Yamaha DSP-AX763, Service Manual, Page: 51 / 155

51
RX-V663/HTR-6160/DSP-AX763
RX-V663/HTR-6160/
DSP-AX763
10. VIDEO CHECK
サブメニュー操作により、ビデオ回路の確認をしま
す。
I2C （Inter integrated circuit） read/write check
I2Cラインに接続されているマイコンと各IC間でデー
タ読み出し／書き込みの正否を自己診断します。
10. 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.
0: OK / 正常
1: NG / 不良検出
0 bit: IC83 (DIGITAL P.C.B.)
1 bit: IC84 (DIGITAL P.C.B.)
2 bit: IC82 (DIGITAL P.C.B.)
3 bit: IC10 (DIGITAL P.C.B.)
4 bit: IC17 (DIGITAL P.C.B.)
5 bit: IC16 (DIGITAL P.C.B.)
6 bit: IC392 (VIDEO P.C.B.)
7 bit: IC24 (DIGITAL P.C.B.) (J model)
I2C:10000101
Digital component
下記の信号経路を確認します。
Digital component
The signal passage as shown below is checked.
DIGITAL COMP
Digital Component
HDMI IN
Component
HDMI OUT
Component
S Video
Video
S Video
Video
DIGITAL
IC17
SII9135CTU
VIDEO
IC358
OSD
DIGITAL
IC10
SIL9134CTU
DIGITAL
IC82
ADV7800
VIDEO
DECODER
DIGITAL
IC84
ADV7172
VIDEO
ENCODER
DIGITAL
IC83
ABT1010
I/P SCALAR