Halosonic Input - Harman Infinity REFERENCE 4555A Service Manual

CLUB4505/REF4555a BLOCK DIAGRAM
FL
LW/HI input
AGND
FR
LW/HI input
AGND
RL
LW/HI input
AGND
RR
LW/HI input
AGND
ADAS INPUT
5
4
3
2
1

AGND

HALOSONIC INPUT

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