Tektronix 2212 Service Manual

2212 Service Manual
Performance Tests
c. Check:
Readout for TVL 17 Fl.
d. Set: Trace INTENSITY to maximum for a viewable
display.
Check for a display like Figure 4-1 (NTSC) I Figure 4-2 (PAL).
Press:
SLOPE to select Field 2.
Check that the Negative SLOPE LED is on.
Readout: TVL 17 F2 (NTSC) I 330 F2 (PAL)
Check for a display like Figure 4-3 (NTSC) I Figure 4-4 (PAL)
e. Rotate: LEVEL fully ccw.
Check that the CRT Readout displays: TVL ALL,
a bright display, and triggered on all lines with the vertical
sync. pulses running across the display.
f. Rotate: LEVEL slowly through its range.
Check that ALL LINES and line 1 (NTSC) 1314 (PAL) till
line 262 (NTSC) I 625 (PAL) can beselected.
g. Press:
SLOPE to select field 1.
Rotate: LEVEL slowly through its range.
Check that ALL LINES and line 1 till line 263 (NTSC) I
313 (PAL) can be selected.
Step 5. Check CH 2 AC clamp
a. Set:
b.
Rotate:
c.
Set:
Set:
Set:
Select:
Check:
Trigger MODE ........................... P-P AUTO
CH 2 INPUf Coupling .............. GND
VOLTSII)IV ............................... 0.1 V
CH 2 POSITION so the trace is situated on the
graticule center.
CH 2 Input Coupling to AC.
Trigger MODE to TV LINES
Trigger LEVEL to ALL LINES
A flat field from the TSG-100
CRT Readout for CH 2: "0.lV-C"
Check that the black level of the signal is at the graticule center.
d. Change the input signal from 0% to 100% flatfield and check for a
trace shift< 0.4 div.
Revised 3/93
4- 31

Tektronix 2212 Specifications

General

Brand	Tektronix
Model	2212
Category	Test Equipment
Language	English