Omron 8025G Maintenance Manual page 153

MAINTENANCE AND REPAIR
WAVEFORM 18: Next-line shift re-
gister outputs, one-
halfpage data
Oscilloscope Settings:
Vertical, 2 V/cm
Horizontal, 0.1 msec/cm
Synchronization, internal
IF SIGNAL IS INCORRECT OR ABSENT,
CHECK:
XE3, XD3, REG 1 clock circuitry
WAVEFORM 19: Next-line shift re-
gister inputs, one-
half page data
Oscilloscope Settings:
Vertical 1 V/cm
Horizontal, 2 usec/em
Synchronization, internal
IF SIGNAL "IS INCORRECT OR ABSENT,
CHECK: .
XE 4 -1, 4, 10, 13 ; XD4 -1, 4, 10, 13;
XB6-2; XC4-3,
6,
8, 11; XB4-3, 6,8,·
11; XD6-12, Refresh Memory Card
WAVEFORM 20: CPU BUSY
Oscilloscope Settings:
Vertical, 2 V/cm
Horizontal, 10 usec/cm
Synchronization, internal
IF SIGNAL IS INCORRECl' OR ABSENT,
CHECK:
XB6-8, Processor Card
SECTION 6