Alpine MRV-F345 - Connection Points; Speaker Outputs and Modes; Input;Output Jacks; Control and Grounding Leads

Block Diagram
MRV-F345
RCA INPUT
4CH
MIX MIX MIX MIX
2CH
LINE OUT
ISO. AMP
BUFFER
VOLUME IC
VARIABLE FILTER
VARIABLE FILTER
FLAT
FLAT
LPF
LPF
HPF
HPF
ch1
ch2
ch3
ch4
INPUT SELECTOR
FILTER
X20
FREQ VR
MUTE
MUTE
ch2 POWER AMP
ch1 POWER AMP
SPEAKER
TERMINAL
ch1
ch2
VOLUME IC
VARIABLE FILTER
VARIABLE FILTER
FLAT
FLAT
LPF
LPF
HPF
HPF
FILTER
X20
FREQ VR
MUTE
MUTE
ch4 POWER AMP
ch3 POWER AMP
SPEAKER
TERMINAL
ch3
ch4
VOL_CONTROLL
MUTE DRIVE
MUTE
DC-OFFSET , OUTPUT-CURRENT-LIMIT
CE1 , CE2 , CL , DI FREQ , X20
OUTPUT THERMAL DETECT
OUT_THRM
9V REG5V REG
to VOLUME IC
to LCD
POW P1
LM20
AD THRM DET
THERMAL DETECT 2
AD THRM
VOLTAGE DETECT
AD VOLT
VOLTAGE DETECT
AD VOLT
BD5243G
B DET
BD5242G
RESET
BR24L01A
I2C (SDA SCL)
FAN DRIVE
FAN1 , FAN2
uPC494
POW P2
38V
to AMP
15V REG
to OP-AMP
LCD
CE,DI,CLK,INH
KEY
AD-KEY
LED
LED
BUFFER
DIN,DOUT,CLK
AMPLINK
DIN 6P
uCOM
5V REG
REM-ON
to uCOM
POWER
TERMINAL
+B
REM
GND
DC/DC Conv.
DC FAN
40V
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