Jvc KSAR 7002 J Service Manual

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Extracted text from Jvc KSAR 7002 J Service Manual (Ocr-read)

Page 1

JVB
SERVICE MANUAL

POWER AMPLIFIER

KS-AR7002J, KS-AX5602E,
KS-AX5602U

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$8 a
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KS-AR7002 KS-AX5602

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Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)

TABLE OF CONTENTS

1 PRECAUTION ......................................................................... 1-3
2 SPECIFIC SERVICE INSTRUCTIONS ...................................................... 1-3
3 DISASSEMBLY ....................................................................... 1-3
4 ADJUSTMENT ........................................................................ 1-5
5 TROUBLESHOOTING .................................................................. 1-5
COPYRIGHT © 2007 Victor Company of Japan, Limited N0_MA347

2007/8

Page 2

KS-AR7002

SPECIFICATION

Power Output

150 W RMS x 2 channels at4 Q and [< or =]1% THD + N

Signal-to-Noise Ratio

80 dBA (reference: 1 W into 4 Q)

Maximum Power Output

800 W

Load Impedance

4 Q (2 Q to 8 £2 allowance)

4 Q (4 Q to 8 £2 allowance) (Bridge Mode)

Frequency Response

5 Hz to 50 kHz* ( +0, -3 dB)
* Subsonic ﬁ lter cuts off extremely low frequency signals less than 20 Hz

Input Sensitivity/Impedance

2 V/45 k9 (0.3 V to 6 V, variable)

Distortion

Less than 0.04% (at 1 kHz)

Power Requirement

DC 1414 V (11 V to 16 V allowance)

Grounding system

Negative ground

Dimensions (W x H X D)

15-3/4 inch X 2-3/8 inch >< 11-3/8 inch (400 mm x 60 mm x 288 mm)

Mass (approx.)

11.5 lbs (512 kg)

Design and specifi cations are subject to change without notice.

KS-AX5602

Maximum Power Output

800 W

RMS Power Output

150 W RMS x 2 channels at4 7 and [< or =]1% THD + N