Problem Symptoms Table

HINT:

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

RADIO RECEIVER

PROBLEM SYMPTOMS CHART

Symptom	Suspected area	See
Pressing power switch does not start system.	1. Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
Pressing power switch does not start system.	2. Radio receiver	RADIO RECEIVER
Radio receiver cannot be dimmed in night time.	1. Illumination circuit	ILLUMINATION CIRCUIT
Radio receiver cannot be dimmed in night time.	2. Radio receiver	RADIO RECEIVER
No sound can be heard. (Separate type amplifier)	1. Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	2. Stereo component amplifier power source circuit	STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT
	3. Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier	SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER
	4. Speaker circuit	SPEAKER CIRCUIT
	5. AVC-LAN circuit	AVC-LAN CIRCUIT
	6. Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier	MUTE SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER
	7. Stereo component amplifier	STEREO COMPONENT AMPLIFIER
	8. Radio receiver	RADIO RECEIVER
No sound can be heard. (Built-in type amplifier)	1. Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	2. Speaker circuit	SPEAKER CIRCUIT
	3. Radio receiver	RADIO RECEIVER
Sound quality is bad in all modes (volume is too low). (Separate type amplifier)	1. Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	2. Stereo component amplifier power source circuit	STEREO COMPONENT AMPLIFIER POWER SOURCE CIRCUIT
	3. Speaker circuit	SPEAKER CIRCUIT
	4. Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier	SOUND SIGNAL CIRCUIT BETWEEN RADIO RECEIVER AND STEREO COMPONENT AMPLIFIER
	5. Sound quality is bad in all modes	SOUND QUALITY IS BAD IN ALL MODES
Sound quality is bad in all modes (volume is too low). (Built-in type amplifier)	1. Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	2. Speaker circuit	SPEAKER CIRCUIT
	3. Sound quality is bad in all modes	SOUND QUALITY IS BAD IN ALL MODES
Noise occurs. (Separate type amplifier)	1. Noise occurs	NOISE OCCURS
	2. Stereo component amplifier	STEREO COMPONENT AMPLIFIER
	3. Radio receiver	RADIO RECEIVER
Noise occurs. (Built-in type amplifier)	1. Noise occurs	NOISE OCCURS
Noise occurs. (Built-in type amplifier)	2. Radio receiver	RADIO RECEIVER
Radio broadcast cannot be received (bad reception).	Radio Broadcast cannot be Received or Poor Reception	RADIO BROADCAST CANNOT BE RECEIVED OR POOR RECEPTION
CD cannot be inserted / played or CD is ejected right after insertion.	1. Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
	2. CD cannot be inserted / played or CD is ejected right after insertion	CD CANNOT BE INSERTED / PLAYED OR CD IS EJECTED RIGHT AFTER INSERTION
CD cannot be ejected.	1. Radio receiver power source circuit	RADIO RECEIVER POWER SOURCE CIRCUIT
CD cannot be ejected.	2. CD cannot be ejected	CD CANNOT BE EJECTED
Sound quality is bad only when playing CD (volume is too low).	Sound Quality is Bad Only when CD is Played (Volume is Too Low)	SOUND QUALITY IS BAD ONLY WHEN CD IS PLAYED (VOLUME IS TOO LOW)
CD sound skips.	CD sound Skips	CD SOUND SKIPS