HP 4328A - Schmitt Trigger P,O A3 Troubleshooting

RETURN TO
OK - BEGINNING
AND RECHECK
ECK C302,
14 FOR
EN
REPLACE
BAD- FAULTY
COMPONENTS
~PLACE
WLTY
)MPONENT
CHECK DC
LEVEL OF
OK - Q30l, Q302,
Q303, Q304
CHECK AND
BAD REPLACE
-FAULTY
COMPONENTS
CHECK ALL
SOLDER
OK- CONNECTIONS
ON OSCILLATOR
CIRCUIT
FIND AND
REPLACE
BAD -FAULTY
COMPONENTS
CHECK C301,
C322 FOR
OK- OPEN BY
BRIDGING
SUBSTITUTES
FIND AND
FIX
BAD-POOR
CONTACTS
TABLE 8-3
SCHMITT TRIGGER P/
CHECK WAVEFORM
A3 T. P. 2
A3
0
SAME AS
A3 T. P 1
-