Yamaha RX-V675 Service Manual page 52

RX-V675/HTR-6066/RX-A730/TSR-6750
V2. DIGITAL VIDEO CHECK
This menu is used to check the digital video signal route.
V2-1. LOOPBACK TEST 1
Execute the test for all HDMI IN jacks by repeating the procedure below.
1. Select sub-menu other than V2-1.
2. Connect between any of the HDMI IN jacks and HDMI OUT jack with an HDMI cable.
3. Select V2-1. The test result is displayed in a few seconds.
CB421
HDMI IN
Front
IC423
HDMI EQUALIZER
Sii9587CNUC-3
Y,CbCr
VIDEO DECODER
Y,C
CVBS
52
V 2 - 1
T E S T 1 : O K
CB5 CB4 CB3
HDMI HDMI HDMI
IN5 IN4 IN3
IC1
HDMI SWITCHER
Sii9589-3CTUC
IC3
HDMI RECEIVER
ADV7619KSVZ
IC21
ADV7180BSTZ
OK: No error detected
NG: An error is detected
--: Checking
HDMI Cable for Loopback
CB2 CB1
HDMI HDMI
IN2 IN1
IC53
128Mbit
SDRAM
IC50
FPGA
EP4CE15F23C6N
CB61
HDMI
OUT
IC61
HDMI
TRANSMITTER
Sii9136CTU-3