Yamaha RX-V2065 Service Manual page 59

18. IF STATUS (Input function status)
Not applied to these models.
DSP status
19. BUS CHECK
Communication and bus line connection between devices on the DIGITAL P.C.B. are checked.
TI (DSP) BUS check
Communication and bus line connection between microprocessor (IC20) and TI (DSP, IC44) are checked.
NoEr : No error detected.
Boot : When "Boot" is displayed for a few seconds or "Boot" and "NoEr" are displayed alternately, there is a possibility
that an error had occurred.
BF LOOP :
Communication and bus line connection between main microprocessor (IC20) and BF (sub-microprocessor, IC505) are
checked.
OK : No error detected.
NG : An error is detected.
20. NO MENU (Invalidity)
D S T : 7 1 0 E 0 F 2 3 9 0
T I B U S : N o E r
B F L O O P : O K
I n v a l i d i t y
RX-V2065/HTR-6295
59