Yamaha RX-V675 Service Manual page 48

RX-V675/HTR-6066/RX-A730/TSR-6750
C1-5. FPGA RAM
SDRAM (IC53)'s reading/writing are checked.
C1-6. BUS DIR1
Communication and bus line connection between microprocessor (IC83) and DIR (IC924) are checked.
C1-7. BUS DSP1
Communication and bus line connection between microprocessor (IC83) and DSP (IC921) are checked.
C1-8. EEPROM
EEPROM (IC82)'s reading is checked.
C1-9. INVALID ITEM
Not for service.
C1-10. INVALID ITEM
Not for service.
48
C 1 - 5
F P G A _ R A M : O K
OK: No error detected
NG: An error is detected
C 1 - 6
D I R B U S : O K
OK: No error detected
NG: An error is detected
C 1 - 7
D S P B U S : O K
OK: No error detected
NG: An error is detected
C 1 - 8
E E P R O M : O K
OK: No error detected
NG: An error is detected
C 1 - 9
I N V A L I D I T E M
C 1 - 1 0
I N V A L I D I T E M