Sony TA-N220 Service Manual page 3

Stereo power amplifier
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SECTION 2
DIAGRAMS
2-1.
BLOCK
DIAGRAM
RVIOI-1
IC1Ol (1/2)
POWER AMP
INPUT}
Jl0l-2
ICl01 (2/2)
RvioN-2
POWER AMP
0505
RY503
0515
RV301-1
INPUT
LEVI
IC3OI( 1/2)
POWER AMP
Qlor
OVER CURRENT
DET
CNIOL (1/2)
&
&)
$502
AMP 3,4
BTL
NORMAL
Q502
REG
t 0504
o a =
Q301
OVER CURRENT
DET
JIOI-4
i]
IC301 (2/2)
RV30I-2
POWER AMP
INPUT
LEVEL
0502
CNIO1(2/2)
SPEAKER
O
ca
0507
=
I
AB 0503
0501
|
LED SWITCH
i
|
$501
AMP |, 2
BTL
t
NORMAL
PTI
POWER
F501. 16.38
TRANSFORMER |
OND
|
|
r
F502 T6.3A
I
F503 T6.3A
|
2
I
I
|
|
F504 76.34
I
|
oS
aoe
D509
0510
EXCEPT E
VOLTAGE
SELECTOR
\20V -240V -220V
CNPI

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