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Sharp SM-307H Service Manual page 17

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SM-307H
SM-307H
Q419,Q420
15,5y_ DETECTION
2SC2878
Q4i8
2SCI740
POWER AMP
(FULL RANGE)
.
.
ole
ical (172)
©
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-33.2
STK4I5:
ox
eR
(4)| LIMITER
IC
Hs) RLY
FROM
HEADPHONES
PWB-AS
Pi9
6-H
C451
R455
per
meek
R461
R467
22K
22K
(i72W)
(172W)
L-CH
FULL RANGE
C434
SO40I-A
0.47/50V
c498
OTF)
cage, RS!
ONCWF) 10¢
4499
C495 R5i
GFF) OMTF) 10(1
R- CH
C453
R487
SEP
22K
72W)
Loe
BASS
RANGE
$ 0401-8
(C401(1/2)
STK 4152
I
R435
C44!
33.
1K
Toviev
POWER AMP
2
(BASS RANGE)
c455 4
R-CH
R5I8
OTF)
OMTF)
100l/72W)
OVER LOAD
C456
m
DETECTION
10/50V +
POWER
AMP
1K
1O/16V
+
Fri
GND(Signal)
1C€403
HAI2002
-3.9V
OV
Ov
1c 402(1/2)
sTK
4152
1
.
ov
CNS407
GND (Digital) (ot
—vp
|Q)
FROM
CONTROL
PWE82)
P2i
i-D
Ser BER
2
R462
R468
22K
2.2K
(iv2w)
(72w)
SW40I-A
CNP407
SURROUND
c4gl
220/10V
OFF «—eON
F
c4s2
10/50 V
OTCI44
ES
INVERTER
bala
CNP408
HEL
P20 10C
RSI3
27K
te
STK 4152
I
R436
C442
1K
1Os16V
(BASS
RANGE)
SWITCH
PWB-A3
cCNP404
POWER SW_
PWB-A4
1oli72w)
R419
47K
Fusible
TAPE
REGURATOR
TAPE
PLAYER
PLAYER
REGURATOR
R413
174w)
Z0406
HZ16-IL
CNP4OI
14.7V
FROM
SOCKET
PWB-A2
ZD407
HZI6-IL
P20
10-C
Q401,Q403,
Q409,Q41!
2SDI76!1
E
Q402, Q0404,Q410
,Q412
2SCiI740
SR
Q405,Q407,
2SB1185
E
Q406,Q408
2SA933
SR
R414
47K
R422
47k
REGUR
R410
10(/4w)
CURRENT
LIMITER
1€404
MA
2613
T.2.9 Galego
|
m C426
toovi6v
Rat
re 7 ie
NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
ANMERKUNGEN ZUM SCHEMATISCHEN SCHALTPLAN stehen auf Seite 15.
REMARQUES CONCERNANT LE DIAGRAMME SCHEMATIQUE sont indiquées a la page 15.
+B
FM Signal
—B
Pe
ee
Br
Se
en
Te
8
Figure 25 SCHEMATIC DIAGRAM (3/3)
REGURATOR
0
R823
R504
R525
5
(1/4) x4
MAIN
PWB-AI
—25—
—26-—

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