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re 4
Block Diagram
rCHe ©
BUFFER
G
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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
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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
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