Onwa KR-1338 Service Manual page 49

Flow chart 6
NG
Antenna dose not
rotate.
OK
Menu setting ?
(Installation menu)
Rotate
MOTOR(+) on
DJ-1 connector.
+12 V(DJ-1 #) several seconds
after TX key is pressed.
Faulty interconnection cable
between display unit and antenna
unit, Faulty motor.
End
Symptom: Antenna dose not rotate.
Stop
Change " Scan stop " setting to "Rotate".
0 V (DJ-1 #1) when TX key is pressed.
Check at J103 #17
on pcb MAIN-0910.
Faulty relay(K1) on
PWR-0913 board.
5 V several seconds after
TX key is pressed.
0 V several seconds after
TX key is pressed.
TX mode: Faulty pcb MAIN-0910
ST-BY mode: Faulty pcb KEY-0912(K1)
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