Read JBL MS-A1004 Service Manual online
MS-A1004
4 CHANNEL
Digital Signal Processing Amplifier
SERVICE MANUAL
JBL Consumer Products
8500 Balboa Blvd.
Rev1 5/2011
Released 2011
Discontinued XXXX
- CONTENTS -
SPECIFICATIONS ………………………………………..1
PACKING……………………………………………..…....2
PACKING……………………………………………..…....2
CONTROL/INSTALLATION DRAWINGS………………3
CONTROL/INSTALLATION INSTRUCTIONS………....4
NOTE ON SETTINGS AND TESTING…..………………5
CONNECTIONS …..………………………………………6
NOTE ON SETTINGS AND TESTING…..………………5
CONNECTIONS …..………………………………………6
DISPLAY………………………..………………………….9
EXPLODED VIEW/PARTS LIST…….….….……..……10
AMPLIFIER BLOCK DIAGRAMS………………….……11
P.C.B. DRAWINGS….………………………...…….……13
ELECTRICAL PARTS LIST ..……….……….…….……19
P.C.B. DRAWINGS….………………………...…….……13
ELECTRICAL PARTS LIST ..……….……….…….……19
IC/TRANSISTOR PINOUTS..…………………….….…..25
SCHEMATICS……………..……………….………..…...64
MS-A1004 Specifications
Output Power:
100W RMS x 4 channels @ 4 ohms; 1% THD + N
(14.4V supply)
100W RMS x 4 channels @ 2 ohms; 1% THD + N
200W RMS x 2 channel (bridged) @ 4 ohms; 1% THD + N
Signal-to-noise ratio:
80dBA (reference 1W into 4 ohms)
90dBA (reference rated power into 4 ohms)
Frequency response:
10Hz-27kHz (-3dB)
THD+N 1KHz LPF=22KHz
<0.5% (rated power @ 4 ohms)
Channel
Separation
>60db
Input
Impedance 10
Kȍ (Hi2 = 120)
Maximum input signal:
20.0V
Maximum
sensitivity:
100mV
Bass Boost @ 80Hz
10dB
DC
Offset
<50mV
Idle Current @ 4 ohms
<1.5A
Max Current Draw
38A (rated power @ 4 ohms)
Remote Operating Voltage
5-16VDC
Turn-on delay time
1 sec
Circuit
Protection Temperature
(85±5C),
Short circuit, Operating voltage range (9-16V)
Dimensions:
7-3/16" x 8-1/4" x 2-3/4" (183mm x 210mm x 70mm)
Weight
5.57lb
(2.53kg)
Fuse:
2
x
30A
JBL continually strives to update and improve existing products, as well as create new ones. The specifications and details in
this and related JBL publications are therefore subject to change without notice.
1
MS-A1004
2010.06.24
12
PART NUMBER
DESCRIPTION
47<
1
5 7 .1 2.TIN Y4 R 1 0 0 0
FOAM PACKING -TOP 1
2
5 7 .1 2 .TIN Y4 R 1 0 0 1
FOAM PACKING-BOTTOM 1
3
PLASTIC BAG
1
4
5 9 .1 1 .TIN Y4 R 1 0 0
OUTER CARTON 1
5
MASTER CARTON 1
6
DESICCANT
1
7
SERIAL LABEL
2
8
GIFT LABEL
1
9
CARTON LABEL
1
1 0
CE LABEL
1
1 1
3 8 .1 1 2 .TIN Y0
SETUP CD 1
1 2
1 3
PLASTIC BAG
2
1 4
6 5 .1 .2 R 5 2 0
1
1 5
6 5 .1 .0 4 2 0
1
1 6
2 6 .1 2 1 .1 1 2 1 0 1
RCA to bare wire Adapters 4
2.5mm ALLEN WRENCH
4.0mm ALLEN WRENCH
MADE IN CHINA
OWNER'S MANUAL 1
visit www.jbl.com
14
15
MS-A1004
2
12
3
1
1
2
3
6
4
x
30 A
30 A
+
-
1 x 60A
3
5
9
11
12
1
2
3
4
6
7
8
9
10 11
12
MS-A1004
3