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Model 5304A
Maintenance
FREQ A, AUTO MODE.
5304A controls:
Channel A, SEP, XI, AC, +, PSET, AUTO
INPUT:
HP 651B set to 10 MHz, 100 mV rms/50S2.
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).
ACF (except as noted).
Channel A.
5300A SAMPLE RATE ccw out of O F F (except as
noted).
5300 Display should be approximately the
same as the HP 651B setting.
Test points using HP 10525A Logic Probe
H = High (lamp on)
L = Low (lamp off)
T P l
H (dim).
Flash rate decreases as 5300
SAMPLE RATE control is truned cw.
TP2
H (dim).
Flash rate decreases as 5300
SAMPLE
RATE
control
is
turned
cw.
I^evel goes Low when 5300A RESET is
pressed.
TP3
H (dim).
Flash rate decreases as 5300A
SAMPLE
RATE
control
is
turned
cw.
Level goes Low when
5300A RESET is
pressed.
TP4
H (dim).
H a s h rate decreases as 5300A
SAMPLE
RATP]
control
is
turned
cw.
Level goes High when 5300A RESET is
pressed.
TP5
H (dim).
Flash rate decreases as 5300A
SAMPLE
RATE
control
is
turned
cw.
Level goes High when 5300A RESET is
pressed.
TP6
L.
Goes
High
when
53(H) R&SET
is
pressed.
TP7
L.
Goes High
when 5300A RESET is
pressed.
TP8
9D-5-4
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