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neoprobe
TM
GDS Operation Manual
AW-000639
Page
24 of 38
8.
MAINTENANCE
Product must be serviced by competent service technicians or engineers. Preventative maintenance is limited to
external cleaning of console, fuse replacement and functional diagnostics. Probes, collimators and cables are sealed or
do not contain serviceable components and cannot be repaired.
CAUTION
: P
erform safety testing of current leakage and ground continuity tests with power cable
attached as part of routine maintenance of product. This will ensure that power cord continues to be suitable
and safe for use.
User Calibration and Repair
Do not open console. Console is set to factory specifications. Console design is optimized for digital operation and
does not contain any analog adjustments.
Fuse Maintenance
Fuses can be accessed and replaced in AC Power Inlet Connector [25] located at rear of console. Table below
describes how to replace fuses (2 each).
CAUTION: disconnect power cord from console before checking fuses.
NOTE
: Both fuses are required for proper operation.
Step
Procedure
1.
Remove fuse holder with flat blade screwdriver
2.
Replace new 1.6 AMP/250V slow blow, low breaking capacity, T1.6AL 250V fuses.
Replacing fuse with incorrect rating will compromise safe operation, may cause permanent
damage, and void warranty.
3.
Reinstall fuse holder.
System Diagnostics
Visual Indicator Test Mode (VITM)
Verify visual indicators are operating properly:
Step
Procedure
Result
1
Press and hold Dynamic/Binary Pitch
Mode Selection Button [4] press and
release Mute Button [16] to enter
Diagnostic Mode
Background Count Readout [8]
displays message “
di ag
”.
diag
2
Press and hold Dynamic/Binary Pitch
Mode Selection Button [4]. Press and
release Dynamic Pitch Range 100
Button to activate visual indicator test
mode (
vitm
).
LED components on top half of LED
screen are lit.
Note: LED components on bottom half
of LED screen are off.
Vitm
3
Press and release Target Count Button
[11].
Target Count Readout color changes
from green to amber.
4
Press and release Background Count
Button [14].
LED components on bottom half of
LED screen are lit. Background Count
Readout displays message “
vi tm
”.
Note: LED components on top half of
LED screen are off.
Vitm
Artwork No: AW-000639 Revision: A Artwork Status: Released Lifecycle Name: Artwork
PCO No: N/A ECN No: ECN-000214 Release Date: 10/09/2012 Effective Date: 10/09/2012