HP 4328A - Page 75

Model 4328A
---=-~
TABLE 8-2 OTING
OSCILLATOR
P/0 A3 JROUBLESHO
NO OSCILLATION
(METER GOES TO
- EVEN IF PROBES
SHORTED
* CHECK THIS ITEM
FIRST
RETURN TO
OK - BEGINNING
AND RECHECK
• CHECK W2-04328-707:l
PROBE CABLE ASS'Y
CHECK R360
AND CR302
FOR OPEN
CHECK WAVEFORM
REPAIR OR
BAD- REPLACE
CHECK C322 CHECK C302,
FOR OPEN ---- OK - C304 FOR
OK - BY BRIDGING OPEN
SUBSTITUTES
REPLACE
BAD-FAULTY
COMPONENT
REMOVE
CR322, CR323
BAD-CHECK AND
REPLACE
REPLACE
BAD- FAULTY
COMPONEN1
A3T.P. 5 --'"'1
OK-
A30
CHECK T301, T302
T201.
OK- CHECK VOLTAGE
AT Q306 COLLECTOR
BAD