Alpine 3672 - Block Diagram; Signal Flow and Component Overview

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Block Diagram
$304
CH1/2-
OUTPUT MODE SWITCH
VR202 Oo. Oo L
1C302 [|
CROSS OVER
VOLUME
(50Hz - 800Hz)
$301
Q303,
304
PHASE
SWITCH
L
(0°/
180°)
1C308
VR801
Vv
:
CH1/2
-HIGH
ese
t
Bi
ice
38%
S00
PHASE
SWITCH
=
CH1/2
9301.
30
:
(-6dB
+
6dB)
(RCA
JACK)
MUTE ©
1C306
IC307_ ok
3
STATE
FILTER
duace
eine
BUEFER
OUTPUT
LOW
(-6dB
+
6dB)
CH1/2
Pde
dg
(RCA
JACK)
$302
CROSS
OVER
PHASE
SWITCH
00
VOLUME
(0°/
180°)
Q104,
106
3KHz
-
10K
Ti02
LI]
$303
pees)
ey
POWER
SUPPLY
oTO
O
BATT
1
INPUT
SELECTOR
-9V
SWITCHING
'
SWITCH
a
Q101,
102,
105
REMOTE
O
REMOTE
Oo}
ON/OFF
ny
1
Oo
1301
ial
on
:
INPUT
DRIVER
BUFFER
B
$702
$507
ae
oO
U
PHASE
SWITCH
SUB
WOOFER
Q901-904
(0°/
180°)
IC705
OUTPUT
SWITCH
7
$701
STEREO
/
MON
ineue
ne
/2
®
SUB
WOOFER
L
=
_VR80G
1C706
(RCA
JACK)
mee
Mop
Swick
ena
LOW
Pass
suB
WOOFER
|"
Yo
|
vouume
Po)
OUTPUT
JK803-2
FILTER
PHASE
SWITCH
BUFFER
OUTPUT
SUBWOOFER
2
-
R|
(90Hz-120Hz)
(0-12dB)
|R
(RCA
JACK)
oo
[lo
R
VR206
R
Beeebhowg
$502
Q503,
504
CH1/2-CH3/4
O00
PHASE
SWITCH
MUTE
kt—©
MIX
L
(0°/
180°)
(C511
Q701,
702
Q505,
506
VR803
$503
00
O
1C512
ai
PHASE
SWITCH
CH3/4
-
HIGH
LEVEL
OUTPUT
(0°/
180)
1C513
a
PHASE
SWITCH
¥OLUME
iB
BUFFER
R|
(-6dB
+
6dB)
LEVEL
JK802-2
:
CH3/4
-MID
OUTPUT
MID
2.
1
VOLUME
PHASE
SWITCH
CH3/4
OUTPUT
HIGH
(-6dB
+
6dB)
(RCA
JACK)
CH3/4
(RCA
JACK)
Do
-~-
=r
------~-4---------------
oO
Ic501__
|
1C502
5
Oo
o!0
1C506
-
508
CROSS
OVER
'
INPUT
HIGH
PASS
HIGH
-
LOW
=
!
MID
-LOW
3K803-1
VOLUME
1
OUTPUT
LOW
gq
BUFFER
oes
(oH
aa
FILTER
3
STATE
FILTER
Paina
3
STATE
FILTER
ey
:
Gia
(>)
(6dB
+
648)
(RCA,
JACK)
JK804-2
VR205
“Se
INPUT
CH3/4
OO
:
C+
:
(RCA
JACK)
CROSS
OVER
CROSS
OVER
VOLUME
(3KHz - 10KHz)
—15—
$501
-1
VOLUME
2
CH3/4
H
OUTPUT
MODE
(200Hz
-2KHz)
OUTPUT
MODE
SWITCH SWITCH
“1¢ =