8W) be conrmed?
Can the NET3.3V output voltage (3.3 V)
to Q7404 (FET-SW) be conrmed?
Can the NET1.2V output voltage (1.2 V)
to IC743 (DC-DC Conv.) be conrmed?
Can the NET2.5V output voltage (2.5 V)
to IC742 (DC-DC Conv.) be conrmed?
Are the versions of the Ethernet SBL and IMG displayed in Version
Check Mode?
Is E_POWER1 (IC751 uCOM 53 pin) "Hi"
?
Is E_POWER3 (IC751 uCOM 56 pin) "Hi"
?
Is E_POWER4 (IC751 uCOM 61 pin) "Hi"
?
Is E_POWER2 (IC751 uCOM 55 pin) "Hi"
?
The circuit of E_POWER1 between
Q7404 and IC751 are faulty.
The circuit of E_POWER3 between
IC751 and Q7402 are faulty.
The circuit of E_POWER4 between
IC751 and IC743 are faulty.
The circuit of E_POWER2 between
IC751 and IC741 are faulty.
The circuit around Q7402 (FET-SW) is
faulty.
The circuit around Q7404 (FET-SW) is
faulty.
The circuit around IC743(DC-DC.Conv.)
is faulty.
The circuit around IC742(DC-DC.Conv.)
is faulty.
The Ethernet software is faulty.
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
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