Denon AVR-X5200W Service Manual page 108

Can a voltage (5V) be confirmed between pin 2 and pin 5 of
N6502?
Can an output voltage (3.3V) to
U611(DC-DC Conv.) be confirmed?
Can an output voltage (1.2V) to U608
be confirmed?
Can an output voltage (1.9V) to U903
be confirmed?
Are the versions of the Ethernet SBL and IMG displayed in Version
Check Mode?
The circuit around CX870 is faulty.
YES
NO
Is D5V_POWER (U5001 uCOM 85pin)
"Hi" ?
YES
NO
Is E_POWER4 (U5001 uCOM 56pin)
"Hi" ?
YES
NO
Is E_POWER2 (U5001 uCOM 54pin)
"Hi" ?
YES
YES
NO
The circuit between the AC inlet and N6502
is faulty. Check the SMPS PCB.
NO
YES
NO
YES
NO
YES
NO
The Ethernet software is faulty.
108
The circuit of D5V_POWER between
U5001 and U611 are faulty.
The circuit around U5001(DC-DC.
Conv.) is faulty.
The circuit of E_POWER4 between
U608 and U5001 are faulty.
The circuit around U608(DC-DC.
Conv.) is faulty.
The circuit of E_POWER2 between
U5001 and U903 are faulty.
The circuit around U903(DC-DC.
Conv.) is faulty.