Performance Check Procedure—2230 Service
I. Set:
VERTICAL MODE CH 1
CH 1 VOLTS/DIV 50 mV
CH 2 VOLTS/DIV 0.1 V
Channel 1 AC-GND-DC GND
Channel 2 AC-GND-DC AC
k. Use the Channel 2 POSITION control to center the
display.
I. Set CH 2 VOLTS/DIV switch to 50 mV for a 10-
division display.
m. CHECK—Display amplitude is 0.1 division or less.
m. Repeat parts f through h for Channel 1.
n. Disconnect the test equipment from the instrument.
14. Check Store Mode Cross Talk
a. Set:
15. Check Store Pulse Width Amplitude
VERTICAL MODE
VOLTS/DIV (both)
A SEC/DIV
BOTH and CHOP
,0.1 V
10 fts
b. Connect the Pulse Generator pulse-period output via
a 50 0 cable and a 50 0 termination to CH 1 OR X input
connector.
c. Set the generator to produce a 100 kHz, 5-division
display.
a. Set:
VERTICAL MODE
A SEC/DIV
STORE/NON STORE
ROLL/SCAN
1K/4K
CH 2
1 ms
NON STORE (button out)
SCAN (button out)
1K (button in)
b. Set the generator to produce a 1 ms period, 100 ns
pulse duration, 5-division display.
C. Set the STORE/NON STORE switch to STORE
d. Use the Channel 1 POSITION control to center the (button in),
display.
e. Set CH 1 VOLTS/DIV switch to 50 mV for a 10-
division display.
f. CHECK—Display amplitude on Channel 2 is less
than 1% (0.1 division).
g. Set the A SEC/DIV switch to 10 ms.
d. CHECK—The amplitude of the display is 2.5 divi
sions or greater.
e. Set the A SEC/DIV switch to 0.1 sec.
f. CHECK—The amplitude of the display is 2.5 divi
sions or greater.
g. Set ROLUSCAN switch to ROLL (button in).
h. CHECK—Display amplitude on Channel 2 is less
than 1% (0.1 division).
h. CHECK—The amplitude of the display is 2.5 divi-
i. Move the cable from the CH 1 OR X input connector sions or greater,
to the CH 2 OR Y input connector.
I. Set:
i. Set:
CH 2 VOLTS/DIV 0.1 V
Channel 1 AC-GND-DC GND
Channel 2 AC-GND-DC AC
VERTICAL MODE
A SEC/DIV
STORE/NON STORE
ROLUSCAN
BOTH and CHOP
1 ms
NON STORE (button out)
SCAN (button out)
4-10
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