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5-2. SCHEMATIC DIAGRAM
MP
INPUT)
pes
AMP
.
INPUT ) @
J60!
Ref. No.
J501
LEVEL CONTROL
(POWER
A
C3
Descrip tion
POWER/MUTING SW
(ON-OFF)
TT
R602
R603
cé0l
Position —
ON
=
ce
POWER AMP SECTION
Q502
Q503
Q504
2SA705_ _ 25C632A
2SA706
QQ
Q603
R-CH
(Some as L-CH)
LEVER
SWITCH
Q50
2SC633A
INDEX
F (front)
Q507
2SCl 124
Q508
2SA706
R {reer}
$osi6
CIRCUIT
BREAKER
7
dot
2
<®>
rut
Cc
é
EBC
2SA706
280316
2SC 1124
POWER SUPPLY SECTION
Q509
|
|
250316
|
}
Q902
8B
c
E
2SA705
2SA678
2SC632A
2SCE633A
_ 28C634A
C909 0,022
OOV
D90I 5B-2
So
a e
Lo
L-CH SPEAKER OUT
ole)
il
O
RCH SPEAKER OUT
OQ |
Note:
All
resistance
values
are
in
ohms.
k
=
1000,
M
=
1000k
All capacitance values are in uF except as indicated
with
p, which
means
uuF.
All voltages
represent
an average
value
and
should
hold within
£20%.
All voltages are dc measured
with a VOM
which
has
an input impedance
of 20k ohms/volt.
No signal in.
Lope
Se
ee
owe ems eae ome
' VOLTAGE
- CHANGEOVER
- BLOCK
—14—-
© 1971
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