Tfektronix MANUAL change inform ation
c o m m it te d to e xc ell en ce Date:
_____
6-6-84
_________
Change Reference:
____
C1/0684
_______
Product: 2215A SERVICE Manual Part No, 070-4735-00
DESCRIPTION PG 46
EFFECTIVE ALL SERIAL NUMBERS
TEXT CHANGES
Page 5-19—5-20 Step 2.
Replace 2. Adjust Trigger Sensitivity (R479) with the following procedure.
2. Adjust Trigger Sensitivity (R479) and (R627)
e. ADJUST—A Trigger Sensitivity (R479) while rotating
the A TRIGGER LEVEL control slowly so that the A Trigger
is just able to be maintained.
f. Adjust the A TRIGGER LEVEL control for a stable
display.
g. Set the HORIZONTAL MODE switch to B.
h. ADJUST—B Trigger Sensitivity (R627) while rotating
the B TRIGGER LEVEL contol slowly so that the B Trigger
is just able to be maintained.
i. Return the HORIZONTAL MODE switch to A.
REPLACEABLE ELECTRICAL PARTS LIST CHANGES
CHANGE TO:
A5R627 311-1921-00 RES.VAR.NONWIR: 250 OHM.10%.0.5W
Page 1 of 1
a. Set:
VERTICAL MODE CH 1
CH 1 VOLTS/DIV 0.1 V
AC-GND-DC (both) AC
A and B SEC/DIV 10Ms
b. Connect the leveled sine-wave generator output via a
50-0 cable and a 50-0 termination to the CH 1 OR X input
connector.
c. Set the generator to produce a 50-kHz, 2.2-division
display.
d. Set the CH 1 VOLTS/DIV switch to 1 V.
000-2775-00D
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