DOWNLOAD Panasonic KX-TDA0288XJ / KX-TDA0288CE (serv.man2) Service Manual ↓ Size: 2.7 MB | Pages: 38 in PDF or view online for FREE

Model
KX-TDA0288XJ KX-TDA0288CE (serv.man2)
Pages
38
Size
2.7 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / TRUNK CARD 8-PORT BRI CARD (BRI 8)
File
kx-tda0288xj-kx-tda0288ce-sm2.pdf
Date
PREV: Panasonic KX-TDA0288XJ / KX-TDA0288CE Service Manual

Panasonic KX-TDA0288XJ / KX-TDA0288CE (serv.man2) Service Manual / Supplement ▷ View online

33
KX-TDA0288XJ / KX-TDA0288CE  
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
C4M
C4M
C4M,DHW0,HW_FH,UHW0
nLBS,nRD,nWR
LA[0-21]
ID[0-7]
CLKOUT[0-7],nCS_BRI[0-7]
CLKOUT[0]
CLKOUT[1]
BRI_RST,BRI_RST[1-8],MODE_[0-7]
BRI_RST[2]
nINT_BRI
nINT_BRI
DC_CONT[0-7],CP[0-7]
nCS[0-3],nCS[6]
P2[2-6]
MODE_[7]
MODE_[6]
MODE_[5]
MODE_[4]
MODE_[3]
MODE_[2]
MODE_[1]
MODE_[0]
BRI_RST
DC_CONT[0]
DC_CONT[1]
MODE_[0]
HW_FH
nRD
nCS_BRI[0]
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
ID[0]
ID[1]
ID[2]
ID[3]
ID[4]
ID[5]
ID[6]
ID[7]
BRI_RST[1]
C768A
UHW0
DHW0
UHW0
DHW0
nRD
nCS_BRI[1]
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
ID[0]
ID[1]
ID[2]
ID[3]
ID[4]
ID[5]
ID[6]
ID[7]
MODE_[1]
LA[8]
LA[9]
LA[10]
nCS_BRI[3]
nCS_BRI[2]
nCS_BRI[1]
nCS_BRI[0]
nCS_BRI[4]
nCS_BRI[5]
nCS_BRI[6]
nCS_BRI[7]
nCS[6]
CLKOUT[3]
CLKOUT[2]
CLKOUT[1]
CLKOUT[0]
P2[4]
P2[5]
P2[6]
CLKOUT[4]
CLKOUT[5]
CLKOUT[6]
CLKOUT[7]
nCS_BRI[4]
nCS_BRI[5]
nCS_BRI[2]
nCS_BRI[7]
nCS_BRI[1]
nCS_BRI[3]
nCS_BRI[6]
nCS_BRI[0]
CP[0]
CP[1]
nWR2
nWR2
SA1
0
FG
C304A
0.1u
R307A 10K
SFG
R307B
10K
C768A
R315A
22
R316A 22
R317A
10K
R318A 10K
nINT_BRI
R48
10K
R315B
22
R316B 22
nWR2
+3.3V
DG
TP936
TP521
TP528
TP474
TP492
FIL33A
1
2
3
RA24
10K
1
2
3
4
5
6
7
8
9
10
FIL33B
1
2
3
IC301A
8
VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7
VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18
VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17
VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33
VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30
AUX0
31
AUX1
32
AUX2
5
RES
38
AMODE
4
TP
37
VSS37
54
VSS54
34
VSS34
27
C768
35
XTAL1
36
XTAL2
46
VDDA
48
SR2
47
SR1
45
VSSA
43
SX1
44
SX2
56
VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55
VSS55
57
MODE0
58
MODE1/EAW
59
ACL
28
SDS2
60
AUX7
61
AUX6
62
AUX5
63
AUX4
64
AUX3
+3.3V
DG
C313A
0.1u
C314A
0.1u
C315A
0.1u
C316A
0.1u
C317A
0.1u
TP530
+3.3V
TP418
