Table of Contents
Advertisement
SPP-904
5-6.
PRINTED WIRING BOARD – BASE MAIN Section –
• Semiconductor
1
Location
Ref. No.
Location
D1
G-9
A
D3
A-5
D4
C-3
D6
G-10
D7
G-11
D9
D-4
D10
C-12
D11
D-6
D13
E-3
B
J1
LINE
IC1
C-8
IC3
G-8
6
IC4
D-3
4
2
IC5
B-11
1
IC6
D-11
3
5
C
Q1
F-7
Q2
F-9
Q3
A-8
Q4
C-7
Q6
E-12
J2
Q7
D-5
Q8
E-11
–
+
Q9
D-11
DC IN 9V
D
Q10
D-6
Q11
E-3
Q12
F-6
E
F
(
PRINTED
BP(ANT)
G
ANT1
H
05
2
4
3
BASE MAIN BOARD
C23
D4
R37
1
2
C80
IC4
D9
R58
Q7
4
3
C45
R59
Q11
TP(ANT)
R70
L50
(
COIL
ANT
GND
TP(GND)
VCC
LE
C72
C82
BASE RF BOARD
(
MOUNTED ON THE CONDUCTOR
DATA
SIDE OF BASE MAIN BOARD
CLK
(SHIELD CASE)
A
BASE RF BOARD
(Page 20)
5
6
7
T1
LINE
TRANSFORMER
R23
R18
R22
C39
R36
C35
C61
C38
R38
C54
R47
R41
R33
RL1
R68
C14
R48
R76
R69
R40
C78
R75
C79
R87
C49
R99
R60
R52
RT3
Q1
R27
B C E
R1
L2
R26
C1
MOD
C24
R28
C25
C68
TX
1
R92
R61
C30
GND
C66
C67
2
FT1
1
16
LO
3
X2
GND
(
C64
IC3
IF
1
8
9
C65
R81
FT2
5
4
C99
B
BASE RF BOARD
(Page 20)
22
22
8
9
10
R90
R14
C34
R88
R34
C46
R17
R98
R97
36
R19
C18
R42
37
C19
R20
R46
R91
R21
R45
IC5
R30
R84
C63
C74
48
C71
R86
C31
R70
1
13
12
R53
C44
R71
IC1
C12
C43
X1
R15
R11
24
1
C57
C75
C17
R89
R13
R16
C11
R9
R54
RT2
R8
C9
R10
R5
C8
C6
R43
R55
R2
RT1
C2
R77
D1
R44
R3
C3
R4
C4
C7
C5
R6
TP(DISCRI)
D6
D7
CHARGE
LINE
11
12
13
C59
+
25
R72
24
R95
R96
R56
R78
R94
13
R93
12
C60
R57
C48
C58
R80
R74
3
1
R64
R79
S3
FLASH
IC6
2
R66
Q6
B C E
3
R62
2
R63
R67
1
R39
S2
DIAL MODE
BLK
TONE
PULSE
C53
RED
S1
HANDSET
LOCATOR
1-675-272-
11
+
–
(11)
CHARGE TERMINAL
Advertisement
Table of Contents
