Schematic Diagram (Main) - Panasonic KX-TS620B Service Manual

KX-TS620B / KX-TS620W

6 SCHEMATIC DIAGRAM (MAIN)

CN403
R933 1K
MSG_LED 1
R935 1K
SP_LED 2
L301
VDD 3
2KA213
D907
STB5 4
D908
STB4 5
D909
STB3 6
D910
STB2 7
D911
STB1 8
D912
STB0 9
RA3
KIN5 10 220
1 8
KIN4 11 2 7
3 6
KIN3 12 4 5
KIN2 13
R927 220
KIN1 14
R926 220
KIN0 15
NC 16
TP601
MIC 17
GND 18
TP602
SP-Phone TX
- Audio
LCD
2KA213
Vcc 1
L302
GND 2
D4 3
L321
D5 4
L322
D6 5
L323
D7 6
L324
R/W
7
L325
E
8
L326
D/C
9
L327
CS 10
L328
RES 11
L329
3.2V
DC
IC902
AD17
16MB
AD16
1
A15 A16
AD15
2
A14 BYTE
AD14
3
A13 VSS
AD13
4
A12 DQ15
AD12
5
A11 DQ7
AD11
6
A10 DQ14
AD10
7
A9 DQ6
AD9
8
A8 DQ13
AD21
9
A19 DQ5
10
+3.2V
NC DQ12
11
WE DQ4
12
RESET VCC
13
NC DQ11
14
WP DQ3
15
RY DQ10
AD19
16
R903 A18 DQ2
AD18
17
100
A17 DQ9
AD8
18
A7 DQ1
AD7
19
A6 DQ8
AD6
20
A5 DQ0
AD5
21
A4 OE
AD4
22 A3
VSS
AD3
23 A2
CE
AD2
24 A1
A0
AD1
NC: No Components
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Q902 +3.2V
3.2V
Q901
DC
IC905
DAB0
DAB1
C956 K0.1
1 20
CLR VCC
2 19
1Q 8Q
DAB7
3 18
1D 8D
DAB6
4 17
2D 7D
5 16
2Q 7Q
6 15
3Q 6Q
DAB5
7 14
3D 6D
DAB4
8 13
4D 5D
9 12
4Q 5Q
10 11
GND CLK
DAB3
DAB2
+3.2V
C946 K0.1 R991 100
R902
100K
C906
K0.022
R989
100K
TP902
C944
K220P
+1.8V
R906 1K
+3.2V
C939 Z0.1
48
47
46
DAB15
45
DAB7
44
DAB14
43
DAB6
42 TP903
+3.2V
C942
DAB13
41
DAB5
40 NC
R952
DAB12
39
DAB4
38
2.2K
37
R951
DAB11
36
DAB3 AD1
35
2.2K
DAB10 AD2
34
DAB2 AD3
33 TP905
DAB9 AD4
32
DAB1 AD5
31
+3.2V
DAB8 AD6
30
DAB0 AD7
29
IC903
+3.2V
28
27 VOUT VCC
26
+3.2V
25
2.7V
TP904
IC904
C925
1 8
CD VO2
4.0V
6.3V220
2 7
FC2 GND
DC
C927
3 6
FC1 VCC
Z1.0
C928
4 5
VO1
Z1.0
C929 K220P
C930 R925
R924 120K
K0.015 39K
3.2V
DC
+3.2V +1.8V
Q702 Q701
R992
100
L313
R998 10K
R997 10K
C947 J10P
C949
K1000P
RA7 RA6
220 220
103 LD01_Sence
LD01_CTRL
104
105 LD02_CTRL
VBAT2
106
107 CIDIN+
108 AVS2
109 AVD2
110 LSR+/REF
111 LSR-/REF
112 CIDIN-
CIDOU T
113
IC901
114 MIC-
VREF-
115
116 VBUF
AGND
117
118 MIC+
3.2V DC
119 VREF+
120 RSTn
121 AD0/EXT_MEMORY
1.8V DC
122 AD1
123 AD2
124 AD3
0V
125 AD4
AD5
126
127 AD6
AD7
128
+1.8V
L305
12
T1
C7
5 1
16V10
4
3 2
TP603
SPH+
SP
TP604
SPH-
SP-Phone RX
- Audio
- Bell signal
- Tone
1.8V
DC
RX (OFF Hook)
- Audio
- Call waiting
L311
L316
+1.8V C941 Z0.1
C959 K1000P
C940 Z0.1
RA5 RA4
220 220
64
BE1n
63
BELL
ROW5
62
ROW5
61
HSIN
60
CE
L317
IOCS 59
HOOKDET 58
ACFL 57
C943
VSS 56
VDDIO 55
ROW4
Z0.1
ROW4 54
ROW3
ROW3 53
ROW2
ROW2 52 C958
ROW1
ROW1 51 K1000P
ROW0
ROW0 50
JTIO 49
TP901
URX 48
UTX 47
SCLK 46
MI/READY 45 R914 0
WE 44
OE 43
R915 0
HeadsetDET 42
EXHOOOKDET 41
SK 40
SO 39
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