TP523
TP426
DG
DG
TP147
+3.3V
TP703
TP508
TP439
DG
TP463
TP456
TP1071
TP1072
IC301B
8
VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7
VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18
VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17
VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33
VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30
AUX0
31
AUX1
32
AUX2
5
RES
38
AMODE
4
TP
37
VSS37
54
VSS54
34
VSS34
27
C768
35
XTAL1
36
XTAL2
46
VDDA
48
SR2
47
SR1
45
VSSA
43
SX1
44
SX2
56
VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55
VSS55
57
MODE0
58
MODE1/EAW
59
ACL
28
SDS2
60
AUX7
61
AUX6
62
AUX5
63
AUX4
64
AUX3
TP481
+3.3V
C316B
0.1u
C313B
0.1u
C304B
0.1u
C314B
0.1u
C317B
0.1u
C315B
0.1u
DG
R317B 10K
R318B
10K
TP433
+3.3V
TP420
DG
DG
+3.3V
TP145
TP704
TP538
TP674
TP449
TP466
TP472
TP543
DG
IC23
74HC151
1
D3
2
D2
3
D1
4
D0
5
Y
6
W
7
G
8
GND
9
C
10
B
11
A
12
D7
13
D6
14
D5
15
D4
16
VCC
RA23
22
1
2
3
4
5
6
7
8
RA22
22
1
2
3
4
5
6
7
8
C19
0.1u
nCS_[6]
+3.3V
J14
NC
DG
C20
0.1u
TP566
TP568
TP567
TP569
TP570
TP573
TP571
TP572
+3.3V
TP564
L_NETREF
DG
R327B
10K
R327D
10K
R327A
10K
R327C
10K
R327E
10K
R327F
10K
R327G
10K
R327H
10K
R51
10K
R49
10K
R50
10K
+3.3V
R47 47
FIL8
1
2
3
TP697
TP699
TP702
TP700
TP695
TP701
TP696
TP698
TP670
TP565
IC24
74LV138
9
Y6
15
Y0
14
Y1
5
G2B
7
Y7
12
Y3
3
C
2
B
8
GND
6
G1
10
Y5
13
Y2
1
A
4
G2A
11
Y4
16
VCC
+3.3V
J50
0
(3216)
FIL6
PC105
1
2
3
C4M
HWFH
DHW0
UHW0
CK0
CK1
CK2
CK3
CK4
CK5
CK6
CK7
SFG
FG
3.3V or 0V
3.3V
0V
1.536MHz
3.3V
0V
KX-TDA0288XJ/KX-TDA0288CE MAIN BOARD No.3  2/2
34
KX-TDA0288XJ / KX-TDA0288CE  
1.19. No.4
Change from the Original Service Manual Section 16.4.
UHW0,DHW0,HW_FH,C4M
nRD,nWR,nLBS
LA[0-21]
ID[0-7]
CLKOUT[0-7],nCS_BRI[0-7]
BRI_RST,BRI_RST[1-8],MODE_[0-7]
DC_CONT[0-7],CP[0-7]
DC_CONT[3]
DC_CONT[2]
40V_GC
40VC
40V
nCS_BRI[2]
BRI_RST[3]
nRD
MODE_[2]
DHW0
UHW0
ID[7]
ID[6]
ID[5]
ID[4]
ID[3]
ID[2]
ID[1]
ID[0]
C4M
LA[7]
LA[6]
LA[5]
LA[4]
LA[3]
LA[2]
LA[1]
LA[0]
C768B
C768C
CLKOUT[2]
ID[4]
ID[5]
ID[6]
ID[7]
C768C
UHW0
DHW0
MODE_[3]
C768D
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
nRD
LA[7]
BRI_RST[4]
C4M
nCS_BRI[3]
ID[0]
CLKOUT[3]
ID[1]
40VD
ID[2]
ID[3]
40V_GD
40V
ID[4]
ID[5]
ID[6]
ID[7]
C768D
DHW0
MODE_[4]
C768E
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
DC_CONT[4]
LA[5]
LA[6]
nRD
LA[7]
BRI_RST[5]
C4M
nCS_BRI[4]
ID[0]
CLKOUT[4]
ID[1]
40VE
ID[2]
