Kenwood KR-6030 Service Manual page 16

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SCHEMATIC
DIAGRAM
A
c
Se
58
a
to}
—-50V
—49¥
GND
+50V
+49V
POWER AWE (X07=1580-10) | __
Sera
Ue
|
IY
ness 2.7K
aaa
Let
RELAY
|
4)
Re57 10
Re58 10
G3)] Lech OUT
Reh OUT
+3.5V © ws
@]x05-1500-10
Semiconductor Name
Rezg
10K
Substitutions
| Qe17
=
Nga Gott 77
5
hea
to
i] | X05-1500-10
°
;
|
:
|
$
3:
rd
RELAY,
RELAY DRIVER
|
CONTOLLER!
a
|
Re7s B.2K
7
J
1 2SA921(S)or(T)
1 28C1885 (R)or(S)
1 2SA912 (R)or(S)
+ 2SC1890A
(DE) or(F)
2 2SA913 (Qlor(R)
> 28C1913(Q)or(R)
+ 2SA893 (DE)or{F) or 2SA750(E)or(U)
1 2SA733(Q)or(R) or 2SAS64A(Q)or(R)
25C945(Q)or(R) or 2SC828A(Q) or(R)
1 2SC1735(D)or{E) or 2SD438MP{Dior(E)
+ 2SC1890{ DE)or(F) or 2SC 1681 (GR)or (BL)
2 2SC1116
: 2SA747
2 YZ140
: STV-4H(W)
: 482076 A0r1S1553
1 182076 or1S1555
> WO6
* Bias current is set between 20 mA and 200 mA by Re11 (Re12) and Re87 (Re88).
Semiconductor Name
KR-6030
Substitutions
(X00-1960-10)
Qk1: 28C789, 250526
(X05-1500-10)
Qg1:
3SK59(GR, Y)
Qg2:
2$C1923(R), (O)
Qg3:
2$C1342(A), (B)
Qg4, 5: 28C1923(R), (O)
Qg6~9:
2SC945(P),(Q), (R)
2SC828A(P),
(Q), (R)
Qg10:
2SA733(P), (Q)
2SA564A
2S8A841(GR),(BL)
Qg11, 12: 28K117(Y), (GR), (BL)
2S K68(L), (M)
2S8K105(F), (H)
(X07-1580-10)
Qei~4: 2SA921(S, T)
QQe5~8:
2SC1885(R, S)
Qe9, 10: 2SA912(R, S)
Qe11, 12:
2SC1890A(D), (E), (F)
Qe13, 14 2S8A913(Q), (R)
16
2SD525
3SK45(B),
(C)
2S8C381(R), (O), 2SC785(R),(O)
2SC785(R)
28C381(R), (0), 2SC785(R),(O)
2SC734(Y)
2SA872, 2SA872A
2$C1904(B), (V)
2SA899(B), (V)
2S8C1980
2SB536(L), (M), (K)
2SA839
Qe15, 16:
28C1913(Q), (R)
Qe17:
2SA893(D), (E), (F)
2SA750(E), (U)
Qe18:
2SA733(Q), (R)
2SA564A(Q), (R)
Qe19, 20:
2SC945(Q), (R)
2SC828A(Q), (R)
Qe21:
2$C1735(D), (E)
2SD438MP(D), (E)
Qe22:
2SC1890(D), (E), (F)
2S8C1681(GR), (BL)
Qe23, 24:
28C1116
Qe25, 26: 2SA747
(X11-1450-10)
Qi1, 2,5, 6: 2SA640(E), (F)
Qi3,4,7,8:
2SC1400(E), (F)
2SD381(L),
(M), 28C1669
-
2SA872
2SA561, 2SA673A
2S8C734
2$C1213A(B), (C)
28C1318(Q), (R)
2S8C1775(D), (E)
2$C1509(Q), (R)
2S8C1775(D), (E), (F)
2S8C1775A(D), (E)
2SC1116A
2SAT747A
2SA750(E), (F), 2SA872(D), (E)
2S8C1775(E), (F}, 2SC1775A(E),(F)
2SC1980(S), (T)

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