![background image](http://html2.mh-extra.com/html/namco/tekken-4/tekken-4_operation-manual_3168016055.webp)
8. INSPECTION, CLEANING AND TROUBLE-
SHOOTING
To be conducted bv a technician
8-1 Inspection and cleaning
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Before cleaning, or troubleshooting, unplug the power cord from the service outlet
to prevent an electrical shock.
To prevent an electrical shock, do not perform any work with wet hands.
Every month
6 months
To ensure proper operation of the Tekken 4 game, conduct inspection and cleaning
periodically according to the following table.
Routine inspection
Check to make sure the
PC
board is
installed and
connected securely.
Loose installation and connections
can result due to vibrations generated
during game play, and can cause
trouble or malfunctions.
Check to make sure the cabinet,
harnesses and cables do not contact
the PC board. Operating the product
while it is in contact with other pans
can cause trouble or malfunctions.
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Test the display, switches and sound
output.
Clean the PC board. Foreign items
and dust on the PC board can cause
trouble or malfunctions.
Page
“5. Installation and
Connection” 9)
“5. Installation and
Connection” 9)
DISPLAY
TEST” 32)
“6-3 INPUT TEST’
(P. 39)
“6-4
SOUND TEST”
40)
Caution
To be conducted by
a
technician only
To be conducted by
a technician only
To be conducted by
a technician only
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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 to clean the PC board. Static electricity
can damage the
on the PC board and render the PC board useless.
Do not use any liquid such as water or detergent to clean the product.
Liquids can cause damage and malfunctions
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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.
Do not replace the built-in battery. Replacing the built-in battery can cause
damage or malfunctions.