ID[3]
40V_GE
40V
nWR2
nWR2
nWR2
nINT_BRI
nINT_BRI
nINT_BRI
UHW0
CP[2]
CP[3]
CP[4]
DG
D308C
1
2
3
R309C
100
D306C
1
2
3
RL301C
1 +
2
3
4
5
6
7
8
-
D302C
1
2
DG
R304C
8.2K
R305C
8.2K
SW301C
1
2
3
4
5
6
7
8
9
10
11
12
SFG
SFG
40V
R308C
100
+15V
D309C
1
2
DG
C305C
NC
SA301C
300V
SA302C
300V
SA303C
300V
SA304C
300V
nWR2
nINT_BRI
R325C
3.3 1/2W
R326C
1K
C309C
0.1u
RX[2]
40V_G
J304C
NC
J303C
NC
C310C
33p
DG
DG
TH305C
C312C
0.1u
TP272
TP502
TP288
TP165
TP290
TP135
TP212
TP299
TP78
TP237
TP320
TP197
TP181
TP224
TP196
TP128
TP471
TP173
TP220
TP121
TP311
TP74
Q301C
E
C
B
CN3CD
RJ45 2
Tx1
Rx2
Rx1
Tx2
T301C
1
2
3
4
16
15
14
13
5
6
7
8
12
11
10
9
J301C
0
J302C
0
C311C
0.1u
TP921
+3.3V
R302C
1.8K
+3.3V
D307C
1
2
3
R310C
7.5
R303C
1.8K
R301C
7.5
C302C
33p
D305C
1
2
3
TP526
TP495
IC301C
8 VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7 VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18 VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17 VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33 VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30
AUX0
31 AUX1
32 AUX2
5
RES
38
AMODE
4 TP
37 VSS37
54 VSS54
34 VSS34
27 C768
35 XTAL1
36 XTAL2
46 VDDA
48 SR2
47 SR1
45 VSSA
43 SX1
44 SX2
56 VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55 VSS55
57
MODE0
58
MODE1/EAW
59 ACL
28
SDS2
60 AUX7
61 AUX6
62
AUX5
63
AUX4
64 AUX3
DG
TP496
+3.3V
TP493
DG
R315C
22
R316C
22
R307C
10K
TP542
DG
FIL33C
1
2
3
TP510
TP490
R317C
10K
R318C
10K
+3.3V
TP476
C304C
0.1u
C315C
0.1u
C768B
R311C
22
C314C
0.1u
DG
FIL32C
1
2
3
TP478
R330C
1K
R329C
1K
DG
R328C
1K
C313C
0.1u
C317C
0.1u
C316C
0.1u
C768C
+3.3V
TP515
TP676
TP479
TP705
TP544
TP488
TP487
TP477
TP675
TP102
TP91
TP59
TP47
TP40
TP37
TP25
TP14
C301C
33p
DG
TP146
CN3CD
RJ45 2
Tx1
Rx2
Rx1
Tx2
TP29
TP536
+3.3V
TP461
IC301D
8 VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7 VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18 VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17 VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33 VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30
AUX0
31 AUX1
32 AUX2
5
RES
38
AMODE
4 TP
37 VSS37
54 VSS54
34 VSS34
27 C768
35 XTAL1
36 XTAL2
46 VDDA
48 SR2
47 SR1
45 VSSA
43 SX1
44 SX2
56 VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55 VSS55
57
MODE0
58
MODE1/EAW
59 ACL
28
SDS2
60 AUX7
61 AUX6
62
AUX5
63
AUX4
64 AUX3
TP499
DG
D302D
1
2
C768D
TP216
