Audio - Problem Diagnosis Chart

REFERENCE ELECTRICAL NUMBER 020 DATE 07-18-86 MODEL ST. MA7

The following information is provided to help diagnose radio related problems:


NO SOUND NO POWER
SYMPTOM (no sound from one (Display problem)
or more speakers)


APPLIED 1986 Celica, and 1986 Celica, and
VEHICLES 1986 1/2 Supra 1986 1/2 Supra


APPLIED ETR Combo ETR Combo
RADIO w/Acoustic Flavor w/Acoustic Flavor
MODELS


4-DIGIT 1625, 1630, 1628 1625, 1630, 1628
MODEL NUMBER


^ Check that both ^ Reset the radio
BAL and FADER by removing the
knobs are set at battery cable, then
CHECK center re-connecting after
^ Since BAL and 30 seconds.
FADER knobs have
double-function
feature, the customer
may not know how to
correctly operate.