Tektronix 7623, Instruction Manual

Page: 261 / 266

Page 2 of 7
Page 2-27
7623
CHANGE Fig. 2-10 as follows:
The CE 3 and CE 2 labels at right of LEVEL RANGE should read:
"CE^ Test Point" and "CE2 Test Point". The 5 labels at the lower
right corner should all have "Test Point" added. The CE1 and FGA
labels should be interchanged. Add FGK Test Point at right of
new FGA Test point label location.
step
51a,b, and c. Connect the test oscilloscope 10X probe to
each test
point listed in Table 2-9 (see Fig. 2-10) set the
deflection factor as required and check for voltages within
tolerances listed in Table 2-9.
Page 2-29
Tables 2-6 & 2-7
CHANGE
portions of these tables as underlined below:
TABLE 2-6
FAST MODE BISTABLE VOLTAGE LEVELS
TABLE 2-7
FAST MODE PREP VOLTAGE LEVELS
CE 3 (adjustable) +50 V to +80 V
CE„ (adjustable) +30 V to +50 V
Page 2-30 Table 2-8
CHANGE
the table heading as follows:
TABLE 2-8
FAST MODE ERASE VOLTAGE TRANSITION LEVELS
Page 2-31 after Step 52c
ADD Step 52d as follows:
d. If
properly ,
preceding step 51 and 52 adjustments do not respond
check Variable Persistence Mode Voltage Levels; repeat
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