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K
L
Q Q
3 7 6 3 1 5 1 5 0
+5V
CP1
47Kx6
(
1
)
(
2
)
(
3
)
0V
SOL
ON/OFF SW
R193 100
80
0V
(
80
)
CrO2 SW
76
OPEN: 0V
R192 100
0V
79
(
79
)
FWD REC INHB
CLOSE: 5.3V
Q45
R191 100
78
(
78
)
PLAY SW
PLAY: 0V
PLAY:5.0V
77
STOP: 5.3V
(
77
)
CAP M
76
SOL
D58
75
(
75
)
S DATA
74
(
74
)
S BUSY
73
NC(VDD=5V)
5.3V
72
+5V
VDD(5V)
R230
71
-25V
Vfdp(-30V)
47K
70
-26.2V
(
70
)
G8
+
69
-22.5V
(
69
)
G7
Q46
68
(
68
)
G6
67
(
67
)
G5
-25.7V
66
(
66
)
G4
-22.1V
65
C132
(
65
)
G3
100u10
+
C104
0.01
C158
0.01
T E
L
1 3 9 4 2 2 9 6 5 1 3
+14V
D22
D21
D20
+
5.0V AVR
+12V
5.3V
Q7
+5V
5.8V
+
5.8V
+
0.6V
+
-25V
-26.2V
+5V
0V
5.3V
8
5
7
+
6
4
IC7
(1/2)
5.3V
R134
1K
Q11
0V
RESET
w w w
+12V
.
CAUTION: For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to parts list).
indicates safety critical components. For continued
protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of
electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are
acceptably insulated from the supply circuit) before the appliance is returned to the customer.
M
N
+5V
0V
C133
100P
C134 100P
C135 100P
4.3V
25
NC
26
NC
27
LEVEL L
0V
LEO ON: 0.3V
OFF: 5.3V
28
5.3V
LEVEL R
OPEN: 5.3V
CLOSE: 0V
29
CE
4.9V
30
RESET
5.3V
X1 8MHz
IC1
31
X1
u-COM
2.4V
(BOTTOM VIEW)
32
X2
2.6V
33
GND
34
DOL OFF
35
DOL B/C
36
DOL R/P
37
-22.4V
MPX ON
-4.6V
-11.0V
-21.5V
38
-25.1V
-11.8V
NOR/OSC
39
NOR:5.2V
-7.7V
-8.0V
-25.7V
NOR
40
CrO2
Cr02: 5.2V
-26.0V
13.5V
29.5V
Q2
+14V
+B
DESTINATION
+
Q1
COUNTRY
-19.0V
GENERAL MARKET M
R101
AUSTRALIA
D2
R102
5.6K
CHINA
C115
U.K.
5.6K
47u35
14V
EUROPE
Q3
14.7V
+
AVR
30.0V
13.0V
D1
R109
56K
+B
+
~
~
-
11.8V
+
Q5
R105
CN7
E1
+B
4.7
29.0V
4
+
1/4W
Q4
3
2
12.5V
C112
Q6
1
47u16
R107
WH1
10K
C119
11.3V
12V
10u50
13.0V
AVR
0.6V
+
C120
10u50
+
25.0V
+
-16.0V
R113
22K
R115
-26.8V
100
+
C121
R114
47u50
-13.8V
-19.0V
100
-40.5V
-25V
+
AVR
21.0V
D18
D17
D16 D15
-B
-50.5V
Q8
+5V
17.9V
5.1V
IC10
D23
OUTIN
MOTOR/SOLENOID
R125
GND
CONTROL
2.7V
5.0V
+
PLAY: 0.7V STOP: 0V
100K
R127
RESET
4.7K
Q9
PLAY: 0V
3
IC
STOP
1
R123
: 11.3V
2
150K
IC7
C128
R129
1u50
Q10
(2/2)
4.7K
4.4V
+
(
76
)
PH
AMP
11.8V
+12V
x
a o
y
i
The DC voltage is an actual reading measured with a high
impedance type voltmeter with a cassette loaded at playback
mode. The measurement value may vary depending on the
measuring instruments used or on the product. Bias circuit DC
voltage is measured while in the record mode.
O
P
Q12
8
+5V
CN3
LED
1
F1
ON/
2
F2
OFF
R208
5.3V
3
POW-LED
560
+5V
4
+5V
(
18
)
5
OTE-LED
KR0
(
21
)
6
(
20
KR1
)
7
(
19
8
KR2
)
(
70
)
9
G8
R218
47K
(
69
)
10
G7
(
68
)
11
G6
R219
(
67
)
12
G5
47K
27
(
66
)
13
G4
28
(
65
)
14
G3
C110
(
64
)
15
G2
0.01
C138
(
63
)
16
G1
0.022
(
62
)
17
S U
(
61
)
18
S T
(
60
)
19
S S
(
59
)
20
S A
(
58
)
21
S B
(
57
)
22
S K
(
56
)
23
S J
34
(
55
)
24
S D
35
(
54
)
25
S E
(X28- ) (F/7)
36
(
53
)
26
S R
37
(
52
)
27
S P
38
(
51
)
28
S C
39
(
50
)
29
S H
40
(
49
)
30
S F
(
48
)
31
S G
(
47
)
32
S M
(
46
)
33
S N
E2
WH2
E3
(X28- )
(E/7)
(X28- ) (D/7)
Q
Q
3
7
6
3
POWER
UNIT No.
