Digital Pcb Check; All; Bus Fpga; I2C - Yamaha RX-V673 Service Manual

RX-V673/HTR-6065/RX-A720
C1. DIGITAL P.C.B. CHECK
This menu is used to check the communication and bus line connection between devices on DIGITAL P.C.B.
C1-1. ALL
The synthetic judgment result of sub-menu C1-2 to C1-8 is displayed.
C1-2. BUS FLASH ROM
FLASH ROM (IC77)'s reading/writing are checked.
C1-3. BUS FPGA
Communication and bus line connection between microprocessor (IC83) and FPGA (IC50) are checked.
C1-4. I2C
The I2C (Inter integrated circuit) bus line connection is checked.
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C 1 - 1
A L L : O K
C 1 - 2
B U S _ F R O M : O K
C 1 - 3
B U S _ F P G A : O K
C 1 - 4
0 - 0 0 - - - 0 - - 0
Error detection of Front HDMI equalizer (IC30)
Error detection of Video decoder (IC21)
Error detection of HDMI transmitter (IC61)
Error detection of HDMI receiver (IC3)
Error detection of HDMI switcher 1 (IC1)
OK: No error detected
NG: An error is detected
OK: No error detected
NG: An error is detected
OK: No error detected
NG: An error is detected
0 : No error detected
1 : An error is detected