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2. Cannot connect to network. / Cannot connect to Bluetooth.
2.1. First Setup dosen't operate normally, Ethernet doesn't playback, Bluetooth
doesnot.
Check the writing signal for CY920.
MAIN PCB
There are no abnormal voltages, such as middle potential.
There is no abnormal waveform.
[IC109]
FLASH_HOLD
EXT_FLASH_CS
FLASH_DIN
FLASH_CLK
FLASH_DOUT
FLASH_WPROT
Check the status of the following parts and check the solder.
MAIN PCB
IC109
Other, connected circuit.
NO
YES
Check the communication signal for CY920.
MAIN PCB
There are no abnormal voltages, such as middle potential.
There is no abnormal waveform.
E_SPI_REQ
E_FACT_RST
E_SPI_CS
E_SPI_CLK
E_SPI_MIEO
E_SPI_MOEI
E_RESET
E_RXDMOEI
E_TXDMIEO
Check the status of the following parts and check the solder.
MAIN PCB
IC101
Other, connected circuit.
NO
YES
Check the communication signal for Wired.
MAIN PCB
There are no abnormal voltages, such as middle potential.
There is no abnormal waveform.
[JACK102
、
1pin]
ETH_TX-
[JACK102
、
2pin]
[JACK102
、
3pin]
ETH_RX-
[JACK102
、
6pin]
Check the status of the following parts and check the solder.
MAIN PCB
JACK102, L107, L108
Other, connected circuit.
NO
YES
Check the signal for Wireless.
The antenna cable and the connection, there is no
abnormality.
After confirming the connector of the connection, replace the
cable.
NO
YES
Check the Power Supply Voltages for CY920.
MAIN PCB
・CY920_
+1.2V
・CY920_
+1.8V
・CY920_
+2.5V
・CY920_
+3.3V
Check the status of the following parts and check the solder.
POWER PCB
L154, L155, L156, L157, IC131, IC119
When the power is on,
POWER PCB
IC128, IC129, IC120, IC118
When the network standby,
MAIN PCB
CP127,IC105,IC110,IC106,IC111
Other, connected circuit.
NO
YES
Replace the CY920 MODULE.
Summary of Contents for NA6005
Page 8: ...Personal notes 8 ...
Page 30: ...Personal notes 30 ...
Page 39: ...BLOCK DIAGRAM 39 ...
Page 40: ...POWER DIAGRAM 40 ...