Network Ic Check; Link Check; Phy Test; Bus Ram - Yamaha RX-V673 Service Manual

RX-V673/HTR-6065/RX-A720
C2. NETWORK IC CHECK
This menu is used to check the communication and bus line connection between devices related to network.
C2-1. ALL
The synthetic judgment result of sub-menu C2-2 to C2-5 is displayed.
OK:
NG: An error is detected
--:
C2-2. LINK CHECK
LAN cable connection is checked.
Connect between NETWORK jack of this unit and LAN port of broadband router with a network cable.
*
When the network condition varies while sub-menu is displayed (e.g., the network is deactivated once), the
correct result will not be displayed. In that case, once turn off the power to this unit, then start up the self-
diagnostic function again and select this menu.
C2-3. PHY (Ethernet PHYceiver) TEST
Communication and bus line connection between PHY (IC955) and NETWORK microprocessor (IC951) are
checked.
C2-4. BUS RAM
Communication and bus line connection between SDRAM (IC952) and NETWORK microprocessor (IC951) are
checked.
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C 2 - 1
A L L : O K E x t . J I G
No error detected
Checking
C 2 - 2
L I N K C H K : O K
C 2 - 3
P H Y T E S T : O K
C 2 - 4
R A M B U S : O K
When test result using the "C2-2. LINK CHECK" menu is
NG, the sub-menu C2-2 is NG, "Ext. JIG" is displayed.
OK: Normal
NG: Disconnected
--: Checking
OK: No error detected
NG: An error is detected
--: Checking
OK: No error detected
NG: An error is detected
--: Checking