Tektronix CSA 803C Marine Radio User Manual


 
CSA 803C Service Manual
1Ć1
Specifications
This section provides specifications for testing and adjusting your CSA
803C. Refer to the CSA 803C User Manual for a general description of the
characteristic, environmental, and user specifications of the CSA 803C.
Table 1Ć1 lists measurement and specification values. Refer to the PerforĆ
mance Verification section for Performance test procedures; refer to the
Adjustments section for Adjustment procedures.
TableĂ1Ć1:ăMeasurement Limits, Specifications, Adjustments, and Functional Tests
Part and Description Measurement
Limits (Examine)
Specifications
(Check)
Adjustments
(Adjust)
Functional
Tests
PowerĆOn Diagnostics none none none yes
Sampling Head none none none yes
Extended Diagnostics none none none yes
Power Supply no
Voltage Supply +4.85 V to
+5.25 V
none none
Voltage Reference +5.15 V to
+5.25 V
none R800 +5.2 V Ref
for +5.20 V
Regulator Reference +9.95 V to
+10.05 V
none R730 +10 V Ref
for +10.00 V
Display
Cutoff visible none SCREEN, on
transformer on A8
CRT Driver board,
until display
appears
no
Convergence primary colors are not
separated in the white
grid
none CONVERGENCE,
R210, for
optimum
convergence of
red, green, and
blue
no
Focus focused grid pattern none FOCUS, on
transformer on A8
CRT Driver board,
for optimum focus
on white grid
pattern
no