![background image](http://html2.mh-extra.com/html/namco/tekken-4/tekken-4_operation-manual_3168016056.webp)
INSPECTION, CLEANING AND TROUBLE-SHOOTING
be conducted by a technician only
8-2 Troubleshooting
l
Before checking the product for proper installation and connection,
off the power
switch on the cabinet and unplug the power cord from the service outlet to prevent
an electrical shock.
Should any problem occur, such as an abnormal odor or noise, turn off the power
switch on the cabinet immediately and stop the machine operation. Then, unplug the
power cord of the cabinet from the service outlet, and contact your distributor.
Operating the machine with a problem left uncorrected may cause an electrical shock
or fire.
Do not replace the built-in battery. Replacing the built-in battery can cause
damage or malfunctions.
l
Never attempt to disassemble the PC board.
If the product
does not operate properly or a trouble occurs, conduct the following
troubleshooting procedures,
Turn, off the power switch on the cabinet, and unplug the power cord from the
outlet.
Remove foreign items and dusts from the PC board.
Remove static electricity from a worker’s body before touching the PC
board. Static electricity can cause a malfunction or damage.
Use anti-static cleaning equipment
the
PC
board. Static electricity
can damage the
on the
PC
board and render the PC board useless.
Check to make sure the product is installed and connected properly to the cabinet.
(Refer to the operation manual of the cabinet and
Installation and Connec-
tion”
9
27) in this manual.)
l
Do not conduct a conductivity test using a tester. The internal voltage in
the tester can damage the
on the PC board and render the PC board
useless.
Plug the power cord plug into the service outlet, and turn on the power switch on
the cabinet.
Check all the adjustments and settings.
(Refer to “6. Adjustment for Operation” 28 P.