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Video Check; I2C (Inter Integrated Circuit) Read/Write Check; Digital Component; Digital Cvbs (Video) - Yamaha RX-V861 Service Manual

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11. VIDEO CHECK

The video circuit is checked by the sub-menu opera-
tion.

I2C (Inter integrated circuit) read/write check

Self-diagnosis is executed to check whether data
reading/writing between the microprocessor con-
nected to the 12C line and each IC is done properly or
not.

Digital component

The signal passage as shown below is checked.
Digital Component
S Video
Video

Digital CVBS (Video)

The signal passage as shown below is checked.
Digital CVBS (Video)
S Video
Video
I2C:000000
DIGITAL COMP
HDMI
IC14
HDMI
SII9033CTU
IC27
ABT1010
I/P SCALAR
HDMI
IC13
ADV7401
VIDEO
VIDEO
DECODER
IC358
OSD
DIGITAL CVBS
HDMI
IC14
HDMI
SII9033CTU
IC27
ABT1010
I/P SCALAR
HDMI
IC13
ADV7401
VIDEO
VIDEO
DECODER
IC358
OSD
RX-V861/HTR-6080/DSP-AX861SE/DSP-AX861
0: OK /
1: NG /
0 bit: IC27 (HDMI P.C.B.)
1 bit: IC3 (HDMI P.C.B.)
2 bit: IC13 (HDMI P.C.B.)
3 bit: IC1 (HDMI P.C.B.)
4 bit: IC14 (HDMI P.C.B.)
5 bit: IC18 (HDMI P.C.B.)
HDMI
IC1
SII9030CTU
HDMI
IC3
ADV7172
VIDEO
ENCODER
S Video
Video
HDMI
IC1
SII9030CTU
HDMI
IC3
ADV7172
VIDEO
ENCODER
S Video
Video
45

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