Yamaha RX-V673 Service Manual page 53

V2-3. LOOPBACK TEST 3
Execute the test for all HDMI IN jacks by repeating the procedure below.
1. Select sub-menu other than V2-3.
2. Connect between any of the HDMI IN jacks and HDMI OUT jack with an HDMI cable.
3. Select the input source corresponding to the connected HDMI IN jack by using "INPUT
keys (RX-V673/HTR-6065) / "INPUT" knob (RX-A720).
4. Select V2-3. The test result is displayed in a few seconds.
Select the input source
H D M I 1
CB30
HDMI IN
Front
IC30
HDMI EQUALIZER
TMDS261
IC2
HDMI SWITCHER 2
Sii9589-3
HDMI RECEIVER
IC21
Y,CbCr
VIDEO DECODER
Y,C
CVBS
ADV7180BSTZ
V2-4. INVALID ITEM
Not for service.
V2-5. INVALID ITEM
Not for service.
V2-6. INVALID ITEM
Not for service.
V - A U X
HDMI Cable for Loopback
CB5 CB4 CB3 CB2
HDMI HDMI HDMI HDMI HDMI
IN5 IN4 IN3 IN2
IC1
HDMI SWITCHER 1
Sii9589-3
IC3
ADV7619
V 2 - 4
I N V A L I D I T E M
V 2 - 5
I N V A L I D I T E M
V 2 - 6
I N V A L I D I T E M
Result
V 2 - 3
T E S T 3 : O K
CB1
IN1
IC53
128Mbit
SDRAM
IC50
FPGA
1080/60Hz 12bit
EP4CE15F23C6N
RX-V673/HTR-6065/RX-A720
" and "INPUT "
OK: No error detected
NG: An error is detected
--: Checking
CB61
HDMI
OUT1
IC61
HDMI
TRANSMITTER
Sii9136-3
53