17 SCHEMATIC DIAGRAM
17.1. VoIP/LCD block
KX-NT265X/KX-NT265X-B VoIP/LCD block(1/2)
(1)
(2)
(3)
(4)
(6)
(8)
(10)
(12)
(14)
(5)
(7)
(9)
(11)
(13)
(15)
(16)
(18)
(17)
(19)
(21)
(23)
(20)
(22)
(24)
(25)
(26)(27)
(29)
(28)
(30)
(31)(32)
(34)
(33)
(35)
(37)
(38)
(36)
D3.3V_2
D3.3V
DG
D3.3V_2
D3.3V_2
DG
DG
1M
R13
DG
X1
8.192MHz
P1.8V_2
R15
33
R4
10k
R6
10k
RA1
33
RA2
33
C14
Z0.22u
R12
150
C10
18p
C11
18p
R11
4.7k
R3
10k
R1
10k
R2
10k
R8
10k
R17
10k
R9
10k
R14
0
D3.3V
D3.3V
DG
D3.3V_2
R5
10k
DG
DG
DG
DG
DG
DG
DG
DG
D3.3V
DG
D3.3V_2
D3.3V_2
D3.3V_2
D3.3V_2
DG
D3.3V_2
DG
D3.3V_2
R10
0
DG
D3.3V
DG
D3.3V
R7
10k
D3.3V
R16
10k
DG
IC7
1
1
2
2
3
3
4
4
330u/4V
C22
DG
P1.8V
D1.8V
DG
DG
D3.3V_2
DG
DG
DG
DG
DG
D3.3V
D3.3V_2
C12
Z1u
IC3
9
A19
16
A18
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
24
A1
25
A0
26
CE
27
VSS27
28
OE
29
DQ0
30
DQ8
31
DQ1
32
DQ9
33
DQ2
34
DQ10
35
DQ3
36
DQ11
37
VCC
38
DQ4
39
DQ12
40
DQ5
41
DQ13
42
DQ6
43
DQ14
44
DQ7
45
DQ15/A-1
46
VSS46
47
BYTE
48
A16
1
A15
2
A14
3
A13
4
A12
5
A11
6
A10
7
A9
8
A8
11
WE
12
RESET
10
A20
13
NC13
14
WP/ACC
15
RY/BY
IC4
23
A11(BA1)
24
A10/AP
25
A0
26
A1
27
A2
28
DQM2(bit23-16)
29
VCC29
30
NC30
31
DQ16
32
VSSQ32
33
DQ17
34
DQ18
35
VCCQ35
36
DQ19
37
DQ20
38
VSSQ38
39
DQ21
40
DQ22
41
VCCQ41
42
DQ23
43
VCC43
1
VCC1
2
DQ0
3
VCCQ3
4
DQ1
5
DQ2
6
VSSQ6
7
DQ3
8
DQ4
9
VCCQ9
10
DQ5
11
DQ6
12
VSSQ12
13
DQ7
14
NC14
15
VCC15
16
DQM0(bit7-0)
17
#WE
18
#CAS
19
#RAS
20
#CS
21
NC21
22
A12(BA0)
45
DQ24
46
VSSQ46
47
DQ25
48
DQ26
49
VCCQ49
50
DQ27
51
DQ28
52
VSSQ52
53
DQ29
54
DQ30
55
VCCQ55
56
DQ31
57
NC57
58
VSS58
59
DQM3(bit31-24)
60
A3
61
A4
62
A5
63
A6
64
A7
65
A8
66 A9
67
CKE
68
CLK
69
NC69
70
NC70
71
DQM1(bit15-8)
72
VSS72
73
NC73
74
DQ8
75
VCCQ75
76
DQ9
77
DQ10
78
VSSQ78
79
DQ11
80
DQ12
81
VCCQ81
82
DQ13
83
DQ14
84
VSSQ84
85
DQ15
86
VSS86
44
VSS44
C4
Z0.1u
C15
K0.01u
C8
Z0.1u
C9
Z0.1u
C6
Z0.1u
C3
NC
C13
100p
C2
Z0.1u
C7
Z0.1u
C1
Z0.1u
C5
Z0.1u
R46
NC
C42
Z0.1u
DG
C43
Z0.1u
DG
L2
DG
D1.8V
P1.8V_2
330u/4V
C44
0
L1
0
L3
D[19]
D[18]
D[6]
D[23]
A[15]
A[9]
A[8]
D[16]
D[4]
A[3]
D[22]
A[16]
A[10]
A[12]
D[21]
A[6]
A[1]
A[7]
D[7]
A[21]
D[3]
A[5]
A[11]
A[20]
D[5]
D[17]
A[0]
A[16]
A[15]
A[14]
A[13]
A[12]
A[11]
A[10]
A[9]
A[8]
A[7]
A[6]
A[5]
DQM[3]
DQM[2]
DQM[1]
A[1]
A[2]
A[3]
A[4]
DQM[1]
D[20]
D[15]
D[7]
D[14]
D[6]
D[5]
D[13]
D[12]
D[4]
D[11]
D[3]
D[10]
D[2]
D[0]
D[15]
D[14]
D[13]
D[12]
D[11]
D[9]
D[10]
D[8]
D[31]
D[30]
D[28]
D[27]
D[26]
D[25]
D[0]
D[1]
D[2]
D[29]
D[9]
D[1]
D[8]
A[9]
A[3]
A[19]
A[7]
A[6]
A[18]
A[4]
A[5]
A[2]
A[8]
A[13]
A[14]
A[17]
D[24]
DQM[2]
A[4]
DQM[3]
DQM[0]
A[22]
DQM[0]
A[2]
A[1]
A[13]
A[14]
A[10]
A[0]
A[11]
FLASH
8.3 RESET CIRCUIT
(1)
44
KX-NT265X / KX-NT265X-B
Содержание KX-NT265X
Страница 14: ...KX NT265X KX NT265X B 14 ...
Страница 17: ...17 KX NT265X KX NT265X B ...
Страница 18: ...9 TROUBLESHOOTING GUIDE 9 1 NO OPERATION 18 KX NT265X KX NT265X B ...
Страница 19: ... Note Refer to waveform 1 3 and 6 in 17 4 WAVEFORM P 48 19 KX NT265X KX NT265X B ...
Страница 20: ...20 KX NT265X KX NT265X B ...
Страница 21: ...9 2 LCD DOES NOT OPERATE Note Refer to waveform 4 in 17 4 WAVEFORM P 48 21 KX NT265X KX NT265X B ...
Страница 22: ...9 3 HANDSET DOES NOT WORK Receive Send 22 KX NT265X KX NT265X B ...
Страница 23: ...9 4 HEADSET DOES NOT WORK Receive Send 23 KX NT265X KX NT265X B ...
Страница 24: ...9 5 SPEAKER PHONE DOES NOT WORK Receive Send 24 KX NT265X KX NT265X B ...
Страница 26: ...9 7 LED DOES NOT LIGHT Note Refer to waveform 13 in 17 4 WAVEFORM P 48 26 KX NT265X KX NT265X B ...
Страница 35: ...11 TERMINAL GUIDE OF ICs TRANSISTORS AND DIODES 35 KX NT265X KX NT265X B ...
Страница 37: ...13 CABINET AND ELECTRICAL PARTS LOCATION 37 KX NT265X KX NT265X B ...
Страница 38: ...14 ACCESSORIES AND PACKING MATERIALS 38 KX NT265X KX NT265X B ...
Страница 50: ...IC13 pin2 DATA IC13 pin3 CLK IC13 pin4 LCK 13 LED CIRCUIT 50 KX NT265X KX NT265X B ...