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Player Control Troubleshooting Table, continued
SYMPTOM
Sloppy, unpredictable or
ineffective
steering
Video appears on screen
VGM starts normally
No wheel feedback
Steering aims vehicle as
expected
WARNING:
may be very hot. The DC Motor in the steering wheel may also be hot.
CAUSE
Blocked or faulty fan
Faulty mechanical
parts
Faulty Wheel Driver
Board
Loose or worn drive
belt
Improperly set
feedback
Faulty circuit
Faulty motor
The Wheel Driver Board heatsink, power resistors, and other components
7-9
REQUIRED ACTION
Case cooling fans are intake fans. Power supply
fan is exhaust fan. Assure that nothing blocks
airflow.
Turn off VGM power. Open dashboard. Support
steering wheel and remove outer mounting
screws. Remove metal shield (if your VGM has
one) over motor. Inspect for faulty or worn belts,
1.
Inspect Wheel Driver Board under low-light
conditions. LEDs glow if motor driver circuits
receive AC power from transformer. (Voltages or
signals may or may not be normal.)
2. Examine fuses and cables on Wheel Driver
Board. Replace bad fuses. Using digital
voltmeter, verify AC voltage between each fuse
holder and ground. You should measure
approximately 25V. See Wiring Diagram.
3. Using 20 VAC setting on digital voltmeter,
measure DC voltage at motor. Don't move
steering wheel, drive belt, or motor while making
t h i s m e a s u r e m e n t . Any reading in&ates
unstable supply that may contain ripple or noise.
4.
Verify proper operation of Wheel Driver Board by
placing it in working VGM.
1.
Turn off VGM power. Open dashboard. Support
steering wheel and remove outer mounting
screws. Remove metal shield (if your VGM has
one) over motor. Inspect for faulty or worn belts,
bearings,
couplings,
2. If drive belt isn't worn or damaged, check its
tightness.
From Self-Test Menu, select GAME OPTIONS.
1.
2. Set feedback to match player requirements.
Maximum force may be too extreme for very
young or inexperienced customers.
1.
Examine fuses and cables on Wheel Driver
Board.
2. Check cables and wiring between computer,
interface,
driver
and
3. Replace bad parts.
1.
Turn off VGM power. Open dashboard. Support
steering wheel and remove outer mounting
screws.
2.
Remove metal shield (if your VGM has one) over
motor.
3. Unscrew caps.
4.
Inspect
motor
brushes.
gears,
etc.
motor.
Replace
worn
parts.
9
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