Omron 8025G Maintenance Manual page 172

MAINTENANCE AND REPAIR
WAVEFORM 68: Q122 Emitter
Oscilloscope Settings:
Vertical, 1 V/cm
Horizontal, field rate
Synchronization; external
with leading edge of V SYNC
IF SIGNAL IS INCORRECT OR ABSENT,
CHECK:
R114
WAVEFORM 69: Q122 Collector
OScilloscope Settings:
Vertical, 50 V/cm
Horizontal, field rate
Synchronization; external
with leading edge of V SYNC
IF SIGNAL IS INCORRECT OR ABSENT,
OIECK: -
CRl03, RI13 and CI07, RI2l
WAVEFORM 70: Ql09 Collector
Oscilloscope Settings:
Vertical, 5 V/cm
Horizontal, line rate
Synchronization; external
with leading edge of H SYNC
IF SIGNAL IS INCORRECT OR ABSENT,
CHECK:
R142 and Cl16, Cl14, QllO, Q109
andQlll
SECTION 6
6-49