Fehlersuch-Diagramme / Troubleshooting Diagrams
GPS 3
3 - 5
GRUNDIG Service
Trouble Shooting Diagrams
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9
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Trouble Shooting (General Overview)
Possibly defective
Phenomenon of defect
see
Detail Main Unit
GPS
Antenna
Wiring
Display
GPS
Receiver
GYRO
CD-Player
Disc
Black screen
White screen
Line defect, point defect
Positioning gap, receiving GPS signal
Positioning gap, not receiving GPS signal
Memory reset by ACC OFF
Cannot move beyond caution display
Only navi voice isn't output
Remote control doesn't work
Screen
abnormal
Navigation
function
Audio
Others
Reproducable?
N
Y
Unknown
Exchange
Main Unit
Display still
black?
OK
Exchange
Display
N
Y
Reproducable?
N
Y
Unknown
Exchange
Main Unit
Display still
white?
OK
Exchange
Wiring
N
Y
Display still
white?
OK
N
Y
Exchange
Display
1. Black Screen
2. White Screen
