NEC PX-50XM4 series Service Manual page 291

4. RGB inputs
1) Horizontal sync period
2) Vertical sync period
For the respective inspection signals, the above "a" to "j" shall be listed on the next page and thereafter.
Video signal
0.7Vp-p
Sync signal
TTL level
Positive/negative polarity
Video signal
0.7Vp-p
Sync signal
TTL level
Positive/negative polarity
c
b
h
g
6-14
CONFIDENTIAL
d e
a
i j
f