— 27 —
IC9
MC34119D
VO2
Gnd
Vcc
VO1
CD
FC2
FC1
Vin
1
2
3
4
8
7
6
5
IC4
D16559
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
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
CD11
CD12
CD13
CD14
CD15
VCC
GND
GPIO15
GPIO14
GPIO13
GPIO12
GPIO11
GPIO10
GPIO9
GPIO8
GPIO7
GPIO6
GPIO5
GPIO4
GPIO3
GPIO2
GPIO1
GPIO0
PDN
RSTN
GND
XIN
XOUT
VRTC
VCCPLL
CA5
CA6
CA7
CA8
CA9
CA10
CA11
CA12
CA13
CA14
CA15
VCC
GND
RASN
CASN0
CASN1
DRMWRN
EGPIO4
EGPIO5
EGPIO6
EGPIO7
EGPIO8
EGPIO9
EGPIO10
EGPIO11
EGPIO12
EGPIO13
GND
EGPIO14
EGPIO15
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
GNDPA
SPOUTP
SPOUTN
VCCPA
HSOUT
LOUT
VCCA
LIN
LGS
DCIN
CIDIN
CIDIP
CIDO
HMGS
HMIN
GNDA
MIN
MGS
VREF
GNDPLL
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
CA4
CA3
CA2
CA1
CA0
DWRN
DRDN
VCC
GND
CD0
CD1
CD2
CD3
CD4
CD5
CD6
CD7
CD8
CD9
CD10
IC7
TK11237
CONT
GND
NOISE BYPASS
1
2
3
6
5
4
V
IN
GND
V
OUT
Vss
CE
RE
R/B
GND
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
I/O7
I/O6
I/O5
I/O4
Vcc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
Vss
CLE
ALE
WE
WP
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
I/O0
I/O1
I/O2
I/O3
Vss
V
DET
2
5
V
IN
2
4
1
V
DET
1
2
V
IN
1
3
V
SS
IC605
XC612N3328MR
IC8
XC612N4540MR
IC6
K9F4008WOA
1
2
3
4
5
V
IN
V
OUT
CONT
GND
NOI SE BYP ASS
IC602
NJM2870F03
2
3
1
IC603
MB89538LPFM
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
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
31
32
P45/INT2
5
P44/INT2
4
P43/INT2
2
P42/INT2
3
P41/INT2
1
P41/EC/
INT20
P37/PT01
P36/WTO
Vcc
P35/PWC
P34
P33/S11(
U11)
P32/SO1(
U01)
P31/SCK1
(UCK1)
P30/PPG
03/MC0
NC
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P46/INT26
P47/INT27
P50
P51
P52
P53
P54
P55
P56
P57
Vcc
Vcc
Vss
P60/INT10
P61/INT11
P62/INT12
P63/INT1
3
P64
RST
MOD0
MOD1
X0
X1
Vss
P27
P26
P25
P24
P23
P22
P21
P20/PWC
K
MB89530U Series
( FPT-6 4P-M03 )
( FPT-6 4P-M09 )
IC609
RH5RE32AA
Summary of Contents for FT-8981
Page 1: ...SERVICE MANUAL PUBLISHED IN JAPAN May 2001 FILE NO 2B0 200104 FT 8981 CORDLESS TELEPHONE ...
Page 9: ... 8 BLOCK DIAGRAMS Base Unit ...
Page 10: ... 9 Handset ...
Page 12: ...Handset 12 13 FT8981 Sche p65 01 05 25 13 21 Page 9 Adobe PageMaker 6 5J Win ...
Page 27: ... 28 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 28: ... 29 Handset Main PCB ...
Page 29: ... 30 WIRING DIAGRAMS Base Unit ...
Page 30: ... 31 Handset ...