Teac A-550RX Service Manual page 37

Stereo cassette deck
Table of Contents

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TEAC
SCHEMATIC DIAGRAM
(TAPE TRANSPORT)
1
2
3
A-SSORX
cel2
REAO
.3V5OV
6 Bk
0.
REIO
47k
KEY UNIT. __|
|
P603 | J603
i
=
A
ECORO
?
our F
|
REC MUTE
:
i
4
PAUSE
|
Ri
REBI S RESZ
18k
J 330
(K)o623
foesv
R683
2.7%
REC
MUTE
cas
2) a624
reas
2% he OS
R685
560
REST 18k
REI!
1.8K
Wr
vo) POWER SUPPLY PCB_
CONTROL
PCB
POWER SUPPLY PCB
c
U601
M-54410P
Q619
2SC1740LN
(S)
D601 ~ D629
1S2473HJ
0801
280313
(E)
801
~ D608
1SR34-200HM
620.0621.
280313
0630, 0631
1SR34-200HM
0802, 0803
2SC1740LN (S)
D809
RD-13EB
Q601
~ 0603
2SC1740LN
(S)
0622, 0623
2SA933LN
(R)
D632 ~ 0634
1$2473HJ
0804
250313 (E)
OetT
RD-6.2EB
0604 (Darlington pair)
25C1645 (B)
674
28D313E
0635
1SR34-200HM
0805
28C1740LN (S)
0812
1SR34-200HM
B
605,
2SC1636.2
0625
2SA933LN
(R)
D636 ~ D642
1S2473HJ
0806
2sD400MP
(E}
D813
RD5S.6EB
0606, Q607
2SCI740LN
(S)
0626
2SD313E
0643
RD-5.6E8
0807
ZSAB26LN
(S)
D816 ~0819
1SR34-200HM
609
2SC1740LN (S)
Q627~0630
—2SC1740LN {S)
De44~D649 = 182473HJ
808
250313 (E)
0820,0821
—152473HJ
610
ZSA933LN
(R)
0631
2SA933LN
(R)
809, 0810
2SC1740LN
(S)
0822
RO-6.2EB
R804
R805
611
2SC1740LN (S}
0632,0633
-2SC1740LN (S)
811
288507 (E)
0823~ 0826
182473
E
aor
0613
28C17410
0636 ~
0640
2SC1740LN
(S)
B12
ZSAB26LN
(S)
0827
XZ-190
0614
2SA933LN (R)
641
2SA933LN (R}
0813
28C17401N (S)
0828
1824734
Connecting diagram of Q604
Q615, O616
2SO313 E
642
2SC1740LN
(S)
0814
2SAB26LN
(S)
0829
1SR34-200VL
0617, 0618
ZSA933LN
(R)
0815,
2SC1740LN
(S)
A
24 viverernn
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(U.K)
240v
(U.S.4.)0.033
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40 1 pF +1200/400vAC
(CANADAIO.033 y+ 1209 /250VAC
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R820
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A
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bai7
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(EUROPE)
47
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AC220V
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Q807
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FS
1AT250V
cogs
Rest
(AUSTRALIA)
FE.F7 100maT250V
hi
oa23
F100
R832
AC240V
gs
470
EUROPE,
U.K. and
AUSTRALIA
GENERAL
EXPORT
U.S.A.,
CANADA
oe
ait
RNX2 10(2W)
GENERAL EXPORT, U.S.A., CANADA, JAPAN
FUSIBLE
10(2W)
EUROPE,
U.K. AUSTRALIA
R620,RE29
(
NOTES
1.
ALL
RESISTORS
ARE
% WATT,
5%, UNLESS
MARKED
O
RESISTOR
VALUES
ARE
IN OHMS
(k= 1,000 OHMS,
M=
2,
ALL
CAPACITOR
VALUES
ARE
IN MICROFARADS
(p=!
3.
APARTS
MARKED
WITH
THIS
SIGN
ARE
SAFETY
CRITI
PONENTS.
THEY
MUST
ALWAYS
BE
REPLACED
WITH
|
COMPONENTS
- REFER
TO
THE
TEAC
PARTS
LIST
AND
EXACT
REPLACEMENT.

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