Yamaha RX-V681, Руководство по обслуживанию

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RX-V681/RX-A760
RX-V681/RX-A7
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C2. NETWORK MICROPROCESSOR CHECK
This menu is used to check the communication and bus line connection between devices and Network Microproces-
sor on Network Module.
C2-1. ALL
The synthetic judgment result of sub-menu C2-2 to C2-8 is displayed.
C2-2. NET RAM
Communication and bus line connection of RAM IC on Network Module is checked.
C2-3. PHY (Ethernet PHYceiver) TEST
Communication and bus line connection of PHY on Network Module is checked.
C2-4. APL (Apple) ID CHECK
Apple authentication IC (IC9 5 3) on DIGITAL P.C.B. device ID is checked.
C2-5. CLK GEN (Clock Generator)
Access of Clock generator on Network Module connected to Network Microprocessor is checked.
OK: No error detected
NG: An error is detected
--: Checking
C2-2
NET RAM:OK
OK: No error detected
NG: An error is detected
--: Checking
C2-3
PHY TEST:OK
OK: No error detected
NG: An error is detected
--: Checking
C2-4
APL ID:OK
OK: No error detected
NG: An error is detected
--: Checking
C2-5
CLK GEN:OK
C2-1
ALL:OK
OK: No error detected
NG: An error is detected
--: Checking