JVC KSAR-7002-J, KSAX-5602-E, KSAX-5602-U Service manual
SERVICE MANUAL
MA34720078SERVICE MANUAL
KS-AR7002J, KS-AX5602E,
POWER AMPLIFIER
KS-AX5602U
COPYRIGHT © 2007 Victor Company of Japan, Limited
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
KS-AX5602KS-AR7002
COPYRIGHT © 2007 Victor Company of Japan, Limited
No.MA347
2007/8
SPECIFICATION
KS-AR7002
Power Output 150 W RMS x 2 channels at 4 Ω and [< or =] 1% THD + N
Signal-to-Noise Ratio 80 dBA (reference: 1 W into 4 Ω)
Maximum Power Output 800 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 kHz* ( +0, -3 dB)
* Subsonic fi lter cuts off extremely low frequency signals less than 20 Hz.
Input Sensitivity/Impedance 2 V/45 kΩ (0.3 V to 6 V, variable)
Distortion Less than 0.04% (at 1 kHz)
Power Requirement DC 14.4 V (11 V to 16 V allowance)
Grounding system Negative ground
Dimensions (W × H × D) 15-3/4 inch × 2-3/8 inch × 11-3/8 inch (400 mm × 60 mm × 288 mm)
Mass (approx.) 11.5 lbs. (5.2 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 at 4 ? and [< or =] 1% THD + N
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 kHz* ( +0, -3 dB)
* Subsonic fi lter cuts off extremely low frequency signals less than 20 Hz.
Input Sensitivity/Impedance 2 V/45 kΩ (0.3 V to 6 V, variable)
Distortion Less than 0.04% (at 1 kHz)
Signal-to-Noise Ratio 80 dBA (reference: 1 W into 4 Ω)
Power Requirement DC 14.4 V (11 V to 16 V allowance)
Grounding system Negative ground
Dimensions (W × H × D) 400 mm × 60 mm × 288 mm
Mass (approx.) 5.2 kg
Design and specifi cations are subject to change without notice.
1-2 (No.MA347)
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.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.
SECTION 3
DISASSEMBLY
3.1 Main body (Using figures are KS-AR7002)
3.1.1 Removing the BOTTOM COVER (See Fig.1)
(1) Remove the twelve screws A attaching the BOTTOM COV-
ER.
A
AA
A
Fig.1
(No.MA347)1-3
3.1.2 Removing the CROSSOVER BOARD assembly (See
Fig.2, 3)
(1) Remove the two screws B attaching the TOP COVER.
(See Fig.2)
(2) Remove the three knobs.
(3) Disconnect the connector wire from CROSSOVER
BOARD assembly connected to connector CON1
MAIN BOARD assembly. (See Fig.3)
(4) Remove the two screws C attaching the CROSSOVER
BOARD assembly. (See Fig.3)
3.1.3 Removing the LED BOARD assembly (See Fig.3)
(1) Disconnect the connector wire from LED BOARD assem-
bly connected to connector CON2
sembly.
(2) Remove the one screw D attaching the LED BOARD as-
sembly.
of the MAIN BOARD as-
of the
BB
Fig.2
DC
CON1 CON2
3.1.4 Removing the ILLUMINATOR LED BOARD assembly (See Fig.4)
(1) Disconnect the connector wire from ILLUMINATOR LED
BOARD assembly connected to connector CON3
MAIN BOARD assembly.
(2) Remove the two screws E attaching the ILLUMINATOR
LED BOARD assembly.
of the
Fig.3
E
CON3
Fig.4
1-4 (No.MA347)
3.1.5 Removing the MAIN BOARD assembly (See Fig.5, 6)
(1) Remove the five screws F and one screw G attaching the
BACK PANEL. (See Fig.5)
(2) Remove the nine screws H attaching the TRANSISTOR
BRACKET. (See Fig.6)
(3) Remove the two screws J attaching the THERMISTOR.
(See Fig.6)
(4) Remove the nine screws K and one screw L attaching the
MAIN BOARD assembly. (See Fig.6)
GF
KKK
J
F
Fig.5
HH
K
H
H
K
L
Fig.6
SECTION 4
ADJUSTMENT
This service manual does not describe ADJUSTMENT.
K
H
J
K
SECTION 5
TROUBLESHOOTING
This service manual does not describe TROUBLESHOOTING.
(No.MA347)1-5
Victor company of Japan, Limited
Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.MA347)
Printed in Japan
VPT
PARTS LIST
KS-AR7002J,KS-AX5602E,KS-AX5602U
* All printed circuit boards and its assemblies are not available as service parts.
MA347
- Contents -
Exploded view of general assembly and parts list (Block No.M1)
Electrical parts list (Block No.01~03)
Packing materials and accessories parts list (Block No.M3)
3-2
3-4
3-8
3-1
Exploded view of general assembly and parts list
16
34
16
16
Block No.
M
M
1
M
21
16
a
27
15
27
H
27
16
17
27
F
B
c
D
25
27
25
30
27
g
PWM-C board
A
Main board
17
3
22
b
22
22
8
E
Sub board
21
22
19
23
19
33
D
16
H
LED board
19
23
12
B
16
Illuminator board
9
d
G
24
17
24
24
31
18
26
e
f
22
g
18
F
2
20
d
24
20
24
29
31
c
4
a
31
1
22
17
G
28
3-2
10
29
E
b
28
A
e
f
17
6
7
21
17
32
The parts without symbol number are not service.
17
16
17
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