Infinity Kappa 102a Service Manual page 10

Kappa 102a
T R O U B L E S H O O T I N G
Use the following guide to identify symptoms and solve
problems. Make sure the vehicle's electrical system is
working properly and power is reaching the Kappa 102a
(i.e., green LEDs on the top panel are on).
SYMPTOM LIKELY CAUSE
No audio Low /No Remote
Turn-On Voltage
Speakers are not
connected or are
blown
Distorted audio Input sensitivity
and/or bass control
is not set properly
Audio lacks Speakers are wired
"punch" with wrong polarity
SYMPTOM
Audio cycles
off and on;
Amber protec-
tion LEDs (on
SOLUTION
top panel) are on
Check connections;
test turn-on voltage
Check wiring; use
VOM/DVM to
measure speaker
coil impedance Audio cycles
off and on;
Amber protection
See Setting Input
LEDs (on top
Sensitivity and
panel) are on
Setting DBO
on previous page
Fuse blows
Check polarity of
connections; refer to
Applications (page 3 )
9
LIKELY CAUSE SOLUTION
A protection circuit Verify the following–
is turning the electrical system is
amplifier off and on between 10 ~ 15.5 Vdc;
temperature is not
over 194°F (90°C);
no short circuits;
speaker loads are not
less than 1 ohm
(2 ohms in mono)
GAIN is set too high Set Input Sensitivity
correctly (see previous
page)
Incorrect wiring or Check connections;
short circuit refer to Applications
(see page 3)