I2C; Fpga Ram; Bus Dir; Bus Dsp1 - Yamaha RX-V667 Service Manual

C1-4. I2C
The I2C (Inter integrated route) bus line connection is checked.
0 : No error detected
1 : An error is detected
C1-5. FPGA RAM
Reading/writing SDRAM (IC62) are checked.
OK : No error detected
NG : An error is detected
C1-6. BUS DIR
Communication and bus line connection between microprocessor (IC908) and DIR (IC42) are checked.
OK : No error detected
NG : An error is detected
C1-7. BUS DSP1
Communication and bus line connection between microprocessor (IC908) and DSP1 (IC945) are checked.
OK : No error detected
NG : An error is detected
RX-V667/HTR-6063/RX-A700
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Error detection of HDMI transmitter 1 (IC71)
Error detection of Video encoder (IC41)
Error detection of Video decoder (IC32)
Error detection of HDMI dual receiver (IC3)
Error detection of HDMI switch 2 (IC2)
Error detection of HDMI switch 1 (IC1)
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