Service manual

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 OFF (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)
TPl 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). Hash 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