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Model 5304A
Maintenance
PERIOD AVERAGE A MODE
5304A Controls:
Channel A, SEP, XI, AC, +, PSET, PER AVG A.
INPUT:
651B set to 1 kHz, 100 mV rms/5012.
Oscilloscope:
HP 180A, 1801A Vert Amp, 1821A T.B. through
a 10:1 probe.
Settings:
AC coupled (except as noted).
NORM sweep mode.
+ slope (except as noted).
Channel A.
5300A
SAMPLE RATE ccw out of O F F (except as
noted).
5300 Display should be approximately
1.00000 MS, C.
HP 10525A Logic Probe
Test points using
H = High (lamp on)
L = Low (lamp off)
TPl
H (dim). Flash rate decreases when 5300 SAMPLE
RATE is turned cw.
Goes Low when RESET is
pressed.
TP2 H (dim). Flash rate decreases when 5300 SAMPLE
RATE is turned cw.
Goes Ix>w when RESET is
pressed.
TP3 H (dim). Flash rate decreases when 5300 SAMPLE
RATE is turned cw.
Goes High (bright) when
RESET is pressed.
TP4
H (dim). Flash rate decreases when 5300 SAMPLE
RATE is turned cw. Goes High (bright) when
RESET is pressed.
TPS L. Goes High when RESET is pressed.
TP6
H
TP7
H
9D-5-6
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