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SPP-A1070/A1071
5-4.
PRINTED WIRING BOARD – BASE MAIN Board –
1
2
BASE MAIN BOARD
A
D6
B
L1
L2
C
J1
LINE
6
4
2
1
3
5
D
J3
–
+
DC IN 9V
E
U5
1
3
F
G
• Semiconductor Location
Ref. No.
Location
D1
C-3
D2
C-3
H
D3
C-3
D4
C-3
D5
B-8
D6
B-2
D7
B-5
D8
B-3
D9
B-3
D10
B-3
D11
A-9
I
D12
A-9
Q1
C-5
Q2
A-10
3
4
C36
C13
U7
C14
R25
D8
R55
R24
R54
R26
R56
F1
R27
D7
D10
D9
R57
R69
D3
R68
D1
R12
R79
D2
R6
U1
D4
Q1
T1
R1
R4
L5
L7
L8
LINE
R5
C10
TRANSFORMER
1
3
C25
R20
Z6
R3
EC9
L3
+
5
4
Z2
L4
EC6
EC5
R67
1
J2
A1
RF
UNIT
Ref. No.
Location
Ref. No.
Location
Q3
B-9
U4
C-9
Q4
B-9
U5
F-2
Q5
D-8
U6
D-10
Q6
D-8
U7
A-4
Q7
B-9
U9
G-8
Q8
B-8
U10
F-9
Q9
C-5
Q10
H-9
Z1
A-9
Q11
H-9
Z2
D-5
Q12
H-9
Z3
A-8
Q13
G-7
Z4
A-8
Z5
B-10
U1
C-4
Z6
D-2
U2
D-7
U3
B-7
5
6
7
C11
C15
C35
R22
13
R28
R74
U3
C21
R70
C22
R32
R71
R35
K
R34
A
R77
24
K
R11
R52
C9
Q9
EC2
R72
C34
R18
R7
C4
R8
R19
+
1
14
C19
R31
C6
R17
EC4
EC7
C2
R14
+
EC3
C3
R9
+
R10
R16
7
8
R30
U2
C18
R82
EC1
C8
+
R73
R37
12
EC14
+
R81
C27
Q13
R83
R78
R76
R104
14
14
8
9
10
Z1
D11
A/K
Z3
D12
R36
Q2
12
A
K
R60
R61
Z4
Q7
E C B
R39
Q3
Q8
X1
E C B
R63
R62
K
A
E C B
Q4
D5
A/K
EC8
1
R47
+
44
34
R42
1
33
R48
U4
R49
11
C30
R51
23
12
22
R50
1
R65
C28
R58
R46
X2
R64
4
Q6
R45
R43
C32
R44
Q5
18
U10
R93
R94
1
16
R92
R96
R95
C40
R98
R97
R89
8
9
R90
C39
R106
R103
R100
5
4
R99
R102
U9
R101
C42
8
1
Q11
C44
R91
1
C41
Q10
J4
C43
R2
Q12
EC11
EC12
EC10
EC13
+
+
+
+
35-4747-02-
I-TAD
UNIT
11
BLK
L6
Z5
CHARGE
CHARGE
TERMINAL
TERMINAL
RED
8
U6
5
C48
MIC101
MIC
27
22
A
BASE KEY
BOARD
J2
(Page 16)
1
J6
1
J5
00
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