D-Video Pcb Route Check; Hdmi Loop-Back Test - Yamaha RX-V3900 Service Manual

RX-V3900/DSP-AX3900
V2. D-VIDEO P.C.B. ROUTE CHECK
Check the image signal route as shown below.

HDMI loop-back test

TEST1
Loop-back check 1
CB704
HDMI
Y,CbCr
Y,C
CVBS
TEST2
Loop-back check 2
CB704
HDMI
Y,CbCr
Y,C
CVBS
68
CB705 CB706 CB707
HDMI HDMI HDMI
IN1 IN2 IN3 IN4
IC726 IC728
HDMI SW HDMI SW
SiI9185A SiI9185A
IC727
HDMI RX
SiI9135
IC701
Video Decoder
ADV7800-80 YGV619
IC715
64Mbit
SDRAM
CB705 CB706 CB707
HDMI HDMI HDMI
IN1 IN2 IN3 IN4
IC726 IC728
HDMI SW HDMI SW
SiI9185A SiI9185A
EP2C8F256C8N
IC727
HDMI RX
Data Check
SiI9135
IC701
Video Decoder
ADV7800-80 YGV619
IC715
64Mbit
SDRAM
OK
NG
HDMI Cable for Loopback
IC752 IC753
256Mbit 256Mbit
DDR2 DDR2
CB708
HDMI
IC751
OUT1
I/P Scalar
ABT2010
IC729
HDMI TX
SiI9134
IC737
FPGA
EP2C8F256C8N (I/O 182pin)
IC740
64Mbit
SDRAM
IC714 IC702
GUI Video Encoder
ADV7342
HDMI Cable for Loopback
IC752 IC753
256Mbit 256Mbit
DDR2 DDR2
CB708
HDMI
IC751
OUT1
I/P Scalar
ABT2010
IC729
HDMI TX
SiI9134
IC737
FPGA
Test Pattern
(I/O 182pin)
IC740
64Mbit
SDRAM
IC714 IC702
GUI Video Encoder
ADV7342
CB709
HDMI
OUT2
HPD Line Check
DDC Line check
IC732
HDMI TX
SiI9134
Y,CbCr
Y,C
CVBS
CB709
HDMI
OUT2
IC732
HDMI TX
SiI9134
Y,CbCr
Y,C
CVBS