Troubleshooting

DESCRIPTION SYMBOLS

Inspection

Check or replace part Test by operating radio

1. DEAD RADIO AND TAPE PLAYER

(a) No power to radio or tape player, or power but no sound.

Possible causes:

• Blown RADIO fuse

• Short circuit or broken wire in power source wire harness

• Loose connectors behind radio and tape player

• Loose speaker connector

• Defective speaker

• Broken wire in speaker wire harness

• Improperly installed radio or tape player

• Defective radio or tape player test 1

Check RADIO fuse. \-

Blown

Inspect and repair wire harness for radio and tape player.

Docs not blow

Proceed to Test 2.

Docs not blow

Blows again

Check for short circuit in

No short /

power source wire harness.

Short

Replace radio and tape player.

Inspect and repair wire harness for radio and tape player.

Replace radio and tape player.

j test 2

Connect properly j

Inspect and repair power wire harness to radio and player ire^

Proceed to Test 3.

Yes

Are all connectors behind radio and

Yes

Is there power to radio and

Yes

Are radio and player

tape player properly connected?

player connectors?

properly connected?

| No

No

Inspect and repair power wire harness to radio and player ire^

Properly re install

Properly re install

test 3

Arc speaker connectors connected?

Connect properly

Temporarily install another

speaker.

No

Is there continuity in speaker

wire harness?

No

Inspect and repair speaker wire ]

.harness.

Replace Speaker

Replace radio and tape player.

Player

Proceed to Test 1 of following item.

(b) Tape player okay but no sound from AM and FM or either one.

Possible causes:

• Antenna disconnected

• Antenna plug not properly connected

• Defective antenna

• Defective antenna booster

• Defective antenna cable

• Defective radio or tape player

• Short circuit or broken wire in wire harness for back up power source test 1

TEST 2

NOTE: Back up power refers to the storage voltage for preset tuning. This is applied even when the ignition switch is OFF.

TEST 3

TEST 4

TEST 5

Temporarily install another antenna. Okay?

Replace radio. )

QK / Inspect antenna, antenna cable and

V booster, and replace as necessary.

(c) No sound from one speaker. Possible causes:

• Loose speaker connector

• Broken wire in speaker wire harness

• Defective speaker

• Defective radio and tape player

TEST 1

TEST 2

2. FAINT RECEPTION

Possible causes:

• Incorrectly adjusted antenna trimmer

• Defective antenna, cable or booster

• Defective speaker

• Defective radio

TEST

(Ex. Electronic search type)

NOTE: Adjustment of antenna trimmer.

(1) Fully lengthen the antenna.

(2) With the volume and tone at maximum, turn the dial to around 1,400 kHz where there is no reception.

(3) Adjust the trimmer to where static is loudest.

3. bad sound quality

(a) Sound quality bad when radio played. Possible causes:

• Multipath interference of excessive interception

• Tuner dial not synchronized with station

• Defective antenna, cable or booster

• Speaker improperly installed

• Vibration sound from components near speaker

• Defective speaker

• Defective radio

TEST 1

TEST 2

NOTE: FM distortion tends to increase sharply if the tuner is not synchronized.

(b) Sound quality bad when tape player played. Possible causes:

• Incorrectly installed speaker

• Vibration noise from around speaker

• Defective speaker

• Defective tape player

TEST 1

TEST 2

Is speaker correctly installed

Yes

Does vibration sourvd mmP frnm Arrvtinrl

No

Temporarily install annthpr trw>akpr

Yes /

(loose or too tight)?

speaker?

Okay?

No

Yes

No

Install correctly. If speaker frame bent, replace.

Replace tape player c

Install correctly. If speaker frame bent, replace.

Replace .speaker..

Replace tape player

NOTE: Head cleaning procedure.

(1) Raise the cassette door with four finger. Next, using a pencil or like object, push in the guide.

(2) Using a cleaning pen or cotton applicator soaked in alcohol, clean the head surface, pinch rollers and capstans.

(3) Push in the eject button.

4. DEFECTIVE AUTO-SEARCH MECHANISM

Manual search possible but automatic search mechanism does not function or does not stop at all receivable stations.

Possible causes:

• Poor search sensitivity (SENS button)

• Defective radio

TEST

Does needle move when search button is pushed?

Yes

Is desired broadcast receivable when button is at "DISTANT" position?

Yes

No

Check if desired broadcast can actually be received in the area. If receivable, replace radio.

Check if desired broadcast can actually be received in the area. If receivable, replace radio.

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