Pioneer RX-P840 Service Manual page 52

Stereo cassette deck receiver
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RX-P840
SCH
Q7511, Q7513 : POWER TRANSISTOR
Q7601, Q7603 : BLOW DRIVE
8, Q7505, Q7507, Q7509 : ORIVER TRANSISTOR
07511, 07512: 2SA1264N
Ktass0asoa-P
ree
CH
KI
ca
ee
07503
100, C4) 100» GH)
28¢2859-TL
\bs/ a7sos
C7829
C7531
7
F
a
Q7605, Q7606 : OVER LOAD DETECTION
z
22.0k
Emme
se
07605
2sc2712-TL
a
AE
a
:
as
——
=
<0k
ye
rcs
A)
Leyes
[op
23C2712-TL
~08-TP
HS310
270
(2)
RD3.SESB24TP
issiei-t,
2841837
RI754
°
wu 2
a
=
NORMAL:11.8V
OVERLOAD :0
Q7504, Q7506, Q7508, Q7510 :
NORMAL: +B1
C
1$$244-TP
35e4793
C7546
HS$StOt-Te
Q7513,
07514: 2SC3181N
:
D
Q7512, Q7514 : POWER TRANSISTOR
SIGNAL ROUTE
AN
STOP:ITIV
|
LO:0.1
: MAIN SIGNAL ROUTE
HL:0V
|
>
$
E
|
NOTE1
: This voltage value will be greater or smaller
if the temperature varies when the heat synch
Toran
srop:11 .S¥
temperature is 25 CT.
Hiei t.5V
|
(Reference value : V = 8.6 - 0.019 x At)
At : = deviation from 25 CT
|
t
;
|
F
SCH-—5
FRONT ASSY FOR 100W
2
33

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