Audio - Cassette Head Unit Trouble

Classification:
EL93-016

Section:
Electrical

Reference:
TECHNICAL BULLETIN NTB93-084

Models:
1989-91 All with Clarion Radio/Cassette Combo Units

Date:
May 13, 1993

IMPROPER OPERATION OF CASSETTE, HEAD UNIT: MULTIPLE SYMPTOMS

APPLIED MODELS:
1989-91 Nissans Equipped with Clarion Radio/Cassette Combo Units.

SERVICE INFORMATION:
When using the cassette function on the applied radio/cassette combo units, the following symptoms may be noted:
^ the program may switch direction or may not play
^ there may be a muffled sound quality
^ a sound quality which lacks bass or treble response

NOTE:
In those cases where the cassette section of the radio/cassette combo unit exhibits a lack of bass or treble frequency response, tape cleaners will not resolve the incident.
^ intermittent buzzing noise
^ distorted sound quality
^ tape speed fluctuates (slow or fast). These symptoms are grnerally easy to duplicate.

REPAIR INFORMATION:
In those cases where the referenced symptoms are associated with the Applied Vehicles, remove and replace the radio/cassette combo unit.

WARRANTY (1) INFORMATION:
Operation OpCode PNC CS CT FRT
Rpl. Audio Unit; Return to Manufacturer RN11AA 2790A (2) 91 (3)

NOTES:
(1) Please refer to the appropriate "Nissan Warranty Information" Booklet to determine warranty coverage, if any.
(2) "CS" per customer complaint.
(3) Please reference the "1991 Warranty Flat Rate Manual," Section " RN," for the appropriate flat rate time.