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Radio Receiver ASSY

HINT:

Inspect the "Fuse" and "Relay" before confirming the suspected area as shown in the table below.

PROBLEM SYMPTOMS TABLE - RADIO RECEIVER ASSY

Symptom Suspected Area
Pressing power switch does not start system.
  1. Power source circuit (radio receiver assy)
  2. Radio receiver assy
Radio receiver cannot be dimmed in night time.
  1. Illumination circuit
  2. Radio receiver assy
No sound can be heard. (Separate type amplifier)
  1. Power source circuit (radio receiver assy)
  2. Power source circuit (stereo component amplifier assy)
  3. AMP sound signal circuit
  4. Speaker circuit
  5. AVC-LAN circuit
  6. AMP mute signal circuit
  7. Stereo component amplifier assy
  8. Radio receiver assy
No sound can be heard. (Built-in type amplifier)
  1. Power source circuit (radio receiver assy)
  2. Speaker circuit
  3. Radio receiver assy
Sound quality is bad in all modes (volume is too low). (Separate type amplifier)
  1. Power source circuit (radio receiver assy)
  2. Power source circuit (stereo component amplifier assy)
  3. Speaker circuit
  4. AMP sound signal circuit
  5. Sound quality is bad in all modes (volume is too low)
Sound quality is bad in all modes (volume is too low). (Built-in type amplifier)
  1. Power source circuit (radio receiver assy)
  2. Speaker circuit
  3. Sound quality is bad in all modes (volume is too low)
Noise occurs. -
Radio broadcast cannot be received (bad reception). -
CD cannot be inserted or is ejected right after insertion.
  1. Power source circuit (radio receiver assy)
  2. CD cannot be inserted or is ejected right after insertion
CD cannot be ejected.
  1. Power source circuit (radio receiver assy)
  2. CD cannot be ejected
Sound quality is bad only when playing CD (volume is too low). -
CD sound skips. -
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