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XM-2540/2540S
SECTION
2
DIAGRAMS
Q101
MUTING
PREAMP
S|
AMP
Q201
2-1. BLOCK
DIAGRAM
Q102
- Q109
Ql
—Qil3
POWER
AMP
(INVERTING
AMP)
sae
MONO
© =
(BRIDGE)
QIl4
OVER
LOAD
RV5OI .
LEVEL
REAR
Q202
— 0209
Q2ll
— Q213
POWER
AMP
(INVERTING
AMP)
MUTING
ore ee
we ee
ee
ee
ee
ee oe
OVER LOAD
=
Q214
ie
SPEAKERS
Q555, 0556
PROTECT
SWITCH
OFF SET DET
nape i!
Q302-Q309
Q3ll
- Q313
POWER
AMP
A
7
a
Q314
a
cos
'
(INVERTING AMP)
|
Ace
LORD
7
PREAMP
©
MONO
(PMP)
1 RV502
(BRIDGE)
a
WTLEVEL FRONT
!
3
|
Q40])
i
(1)
1
Q402 -Q409
|
ue
Q411 — Q413
© ~|
POWER
AMP
Q414
R
N
(INVERTING
AMP)
OVER LOAD
TH552
1@® _
poe
(POSITIVE)
PHSO|
a
MUTE DRIVE
eee
—e
+12V
CN501
Q551, Q563
Q553 , Q566
1055]
(16)
—
+12V1
O
OVER VOLTAGE
DOWN VOLTAGE
DC-DC
oe
aay
DET.
DET.
CONVERTER
B+
oa
DRIVE
Q557,0558 ,Q56!
CONVERTER
Pee Ae)
D552
INVERTER
Bes
(PREAMP)
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