JBL BPX500.1 Manuale utente
BPX500.1
2 CHANNEL
POWER AMPLIFIER
SERVICE MANUAL
JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797 Rev1 2/2004
CONTENTS
Specifications………………………….…………………..……1
Features…………………………………………………………2
Test Conditions And Notes……………………………………2
Controls/connections…………………………………..………3
Mounting…………………………………………….…..………3
Applications………………………………………..……………4
Typical System Configuration…………………………………5
Troubleshooting……………………………………….……..…6
PCB drawings……………………………………..……………7
Electrical Parts List……………………………………………10
Mechanical Parts List……………….………………..………13
Block Diagrams……………………………………….………14
Semiconductor Pinouts………………………………………15
Exploded view…………………………………………………20
Schematics……………………………………………….……21
Packing………………………………….………………………30
SPECIFICATIONS
Power Output, 4 Ohms: n/a
Power Output, 2 Ohms: 250W x 2
Power Output, Bridged, 4 Ohms: 500W x 1
Power Output, Parallel, 1 Ohm: 500W x 1
MIN. Speaker Impedance: 1 ohm
Frequency Response: 20Hz~320Hz, -3dB
Input Sensitivity (RCA type): 250mV~6V
THD + Noise (4 Ohms): 0.5%
Signal-to-Noise: 93 dB
Maximum Current Draw: 50A
Fuse Replacement: 30Ax2
External Dimensions:
Length 12 ¼” (312mm)
Width 13” (330mm)
Depth 2 9/16” (66mm)
JBL continually strives to improve its products. New materials, production methods and design refinements are introduced into existing
models without notice as a routine expression of our design philosophy. For this reason, Power Series Multichannel Automotive
Amplifiers may differ in some respects from their published specifications and descriptions, but will always equal or exceed the original
specifications unless otherwise stated.
Power Amplifier
BPX500.1
APPLICATIONS – BPx MODELS
To the right are several application
diagrams to help plan your subwoofer
system installation. Figures 1 through 3
show how to configure the JBL Power
Series subwoofer amplifiers (models
BPx500.1, BPx1100.1 and BPx2200.1)
for 2-channel, bridged-mono and
parallel-mono operation
“Setting the Output Mode” on page 6).
NOTE: For simplicity, Figures 1 through
3 do not show power, remote and input
connections.
NOTE: If the nominal impedance
of your speaker system is close to
2 ohms, be prepared to try both
bridged and parallel configurations to
determine which performs better.
3
BPx Amplifier
(partial rear panel)
*
SEE MANUAL FOR PARALLEL CONNECTION
2 CHANNEL
BRIDGED
PARALLEL
*
CH 1
CH 2
SPEAKER OUTPUTS
NEON
Subwoofer Subwoofer
Set OUTPUT MODE
to 2CH/BR
(on input panel)
PARALLEL 2CH/BR
OUTPUT MODE
12dB 24dB
32Hz 320Hz
FREQ
SLOPE
X-OVER
BPx Amplifier
(partial rear panel)
*
SEE MANUAL FOR PARALLEL CONNECTION
2 CHANNEL
BRIDGED
PARALLEL
*
CH 1
CH 2
SPEAKER OUTPUTS
NEON
Subwoofer (less than 2 ohms)
Set OUTPUT MODE
to PARALLEL
(on input panel)
PARALLEL 2CH/BR
OUTPUT MODE
12dB 24dB
32Hz 320Hz
FREQ
SLOPE
X-OVER
jumper
Figure 1. The JBL Power Series
subwoofer amplifier is set to
2-channel mode to drive a pair
of subwoofers.
Figure 2. The JBL Power Series
subwoofer amplifier is set to
bridged (mono) mode to drive
a single subwoofer. Use this
mode only when the nominal
impedance of the speaker
system is 2 ohms or greater.
Figure 3. The JBL Power Series
subwoofer amplifier is set to
parallel mode to drive a single
subwoofer. Use this mode only
when the nominal impedance
of the speaker system is less
than 2 ohms.
NOTE: A jumper is added
between the + terminals.
BPx Amplifier
(partial rear panel)
*
SEE MANUAL FOR PARALLEL CONNECTION
2 CHANNEL
BRIDGED
PARALLEL
*
CH 1
CH 2
SPEAKER OUTPUTS
NEON
Subwoofer (2 ohms or greater)
Set OUTPUT MODE
to 2CH/BR
(on input panel)
PARALLEL 2CH/BR
OUTPUT MODE
12dB 24dB
32Hz 320Hz
FREQ
SLOPE
X-OVER
Power Series Amp OM 5/20/03 10:51 AM Page 3
Power Amplifier
BPX500.1
TROUBLESHOOTING
SYMPTOM LIKELY CAUSE SOLUTION
No audio No voltage at BATT+ Check voltages at
(POWER LED or REM terminals, amplifier terminals
is off) or bad or no ground with VOM
connection
No audio DC voltage on Amplifier may need
(PROTECT LED amplifier output service; see enclosed
flashes every warranty card for
4 sec.) service information
No audio Amplifier is Make sure amplifier
(PROTECT overheated cooling is not blocked
LED is on) at mounting location;
verify speaker-system
impedance is within
specified limits (see
“Specifications” on the
next page)
No audio Voltage less than 9V on Check vehicle
(PROTECT BATT+ connection charging system for
and POWER defective voltage
LEDs flash) regulator
I-E/OPT LED Amplifier is being Check INPUT
is on all times overdriven LEVEL setting;
(not flashing) see previous page
No audio Voltage more than 16V Check vehicle
(PROTECT or less than 8.5V on charging system for
LED is on) BATT+ connection defective voltage
regulator
Distorted audio Input sensitivity is Check INPUT
not set properly, or LEVEL setting; or
amplifier or source check speaker wires
unit is defective for shorts or grounds
Distorted audio Short circuit in Remove speaker leads
and PROTECT speaker or wire one at a time to locate
LED flashes shorted speaker or
wire, then repair
Music lacks Speakers are not Check speaker
“punch” connected properly connections for
proper polarity
Power Amplifier
BPX500.1
PAS132-01
PAS132-01
PAS132-01
PAS132-01
PAS132-01
PAS132-01
PAS132-01
PAS132-01
PAS132-01
PAS132-01
REV.0
REV.0
REV.0
REV.0
REV.0
REV.0
REV.0
REV.0
REV.0
REV.0
A20K
2K
623PCB4-B
A20KA20K
2K
623PCB4-B
A20K
2K
623PCB4-B
A20K
2K
623PCB4-B 623PCB4-B
2K
A20K
A20K
2K
623PCB4-B
A20KA20K
2K
623PCB4-B 623PCB4-B
2K
A20K A20K
2K
623PCB4-B 623PCB4-B
2K
A20K
A20K
VR701
R701
MOD02
VR701
R701
MOD02
VR701
R701
MOD02
VR701
R701
MOD02 MOD02
MOD02
R701R701
VR701
VR701
R701
MOD02
VR701
R701
MOD02 MOD02
R701
VR701
VR701
R701
MOD02 MOD02
R701
VR701
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