Yamaha RX-V771 Service Manual page 48

RX-V771
V1-4. MUTE CHECK
The video signal is muted.
MUTE CHECK
HDMI IN
Component In
S Video In
(B, G, F models)
Composite In
V1-5. TEST PATTERN
The test pattern is output from video encoder
(IC22 on DIGITAL P.C.B.).
TEST PATTERN
HDMI IN
DIGITAL
IC3
HDMI
Receiver
Component In
Component
S Video In
(B, G, F models)
Composite
Composite In
V1-6. VIDEO INFORMATION
The information of input analog video signals
is displayed.
48
V 1 - 4
M U T E C H E C K
DIGITAL
IC3
HDMI
Receiver
DIGITAL
IC21
VIDEO
VIDEO
Decoder
IC303
Component
Selector
VIDEO
IC302
Composite
Selector
V 1 - 5
T E S T P A T T E R N
DIGITAL
IC51
FPGA
DIGITAL
IC21
VIDEO
VIDEO
Decoder
IC303
Selector
VIDEO
IC302
Selector
V 1 - 6
V I D I N : 4 8 0 i 6 0
V1-4. MUTE CHECK
映像信号がミュートされます。
DIGITAL
IC51
FPGA
Transmitter
DIGITAL
IC22
MUTE
VIDEO
VDEC_N_RST
VIDEO
Encoder
IC301
Video Driver
MUTE
CPNT_N_VMT
MUTE
VIDEO
VID_N_MMT
IC305
Video Driver
V1-5. TEST PATTERN
ビデオエンコーダー（DIGITAL P.C.B. の IC22）
からテストパターンが出力されます。
HDMI OUT
DIGITAL
IC61
HDMI
Transmitter
DIGITAL
Component Out
IC22
VIDEO
VIDEO
Encoder
IC301
Video Driver
VIDEO
IC305
Video Driver
Composite Out
V1-6. VIDEO INFORMATION
入力されているアナログ映像信号の情報が表
示されます。
HDMI OUT
DIGITAL
IC61
HDMI
Component Out
Composite Out