Read Panasonic KX-FT982CA-B / KX-FT984CA-B / KX-FT988CA-B (serv.man2) Service Manual Supplement online
4
KX-FT982CA-B / KX-FT984CA-B / KX-FT988CA-B
KX-FT982CA-B/KX-FT984CA-B : Di
g
ital Board
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)
2/4
(14)
(15)
(16)
(18)
(17)
(19)
(20)
(21)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(22)
(11)
(10)
(10)
(12)
(13)
(a)
(b) (c)
(i)
(e) (f)
(g)
(h)
(j) (k)
(n) (p)
(q)
(r)
(d)
(m)
㪝㪘㪯㩷㪫㪯
㪝㪘㪯㩷㪩㪯
+
-
+
-
D[0]
D[6]
D[7]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
RBA[0]
RBA[1]
RBA[2]
RBA[3]
RBA[4]
RBA[5]
A[0]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
TONE1
TONE1
ASIC_VOL_IN
ASIC_VOL_OUT
TONE2
HSTXMUTE
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
RLY
PSHORT/ACK_EN
DCN
HOOK
PAPER
BELL/CPC
JAM
IC6
NC
1
A11
2
A9
3
A8
4
A13
5
A14
6
A17
7
*WE
8
VDD
9
A18
10
A16
11
A15
12
A12
13
A7
14
A6
15
A5
16
A4
17
A3
18
A2
19
A1
20
A0
21
DQ0
22
DQ1
23
DQ2
24
VSS
25
DQ3
26
DQ4
27
DQ5
28
DQ6
29
DQ7
30
*CE
31
A10
32
*OE
C39
1n
ROMCS
MFCS
C44
100n
NC
+3.3VD
DG
IC12
1
CD
2
FC2
3
FC1
4
VIN
5
VO1
6
VCC
7
GND
8
VO2
*C55
NC
DG
*R46
NC
*R49
NC
*R51
NC
DG
*R53
NC
+5VA
*C69
NC
C75
10n
C101
100n
R72
6.8k
R70
47k
DG
C80
22n
R63
33k
DG
DG
DG
C70
100n
C82
100n
R66
220k
C90
( )
NC
DG
+24VA
R71
10k
C95
1n
+5V
DG
+5V
DG
CN9
1
SP+
2
SP-
R75
NC
+3.3VD
D0
D1
D2
D3
D7
D5
D4
D6
C83
NC
R64
NC
R47
2.7k
R48
1.8k
C53
2.2n
R44
820k
R43
27k
R45
1M
C58
2.2n
R50
560k
R54
6.8k
R55
3.3k
R61
3.3M
R68
18k
RA10
120k
1
2
3
4
4
*IC9
5
6
7
*IC9
3
2
1
*IC9
4
V-
8
V+
L3
0
L2
0
RD
WR
C54
220n
R67
82k
RA11
4.7k
1
2
3
45
6
7
8
+5V
CN2
1
+5V
2
DG
3
RLY
4
HOOK
5
LINERX
6
LINETX
7
HSRX
8
HSTX
9
BELL/CPC
10
PAPER
11
JAM
12
R84
NC
*R85
NC
*R86
NC
RA6
4.7k
1
23
4
C64
56p
*Q17
NC
B
E
C
L4
L5
DG
C102
1u
C103
1u
IC10
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
C92
10u
*C57
NC
*C61
NC
*C66
NC
*C77
NC
L6
( )
NC
*C62
100p
*C86
100p
C85
0.1u
+6VA
+6VA
+6VA
Q15
B
C
E
Q16
B
C
E
C52
0.1u
*R58
120k
*R69
220k
*C89
82p
*C78
0.1u
*R42
NC
*R57
NC
*R78
56k
*R59
27k
ACK SIGNAL FOR RU/UA
TO SPEAKER
TO ANALOG
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