User's Manual Part 2

Appendix
FCC statement
Item Error
description
Possible root cause Possible swap parts
System -
Speaker
Speaker no
sound or
noise when
playing sound
1. Speaker damage
2. SOM board damage
3. Carrier board damage
1. Speaker
2. SOM board
3. Carrier board
System -
Headset
Headset no
sound or
noise when
playing sound
1. Headset damage
2. SOM board damage
3. Carrier board damage
1. Headset
2. SOM board
3. Carrier board
System -
Power button
Power button
not function
1. Power button damage
2. SOM board damage
3. Carrier board damage
1. Power button
2. SOM board
3. Carrier board
System -
RTC
RTC not
function
1. Coin cell damage
2. SOM board damage
3. Carrier board damage
1. Coin cell
2. SOM board
3. Carrier board
System -
Temperature
Temperature
does not
show or
abnormal
1. SOM board damage
2. Carrier board damage
1. SOM board
2. Carrier board
System -
LED
LED indicator
not function
1. SOM board damage
2. Carrier board damage
1. SOM board
2. Carrier board
System -
Wi-Fi
Wireless not
response or
no connection
1. Antenna cable disconnect
or damage
2. Antenna board damage
3. SOM board damage
1. Antenna cable
2. Antenna board
3. SOM board
System -
Bluetooth
Bluetooth not
response or
no connection
1. Antenna cable disconnect
or damage
2. Antenna board damage
3. SOM board damage
1. Antenna cable
2. Antenna board
3. SOM board
Engine Can’t open
ultrasound
app
1. SOM board damage
2. Carrier board damage
3. USB 3.0 cable (for
engine) damage
4. Power cable (for engine)
damage
1. SOM board
2. Carrier board
3. USB 3.0 cable
4. Power cable
FCC statement
Federal Communications Commission (FCC) Statement
15.21
You are cautioned that changes or modifications not expressly approved
by the part responsible for compliance could void the user’s authority to
operate the equipment.
15.105(b)
109