Troubleshooting Guide; Specifications - Kenwood KAC-526X Instruction Manual

Troubleshooting Guide

What might appear to be a malfunction in your unit may just be the result
of slight misoperation or miswiring. Before calling service, first check the
following table for possible problems.
PROBLEM
No sound.
(No sound from one side.)
The output level is too
small (or too large).
The sound quality is bad.
(The sound is distorted.)

Specifications

Specifications subject to change without notice.
Audio Section
Max Power Output (4 Ω)
Normal ..........................................................................200 W
Bridge............................................................................600 W
Rated Power Output (4 Ω)
Normal (DIN45324, +B=14.4 V) ..................................100 W
Bridge (1 kHz, 0.8 % THD) ..........................................300 W
Rated Power Output (2 Ω)
Normal (1 kHz, 0.8 % THD) ..........................................150 W
Frequency Response (+0, –1 dB) ..............................5 Hz ~ 50 kHz
Signal to Noise Ratio..............................................................100 dB
Sensitivity (MAX) (rated output) ................................................0.2 V
Sensitivity (MIN) (rated output) ................................................5.0 V
Input Impedance ......................................................................10 kΩ
Low Pass Filter (12 dB/oct.) ....................................................80 Hz
General
Operating Voltage (11 ~ 16 V allowable) ................................14.4 V
Current Consumption (1 kHz, 10% THD) ..................................28 A
Dimensions (W H
Weight ....................................................................................3.0 kg
POSSIBLE CAUSE
• Input (or output) cables are
disconnected.
• Protection circuit may be
activated.
• The fuse may be blown
because the volume was too
high.
The input sensitivity adjusting
control is not set to the correct
position.
• The speakers cable are
connected with wrong + / -
polarity.
• A speaker cable is pinched by a
screw in the car body.
• The switches may be set
improperly.
D)....................................220
• Connect the input (or output)
cables.
• Check connections by referring
to "Protection function".
• Replace the fuse with a new
fuse and use a lower volume.
Adjust the control correctly
referring to "Controls".
• Connect them properly checking
the + / - of the terminals and
cables well.
• Connect the speaker cable again
so that it is not pinched by
anything.
• Set switches properly by
referring to "System examples".
KAC-726 KAC-526X
2 70 W
1 200 W
2 35 W
1 100 W
2 50 W
5 Hz ~ 50 kHz
100 dB
0.2 V
5.0 V
10 kΩ
80 Hz
KAC-726 KAC-526X
14.4 V
16 A
52 300 mm 220
1.6 kg
SOLUTION
2
1
2
1
2
52 160 mm
9