SA303D
300V
DG
TP180
+15V
TP512
SW301D
1
2
3
4
5
6
7
8
9
10
11
12
R315D
22
TP319
R301D
7.5
C309D
0.1u
TP430
TP236
C314D
0.1u
TP94
TP132
DG
TP83
SA302D
300V
C768C
FIL33D
1
2
3
+3.3V
40V
TP148
D305D
1
2
3
DG
TP427
SA301D
300V
TP438
R326D
1K
R304D
8.2K
DG
R305D
8.2K
R318D
10K
TP174
TP467
R303D
1.8K
+3.3V
D309D
1
2
R325D
3.3 1/2W
C302D
33p
TP274
TP154
C315D
0.1u
C305D
NC
FIL32D
1
2
3
TP706
TP546
RX[3]
J304D
NC
RL301D
1 +
2
3
4
5
6
7
8
-
J303D
NC
TP34
R310D
7.5
TP285
TP295
TP205
TP18
TP678
C304D
0.1u
TP300
TP547
T301D
1
2
3
4
16
15
14
13
5
6
7
8
12
11
10
9
J302D
0
TP920
SFG
TP227
TP444
TP455
J301D
0
D307D
1
2
3
TP469
40V_G
TP136
R329D
1K
TP38
TP414
C311D
0.1u
R308D
100
C301D
33p
R328D
1K
R307D
10K
DG
TP52
R302D
1.8K
C316D
0.1u
D308D
1
2
3
TP191
TP101
TP545
DG
R317D
10K
Q301D
E
C
B
C312D
0.1u
TP464
D306D
1
2
3
DG
C310D
33p
C317D
0.1u
TP509
TH305D
TP72
R330D
1K
R309D
100
+3.3V
R316D
22
TP314
C313D
0.1u
SA304D
300V
DG
TP56
SFG
+3.3V
R311D
22
TP122
TP423
DG
TP207
CN3EF
RJ45 2
Tx1
Rx2
Rx1
Tx2
TP26
TP534
+3.3V
TP470
IC301E
8
VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7
VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18
VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17
VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33
VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30
AUX0
31
AUX1
32
AUX2
5
RES
38
AMODE
4
TP
37
VSS37
54
VSS54
34
VSS34
27
C768
35
XTAL1
36
XTAL2
46
VDDA
48
SR2
47
SR1
45
VSSA
43
SX1
44
SX2
56
VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55
VSS55
57
MODE0
58
MODE1/EAW
59
ACL
28
SDS2
60
AUX7
61
AUX6
62
AUX5
63
AUX4
64
AUX3
TP505
DG
D302E
1
2
C768E
TP214
SA303E
300V
DG
TP182
+15V
TP537
SW301E
1
2
3
4
5
6
7
8
9
10
11
12
R315E
22
TP316
R301E
7.5
C309E
0.1u
TP679
TP232
C314E
0.1u
TP88
TP131
DG
TP85
SA302E
300V
C768D
DG
FIL33E
1
2
3
+3.3V
40V
TP142
D305E
1
2
3
DG
TP412
SA301E
300V
TP451
R326E
1K
R304E
8.2K
DG
R305E
8.2K
R318E
10K
TP172
TP441
R303E
1.8K
+3.3V
D309E
1
2
R325E
3.3 1/2W
C302E
33p
TP278
TP168
C315E
0.1u
C305E
NC
FIL32E
1
2
3
TP707
TP553
RX[4]
J304E
NC
RL301E
1 +
2
3
4
5
6
7
8
-
J303E
NC
TP36
R310E
7.5
TP282
TP297
TP200
TP15
TP680
C304E
0.1u
TP301
TP432
T301E
1
2
3
4
16
15
14
13
5
6
7
8
12
11
10
9
J302E
0
TP922
SFG
TP228
TP435
TP447
J301E
0
D307E
1
2
3
TP457
40V_G
TP139
R329E
1K
TP39
TP453
C311E
0.1u
R308E
100
C301E
33p
R328E
1K
R307E
10K
DG
TP53
R302E
1.8K
C316E
0.1u
D308E
1
2
3
TP190
