Read Panasonic KX-FT982CA-B / KX-FT984CA-B / KX-FT988CA-B (serv.man2) Service Manual Supplement online
3
KX-FT982CA-B / KX-FT984CA-B / KX-FT988CA-B
2 CHANGES
(Suffix Code: C or later)
2.1.
Schematic Diagram (Digital Board (PCB1))
[Changed from original section “17.1. Digital Board (PCB1):KX-FT982/KX-FT984”]
KX-FT982CA-B/KX-FT984CA-B : Di
g
ital Board
(1/4
)
1/4
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(a)
(b) (c)
(d)
(i)
(e) (f)
(g)
(h)
(j) (k)
(m)
(n) (p)
(q)
(r)
A[0]
A[1]
A[2]
A[3]
A[4]
A[5]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
RBA[0]
RBA[1]
RBA[2]
RBA[3]
RBA[4]
RBA[5]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
RBA[0]
RBA[1]
RBA[2]
RBA[3]
RBA[4]
RBA[5]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
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]
RBA[0]
RBA[1]
RBA[2]
RBA[3]
RBA[4]
RBA[5]
STB1
STB2
A[4]
A[5]
A[6]
A[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[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
A[11]
A[12]
RBA[0]
RBA[1]
RBA[2]
RBA[3]
RBA[4]
RBA[5]
RBA[1]
RBA[2]
RBA[3]
RBA[4]
RBA[5]
RM3
RM2
RM1
RM0
RXE
THLAT
HEADON
RXE
STB1
THCLK
STB2
THDAT
TH-TMP
R2
R1
IC4
1
VCC1
2
DQ1
3
DQ2
4
DQ3
5
DQ4
6
NC1
7
*WE
8
*RAS
9
A9R
10
A0
11
A1
12
A2
13
A3
14
VCC2
15
VSS1
16
A4
17
A5
18
A6
19
A7
20
A8
21
NC2
22
*OE
23
*CAS
24
DQ5
25
DQ6
26
DQ7
27
DQ8
28
VSS2
IC2
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
C26
1n
C34
1n
CE1
CE2
C28
100n
C27
100n
C35
100n
DG
+3.3VD
DG
+3.3VD
R21
2.2k
C20
100p
RA2
100
4
3
2
1
8
7
6
5
+24V
DG
+2.5VD
RB6
+3.3VD
DG
DG
C37
100n
A0
A1
A2
A3
A7
A4
A6
A5
RB0
RB1
A11
A8
A12
RB2
A10
A9
RB4
RB5
RB3
+2.5VD
+3.3VD
RA3
10k
1
2
3
4
4
R10
4.7k
R5
100
R8
820
R12
1.5K 1/2W
IC7
1
I1
2
I2
3
I3
4
I4
5
I5
6
I6
7
I7
8
GND
9
COMMON
10
O7
11
O6
12
O5
13
O4
14
O3
15
O2
16
O1
+6V
R1
220
D12
D13
DG
CN4
1
COM
2
LATCH
3
STB1
4
GND
5
+3.3V
6
R1
7
R2
8
GND
9
TM
10
CLOCK
11
GND
12
STB2
13
DATA
14
COM
Q7
1
S1
2
S2
3
S3
4
G
5
D1
6
D2
7
D3
8
D4
+24V
R9
5.6k
DG
C5
100n
+3.3VD
C3
100n
C2
100n
+24VF
+24VF
CA8
100p
1
2
3
4
4
DG
RA5
3.3k
1
2
2
3
4
DG
Q1
B
E
C
IC11
1
B
B
2
A
3
GND
5
VCC
4
Y
+3.3VD
D11
CN3
1
COM
2
RM3
3
RM2
4
RM1
5
RM0
F1
32
1.25
12
JS2
NC
Q2
B
C
E
Q6
B
C
E
Q4
B
C
E
Q5
B
C
E
MOTOR BLOCK
THERMAL HEAD BLOCK
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