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SPP-N1025/N1026
5-6.
PRINTED WIRING BOARD – BASE MAIN Board –
1
2
BASE MAIN BOARD
A
C58
D8
B
L7
L8
F2
C
J7
LINE
6
4
2
1
3
TRANSFORMER
5
D
J3
Z5
+
–
DC IN 9V
EC20
+
E
L1
U5
F
G
• Semiconductor Location
Ref. No.
Location
D5
B-5
H
D7
C-3
D8
B-2
D9
D-10
D10
D-10
D11
E-10
D13
D-6
D14
C-3
I
D15
C-3
D16
C-3
3
4
5
R134
R133
R98
R129
R135
C57
R22
C12
R131
C11
R23
R130
R21
C15
D5
K
R32
R28
K/A
A
R35
R29
R34
C16
R132
C22
U8
D14
R2
C21
D16
D7
D15
EC7
T2
LINE
1
14
R7
R19
Q1
R20
E C B
R15
7
8
U2
R3
R17
C2
R12
EC3
R14
R66
Z2
R11
C6
EC5
R16
C19
EC2
R31
R92
C8
C26
7
R8
L3
R91
R1
R94
EC6
R96
8
C24
1
1
12
J2
3
A1
RF
UNIT
Ref. No.
Location
Ref. No.
Location
Q1
D-3
U6
B-9
Q2
B-7
U7
D-9
Q4
B-8
U8
C-4
Q5
F-9
U13
E-5
Q6
E-9
U14
H-7
Q8
B-7
Z2
E-3
U2
D-5
Z3
B-7
U3
B-6
Z4
B-7
U4
G-8
Z5
D-2
U5
F-3
6
7
Z3
Z4 R52
13
12
R42
U3
Q8
Q2
X1
24
1
D13
R30
C18
EC4
64
R27
1
R9
C10
C41
R104
1
R54
U13
14
EC1
C48
+
EC10
R95
C25
15
EC16
EC11
EC15
C53
C52
R84
C38
EC14
28
+
EC18
R79
+
EC19
+
R83
8
1
C39
R82
5
4
EC22
R86
R10
U14
R85
C54
EC13
18
18
8
9
10
L5
U6
5
4
R26
R61
R49
1
8
Q4
R48
L6
R88
C55
R87
49
48
R63
R72
R73
33
U7
32
D10
D9
D11
X2
16
17
R58
R36
R24
C31
C28
C32
Q6
Q5
R75
R51
R74
EC8
EC9
C51
14
C43
U4
R119
R47
C27
R64
R113
C50
R112
1
R67
R65
C42
R111
R109
C47
C44
R116
C49
C45
C46
R114
R78
EC12
R118
SW1
RINGER
HIGH
LOW
OFF
35-4752-04-
11
12
CHARGE
TERMINAL
MIC101
C34
MIC
R121
22
R120
EC17
A
R123
R107
BASE KEY
BOARD
R122
J2
(Page 19)
R76
R124
R125
1
J4
00
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