TP99
TP548
DG
R317E
10K
Q301E
E
C
B
C312E
0.1u
TP446
D306E
1
2
3
DG
C310E
33p
C317E
0.1u
TP514
TH305E
TP76
R330E
1K
R309E
100
+3.3V
R316E
22
TP308
C313E
0.1u
SA304E
300V
DG
TP54
SFG
+3.3V
R311E
22
TP124
TP416
DG
TP208
SA305C
NC
SA306C
NC
SA305D
NC
SA306D
NC
SA305E
NC
SA306E
NC
DG
R306C
0
2125
R306D
0
2125
R306E
0
2125
40GC
40VC
40GD
40VD
40GE
40VE
C7MC
C7MD
C7ME
C
D
E
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(13)
(14)
(8)
(9)
(10)
(11)
(12)
(15)
KX-TDA0288XJ/KX-TDA0288CE MAIN BOARD No.4 1/2
35
KX-TDA0288XJ / KX-TDA0288CE  
DC_CONT[7]
DC_CONT[6]
ID[4]
ID[5]
ID[6]
ID[7]
C768E
UHW0
DHW0
MODE_[5]
C768F
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
DC_CONT[5]
LA[5]
LA[6]
nRD
LA[7]
BRI_RST[6]
C4M
nCS_BRI[5]
ID[0]
CLKOUT[5]
ID[1]
40VF
ID[2]
ID[3]
40V_GF
40V
ID[4]
ID[5]
ID[6]
ID[7]
C768F
UHW0
DHW0
MODE_[6]
C768G
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
nRD
LA[7]
BRI_RST[7]
C4M
nCS_BRI[6]
ID[0]
CLKOUT[6]
ID[1]
40VG
ID[2]
ID[3]
40V_GG
40V
ID[4]
ID[5]
ID[6]
ID[7]
C768G
UHW0
DHW0
MODE_[7]
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
nWR2
nWR2
nWR2
nINT_BRI
nINT_BRI
nINT_BRI
LA[6]
nRD
LA[7]
BRI_RST[8]
C4M
nCS_BRI[7]
ID[0]
CLKOUT[7]
ID[1]
40VH
ID[2]
ID[3]
40V_GH
40V
CP[5]
CP[6]
CP[7]
TP923
R307F
10K
TP187
D307F
1
2
3
RL301F
1
+
2
3
4
5
6
7
8 -
J302F
0
TP41
TP206
SFG
C317F
0.1u
DG
C305F
NC
TP434
J301F
0
40V_G
R317F
10K
C312F
0.1u
TP421
C311F
0.1u
T301F
1
2
3
4
16
15
14
13
5
6
7
8
12
11
10
9
TP130
TP322
R330F
1K
DG
TP48
TP520
R302F
1.8K
R308F
100
C313F
0.1u
C310F
33p
TH305F
DG
TP175
TP234
+3.3V
TP431
R311F
22
R316F
22
DG
D308F
1
2
3
TP80
D309F
1      2
TP531
TP504
C768F
TP19
TP61
DG
D306F
1
2
3
+3.3V
TP95
+3.3V
DG
SFG
IC301F
8
VDD8
1
INT
41
ALE
3
CS
40
WR/RW
39
RD/DS
7
VSS7
9
AD0
10
AD1
11
AD2
12
AD3
18
VDD18
13
AD4
14
SLC/AD5
15
SDR/AD6
16
SDX/AD7
17
VSS17
19
A0
20
A1
21
A2
22
A3
23
A4
24
A5
25
A6
26
A7
33
VDD33
2
n.c.2
42
n.c.42
29
SDS1
6
RESO
30
AUX0
31
AUX1
32
AUX2
5
RES
38
AMODE
4
TP
37
VSS37
54
VSS54
34
VSS34
27
C768
35
XTAL1
36
XTAL2
46
VDDA
48
SR2
47
SR1
45
VSSA
43
SX1
44
SX2
56
VDD56
49
BCL/SCLK
50
DU
51
DD
52
FSC
53
DCL
55
VSS55
57
MODE0
58
MODE1/EAW
59
ACL
28
SDS2
60
AUX7
61
AUX6
62
AUX5
63
AUX4
64
AUX3
Q301F
E
C
B
R309F
100
TP201
R315F
22
C314F
0.1u
TP226
TP681
TP558
TP518
+3.3V
SA304F
300V
DG
C768E
TP302
DG
R301F
7.5
DG
C301F
33p
FIL33F
1
2
3
TP73
TP708
TP425
DG
TP164
D302F
1
2
SW301F
1
2
3
4
5
6
