Gendex ORTHORALIX 9200 Service Manual page 79

ORTHORALIX 9200 Service Manual
F.3.21 +42V under range
The system control board PC1 +42V power supply is under range.
This power supply is coming from the PFC board PN1 and it is con-
trolled by the microprocessor of the system control board PC1.
Verify the value of the power supply on the test points TP1 and
TP7 (GND) on the PFC board PN1; by checking the LED H3 (ON=OK,
OFF=NOT OK) on the system control board PC1; by checking the
LED V5 (ON=OK, OFF=NOT OK) on the PFC board PN1.
Possible causes:
1.
check if fuse F2 on the PFC board PN1 is blown.
2.
PFC board PN1 defective.
3.
system control board PC1 defective.
If the host computer PC1 needs to be replaced, re-
member to remove the EEPROM D38 from the old
board and mount it on the new one, otherwise all
the following parameters will be lost:
If you forget to do this, recover the information from
the System Configuration Chart (see Section C).
The alarm is captured and stored as soon is detected.
Press the RESET pushbutton on the control panel to cancel the
alarm (if expired).
Gendex Dental Systems 4519-190-71193-7
F-10
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
F.3.22 +42V over range
The system control board PC1 +42V power supply is over range.
This power supply is coming from the PFC board PN1 and it is con-
trolled by the microprocessor of the system control board PC1.
Verify the value of the power supply on the test points TP1 and
TP7 (GND) on the PFC board PN1.
Possible causes:
1.
PFC board PN1 defective.
2.
system control board PC1 defective.
If the host computer PC1 needs to be replaced, re-
member to remove the EEPROM D38 from the old
board and mount it on the new one, otherwise all
the following parameters will be lost:
If you forget to do this, recover the information from
the System Configuration Chart (see Section C)
The alarm is captured and stored as soon is detected.
Press the RESET pushbutton on the control panel to cancel the
alarm (if expired).
(06.0)E