5-11
2. CONT PCB
CONTROL/MODEM board (05P0702) is tested.
Pressing [ENT] key starts the test. The tests listed on the two screen proceed automatically.
After finishing these tests, check the test results switching the two screens with the up/ down arrow keys.
TT
TT
T
est items on the fest items on the f
est items on the fest items on the f
est items on the f
irir
irir
ir
st scrst scr
st scrst scr
st scr
eeneen
eeneen
een
FROM 1FROM 1
FROM 1FROM 1
FROM 1
The checksum test of Flash ROM, U4 of main CPU is executed. If the test result is good, the program
version is displayed. If not, “NG” is displayed.
FROM 2FROM 2
FROM 2FROM 2
FROM 2
The checksum test of Flash ROM, U11 of MODEM is executed. If the test result is good, the program
version is displayed. If not, “NG” is displayed.
EEROMEEROM
EEROMEEROM
EEROM
The read-write test of EEROM, U5 is executed. If the test result is good, “OK” is displayed. If not,
“NG” is displayed.
SRAMSRAM
SRAMSRAM
SRAM
The read-write test of SRAM, U6 and U7 is executed. If the test results are good, “OK” is displayed. If
not, “NG” is displayed.
NMEA,NMEA,
NMEA,NMEA,
NMEA,
R R
R R
R
TT
TT
T
,,
,,
,
NBDP NBDP
NBDP NBDP
NBDP
,,
,,
,
DMC DMC
DMC DMC
DMC
The loopback tests of NMEA, RT, NBDP, and DMC are executed. Connect TX line to RX line at each
port. If the test result is good, “OK” is displayed. If not, “NG” is displayed.
3. Test through the Setup Menu
* * CONT PCB test * *
TEST ON
* * CONT PCB test * *
TEST ON
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FROM 1
FROM 2
EEROM
SRAM
NMEA
MODEM
RT
NBDP
DMC
RX 1
RX 2
PRINTER
NEXT
LCD
CNTRST
B LED
A LED
VC 1
VC 2
LINE
BK
E ALARM
E ALERT
INPUT
--------------
BACK
Port
RT
NBDP
DMC
IEC(NMEA)
#1 - #3 , #2 - #4
Connector terminal to short
#2 - #3
#2 - #3
#1 - #3 , #2 - #4
Test items on the first screen Test items on the second screen
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