7
8
9
10
11
12
CN3EF
RJ45 2
Tx1
Rx2
Rx1
Tx2
TP192
TP445
TP291
R318F
10K
TP277
TP310
TP283
C309F
0.1u
TP149
SA303F
300V
FIL32F
1
2
3
D305F
1
2
3
C315F
0.1u
TP140
TP119
TP682
TP557
TP92
40V
R303F
1.8K
TP462
C302F
33p
C304F
0.1u
+3.3V
DG
TP450
TP215
R326F
1K
R305F
8.2K
SA302F
300V
J304F
NC
R304F
8.2K
J303F
NC
R329F
1K
R310F
7.5
TP442
TP33
R328F
1K
SA301F
300V
TP28
TP452
RX[5]
R325F
3.3 1/2W
C316F
0.1u
TP440
+15V
TP437
TP924
R307G
10K
TP177
D307G
1
2
3
RL301G
1
+
2
3
4
5
6
7
8 -
J302G
0
TP43
TP210
SFG
C317G
0.1u
DG
C305G
NC
TP460
J301G
0
40V_G
R317G
10K
C312G
0.1u
TP436
C311G
0.1u
T301G
1
2
3
4
16
15
14
13
5
6
7
8
12
11
10
9
TP126
TP315
R330G
1K
DG
TP49
TP511
R302G
1.8K
R308G
100
C313G
0.1u
C310G
33p
TH305G
DG
TP176
TP239
+3.3V
TP419
R311G
22
R316G
22
DG
D308G
1
2
3
TP81
D309G
1      2
TP527
TP500
C768G
TP16
TP55
DG
D306G
1
2
3
+3.3V
TP100
+3.3V
DG
SFG
IC301G
8
VDD8
1 INT
41 ALE
3 CS
40 WR/RW
39 RD/DS
7
VSS7
9 AD0
10 AD1
11 AD2
12 AD3
18
VDD18
13 AD4
14 SLC/AD5
15 SDR/AD6
16 SDX/AD7
17
VSS17
19 A0
20 A1
21 A2
22 A3
23 A4
24 A5
25 A6
26 A7
33
VDD33
2 n.c.2
42 n.c.42
29 SDS1
6 RESO
30
AUX0
31
AUX1
32
AUX2
5 RES
38 AMODE
4
TP
37
VSS37
54
VSS54
34
VSS34
27
C768
35
XTAL1
36
XTAL2
46
VDDA
48
SR2
47
SR1
45
VSSA
43
SX1
44
SX2
56
VDD56
49 BCL/SCLK
50 DU
51 DD
52 FSC
53 DCL
55
VSS55
57 MODE0
58 MODE1/EAW
59
ACL
28 SDS2
60
AUX7
61
AUX6
62 AUX5
63 AUX4
64
AUX3
Q301G
E
C
B
R309G
100
TP204
R315G
22
C314G
0.1u
TP225
TP683
TP540
TP465
+3.3V
SA304G
300V
DG
C768F
TP306
DG
R301G
7.5
DG
C301G
33p
FIL33G
1
2
3
TP75
TP709
TP417
DG
TP157
D302G
1
2
SW301G
1
2
3
4
5
6
7
8
9
10
11
12
CN3GH
RJ45 2
Tx1
Rx2
Rx1
Tx2
TP189
TP454
TP292
R318G
10K
TP276
TP312
TP280
C309G
0.1u
TP144
SA303G
300V
FIL32G
1
2
3
D305G
1
2
3
C315G
0.1u
TP141
TP118
TP684
TP552
TP89
40V
R303G
1.8K
TP459
C302G
33p
C304G
0.1u
+3.3V
DG
TP443
TP217
R326G
1K
R305G
8.2K
SA302G
300V
J304G
NC
R304G
8.2K
J303G
NC
R329G
1K
R310G
7.5
TP428
TP35
R328G
1K
SA301G
300V
TP24
TP429
RX[6]
R325G
3.3 1/2W
C316G
0.1u
TP448
+15V
TP516
TP925
R307H
10K
TP179
D307H
1
2
3
RL301H
1
+
2
3
4
5
6
7
8 -
J302H
0
TP45
TP211
SFG
C317H
0.1u
DG
C305H
NC
TP483
J301H
0
40V_G
R317H
10K
C312H
0.1u
TP498
C311H
0.1u
T301H
1
2
3
4
16
15
14
13
5
6
7
8
12
11
10
9
TP129
TP318
R330H
1K
DG
TP50
TP522
R302H
1.8K
R308H
100
C313H
0.1u
C310H
33p
TH305H
DG
TP170
TP238
+3.3V
TP422
R316H
22
DG
D308H
1
2
3
TP79
D309H
1     2
TP524
TP503
TP20
TP58
DG
D306H
