Omron 8025G Maintenance Manual page 155

MAINTENANCE AND REPAIR
SECTION 6
Timing Control Card. Plug the card onto the extender card and insert in the
terminal. Check for the following Signals in the order given:
WAVEFORM 23: I/O Couunand
Oscilloscope Settings: .
Vertical, 1 V/cm
Horizontal, 10 usec/em
Synchronization, internal
IF SIGNAL IS INCORRECI' OR ABSENT,
CHECK:
XES-6, XFS-4, XFS-IO,- Processor
Card
WAVEFORM
t4:
V SYNC
Oscilloscope Settings:
Verticle, IV/em
Horizontal, 10 usee/cm
Synchcnization, internal
.
IF SIGNAL IS INCORRECI' OR ABSENT,
CHECK:
XF4-12, XE3, circuitry related to
pin 4 of XE3
WAVEFORM 25: H SYNC
Oscilloscope Settings:
Vertical,
1
V/cm
Horizontal, 0.2 usec/cm
Synchronization, internal
IF SIGNAL IS INCORRECI' OR ABSENT,
CHECK:
XF4-10, XE3, circuitry related to
pin 13 of XE3
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