DOWNLOAD Panasonic KX-TS2570UAB / KX-TS2570UAW Service Manual ↓ Size: 1.72 MB | Pages: 47 in PDF or view online for FREE

Model
KX-TS2570UAB KX-TS2570UAW
Pages
47
Size
1.72 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / TELEPHONE EQUIPMENT
File
kx-ts2570uab-kx-ts2570uaw.pdf
Date
PREV: Panasonic KX-TS2570RUB / KX-TS2570RUW (serv.man8) Service Manual / Supplement

Panasonic KX-TS2570UAB / KX-TS2570UAW Service Manual ▷ View online

29
KX-TS2570UAB/KX-TS2570UAW
9.2.3.
How to Install the IC
1. Temporarily fix the FLAT PACKAGE IC, soldering the two marked pins.
*Check the accuracy of the IC setting with the corresponding soldering foil.
2. Apply flux to all pins of the FLAT PACKAGE IC.
3. Solder the pins, sliding the soldering iron in the direction of the arrow.
9.2.4.
How to Remove a Solder Bridge
1. Lightly resolder the bridged portion.
2. Remove the remaining solder along the pins using a soldering iron as shown in the figure below.
30
KX-TS2570UAB/KX-TS2570UAW
10 Disassembly and Assembly Instructions
31
KX-TS2570UAB/KX-TS2570UAW
11 Schematic Diagram
11.1. For Schematic Diagram
1. SW1: Hook switch.
2. DC voltage measurements are taken with electronic voltmeter from negative voltage line.
3. (Add 40 mA to telephone line from the loop simulator.)
4. Off-hook condition
5. No Mack: Handset Mode
6. This schematic diagram may be modified at any time with the development of new technology.
7. The shades area on this schematic diagram incorporates special features important for protection from fire and elec-
trical shock hazards.
8. When servicing, it is essential that only manufacture's specified parts be used for the critical components in the
shaded areas of the schematic.
32
KX-TS2570UAB/KX-TS2570UAW
11.2. Schematic Diagram (Main)
R952
2.2K
C909
Z0.01
Z0.1
C948
10.368M
X900
R913
R704
5.6K
R702
5.6K
0
R914
0
R915
R925
39K
R701
15K
6.3V22
C937
K3300P
C904
SW101
SW101
T1
5
4
3
1
120K
R924
LCD
1
Vcc
2
GND
3
D4
4
D5
5
D6
6
D7
7
R/W
8
E
9
D/C
10
CS
11
RES
R932
100
C910
J18P
C911
J15P
2.2K
R934
C927
C929
K220P
C915
K3300P
IC901
1
V
DDIO
2
VSS
3A
D
8
4A
D
9
5A
D
1
0
6A
D
1
1
7A
D
1
2
8A
D
1
3
9A
D
1
4
10
SPLED
11
D/
C
12
D7
13
D6
14
D5
15
D4
16
VDD
17
VSS
18
RFCLK
19
VDDRF
20
VSSRF
21
XTAL
22
CAP
23
AVS
24
AVD
25
RSSI
26
RDI
27
CMPREF
28
TDO
29
AD15
30
AD16
39
SO
40
SK
41
EXHOOOKDET
42
HeadsetDET
43
OE
44
WE
45
MI/READY
46
SCLK
47
UTX
48
URX
49
JTIO
50
ROW0
51
ROW1
52
ROW2
53
ROW3
54
ROW4
55
VDDIO
56
VSS
57
ACFL
58
HOOKDET
73
DAB10
74
DAB3
75
DAB11
76
VSS
77
VDD
78
VDDIO
79
PULSE
80
R/W
81
E
82
AGC
83
CS
84
RES
85
DAB4
86
DAB12
87
DAB5
88
DAB13
89
DAB6
90
DAB14
91
DAB7
92
DAB15
93
TM
94
RLY
95
P1[6]/PON/INT6n
96
P1[7]/CHARGE/INT7n
97
P2[6]/stop_charge
98
RINGING
99
LINEREF
100
LINEOUT
101
LINE_IN+
102
LINE_IN-
109
AVD2
110
LSR+/REF
111
LSR-/REF
112
CIDIN-
113
CIDOUT
114
MIC-
115
