ELCOM Euro-2000T Alpha Service Manual page 78

6.7.4. FM control signal test I.
The FM control signals FM-SEL, FM-PGM, FM-DIR, FM-AH, FM-AL and A16 are very important for proper function of FM. This test
allows you to check these signals by simple voltmeter.
Test initiation:
1) Switch the cash register to ,,P“ mode.
2) Press 740 on numerical keyboard.
3) Press the key
Euro-2000T Alpha
Euro-1000T
Test description:
1) The FM-SEL, FM-PGM a FM-DIR signals are changed three times in period of about 1,2 sec.
2) The test execution is displayed and printed out.
Correct values:
1
0
If the measured values are incorrect, see chapter 7.8.
6.7.5. FM control signal test II.
The FM control signals FM-SEL, FM-PGM, FM-DIR, FM-AH, FM-AL and A16 are very important for proper function of FM. This test
allows you to check the signals FM-AH, FM-AL and A16 by simple voltmeter.
Test initiation:
1) Switch the cash register to ,,P“ mode.
2) Press 750 on numerical keyboard.
3) Press the key
Euro-2000T Alpha
Euro-1000T
Test description:
1) The FM-AH, FM-AL and A16signals are changed three times in period of about 1,2 sec.
2) The test execution is displayed and printed out..
Correct values:
1
0
If the measured values are incorrect, see chapter 7.8.
78
Euro-2000T Alpha/1000T
( )
R
K [TIME].
74 0
740
min. : 3,5 V
max. : 0,4 V
( R )
[TIME].
K
75 0
750
min. : 3,5 V
max. : 0,4 V
Service manual
Printout:
**
K
A
740
R Q
Printout:
**
K
A
750
R Q
© Elcom s.r.o.
TEST **
TEST **