Alpine 3554 - Page 10

roa
re 2
re 4
Block Diagram
rCHe © BUFFER
G
aon iclo1 (172)
‘ll
yD siol-I
VRIOI~| one
GAIN
CONTROL VARIABLE
ET1I02-|
cH| @—» R-cH
(R-CH)
ETIO2-4 BUFFER
CH4
(L-cH) 1€301 (1/2)
S20I-1
VR30I-1 FIXED
GAIN
CONTROL — VARIABLE
ETI02-3
CH3 ~©@+—> R-CH
(R-CH)
DRIVER,
BUFFER
~stace- 78
BUFFER
— STAGE- ~
DRIVER,
POWER
AMP.
— STAGE-
V- STABILIZER
0531
HIGH PASS
FILTER AMP
1c102 (1/2)
LOW PASS
FILTER AMP
Ic201(1/2)
HIGH PASS
FILTER AMP
1€302 (1/2)
LOW PASS
FILTER AMP
IC401(1/2)
+8 503,504
—10—
FILTER
$l02-|
c BUFFER
: | 1c202(1/2)
OFF INPUT MODE
t $103-I
I L —
LP ST
Race t R
0C—DC
CONVERTER
Q501— 514
SWITCHING
Q516
Q517
MUTE
SWITCH
cI +B
OVER LOAD
QO ® PROTECTOR
103
DRIVER
(2)
ETIO!
IClo3
LEFT
OVER LOAD
rite pa
106
MUTING
Qiol
MUTING
as
9301
RIGHT
OVER LOAD
PROTECTOR
0303
&)
3} LEFT
OVER LOAD
@ [es POWER PROTECTOR
(9X0) AMP 9304
Ss = 0306
R-CH &)
RIGHT
THERMAL
& OVER LDS5I9-!
CURRENT LED SWITCH @ (GRN)
REGULATOR
0524
LD520-1
SWITCHING
(GRN)
CONTROL
LED
SWITCH
p)
L0519-2
IC501
Q525
(ORG
)
LD520-2
(ORG }
Dc-pCc
CONVERTER
+B
Bt
Tee!
FIOI
ET5OI
Ic50l SWITCH 7 oN © 1BATT
515
T502
Fl02
GND
Bt
SWITCH
ET502
Q521 4
MUTE
SWITCH Rew
9518, 0523
—-11—-
fo Jremote
3554