KENWOOD M-A100 Service Manual

Cover page of KENWOOD M-A100 Service Manual

Service Manual for KENWOOD M-A100, downloadable as a PDF file.

We also have owner's manual to this model.

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  • The manual has 16 pages
  • File size: 3.71 MB
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STEREO POWER AMPLIFIER
M-A100/A300
SERVICE MANUAL
© 1997-6/B51-5321-00 (K/K) 3668
POWER AMPLIFIER
POWER
-ON ­OFF
SPEAKERS
(6-16
)
SPEAKERS
(6-16
)
+
-
CONNECT WITH AV
CONTROL CENTER
FRONT
CENTER
R
R
+
-
C
LL
UNSWITCHED
SW
FRONT SURROUND WOOFER
SUB
SURROUND
Knob
(K27-2211-04)
Escutcheon *
(B07-)
Indicator
(B12-0308-04)
Panel *
(A60-)
Foot x2 *
(J02-)
Dressing panel *
(A21-)
Lock terminal board
(E70-0046-05)
Look terminal board
(E70-0046-05)
AC power cord *
(E30-)
Rectangular receptacle
(E58-0018-05)
Metallic cabinet
(A01-3429-01)
AC outlet *
(E03-)
Power cord bushing
(J42-0083-05)
How to power on unit only.
Connect a lead wire between P3 (GRY) and fuse holder (CN3 of F2) or (CN10 of F3), then push power sw.
Illustration is M-A300.
* Refer to parts list on page 16.
1p~3p/19p~22p 97.6.24:11PM y[W 1
background image
STEREO POWER AMPLIFIER
M-A100/A300
SERVICE MANUAL
© 1997-6/B51-5321-00 (K/K) 3668
POWER AMPLIFIER
POWER
-ON ­OFF
SPEAKERS
(6-16
)
SPEAKERS
(6-16
)
+
-
CONNECT WITH AV
CONTROL CENTER
FRONT
CENTER
R
R
+
-
C
LL
UNSWITCHED
SW
FRONT SURROUND WOOFER
SUB
SURROUND
Knob
(K27-2211-04)
Escutcheon *
(B07-)
Indicator
(B12-0308-04)
Panel *
(A60-)
Foot x2 *
(J02-)
Dressing panel *
(A21-)
Lock terminal board
(E70-0046-05)
Look terminal board
(E70-0046-05)
AC power cord *
(E30-)
Rectangular receptacle
(E58-0018-05)
Metallic cabinet
(A01-3429-01)
AC outlet *
(E03-)
Power cord bushing
(J42-0083-05)
How to power on unit only.
Connect a lead wire between P3 (GRY) and fuse holder (CN3 of F2) or (CN10 of F3), then push power sw.
Illustration is M-A300.
* Refer to parts list on page 16.
1p~3p/19p~22p 97.6.24:11PM y[W 1
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M-A100/A300
2
CONTENTS / ACCESSORIES
Contents
CONTENTS / ACCESSORIES ....................................2
DISASSEMBLY FOR REPAIR .....................................3
ADJUSTMENT .............................................................4
PC BOARD ..................................................................5
SCHEMATIC DIAGRAM ..............................................9
EXPLODED VIEW .....................................................15
PARTS LIST...............................................................16
SPECIFICATIONS .....................................................21
Accessories
Parallel cord ..................(1)
(E30-2857-05)
AC plug adaptor ............(1)
(E03-0115-05)
Use to adapt the plug on the power card
to the shape of the wall outlet.
(Accessory only for regions where use is
necessary.)
1p~3p/19p~22p 97.6.24:11PM y[W 2
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M-A100/A300
3
DISASSEMBLY FOR REPAIR
.....
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
x3
x2
x2
x2
x2
x2
1
1
1
1
1
1
2
2
1. Remove the 17 screws (
1), then remove main PCB.
2. Stand the set with right side downward, then connect the
GND of the PCB (X07) (A/4) and the rear panel and the
chassis with 2 alligator clips
2.
1p~3p/19p~22p 97.6.24:11PM y[W 3
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M-A100/A300
4
ADJUSTMENT
No.
ITEM
INPUT
SETTINGS
OUTPUT
SETTING
TUNER
SETTINGS
ALIGNMENT
POINTS
ALIGN FOR
FIG.
q
1 r
IDLE CURRENT
|
Connect a DC
voltmeter across
CN11(L)
CN12(R)
CN15(CENTER)
CN16(SURROUND)
(X07-)
Volume : 0
VR1(L)
VR2(R)
VR5(CENTER)
VR6
(SURROUND)
(X07-)
(L, R)
17.6mV
(CENTER, SUR-
ROUND)
13.2mV
q
1 r
|
Connect a DC
voltmeter across
CN11(L)
CN12(R)
CN13(CENTER)
CN14(SW)
CN15(SL)
CN16(SR)
(X07-)
Volume : 0
VR1(L)
VR2(R)
VR3(CENTER)
VR4(SW)
VR5(SL)
VR6(SR)
(X07-)
(L, R)
17.6mV
(CENTER, SW, SL,
SR) 13.2mV
IDLE CURRENT
AUDIO SECTION (M-A300)
AUDIO SECTION (M-A100)
Turn on the unit for 5minutes before adjustment.
1p~3p/19p~22p 97.6.24:11PM y[W 4
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ACE
G
I
BD
F
H
J
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD(Component side view)
5
6
1p~3p/19p~22p 97.6.24:20PM y[W 5

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