Sega TARGET BRAVO Operators & Service Manual page 70

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