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MODEL
SX-680/KC
SCHEMATIC DIAGRAM FOR KC TYPE
MAIN
BOARD Ass'y GwM-118 1/2
FM FRONT-END Ass'y GWB~- 103
Og, SES
ies
ii
Fae
och Ps
®
FM 3002
5
BALANCE
®
36
15.2.
[zs
i
Ke
UNBALANCE
b
001
GNO—
by Lp VCr TC, Con 22P
1
th
t 1 iF
(imantaten
cere
8
proccc
oi ns
x Ry fa
[ es
pee
penny
SWITCHES ;
Si: FUNCTION
: LOUDNESS
AM
OFF — ON
FM
SWITCH
Ass'y
—_—-
OE - EMPHASIS
QO
[=
Gwx-180
DIAL ILLUMINATE LAMP
BY
300mA x3
Baar
2SC1384
H
Que gaav
Dan
35mA
182472
err)
280712 _a36y
AUX
1
2
3
PHONO
: SPEAKER
A
4
OFF — ON
eee Sgr
Ts0033
S3: TAPE MONITOR 2
Sys
— 2Sus
OFF — ON
TUNING / SIGNAL,
4
The.
Ss: POWER
METER
Sq: FM MUTE, MODE
OFF — ON
QN/ STEREQ ~ OFF/ MONO
RESISTORS:
IN OHM
1/4W 15% TOLERANCE
UNLESS OTHERWISE
NOTED K:kQ
M:MQ
(F}: £ 1% TOLERANCE
CAPACITORS +
IN yF UNLESS OTHERWISE NOTED
PB; pF
SY
: SIGNAL VOLTAGE AT 90W +30W 8.0 OUTPUT (kHz)
Qyn.cz.rts206 2SCINI «A — yng)
: OC VOLTAGE
AT NO INPUT SIGNAL.
: DC CURRENT: AT NO INPUT
SIGNAL
Leh
> DC VOLTAGE
AT 30W OUTPUT
L215 9 1001
Coy
tte
foot
OmA
wy)
agg
h e
Gait
MZ-140
Rai0100
(-30v)
SxX-680/KC
The
indicated
semiconductors
are
representative
ones
only.
Other alternative semiconductors
may
be used and
are listed in the parts list.
FUSE HOLDER Ass'y
Gwx-187 %
| caleneteiet
Cm
feu
Doe
Zz
shar
oes
~Si
Lyveey
SR3AM~8 x4 a 0047
PHONES
JACK Ass'y
Gwx-193
HEADPHONES
Cistev7 82} H
2 "SP at iw
POWER METER
L ch
POWER METER
Roch
ia] celts Ray Ri
Sioat "ain
10 Yak A
ee
Bel
cn
22/50
960
22/50
Cars 4/95,
3 anit 304
a
~ um
&)
=
This is the basic schematic diagram, but the actual
Circuit may vary due toimprovements
in design.
I Dsoe TAPE ( RED)
INDICATOR Ass'y
| Ds SOURCE (GRN)
GWX-177
Dee
STEREO (RED)
Dso1s 204 Pikes x4
|
Ges, sor
2SC1919 x2
7
Re
Can Scie fre
K
8
.
ehh
10K Dan.soe
1815552 aay
Vase:
vOLUME
CONTROL
lle TAPE Ass'y
GWx-166
L_TAPE_MONTOR 2
2801438 x2
VRy TREBLE
CONTROL
Qor8 aati FI00P
MAIN BOARD Ass'y
GwM-118 2/2
L
SPEAKER
A
(eave)
832
R
l
SPEAKER B
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