5.2 Troubleshooting Flow Charts
Start
Press Turn power on.
Nothing appears
on display
Abnormal display
Yes
Yes
No heading data.
Yes
No nav data.
Yes
Key(s) inoperative.
Yes
Antenna dose not
rotate.
Yes
Yes
Flow chart 1
No
No
No
No
No
No
No echoes nor
white noise.
Poor sensitivity.
No GAIN,STC,
FTC effect.
End
Yes
Yes
Yes
No
No
No
39
Flow chart 2
Flow chart 3
Flow chart 4
Flow chart 5
Flow chart 6
Flow chart 7
Flow chart 8
Flow chart 9
Summary of Contents for KR-1338
Page 1: ...KR 1338 1668 KR 1338 1668 SERVICE MANUAL 10 4 TFT COLOR MARINE RADAR...
Page 2: ......
Page 13: ...BLOCK DIAGRAM OF POWER SUPPLY 9...
Page 14: ...BLOCK DIAGRAM OF PROCESSOR PCB MAIN 0910 10...
Page 19: ...BLOCK DIAGRAM OF IF 0711 15...
Page 21: ...BLOCK DIAGRAM OF MODULATOR PCB MOD 0904 17...
Page 25: ...Inside of Display Unit LCD Inside of Display Unit Processor PCB 21...
Page 26: ...Inside of Display Unit Power PCB 22...
Page 56: ...Display Unit Exploded view 52...
Page 58: ...Scanner Unit Exploded View 54...
Page 60: ...56...
Page 61: ...57...
Page 62: ...58 Schematic circuit diagram...
Page 63: ...59...
Page 64: ...60...
Page 65: ...61...
Page 66: ...62...
Page 67: ...63...
Page 68: ...64...
Page 69: ...65...
Page 70: ...66...
Page 71: ......
