Technics RS-630USD

SCHEMATIC DIAGRAM MODEL RS-630USD
|
|
i Trl 281327 Tr5 2SC644 Tr9 2SC828 Trl) 28828 1113 2SC828 Tr31 2SK30AD Tr15 2SC828 = Tr 17 2SA564 Tr19 28C828 Tr21 2801318 |
j
LINE
IN
;
L
47K
| R33
R93 2.2K
R91 bk R109
580K | 10.2 120K’
. , i 20 2 ty
63
L0av : : J8
lol Os : ; DIN SOCKET
8.2K C57 0.1
|
|
|
:
,
RIS
|
aS
|
| ;
|
C51 0.1
86v7| R103. C59
9.0V C D3 82K 1610
R69
ISK
EQAO108S
0.28 1
+
.
+ ‘ : .! A +
giv
4h
C9
48
b3
R67
i
x
D5
Z
4 R99 C67
? . RIL R121] sovo.
|
C17 1000P — C19 0.027
RECORD/ ;
PLAYBACK VR IOK(B) R29 68K C97 270P_RISS 6.8K
HEAD E
Tr27 2SC828
Te7 280828 QL
ie)
R31 4.7K
114 2801327 f ~s10-2
I
|
!
Lb
$2-8
Tr2 2SC1327 é¢
}
Tr6
2SC644
Tr10
2SC828
Tr12
2SC828
Tr
14
2SC828
1132
2SK30AD
Tr16
280828
1118
2SA564
Tr
20
2SC828
Tr
26
2SC828
Tr30
2SC828
000
R34 47K 22 23] 24)
I R36 1.5K
|
|
|
|
|
|
|
|
| R90 220
|
|
I
:
R92
| H ‘680K
2 ;
|
R82
47K
10av
x
i
J7
|
48
00087
ok
;
a?
HEADPHONES
| Tat 9) a
|
R104
C60
| R98 B.2KL 8.2K
|
|
|
‘ ; OK.
| aus L
yy | 100> Ci8 1000P 20 0.027 R126 220K
RECORD/ “xB
te P| | VR2"10K(B) _R30_68K
1B) R32 4.7K
C201 5=C202
27P 27P
NOTE:
. S1-1~S1-7,$2-1~$2-7
. $3-1, $3-2
. S4-
R207 150(¥ew) «R208 120112W) TERMINATIONS (BOTTOM VIEW)
-Record/playback select switch (shown in playback position).
- Dolby noise reduction switch (shown in OUT position).
- Bias select switch (shown in LOW position).
- Equalization select switch (shown in 120xS position).
Peak signal check switch (shown in OUT position).
Muting switch (OFF at PLAY & REC position).
- Motor ON/OFF switch (shown in ON position).
- Power ON/OFF switch (shown in ON position).
- Input select switch (shown in MIC position).
Playback equalizer adjustment VR.
Playback gain adjustment VR.
Input level control.
Dolby NR adjustment VR.
- Output level control.
Level meter adjustment VR.
Recording level adjustment VR.
2801327, 2sceaa
2SC828,
2SA564
2Sk30AD
35.
1
2
3.
281318 2
5. S61, 86-2
6
7
8
9
. $7-1,$7-2
. $9-1,$9.2
. $10-1, $10-2
10. VR1,2-
F 11. VR3,4-
Cs a8 s¢ 8 12. VR5,6-
13. VR7~10-
14, VR11, 12-
15. VR13, 14-
AC7.55V 2 16. VR15, 16-
1201 17. VR18 Level meter balance adjustment VR.
Tr
201,
Tr
202
18.
L3,4-
Recording
equalizer
adjustment
coil.
TI,2 ad
19. L5, 6: --» Bias current adjustment coil.
0.1
10
28013472
20.
Resistor
values
are
in
ohm
(2),
1/4
watt
unless
specified
otherwise.
K=1,0009.
|
le
21.
Capacitor
values
are
in
microfarads
(uF)
unless
specified
otherwise.
J
P=Pico-farads.
aso
ora
a
a
OO
ee
ee
ee
ee
Ee
Ee
Ee
Eee
Ee
EE
EE
22.
Voltage
values
are
under
no
signal
conditions
with
volume
at
minimum
position.
The upper values should be measured during recording and the lower values during playback.
23. The mark (¥) shows test point. e.g. Y=Test point 1.
24. For parts which are shaded ( , only parts specified ‘by the manufacturer should be used
for replacement in critical circuit.
13.4¥
ACIB.LY 7
AC18.5V
ERASE
HEAD
lORORC) eee