SERVICE MANUAL
5–50
10FEB97 – SM3226-1
[12] Enter [7] for “Enter Commands”.
Note
• Commands must be entered using capital letters.
• See the Diagnostics section to clear any error
messages displayed on the PORTABLE
COMPUTER during this procedure.
[13] Enter [L] [D] [O] to energize the laser.
[14] Enter [P] [O] [N] to energize the POLYGON
MOTOR.
[15] Connect a 10X PROBE TL-2074 to the Channel A input of the OSCILLOSCOPE TL-3348.
[16] Connect the GROUND CLIP of the OSCILLOSCOPE PROBE in Channel A to CP5 on the SEQUENCE
BOARD.
[17] Connect the 10X OSCILLOSCOPE PROBE in Channel A to CP10 on the SEQUENCE BOARD.
[18] Set the Channel A to 1.0 Volt/Div.
[19] Set the Sec/Div.:
(a) To measure the low pulse width, set the knob to 1
µ
s/Div.
(b) To measure the high pulse width, set the knob to 1 ms/Div.
[20] Check that the waveform on the OSCILLOSCOPE is the same as the waveform below.
Input ‘HLP’ to know commands.
Enter command:
Enter Command: LDO
Enter Command: PON
2 ms.
Approx.
4.0 V
GND
Approx.
2
s
H129_1915BC
