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Circuit Diagram - Sanyo MR-909 Service Manual

Solid state stereophonic tape recorder 4-track, 2-channel system

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(CABINET)
Auxtnea
[5]
€.H
CIRCUIT
DIAGRAM
R27
1.2K
R28
1
E | c23 "S&S
=> (C73) 0.002 F
Io
R29 18
(
CB
200
»
VRI-L
SKB
-T12-4
288303
12-2
288186
R65
2.2K
¥RI-5
500
R51 100K
vv
O
60
a i
R52
220
VR2-2
1OKA
R70
470
R53
10
()
VR2.1
SKB
YJ
o
%
Tr-7 & Tr-B
288272x2
wm
wn
s
R107
24 (SW)
=
4
OV.
R103
150
6
-s
ie.
pa
oS
%
U
DESCRIPTION
LUST
STOCK
PARTS
No.
No.
NAME
}
R-31 582
Panel
2
R~ 27036
Corner
Proof
3
R-44067
Spacer
4
R~36167
Cover
5
R-44224
Cop
6
R-237460
Fixing meto!
7
R-S81006
Fixing metal
8
R-$2124
Jock
9
R-S20280
Socket
40
R- 36359
Name
Plate
VW
R-$1227
Plug
12
R-S8733
Lid
(complete)
13
R-464000
Cabinet
14
R-V12179
Chassis
15
R-51038
Fuse
holder
16
R-C9128
Electrolytic
copacitar
17
R-26999
Nome
plate
18
R-44067
Spocer
19
R-44155
Spacer
20
2-361 40
Tape
21
R-27624
Decoration
metal
22
R-32213
Washer
23
R-24889
Base
24
R-S8947
Rear Lid (complete)
25
R-46401
Speaker
box
26
R-27037
Decoration
metal
27
R- 3616}
Tape
=
28
R-44222
Stopper
29
R-S6294
Speaker
3
R-211000
Ponei
3)
R-22436
Ring
3
R-39130
Knob
_
33
R-391 48
Decoration
metal
34
R~39030
Button
3S
R-261006
Decoration
metal
36
R-S4274
See-saw
switch
37
R~35352
Cover
38
R~S213]
Jack
a9
R-$2123
Jock
40)
R -35251
Jack
4)
R-38057
Sign board
42
R-32433
Base
43
R-24887
Fixing metol
44
R-S8545
Hundle
(complete)
45
R-32435
Bose
46
R $5527
Meter
47
R-S8950
Head
cover
(complete)
48
R.-S8949
Head
cover
(complete)
49
R-46402
Speaker box
50
Felt
$)
R-S8948
Knob
(complete)
§2
R-112178
Chassis
53
felt
54
R-23742
Decoration
metat
§§
R~12246
Coil
spring
506
R-14144
Special
screw
57
R-112174
Lever
58
R-112185
Lever
;
59
R- 41365
Printed
witing board
60
R~112186
Adjusting
metal
61
R-112177
Mounting
plate
62
R-28085
Heat
sink
63
R-46396
Printed
wiring boord
64
R-12130
Hinge
65
R-12129
Hinge
10)
11)
12)
13)
14)
S1-+-S6, S7+-$12, $13.
(PLAY Position)
Recording
SW.
S14 (PLAY and RECORD Position) Switch
ON
at Record
and
Play.
|
S15 (Stereo Position)
Stereo, Chan. |
Monaural
Changing
SW.
S16 (7% ips Speed Position)
Compensative
SW.
$17 (117V Position) Power Line Changing
SW.
S18 (ON Position) Power
SW.
S19 (ON Position) Motor
SW,
OFF at Stop Position.
VR1-1
VR2-1
(5k B type) Tone
Control
at Play.
|
Switch
VR1-2
VR2-2
(10k A type;
VR2-2
only
Connected
with $15)
Volume Control at Play,
Level
Control
at Record.
VR1-3 VR2-3
(10k B type Fixed)
Gain
Control
at
Record.
VR1-4 VR2-4
(10k B type Fixed)
Input
Control
of
Level
Indicator.
VR1-5 VR2-5
(500k B type Fixed)
Bias
Current
Control.
All Resistance
Values
in Ohms.
Ohms
All Capacitances with Decimal Values are
in
"uF?,
ose "SP"? p= "pF? = "per"
k=1000
5-20001
Printed in Japan

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