Read JBL Club 4505 Service Manual online
GAIN
min-max
Crossover
Power supply
GROUND
+12V
32Hz-320Hz 12dB/oct
2
3
1
4
A
LO
Hi
Hi2
LP/HP PASS
2
3
1
4
A
HPF
LPF
FULL
LW/HI input
30kHz
320Hz
32Hz
Input selector
Controls
AGND
ADAS INPUT
ADAS ASSIGN
MCU
SN8P2751P8AD
HT7550
DC-DC
A1
K1
A2
K2
Power/Protect
White/RED
AMP
OP
1
1
2
2
3
3
REM
FL
INPUT
MIX
OP
Phase
Power Amplifier
Class AB
2Ω/4Ω
2
3
1
4
A
HPF
LPF
FULL
LW/HI input
Controls
AGND
FR
OP
Phase
Power Amplifier
Class AB
2Ω/4Ω
2
3
1
4
A
HPF
LPF
FULL
LW/HI input
Controls
AGND
RL
OP
Phase
Power Amplifier
Class AB
2Ω/4Ω
2
3
1
4
A
HPF
LPF
FULL
LW/HI input
Controls
AGND
RR
OP
Phase
Power Amplifier
Class AB
2Ω/4Ω
CLUB4505/REF4555a BLOCK DIAGRAM
2
5
1
3
4
ADASFL
ADASFR
ADASRL
ADASRR
SUB R IN
SUB L IN
1
2
3
4
5
AGND
HALOSONIC
INPUT
HALOSONIC INPUT
ADAS FL
OP
OP
OP
OP
OP
OP
Crossover
32Hz-320Hz 12dB/oct
LP/HP PASS
30kHz
320Hz
32Hz
OP
Crossover
32Hz-320Hz 12dB/oct
LP/HP PASS
30kHz
320Hz
32Hz
OP
Crossover
32Hz-320Hz 12dB/oct
LP/HP PASS
30kHz
320Hz
32Hz
OP
INPUT
MIX
OP
INPUT
MIX
OP
INPUT
MIX
OP
GAIN
min-max
OP
GAIN
min-max
OP
GAIN
min-max
OP
2
3
1
4
A
LO
Hi
Hi2
Input selector
OP
2
3
1
4
A
LO
Hi
Hi2
Input selector
OP
2
3
1
4
A
LO
Hi
Hi2
Input selector
OP
RCA FL
HALOSONIC L
SIGNAL DET
HALOSONIC R
ADAS FR
ADAS RL
ADAS RR
RCA FR
AGND
GAIN
min-max
LOW Pass
32-320Hz
BASS
0-9dB
PHASE
0-180°
A
EXT
SUB
INT
Power Amplifier
Class D
2Ω/4Ω
SUB
FL
FR
RL
RR
1
2
3
+
_
LIMITER
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