scinco Mega-800 - APPENDIX 1 Light Source Replacement; Replace the Tungsten Lamp

70 Mega-800 SCINCO
1)ROM check
2)Wavelength origin;
3)Multi-cell origin;
4)Slit origin;
5)Filter origin;
6)W lamp energy;
7)D2 lamp energy;
8) Wavelength check
ROM failure;
Abnormality of WL
origin ;
Abnormality of multi-cell
holder drive origin;
Slit mechanism failure
Filter mechanism
failure;
Opaque object in the
sample compartment;
W lamp is not lit
Opaque object in the
sample compartment;
D2 lamp is not lit;
Opaque object in the
sample compartment;
Wrong positioning of
D2 lamp.
Switch on power again to
check;
Switch on power again to
check;
Shift cell holder to check;
Loose mechanical
connection;
Switch on power again to
check;
Switch on power again to
check;
Open the sample
compartment;
Open the light source
housing;
Open the sample
compartment;
Open the light source
housing;
Remove the cover of
instrument;
Open the sample
compartment;
Open the light source
housing.
Contact our service
personnel;
Contact our service
personnel;
Remove the obstacle;
Tighten the connecting
mechanism;
Contact our service
personnel;
Contact our service
personnel;
Remove the opaque
object;
Replace the W lamp ;
Remove the opaque
object;
Replace the D2 lamp;
Replace the fuse of D2
lamp;
Remove the opaque
object;
Reposition the D2 lamp.
9)Noise abnormality
Light source ageing;
Wrong position of the
sample compartment;
Low voltage / strong
magnetic field;
Receiver ageing ;
Preamplifier board
failure;
Abnormality of AD
converter.
Measure in Energy mode;
Observe at 550nm;
Check voltage/source of
magnetic field;
Measure in Energy mode;
Check the preamplifier
board;
Check the drive board.
Replace the light source;
Reposition the sample
compartment;
Add voltage stabilizer
/eliminate interference;
Contact our service
personnel;
Contact our service
personnel;
Contact our service
personnel.
Appendix 1 Light source replacement
Replace the tungsten lamp
The tungsten lamp is plugged in a socket and sleeved by a plastic holder. It is well adjusted before
delivery. If you need to replace the tungsten lamp, please observe the following procedures to replace
it