Remote Contrai - Hantarex POLO 10" Manual De Servicio

REMOTE CONTROL
The module CR contains all the image control trimmers and is connected to the mother board by a male
(J
connector 107); this permits the module to be disconnected from the mother board, and re-connected via
a 1.5m extension cable (available as an extra), giving the ability for an operator to make all necessary
adjustments from in front of the game cabinet. The extension cable and plastic support for the module can be
ordered as «Remote Control Unit» code no. 62016260. (See illustration).
DESCRIPTION OF THE FUNCTIONING OF INTEGRATED CIRCUIT (7406) IC102, USED AS
A BAR GENERATOR AND A VIDEO BLANKING GENERATOR
Section A/B/C D/E/F
&
Section NB/C
Section O/E/F
WARNING
In this cond ition, the monitor still functions in the prese nce of a normal external
(see attached circuit)
A vertical bar generator used by an operator for a rapid check on the functioning of
the video circuitry and for geometry adjustments.
move the bridge on the "Test Video" connector mounted on the remote control module
into the " ON" position.
Alternatively it functions as a vertical and horizontal blanking generator in those cases
where the logic board does not provide blanking, or where the blanking pulse
available is less than 7 µ s;
lines of differing colours in certain parts of the screen can be eliminated.
As supplied the monitor has the artificial blanking circuit unactivated. To
activate this functio n , remove the bridge
blanking signal.
To activate the function generator,
in this way irregular colouration or horizontal fly back
P152.
9