1
2
3
+3.3V
TP97
+3.3V
DG
SFG
IC301H
8
VDD8
1 INT
41 ALE
3 CS
40 WR/RW
39 RD/DS
7
VSS7
9 AD0
10 AD1
11 AD2
12 AD3
18
VDD18
13 AD4
14 SLC/AD5
15 SDR/AD6
16 SDX/AD7
17
VSS17
19 A0
20 A1
21 A2
22 A3
23 A4
24 A5
25 A6
26 A7
33
VDD33
2 n.c.2
42 n.c.42
29 SDS1
6 RESO
30
AUX0
31
AUX1
32
AUX2
5 RES
38 AMODE
4
TP
37
VSS37
54
VSS54
34
VSS34
27
C768
35
XTAL1
36
XTAL2
46
VDDA
48
SR2
47
SR1
45
VSSA
43
SX1
44
SX2
56
VDD56
49 BCL/SCLK
50 DU
51 DD
52 FSC
53 DCL
55
VSS55
57 MODE0
58 MODE1/EAW
59
ACL
28 SDS2
60
AUX7
61
AUX6
62 AUX5
63 AUX4
64
AUX3
Q301H
E
C
B
R309H
100
TP199
R315H
22
C314H
0.1u
TP229
TP468
+3.3V
SA304H
300V
DG
C768G
TP305
DG
R301H
7.5
DG
C301H
33p
FIL33H
1
2
3
TP77
TP710
TP424
DG
TP167
D302H
1
2
SW301H
1
2
3
4
5
6
7
8
9
10
11
12
CN3GH
RJ45 2
Tx1
Rx2
Rx1
Tx2
TP194
TP475
TP289
R318H
10K
TP273
TP309
TP287
C309H
0.1u
TP143
SA303H
300V
D305H
1
2
3
C315H
0.1u
TP134
TP120
TP685
TP550
TP90
40V
R303H
1.8K
TP484
C302H
33p
C304H
0.1u
+3.3V
DG
TP491
TP219
R326H
1K
R305H
8.2K
SA302H
300V
J304H
NC
R304H
8.2K
J303H
NC
R329H
1K
R310H
7.5
TP413
TP31
R328H
1K
SA301H
300V
TP22
TP415
RX[7]
R325H
3.3 1/2W
C316H
0.1u
TP480
+15V
TP519
SA305F
NC
SA306F
NC
SA305G
NC
SA306G
NC
SA305H
NC
SA306H
NC
R306F
0
2125
R306G
0
2125
R306H
0
2125
40VH
40GH
40VG
40GG
40VF
40GF
C7MH
C7MG
C7MF
F
G
H
KX-TDA0288XJ/KX-TDA0288CE MAIN BOARD No.4  2/2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(13)
(14)
(8)
(9)
(10)
(11)
(12)
(15)
36
KX-TDA0288XJ / KX-TDA0288CE  
1.20. No.5
Change from the Original Service Manual Section 16.5.
40V
L505
C407
50V 100u
40V_
G
40V
+40V
DG
P.G
ZNR501
56V
FG
FG
ZNR502
56V
R507
22K
3216
TP385
IP501
60V/750mA
L501
1.0A/100u
TP387
+3.3V
R515
22K
TP386
TP824
J327
0
TH1
TP1073
IC501
1
CE/CSS
2
VSS
3
FB
4
EXT/
5
VIN
C510
0.47
+15V
D512
VZ=5.1V
TP823
DG
R501
0
1/8W
C503
0.1u
50V
TP807
Q503 S
D
G
R511
47K
C507
0.1u
DG
P.G
L507
21P600
TP86
TP813
R508
47K
DG
P.G
R506
15K
DG
P.G
C501
0.1u
50V
C511
NC
D513
D502
30V 2A
1     2
TP382
TP808
D511
Q504
1
6
2
TP395
TP267
DG
P.G
L502
0
(3216)
DG
D510
R510
2.2K
1/8W
DG
TP374
R502
10K 1%
R505
27.4K 1%
TP389
R514
10K
R509
10K
TP268
Q504
4
3
5
TP394
DG
TP1076
R513
33K
TP811
R512
1K
+3.3V
R504
56
(3216)
C402
100u
25V
C401
100u
25V
40V_G
40V
P.G
C502
0.01u
C404
330u
6.3V
Q505
S
D
G
3.3V
0
15V
0
15V
0
15V
250-300KHz
0
KX-TDA0288XJ/KX-TDA0288CE MAIN BOARD No.5
Page of 38
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