Denon AVR-X3200W Service Manual page 99

Can an output voltage (3.3V) to Q1107
(FET_SW) be confirmed?
Can an output voltage (1.2V) to IC115
be confirmed?
Can an output voltage (2.5V) to
IC116(DC-DC Conv.) be confirmed?
Can an output voltage (1.8V) to
IC114(DC-DC Conv.) be confirmed?
Can an output voltage (1.8V) to
Q1101(FET_SW) be confirmed?
Are the versions of the Ethernet SBL and IMG displayed in Version
Check Mode?
The circuit around CY920 is faulty.
NO
Is E_POWER1 (IC151 uCOM 132pin)
"Hi" ?
YES
NO
Is E_POWER4 (IC151 uCOM 135pin)
"Hi" ?
YES
NO
Is E_POWER2 (IC151 uCOM 133pin)
"Hi" ?
YES
NO
Is D5V_POWER (IC151 uCOM 136pin)
"Hi" ?
YES
NO
Is E_POWER_3 (IC151 uCOM 134pin)
"Hi" ?
YES
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
The Ethernet software is faulty.
99
The circuit of E_POWER1 between
IC151 and Q1107 are faulty.
The circuit around Q1107 (FET_SW) is
faulty.
The circuit of E_POWER4 between
IC115 and IC151 are faulty.
The circuit around IC115(DC-DC.
Conv.) is faulty.
The circuit of E_POWER2 between
IC151 and IC116 are faulty.
The circuit around IC116(DC-DC.
Conv.) is faulty.
The circuit of D5V_POWER between
IC151 and IC114 are faulty.
The circuit around IC114(DC-DC.
Conv.) is faulty.
The circuit of E_POWER_3 between
IC151 and Q1101 are faulty.
The circuit around Q1101(FET_SW) is
faulty.