Physio Control LIFEPAK 9 - Page 89

LIFEPAK 9 defibrillator/monitor
Warning SHOCK HAZARD. Potentially dangerous voltages are present on the
pins of R302 and R306. Use an insulated screwdriver for adjustment.
16. Turn R302 counterclockwise just until the raster disappears. Turn R302
counterclockwise approximately 1/16 turn more.
17. Turn R402 clockwise until the normal display intensity is visible.
Note: Raster will not reach normal intensity if R302 is turned too far
counterclockwise.
18. Adjust R111 for an overall pattern width of 106 +2mm. Adjust R113,
Horizontal Linearity (FRAME LIN) so that each box is approximately
the same width.
Note: The adjustments of R111 and R113 are interactive. Repeat the
above step until both measurements are correct.
19. Adjust R402 to obtain a dim display. Adjust R306, Focus, for maximum
sharpness of the display characters.
20. Adjust the yoke rings to center the test pattern on the CRT within 2mm.
Confirm that the difference in height from the right side to the left side
of the test pattern is less than or equal to Imm. Check that the
difference in width from the top to the bottom is less than or equal to
2mm.
21. Turn R402 clockwise until the normal display intensity is visible.
170008-001 Orig
3-32 All Rights Reserved © August 1993 Physio-Control