Chapter IV – Maintenance
4-13
C
996-0255 rev. b
Troubleshooting flow charts ..................................................................... 5-1 to 4
Chronograph ............................................................................................ 5-5
A. Electronics rack troubleshooting ................................................................. 5-6
B. Q-switch troubleshooting ............................................................................ 5-8
Burn pattern diagram ............................................................................... 5-9
C. Going to free-running ................................................................................ 5-10
D. Oscillator alignment optimization .............................................................. 5-12
Image as seen through rod. .................................................................... 5-13
E. Oscillator optimization (with oscilloscope) ................................................. 5-14
F. Measuring oscillator stability in free-running mode ................................... 5-15
G. Eliminating free-running ............................................................................ 5-17
H. Dual inline amplifier alignment, single rod head, 811U-09 ........................ 5-20
Amplifier aperture positions .................................................................... 5-20
Amplifier adjustment screws .................................................................. 5-21
I. Dual amplifier IR alignment ........................................................................ 5-22
Amplifier alignment burn patterns .......................................................... 5-23
J. Quartz rotator alignment procedure ........................................................... 5-24
K. Amplifier alignment Precision II 8000 single rod heads ............................. 5-24
L. Flashlamp voltage adjustment ................................................................... 5-27
M. Cooling Group contamination ................................................................... 5-28
Chapter V Troubleshooting Contents
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