Pioneer SA-708 Service Manual page 16

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VRI: VOLUME
Acv-18t
SS: LOUDNESS
ASK~i58
VOLUME Assy GWG — 130
}Q201, 202
2SA978-F
#Q203,204
es)
paoz
R409
27%
R425,
21, 402
ex
2S8A798-G
vai, 2:
03, 404
LEVEL
Ady
2sc22ai-F
ieee
10405, 406
2SA726S-F
~404
182076
5,406 1S1555
:
Mz-240
pa | A
'R44
0.221
0407
0409, 410
407, 408
(aw)
fax
0413,
0415, 416
411, 412
D4li~4i4
1s1555
§<)
GY
0407,408
28¢2229-r
0413, 414
28Cc2238-Y
Q409, 410
2Sa949-Y
SP SWITCH Assy
GWX 335
Tw)
St0-1
REGS
0
Ow PON
ssouw)
f
6
6)
ott
i
=
INDICATOR
Ass y AWV-004
ape =
[CURRENT
VEL SI
———
2,3
COMPARATOR
HEADPHONE Assy
R605 330
ip
[o
2
©)
©] sreanen
A
[9 ©
©
@] SPEAKER
8
= i
|
i
Hd ihe
[inca
t-—j—_—_J
|
320>]
soma
ty
ot
OFF
SET
Le
HIE T
LEVEL
SHIFT
|_| Prdak al
HAIZ010
1. RESISTORS;
Indicated
in 2,
1/4W,
+5%
tolerance
unless
otherwise
noted
2.
CAPACITORS;
Indicated in capacity
(uF) /voltage(V) unless
otherwise noted p:pF
Indication without voltage is 50V except
electrolytic capacitor.
3. VOLTAGE, CURRENT;
[[W]; signal voltage at 65 + 65W 82 output (1kH2)
Tl);
de voltage(v)
at no
input
signal
Value
in
( )
is
DC
voltage
at
rated
power,
<=] mA ; DC
current
at
no
input
signal
4.
OTHERS;
=>
=; Signal route
@
i; Adjusting
point
the f\ mark found on some component parts
indicates
the
importance
of
the
safety
factor
of
the part.
Therefore,
when
replacing,
be
circuit may vary due to improvements in design.
SWITCHES
Sl TAPE DUPLICATE
= 1+2-SOURCE-2+1
$2 TAPE MONITOR
1-OFF-2
$3 MUTING
OFF~ -20dB
S4 MODE
|
STEREO-MONO
SS LOUDNESS
OFF-ON
S6 TONE
OFF-ON
$7 SUBSONIC
OFF-oN
S8 PHONO INTERFERENCE
OQFF-ON
$9 FUNCTION
TUNER-PHONO-AUX
$10 SPEAKERS
OFF-A-B-A+B
S11 POWER
QFF-ON
The
underlined
indicates
the
switch
position.
External Appearance of
Transistors and ICs
2SA733A
2SC945A
Lot No
Type No
re
Suffix
2SA798
Type No
Lot No
hre
BI
cl
c2
B2
TA7318P
HA12010
2SA968
2S8C2238
2S8D313
Type No:
Re
Lot No
2SA904A
:
28C1 914A
uf fix
Lot No
Type No
hFE
B
c
E
2SA905
Lot No
Type No
hre
B
c
i=
2SA949
2SC2229
Lot No
Type No
hee
E
be B
2SA1075/A/
2SC2525/A/
Type No.
Lot No
B
hre
c Ee
2SA978
2SA1100
2S8C1919
2SC2575
Lot No
Type No
hre
B
c
E
Lot Ni
28C2291
Type No.
Lot No:
hre
El
cr
B
c2
2SK34
loss
0
SA-708
9
2SA726S
Dot
Lot No
Type No
hre
Y
A
ce
2SB507
28C1384
hee.
Type No
Lot No
—E
c
2SC1400
Lot No
Type No
hre
E
c
E2
Type No
Oo

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