Sega TARGET BRAVO, Operators & Service Manual

Page: 70 / 100

If a problem occurs, first check to make sure that the wiring connectors are properly connected.
PROBLEM CAUSE COUNTERMEASURES
When the main SW is
turned ON, the machine
is not activated.
The power is not ON. Firmly insert the plug into the outlet.
Incorrect power source/voltage.
Make sure that the power supply/voltage
are correct.
The Fuse on the AC Unit has blown
due to momentary over current. After eliminating the cause of overload,
replace the specified rating fuse.
The fuse of the connect board has
blown due to momentary over
current.
After eliminating the cause of overload,
replace the specified rating fuse.
No sound is generated
from the speakers.
Volume not correctly adjusted. Adjust the sound volume. (see chapter 9)
Game Bd or Amplifier malfunction.
Call service dept mentioned in this
manual.
LCD colour incorrect.
Screen not correctly adjusted Adjust the screen (see chapter 11)
VGA cable malfunction Replace VGA cable
LCD failure
Call service dept mentioned in this
manual.
The controller line of
sight is not acceptible.
Sights are not aligned due to changes
in the surrounding enviroment
Re-align the sight settings (see chapter 9)
Sight LED board malfunction.
Check LED bds positioned around the
screen - check that all LEDs are lit.
(This can be easily achieved if viewing LED through
a digital device i.e camera or camera phone.)
Sensor unit malfunction Replace sensor unit. (see chapter 10)
LED Board / cover contaminated Clean both LED covers and LEDs
The controller unit does
not to appear to operate
correctly.
Microswitch failure.
Check using Input Test (see chapter 9) to
establish operation.
LED board malfunction.
Check LED bds positioned around the
screen - check that all LEDs are lit.
(This can be easily achieved if viewing LED through
a digital device i.e camera or camera phone.)
Sensor Unit malfunction Replace the Sensor Unit (see chapter 10)