 |
|||
|
|
|||
|
Page Title:
Communication Channel Test (Wire) |
|
||
| ||||||||||
|
|
 SB 740-91-01
Step
Setting and Instructions
Normal Indication
5
(con't)
(b) Press "'PNL TEST".
Menu is displayed.
6 PLU Interface Test
(a) Press "'G" key.
On plasma panel observe operational
message data. Message is written to
the PLU data blocks then read back
and compared to the original message
in upper display for correctness.
Address Contents Test Number Running
Are displayed. Upon completion of
test Running will be replaced with
either Complete or Repeat. An indi-
cation of Complete shall be obtained.
7. Communication Channel Test (Wire)
(a) Verify that COMM CHI and
COMM CH2 are connected
to each other, via ex-
ternal wire pair.
(b) Connect oscilloscope channel
1 to J1-J with return J1-E.
(c) On keyboard select 'H'. Allow
A test message shall be displayed on
these series to tests to run
the plasma panel. Each series of
twice.
tests shall consist of 2 transmissions,
one from Channel 1 to Channel 2, the
second from Channel 2 to Channel 1,
for a total of four transmissions for
the two tests, at the end of which an
indication of "COMPLETE" shall be
obtained on the display.
The CHAN 1 and 2 BUSY indicators
shall illuminate during the message
transmission portion of the test.
(d) During "TEST NUMBER 711"
Waveform amplitude = 600 Myp-p min.
observe an FSK Audio tone
on the oscilloscope.
(e) Connect Channel 1 of the
oscilloscope from J2-J with
the return to J2-E.
Change 1 B-130.6
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals