SERVICE MANUAL
POWER AMPLIFIER
MA17120053
KS-AX3300
Area suffix
J ------------- Northern America
E ------------- Southern Europe
U -------------------- Other Areas
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.MA171
2005/3
SPECIFICATION
Power Output 65 W RMS × 2 channels at 4 Ω and [< or =] 1% THD + N
Signal-to-Noise Ratio 86 dBA (reference: 1 W into 4 Ω)
Maximum Power Output 320 W
Load Impedance 4 Ω (2 Ω to 8 Ω allowance)
4 Ω (4 Ω to 8 Ω allowance) (Bridge mode)
Frequency Response 5 Hz to 50,000 Hz ( +0, -3 dB)
Input Sensitivity/Impedance 1 V/20 kΩ (0.3 V to 6 V, variable)
Distortion Less than 0.005% (at 1 kHz)
Power Requirement DC 14.4 V (11 V to 16 V allowance)
Grounding system Negative ground
Dimensions (W/H/D) 259 mm × 54 mm × 172 mm (10-1/4 in. × 2-3/16 in. × 6-13/16 in.)
Mass (approx.) 1.6 kg (3.6 lbs.)
Design and specifi cations are subject to change without notice.
1-2 (No.MA171)
1.1 Safety Precautions
SECTION 1
PRECAUTION
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
(No.MA171)1-3