S17
W122
ABB.
S16
X28-2940-20
YES
NO
X
X28-2940-71
NO
YES
C100
C
6800P
T
X28-2892-70
NO
YES
E
CN4
(X28- ) (C/7)
S N 33
X
W122
S M
32
S G
31
120V
240V
S F
30
4
S H
29
3
X
S17
S C
28
2
S P
27
1
CN1
S R
26
1
T.F
R220
2
S E
25
4.7
(M)
: AC110-120V/
1/4W
S D
24
220-240V~
50/60Hz
S J
23
(C)
: AC220V~ 50Hz
S K
22
(X)
: AC240V~ 50Hz
(T,E)
: AC230V~ 50Hz
S B
21
S A
20
CN2
S S 19
(
79
)
1
FWD REC
S T
18
(
78
)
2
PLAY
S U
17
3
GND
G1
16
(
80
)
4
CrO2
G2 15
5
MOTOR-
G3
14
6
COM GND
G4 13
+12V
7
+12V
G5 12
8
MOTOR B
G6 11
TAPE
SPEED
G7 10
R137
MOTOR A
9
G8 9
10K
PHOTO OUT
10
KR2
8
SOL
11
KR1 7
RVS REC
(
1
)
12
KRO
6
PACK
(
2
)
13
OTE-LED
5
METAL
(
3
)
14
+5V
4
NC
15
POW-LED
3
F2 2
F1 1
u 1 6 3
.
DOLBY and the double-D symbol are trademarks of
Dolby Laboratories Licensing Corporation. Noise
reduction circuit made under license from Dolby
Laboratories Licensing Corporation.
Q
R
2
4
9
9
(X28- ) (B/7)
53
F
52
F
51
NP
50
G8
G8
49
G7
G7
48
G6
G6
47
G5
G5
46
G4
G4
45
G3
G3
44
G2
G2
43
G1
G1
42
NP
41
NP
40
NP
39
NP
38
NP
37
NP
36
NP
35
NP
34
NP
33
NP
32
NP
31
NP
30
NP
29
NP
28
NP
27
NP
26
NP
25
NP
24
NP
23
NP
22
NP
21
NP
20
SEG U
S U
19
SEG T
S T
1
5
1
5
0
8
9
2
18
SEG S
S S
17
SEG A
S A
16
SEG B
S B
E4
15
SEG K
S K
WH3
14
SEG J
S J
13
SEG D
S D
E5
12
S N
SEG E
S E
11
S M
SEG R
S G
S R
10
S F
SEG P
S H
S P
9
S C
SEG C
S P
S C
8
SEG H
S R
S H
7
S E
SEG F
S D
S F
6
S J
SEG G
S G
5.3V
S K
5
SEG M
S M
S B
4
SEG N
S N
S A
3
NP
S S
2
F
S T
1
S U
F
G1
G2
G3
G4
G5
G6
G7
G8
AC5.0V
m
c o
Y26-4290-50
S
T
2
8
9
9
IC1
: CXP82324-386Q
IC2
: HA12170NT
IC3
: UPC1297CA
IC4
: TC9413P
IC5
: BA6209
IC6
: BA6138
IC7
: BA10393
IC8
: BA328
IC9
: CXA1198AP
IC10
: PST993D-T
IC11
: NJM4565L-D
Q1,4,11,25,26,46
: 2SC3311A(Q,R) or 2SC245B(Y,GR) or
2SC2785(F,E) or 2SC1740S(Q,R)
Q2,5
: 2SD2061(E,F) or 2SD2012
Q3,7,9,10
: 2SC3246
Q6,43
: 2SC3940A(R,S) or 2SD863(E,F)
Q8
: 2SA1535A
Q12-16,27-29,32-42,44,45
: UN4212 or DTC124ESA
Q17-20,23,24
: 2SD1450(S,T)
Q30,31
: UN4112 or DTA124ESA
D1
: KBP02ML-6127
D2
: RD13ES(B2) or HZS13N(B2) or
UZ-13BSB or MTZJ13(B)
D3,10
: RD3.9ES(B2) or HZS3.9N(B2)
UZ-3.9BSB or MTZJ3.9(B)
D4,7
: RD11ES(B2) or HZS11N(B2) or
UZ-11BSB or MTZJ11(B)
D5,28
: RD5.1ES(B2) or HZS5.1N(B2) or
UZ-5.1BSB or MTZJ5.1(B)
D6
: RD16ES(B2) or HZS16N(B2) or
UZ-16BSB or MTZJ16(B)
D8,12
: RD6.8ES(B2) or HZS6.BN(B2) or
UZ-6.8BSB or MTZJ6.8(B)
D9
: RD2.7ES(B2) or HZS2.7N(B2) or
UZ-2.7BSB or MTZJ2.7(B)
D11
: RD8.2ES(B2) or HZS82N(B2)
UZ-8.2BSB or MTZJ8.2(B)
D13-19
: HSS104A or 1SS131
D20-27,29-51,54-59
: HSS104 or 1SS133
D52,53
: B30-2513-05
ED1
: CM1508C
4
9
8
2
9
9
b
c
k
n
m
j
a
p
d
h
g
r
f
e
X-S300(M)
X-S300
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