Yamaha R-N402 Service Manual page 32

R-N402/R-N402D
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 total detection result of sub-menus from C2-2 to C2-8 is displayed.
C2-2. NET RAM
Not for service.
C2-3. PHY (Ethernet PHYceiver) TEST
Not for service.
C2-4. APL (Apple) ID CHECK
Apple authentication IC (IC511) device ID is checked.
C2-5. CLK GEN
Communication between NET CPU and the clock generator IC is checked.
C2-6. PMIC
Communication between NET CPU and PMIC is checked.
C2-7. WL MOD
Not for service.
32
C2-1
ALL:OK
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:NG
C2-6
PMIC:NG
C2-7
WL MOD:NG