2) I/O CONNECTION ERROR ( E.21 )
▶SOLUTION
1 TEST
:
POWER OFF - ON TEST
2 CHECK :
ANDROID
1) Check and reconnect the D-SUB 9PIN connector ( P1-1 )
2) Check DC IN connector connection status and reconnector ( P1-2 )
3) Check whether LED1 GREEN is on ( P1-3 )
4) Power measurement ( P1-2 )
5) ANDROID PCB REPLACEMENT
3 BHB I/O
1) Check and reconnect CN7 UART0 3PIN connector ( P2-1 )
2) Check the CN3 POWER connection status and reconnector ( P2-2 )
3) Check whether D2 GREEN is on ( P2-3 )
4) Check whether D1 RED is blinking ( P2-4 )
5) Power measurement ( P2-2)
6) BHB I/O replacement
PART NAME
CODE
PART NAME
CODE
ANDROID PCB ASS'Y
ABHB0PCB001 BHB I/O PCB ASS'Y
ABHB0PCB002
ERROR OR LOCATION
P1
P2
3
2
1
1
G ND
2
G ND
3
+12V
4
+12V
1
+12V
2
G N D
3
+5V
4
+12V
5
G N D
6
+5V
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