JVC KS-AX3300 Manuel utilisateur
SERVICE MANUAL
COPYRIGHT © 2005 Victor Company of Japan, Limited No.MA171
2005/3
POWER AMPLIFIER
MA17120053
KS-AX3300
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
Area suffix
J ------------- Northern America
E ------------- Southern Europe
U -------------------- Other Areas
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
1-2 (No.MA171)
SPECIFICATION
Design and specifi cations are subject to change without notice.
Power Output 65 W RMS ×2 channels at 4 Ωand [< 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 Ωto 8 Ωallowance)
4 Ω(4 Ωto 8 Ωallowance) (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.)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
(No.MA171)1-3
SECTION 1
PRECAUTION
1.1 Safety Precautions
!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.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
1-4 (No.MA171)
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
(No.MA171)1-5
SECTION 3
DISASSEMBLY
3.1 Main board
3.1.1 Removing the main board (See Fig.1 ~ 4)
(1) From the bottom of the amplifier, remove the five screws A
attaching the cover.
(2) From the main body of the amplifier, remove the nine
screws Battaching the main board.
(3) Remove the two screws Con top of the rear cover.
(4) Remove the screw Dand the two screws Eon the front side
of the rear cover.
Fig.1
Fig.2
Fig.3
Fig.4
A
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B
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C
ED
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
(No.MA171)
AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
Victor Company of Japan, Limited
VPT
Printed in Japan
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
SCHEMATIC DIAGRAMS
POWER AMPLIFIER
No.MA171SCH
2005/3
KS-AX3300
COPYRIGHT 2005 Victor Company of Japan, Limited.
Area suffix
J ---------- Northern America
E ---------- Southern Europe
U ----------------- Other Areas
Contents
2-1
2-3
2-5
Block diagram
Standard schematic diagram
Printed circuit board
CD-ROM No.SML200503
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
!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.
Safety precaution
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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