Block Diagram - Alpine MRP-F300 Service Manual

Block Diagram

RCA-IN
ISOLATOR
CH 1
RCA-IN
ISOLATOR
CH 2
SP-IN
CH 1,2
CH 3,4
RCA-IN
ISOLATOR GAIN
CH 3
RCA-IN
ISOLATOR GAIN
CH 4
MUTE
ON/OFF
DRIVER
BATT.
REM.
GND.
LPF/HPF
GAIN
50-400Hz
LPF/HPF
GAIN
50-400Hz
SW
LPF/HPF
BASS EQ
50-400Hz
SW
LPF/HPF
BASS EQ
50-400Hz
PROTECTION
DRIVE
LINE CHOKE
POWER
TL494IDRE4
ON/OFF
LED
SEL
S/W
SubSonic
MUTE ON/OFF
SEL
S/W
SubSonic
MUTE ON/OFF
SEL
S/W
SubSonic
MUTE ON/OFF
SEL
S/W
SubSonic
MUTE ON/OFF
DC off set
over load
Thermal(trans)
Thermal(Power TR)
over temperature Protect(Trans)
Thermal senser
POWER
Driver
FET
POWER
Driver
FET
Thermal senser
Power trans
- 6 -
MRP-F300
SENSOR
DC off set
Over Current Protect
SENSOR
over temperature Protect(TR)
SENSOR
Pre
POWER AMP
drive
SENSOR
DC off set
Over Current Protect
SENSOR
over temperature Protect
SENSOR
Pre
POWER AMP
drive
SENSOR
DC off set
Over Current Protect
SENSOR
over temperature Protect
SENSOR
Pre
POWER AMP
drive
SENSOR
DC off set
Over Current Protect
SENSOR
over temperature Protect
SENSOR
Pre
POWER AMP
drive
±Vcc ±15V
RECTIFIER
±15V
REGULATOR
CH 1(+)
CH 1(-)
CH 2(+)
CH 2(-)
CH 3(+)
CH 3(-)
CH 4(+)
CH 4(-)
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