SPP-A941
D3
B-6
D4
B-12
D8
B-4
D9
B-4
D10
B-4
D11
B-4
D12
B-4
D16
C-3
D50
G-9
Z12
E-3
Z13
E-3
Q1
I-10
Q2
I-6
Q3
I-6
Q4
I-9
Q5
H-9
Q6
I-4
Q8
I-14
Q9
I-14
Q10
I-14
Q12
C-11
Q15
B-12
Q16
E-12
Q17
D-5
U1
H-8
U2
C-6
U3
J-7
U4
H-3
U5
H-6
U6
I-13
U7
B-5
U8
D-5
U9
F-4
U10
G-12
– 27 –
– 28 –
5-7.
PRINTED WIRING BOARD – BASE MAIN Board –
• Semiconductor
Location
Ref. No.
Location
L21
L1
U9
3
1
2
1
3
4
4
1
3
2
L27
J7
L2
L3
L28
L4
L23
R78
27
J3
1
1
22
18
1
12
1
R108
SW1
SW1
DIAL MODE
T P
VR2
VR1
D12
D11
D9
D10
D8
F1
L26
T1
L25
X1
R2
R3
R63
R15
U8
U7
+
ATE
–
EC5
+
EC4
+
EC11
+
EC10
J1
J4
+
EC1
+
EC6
+
EC3
+
EC2
+
EC133
+
EC150
+
EC137
+
EC134
+
EC132
+
C15
C131
05
D
BASE KEY
BOARD
C
BASE I-TAD BOARD
HD1
1-676-748-
B
BASE I-TAD BOARD
HD2
A
BASE RF BOARD
C97
C46
C95
TP15(RX LOOP VOLTAGE)
TP14 (TX LOOP VOLTAGE)
TP16 (RX AUDIO)
C99
R140
R19
R5
R4
C4
R6
5
8
4
1
R8
U2
R9
R138
R139
R121
R132
C150
R122
R141
C24
R149
R142
C1
R143
C2
R7
R69
R32
R20
R104
R51
R97
D4
K A K
Q15
B C E
Q12
B C E
Q16
E C B
Q4
E C B
Q5
B C E
Q1
B C E
Q2
Q3
B C E
B C E
R71
R70
R81
R16
R80
R17
C48
9
16
8
1
C45
R82
14
1
15
U1
28
R21
C51
R38
C10
R105
R27
C9
C8
R39
R67
C6
R72
R95
R85
C38
C39
R91
C41
R60
C28
C26
R89
C40
R90
R86
R93
C7
C30
R68
C29
C31
8
14
U5
7
1
R23
R47
R58
C22
R77
R61
R62
R26
C27
C35
R76
C32
R75
C34
C17
R53
C18
C19
R54
R57
1
12
24
U4
13
R52
R56
C20
C25
R55
R59
C136
C135
C52
C23
C16
C33
R74
C12
C53
R48
C13
R49
R50
C14
R92
C50
R22
R30
R46
R241
R73
R84
R64
C5
C36
C37
R66
R65
R44
R43
R42
R41
R40
R37
R36
R34
R35
R45
C11
5
8
U3
4
1
R29
R25
R33
R31
R96
R14
R13
R12
R11
R10
U10
R1
C49
R100
R97
U6
R28
R99
R102
C3
C44
R101
C42
5
8
4
1
C43
R107
R106
R98
R103
Q9
E C B
Q10
E C B
Q8
E C B
D3
K A K
D16
K
A K
A K
A
Z12
Z13
Q6
E C B
E C B
Q17
5
3
1
2
4
6
DC IN 9V
J8
–
+
BASE MAIN BOARD
CHARGE
TERMINAL
MIC1
MIC
EC9
+
EC8
+
LINE
K
15
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
11
J2
R150
D50
(Page 24)
(Page 32)
(Page 32)
(Page 35)
Содержание SPP-A941 - Cordless Telephone With Answering System
Страница 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...
Страница 4: ... 4 ...
Страница 5: ... 5 ...
Страница 6: ... 6 ...
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Страница 8: ... 8 ...
Страница 9: ... 9 ...
Страница 10: ... 10 ...
Страница 21: ...SPP A941 25 26 5 6 SCHEMATIC DIAGRAM BASE RF Board See page 43 for IC Block Diagrams Page 30 ...
Страница 25: ...SPP A941 33 34 5 10 SCHEMATIC DIAGRAM BASE I TAD Board See page 31 for Waveform Page 30 Page 30 ...
Страница 28: ...SPP A941 39 40 5 14 SCHEMATIC DIAGRAM HAND RF Board See page 43 for IC Block Diagrams Page 42 ...