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Schematic Diagram - Technics SH-DV250 Service Manual

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SCHEMATIC DIAGRAM-1

A
FL CIRCUIT
FL601(A2BD00000041)
1 2
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
A B C D E
-27V
A B C D E F G
D653
MA165TA
-22.5V
-22.3V
-22.5V
-22V
-21.8V
-22.5V
-24.9V
-27V
1.2V
O
0V
Q
2.7V
R
R614
1K
3.2V
r
R615
1K
2.1V
q
1.9V
p
R613
5.6K
4.9V
1.7V
0V
C607
C608
R604
10K
R605
10K
D602
1SS291TA
NOTE:
The number which noted at the connectors on the schematic diagram as
"SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
FL DISPLAY
F G
H I J K L M N O P
Q
R S T U V
H I
J K L M N O P Q R
S
T
80
79
78
77
76
75
74
73
72
71
70
69
68
81
7G
82
4V
6G
83
0V
5G
84
-30V
4G
85
T
16ms.
3G
86
2G
87
1G
88
0V
T
16ms.
V
89
EE
CD & DECK DI
90
IC601
CD & DECK DO
91
C2BBGF000251
4.8V
CD & DECK CK
92
SYSTEM CONTROL/
0V
FL DRIVE
NC
93
T
16ms.
CD REQ
94
4.4V
DECK REQ
95
CD & DECK CS
96
1.2V
AVss
97
T
16ms.
VREF
98
REG IN0
99
REG IN1
100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
C606
470P
470P
220P
W
n m k
j
i h
f e d b a Z
44 45
g
W
X
Y
Z
a
b
d
e
f
h
i
j
m
D610
MA165TA
D609
C625
MA165TA
6.3V100
U
V W X Y Z a b d e
f
g h
i
j m n
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
4V
0V
-30V
4.8V
4.8V
0V
T
12ms.
4.8V
0V
T
290
s.
4.8V
0V
T
12ms.
3.4V
3.6V
P-P
P-P
F=4MHz
F=4MHz
L601
10
H
1
3
X601
2
(4MHz)
5.6V
Y X
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
46 47
48
49 50
53
54
n p q
r
t
R664
R663
330
330
p q
r
t
R676
100K
R675
100K
R677
100K
R678
100K
R679
100K
R680
100K
R671
100K
R672
100K
R673
100K
R674
100K
51
-22.2V
P4
50
-22.2V
P3
49
-22.5V
P2
48
-22.1V
P1
47
0V
LED VRG
46
0V
LED VRO
45
0V
LED MRG
44
0V
LED MRO
43
0V
LED 3DG
42
0V
LED 3DO
41
0V
LED SPG
40
0V
LED SPO
39
0V
LED DPL
38
0V
LED SSS
37
1.7V
R682
0
R611
SA DI
36
1.7V
SA DO
35
4.4V
R610
3.3K
SA CK
34
1.3V
R617
SA REQ
33
1K
2.1V
R616
1K
SYNC
32
0V
BR93 CK
31
R643
1K
R644
1K
D604
1SS291TA
Q601
UN4211TA
RESET
4.7V
0V
A
B
C
D
E
F
G
H
I
J
K
L
100
M
N
P
S
T
U
g
V

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