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12. MONITOR
When performing such work as installing and removing the monitor, inserting and disconnect-
ing the external connectors to and from monitor, be sure to disconnect the power connector
(plug) before starting work. Proceeding the work without following this instruction can cause
electric shock of malfunctioning.
Using the monitor by converting it without obtaining a prior permission is not allowed. SEGA
shall not be liable for any malfunctioning and accident caused by said conversion.
Primary side and secondary side
The monitor’s circuit which is divided into the Primary
side and secondary side, is electrically isolated. Do
not touch the primary side and the secondary side
simultaneously. Failing to observe the instruction can
cause electric shock, and this is very dangerous.
When making monitor adjustments, use a non-
conductive driver and make adjustment without
touching any other part other than the Adjustment
V.R. and Knob. Also, be sure not to cause a short-
circuit to the Primary side and the Secondary side. If
short-circuited, it can cause electric shock or mal-
functioning, which is very dangerous.
High tension Voltage
Some of the parts inside the monitor are subject to high-tension voltage in excess of 20,000
volts and very dangerous. Therefore, do not touch the monitor interior. Should soldering &
paper wastes, etc. be mixed in the monitor, turn the power off so as not to cause malfunc-
tioning or fire hazard.
Connecting the CRT and PCB
For combining the CRT and PCB, use the specified part No. to maintain the status of adjust-
ments made at the factory. The anode of the CRT itself will be accumulitavely charged as time
elapses, generating high tension voltage which is very dangerous. The monitor should be used
with the Chassis, CRT and PCB assembled. When repair, etc. is required at the time of malfunc-
tioning, be sure to send it in an “as assembled” condition. If these are disassembled, what’s
charged to said high tension voltage can be discharged, causing a very hazardous situation.
Therefore, under no circumstances should it be disassembled.
Static Electricity
Touching the CRT surface sometimes causes you to slightly feel electricity. This is because the
CRT surfaces are subject to static and will not adversly affect the human body.
Installation and removal
Ensure that the Magnetizer Coil, FBT (Fly-Back Transformer), Anode Lead and Focus Lead are
not positioned close to the sheet metal work’s sharp edges, etc. and avoid damaging the
insulated portions so as not to cause an electric shock and malfunctioning. (For the name of
parts, refer to the above figures.)
12 - 1 CAUTIONS AND WARNINGS CONCERNING THE SAFETY FOR HANDLING THE MONITORS