Read JBL CS60.4 (serv.man11) Service Manual online
CS Series
CS60.4
4 CHANNEL POWER AMPLIFIER
SERVICE MANUAL
JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797 Rev0
11/2005
- CONTENTS -
SPECIFICATIONS ………………………………………..1
PACKAGING……………………………………………….2
CONNECTIONS..…….…….….……………………..……3
SET-UP/CONTROLS..………………………………....…4
BASIC TROUBLESHOOTING..…….…….………………4
EXPLODED VIEW/PARTS LIST…….….….…………....5
AMPLIFIER BLOCK DIAGRAM…………………….……6
P.C.B. DRAWINGS….……………………………….…….7
ELECTRICAL PARTS LIST ..……….……….…….….…11
IC/TRANSISTOR PINOUTS..……..….…….….….….…..1
5
SCHEMATICS………..…………………………….……...
16
CS60.4 Specifications
Output Power:
60W RMS x 4 channels @ 4 ohms;
≤1% THD + N
(14.4V supply)
80W RMS x 4 channels @ 2 ohms;
≤1% THD + N
160W RMS x 2 channels @ 4 ohms;
≤1% THD + N
Signal-to-noise ratio:
86dBA (reference 1W into 4 ohms)
Dynamic power:
145W @ 2 ohms
Effective damping factor:
6.395 @ 4 ohms
Frequency response:
10Hz – 27kHz (–3dB)
Maximum input signal:
6V
Maximum sensitivity:
100mV
Bass boost (45Hz)
Variable 0 – 6dB
DC
Offset
<30mV
Output regulation:
.03dB @ 4 ohms
Idle
Current
0.65A
Input
Impedance
20k
Ω
Max Current Draw
26A @ 4 ohms
49A @ 2 ohms
49A @ 2 ohms
Dimensions:
13 1/4 x 10 1/4 x 2 3/16”
(L x W x H)
(336mm x 260mm x 55mm)
Fuses:
25A
x
2
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.
CS Series 60.4
1
CS Series 60.4
2
APPLICATIONS – CS200.1
The CS subwoofer amplifier is a
single-channel amplifier. There are
two sets of terminals to make it easy
to connect multiple woofers. Either
set of (+/–) terminals may be used
when connecting woofers.
single-channel amplifier. There are
two sets of terminals to make it easy
to connect multiple woofers. Either
set of (+/–) terminals may be used
when connecting woofers.
To the right are two application
diagrams to help plan your subwoofer
system installation.
diagrams to help plan your subwoofer
system installation.
Figures 2 and 3
show how to configure the CS200.1
subwoofer amplifier.
subwoofer amplifier.
NOTE: For simplicity, Figures 2 and 3
do not show power, remote and input
connections.
do not show power, remote and input
connections.
NOTE: Minimum speaker load is
2 ohms total.
2 ohms total.
Figure 2. CS subwoofer amplifier with two woofers
connected.
connected.
Figure 3. CS subwoofer amplifier with one woofer
connected.
connected.
Figure 4.
CS60.4 amplifier in 4-channel (stereo)
operation to drive front and rear full-range speakers.
Figure 5.
CS60.4 is set up for 3-channel operation to
drive a set of full-range speakers and a subwoofer.
Figure 6.
CS60.4 used in bridged 2-channel mode
to drive a set of components or subwoofers. Set
crossovers according to application.
crossovers according to application.
APPLICATIONS – CS60.4
The
CS60.4 can be set up for stereo
4-channel, 3-channel or bridged
2-channel operation, as shown in
Figures 4 through 6.
2-channel operation, as shown in
Figures 4 through 6.
NOTE: For simplicity, Figures 4 through
6 do not show power, remote and input
connections.
6 do not show power, remote and input
connections.
NOTE: Minimum speaker impedance
for stereo operation is 2 ohms.
Minimum speaker impedance for
bridged operation is 4 ohms.
for stereo operation is 2 ohms.
Minimum speaker impedance for
bridged operation is 4 ohms.
CS Series 60.4
3