VREF-
116
VBUF
117
AGND
118
MIC+
119
VREF+
120
RSTn
121
AD0/EXT_MEMORY
122
AD1
123
AD2
124
AD3
125
AD4
126
AD5
127
AD6
128
AD7
72
DAB2
71
DAB9
70
DAB1
69
DAB8
68
DAB0
67
SDA2
66
NEW_MSG
65
BE0n
63
BELL
62
ROW5
61
HSIN
60
CE
59
IOCS
104
LD01_CTRL
106
VBAT2
107
CIDIN+
108
AVS2
38
LE
37
AD23
36
AD22
35
AD21
33
AD19
105
LD02_CTRL
31
AD17
32
AD18
34
AD20
64
BE1n
103 LD01_Sence
IC902
16MB
1
A15
2
A14
3
A13
4
A12
5
A11
6
A10
7
A9
8
A8
9
A19
10
NC
11
WE
12
RESET
13
NC
14
WP
15
RY
16
A18
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
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
46
VSS
47
BYTE
48
A16
23 A2
24 A1
26
CE
27
VSS
25
A0
IC904
1
CD
2
FC2
3
FC1
4
VO1
6
VCC
7
GND
8
VO2
C925
6.3V220
Z1.0
Z1.0
C928
C926
K0.1
Q701
C702
16V10
Q702
R703
2.2K
C703
16V10
K0.015
C930
+3.2V
+1.8V
+3.2V
+3.2V
Z0.22
C901
+3.2V
D901
+3.2V
C7
16V10
1K
R8
R951
2.2K
1K
R906
K0.056
C903
+1.8V
IC905
1
CLR
2
1Q
3
1D
4
2D
5
2Q
6
3Q
7
3D
8
4D
9
4Q
10
GND
11
CLK
12
5Q
13
5D
14
6D
15
6Q
16
7Q
17
7D
18
8D
19
8Q
20
VCC
+3.2V
+3.2V
TP601
CN403
1
MSG_LED
2
SP_LED
3
VDD
4
STB5
5
STB4
6
STB3
7
STB2
8
STB1
9
STB0
10
KIN5
11
KIN4
12
KIN3
13
KIN2
14
KIN1
15
KIN0
16
NC
17
MIC
18
GND
R933
1K
R935
1K
220
R926
220
R927
Q902
Q901
SP
SPH+
SPH-
TP604
+3.2V
Z0.1
C924
D701
D902
R988
+3.2V
C938
C939
Z0.1
C940
Z0.1
C941 Z0.1
+1.8V
C704
C706
K0.1
C707
16V1000
C705
C942
NC
R903
100
Z0.1
C914
+1.8V
100K
R909
K220P
C907
K0.047
C908
1K
R904
C946 K0.1
R991 100
100
R905
100
R908
C950
J10P
C952
J10P
Z0.1
C913
R992
100
C943
Z0.1
Z0.1
C955
R993
100
TP902
TP903
TP904
RA3
220
1
2
3
4
5
6
7
8
D907
D908
D909
D910
D911
D912
R997 10K
R998
10K
C947 J10P
IC903
2.7V
VCC
VOUT
NC
GND
RA5
220
1
2
3
4
5
6
7
8
RA6
220
1
2
3
4
5
6
7
8
RA7
220
1
2
3
4
5
6
7
8
RA4
220
1
2
3
4
5
6
7
8
L301
TP602
L302
TP603
L311
L304
TP905
L305
L306
L312
K0.1
C956
C944
K220P
K0.022
C906
C945
K0.1
R989
100K
100K
R902
R990
NC
R133
1M
L321
L322
L324
L323
L326
L327
L325
L328
L329
L318
D920
L313
L314
L316
L317
L315
K1000P
C957
C959
K1000P
C958
K1000P
C949
NC
AD16
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD21
AD19
AD8
AD7
AD6
AD5
AD4
AD3
AD2
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD21
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD19
DAB15
DAB7
DAB14
DAB6
DAB13
DAB5
DAB12
DAB4
DAB11
DAB3
DAB10
DAB2
DAB9
DAB1
DAB8
DAB0
AD18
ROW5
ROW4
ROW3
ROW2
ROW1
ROW0
DAB4
DAB5
DAB6
DAB3
DAB2
DAB7
AD1
AD17
DAB1
DAB0
DAB11
DAB3
DAB10
DAB2
DAB9
DAB1
DAB8
DAB0
DAB15
DAB7
DAB14
DAB6
DAB13
DAB5
DAB12
DAB4
5
2
NC: No Components
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(17)
(16)
(18)
(19)
(20)
(21)
(22)
(29)
(24)
(23)
(25)
(26)
(27)
(28)
(30)
3.2V
DC
3.2V DC
1.8V DC
0V
4.0V
DC
1.8V
DC
3.2V
DC
3.2V
DC
SP-Phone RX
- Audio
- Bell signal
- Tone 
RX (OFF Hook)
- Audio
- Call waiting
SP-Phone TX
- Audio
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