Panasonic KX-TDA6178 Service Manual page 44

KX-TDA6178
10.6. No.5
A
B
C
D
E
F
G
H
2 3
+3.3V +3.3V
+3.3V +3.3V
RA601 RA602
RA603
10K 10K
10K
A[1] 25 29 TP605
A0 DQ0 5
A[2] 24 31 TP606
A1 DQ1 6
A[3] 23 33 TP607
A2 DQ2 7
A[4] 22 35 TP608
A3 DQ3 8
A[5] 21 A4 DQ4 38 TP609
5
A[6] 20 A5 DQ5 40 TP610
6
A[7] 19 A6 DQ6 42 TP611
7
A[8] 18 A7 DQ7 44 TP612
8
A[9] 8 A8 DQ8 30 TP613
A[10] 7 A9 DQ9 32 TP614 8
A[11] 6 A10 DQ10 34 TP615 7
A[12] 5 A11 DQ11 36 TP616 6
A[13] 4 A12 DQ12 39 TP617 5
A[14] 3 A13 DQ13 41 TP618 8
A[15] 2 A14 DQ14 43 TP619 7
A[16] 1 A15 DQ15/A_1 45 TP620 6
A[17] 48 A16 5
A[18] 17 A17 Vcc 37
A[19] 16 A18
TP621
9 NC9
10 NC10 Vss27 27
Vss46 46
TP600
DG
+3.3V
DG
NC13 13
TP603
47 BYTE NC14 14 DG
TP604
15
nWR 11 WE RY/BY
nRD 28 OE
12
26 RESET
CE
IC602
A[10]
IC603
A[11] 1 32
A11 OE
A[9] 2 31
A9 A10
A[8] 3 30
A8 S1
A[13] 4 29
A13
DQ8
5 28
W
DQ7
27
nRST 6
S2
DQ6
26
A[15] 7
A15
DQ5
25
8
VCC
DQ4
24
9
NC
GND
TP602 23
A[16] 10
A16 DQ3
11 22
A[14]
A14 DQ2
12 21
A[12]
A12 DQ1
13 20
A[7]
A7 A0
14 19
A[6]
A6 A1
15 18
A[5]
A5 A2
16 17
A[4]
A4 A3
A[3]
A[2]
A[1]
A[0]
+3.3V
A[17] DG
A[10]
IC604
A[11] 1 32
A11 OE
NC
A[9] 2 31
A9 A10
TP784
A[8] 3 30
A8 S1
A[13] 4 29
A13 DQ8
5 28
W DQ7
6 27
S2 DQ6
A[15] 7 26
A15 DQ5
8 25
VCC DQ4
9 24
TP601 NC GND
A[16] 10 23
A16 DQ3
A[14] 11 22
A14 DQ2
A[12] 12 21
A12 DQ1
13 20
A[7]
A7 A0
14 19
A[6]
A6 A1
15 18
A[5]
A5 A2
16 17
A[4]
A4 A3
A[3]
A[2]
A[1]
A[0]
+3.3V
DG
4 5
+3.3V
+3.3V
RA612
+3.3V +3.3V
RA609
RA604
10K
10K
RA610 RA611
1K 1K
D[8-15]
4 D[0]
3 1 8 D[1]
2 2 7 D[2]
1 3 6 D[3]
4 4 5 D[4]
3 1 8 D[5]
2 2 7 D[6]
1 3 6 D[7]
4 5 D[8]
1 D[9]
3 6
2 D[10]
2 7
3 1 D[11]
8
4 4 5 D[12]
1 3 6 D[13]
2 2 7 D[14]
3 1 8 D[15]
4
+3.3V
nRD
J610
0
IC605
TP786
J611
TP783 R611
4
6
5
NC
NC TP639 D[7]
NC
D[6]
D[5]
D[4]
D[3]
DG
D[2]
NC
D[1]
D[0]
+3.3V
IC606
TP782
NC
1
3 1 NC
4
2
2
TP622 D[7]
TP640
TP785
R612
IC605 R613
D[6]
NC NC
D[5]
D[4]
D[3]
DG
D[2]
D[1]
D[0]
IC606
KX-TDA6178 SCHEMATIC DIAGRAM No.5 (1/2)
44
6
+3.3V
RA613
1K 1K
nRD
nWR
Q600
C
B
E
DG
10K
RA614
+3.3V
8 1
7 2
6 3
4
5
8 1
DG
7 2
5 4
3
6
CN601
1 1
2 2
+3.3V
3 3
4 4
TP645
5 5
DG
6 6
7
7
IC605
+3.3V
TP647
13
11
5
12
NC
NC
DG
3 TP646
10
8
9
DG
NC
IC605 DG
+3.3V
14
IC605 NC
7
DG
(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)