Tektronix TLA715 Series, Service Manual

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Specifications
1- 12
TLA715 Dual Monitor Portable Mainframe Service Manual
Table 1- 8: Secondary power
Characteristic Description
n
DC Voltage Regulation Voltage Vmin Vnom Vmax
+24 V 23.28 V 24.24 V 25.20 V
+12 V 11.64 V 12.12 V 12.60 V
+5 V 4.875 V 5.063 V 5.250 V
--2 V --2.10 V --2.00 V --1.90 V
--5.2 V --5.460 V --5.252 V --5.044 V
--12 V --12.60 V --12.12 V --11.64 V
--24 V --25.20 V --24.24 V --23.28 V
Table 1- 9: Cooling
Characteristic Description
Cooling system Forced air circulation system with no removable filters using six fans operating in parallel
Pressurization Negative pressurization system in all chambers including modules
Slot activation Installing a module activates the cooling for the corresponding occupied slots by opening the
airflow shutter mechanism. Optimizes cooling efficiency by only applying airflow to installed
modules.
Air intake Front sides and bottom
Air exhaust Back rear
Cooling clearance 2 inches (51 mm) front, sides, top, and rear. Prevent blockage of airflow to bottom of instrument
by placing on a solid, noncompressable surface; can be operated on rear feet.
Fan speed and operation All fans operational at half their rated potential and speed (12 VDC)