CONFIRMATION STEP 2: ANTENNA SYSTEM SYMPTOM (EXAMPLE) [AUDIO]

id0903e1804100

Possible cause

AM reception condition

FM reception condition

•  Antenna feeder axis, open circuit

•  Antenna feeder plug not attached

NG: No reception

YES: Reception possible.

(Sensitivity decreases, but reception is possible under strong electric field.)

•  Antenna feeder axis (+) to ground (-), open circuit

NG: No reception

NG: No reception

•  Antenna feeder and antenna, poor ground

YES: Reception possible

(Noise may occur)

YES: Reception possible

(Sensitivity decreases, but reception is possible under strong electric field.)

•  Antenna feeder, jack and plug poor connection

NG: No reception

(Depending on connection conditions)

YES: Reception possible

(Depending on connection conditions)

Possible cause	AM reception condition	FM reception condition
• Antenna feeder axis, open circuit • Antenna feeder plug not attached	NG: No reception	YES: Reception possible. (Sensitivity decreases, but reception is possible under strong electric field.)
• Antenna feeder axis (+) to ground (-), open circuit	NG: No reception	NG: No reception
• Antenna feeder and antenna, poor ground	YES: Reception possible (Noise may occur)	YES: Reception possible (Sensitivity decreases, but reception is possible under strong electric field.)
• Antenna feeder, jack and plug poor connection	NG: No reception (Depending on connection conditions)	YES: Reception possible (Depending on connection conditions)