Panasonic KX-TG2873BXS, Руководство по обслуживанию

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70
KX-TG2873BXS/KX-TGA280BXS
Note:
(*2) (*3) Refer to Input Level (P.77)
3/4
KX-TG2873BX SCHEMATIC DIAGRAM (Base Unit_Main_3/4)
(a) (b) (c) (d) (e) (f) (g) (h) (j) (m) (p) (r) (s)
(9)
(8)
(11)
(13)
(15)
(17)
(19)
(21)
(23)
(25)
(27)
(29)
(31)
(33)
(35)
(37)
(39)
(10)
(12)
(14)
(16)
(18)
(20)
(22)
(24)
(26)
(28)
(30)
(32)
(34)
(36)
(38)
(40)
(41)
(7)
(43)
(42)
(44)
(45)
(46)
(47)
(48)
(49)
(50)
(51)
(52)
(53)
(54)
(55)
(57)
(56)
(i) (k) (n) (q)
about 600 mVpp
(*2)
(*3)
RX (Handset) TX (Handset) RX (Speaker) TX (MIC) RX (cordless handset)
BB1.8V
BB1.8VB
BB3.0V
BB3.0V
BB3.0V
BB3.0V
BB3.0V
BB3.0V
BB3.0V
BB3.0V
DG
DG
DG
DG
DG
DG
DG
DG
DG
VREF+
LREF
DG
DG
DG
DG
DG
BB3.0V
BB3.0V
DG
DG
DG
BB1.8V
TP32
TP16
TP22
TP31
TP24
TP217
TP23
TP30
TP27
TP29
TP19
D2
D3
D5
D6
D4
BB3.0V
IC5
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
IC3
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
10k R6
10k
R500
R501
10k
33k
R20
100k
R11
2.2K
R36
R18
100
R17
33
K1000p
C36
K0.1u C20
K0.1u
C14
( )
NC C15
C7
K0.22u
TP51
R16
33
K1u C40 TP229
DG
DG
C34
J15p
DG
IC501
1
A15
2
A14
3
A13
4
A12
5
A11
6
A10
7
A9
8
A8
9
A19
10
A20
11
WE
12
RESET
13
NC
14
WP/ACC
15
RY/BY
16
A18
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
24
A1
25
A0
26
CE
27
VSS
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
VSS
47
BYTE
48
A16
DG
K0.01u C9
K0.01u C10
K0.01u C21
K0.01u C24
DG
( )
NC
C46
( )
NC
C47
TP220
TP226
J100p
C501
J100p C506
J100p C39
J100p
C38
J100p
C44
( )
NC
C508
J100p C45
( )
NC
C503
( )
NC C49
DG
( )
NC
C48
( )
NC
R142
( )
NC
R143
IC500
NC
1
A4
2
A3
3
A2
4
A1
5
A0
6
CE1
7
I/O0
8
I/O1
9
I/O2
10
I/O03
11
VCC11
12
VSS12
13
I/O4
14
I/O5
15
I/O6
16
I/O7
17
WE
18
A15
19
A14
20
A13
21
A12
22
NC22
23
NC23
24
A11
25
A10
26
A9
27
A8
28
CE2
29
I/O8
30
I/O9
31
I/O10
32
I/O11
33
VCC33
34
VSS34
35
I/O12
36
I/O13
37
I/O14
38
I/O15
39
LB
40
UB
41
OE
42
A7
43
A6
44
A5
TP1
( )
NC R504
DG
K330p
C131
DG
TP28
BB3.0V
10k R14
( )
C500
NC
( )
NC
C23
Z0.1u C8
Z0.1u C13
C502 Z0.1u
( )
C507
NC
IC4
1 VDDIO-1
2 VSS-2
3 AD8
4 AD9
5 AD10
6 AD11
7 AD12
8 AD13
9 AD14
10 P3[7]/PD7
11 P3[1]/PD1
12 P3[5]/PD5
13 P3[4]/PD4
14 P3[3]/PD3
15 P3[2]/PD2
16 VDD-16
17 VSS-17
18 RFCLK
19 VDDRF
20 VSSRF
21 XTAL1
22 CAP
23 AVS
24 AVD
25 RSSI
26 RDI
27 CMPREF
28 TDO
29 AD15
30 AD16
31 AD17
32 AD18
33 AD19
34 AD20
35 AD21
36 AD22
37 AD23
38 LE
39
SO
40
SK
41
DAC/ADC2
42
P3[6]/PD6
43
RDN
44
WRN
45
MI/READY
46
SCLK
47
UTX/P0[0]
48
URX/P0[1]
49
JTIO/P0[2]
50
PCM_FSC1/P0[3]
51
PCM_FSC0/P0[4]
52
PCM_CLK/P0[5]
53
PCM_DOUT/P0[6]
54
PCM_DIN/P0[7]
55
VDDIO-55
56
VSS-56
57
DREQ0n/INT0n/P1[0]
58
DACK0n/INT1n/P1[1]
59
ACS1/DREQ1n/INT2n/P1[2]
60
ACS0
61
ACS2/DACK1n/INT3n/P1[3]
62
HOLDn/INT4n/P1[4]
63
VDDE/HOLDACKn/INT5n/P1[5]
64
BE1n
65 BE0n
66 SCL2/P3[0]
67 SDA2
68 DAB0
69 DAB8
70 DAB1
71 DAB9
72 DAB2
73 DAB10
74 DAB3
75 DAB11
76 VSS-76
77 VDD-77
78 VDDIO-78
79 P2[0]/PWM0/SPIDI
80 P2[1]/PWM1/SPICLK
81 P2[2]/ADC0/CLK100
82 P2[3]/ADC1
83 P2[4]/SCL1
84 P2[5]/SDA1
85 DAB4
86 DAB12
87 DAB5
88 DAB13
89 DAB6
90 DAB14
91 DAB7
92 DAB15
93 TM
94 P2[7]/SPIDO
95 P1[6]/PON/INT6n
96 P1[7]/CHARGE/INT7n
97 P2[6]/stop_charge
98 VBAT3/RINGING
99 LINEREF
100
LINEOUT
101
102 LINE_IN-
103
LDO1_Sense
104
LDO1_CTRL
105
LDO2_CTRL
106
VBAT2
107
CIDIN+
108
AVS2
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
RA1
1
2
3
4 5
6
7
8
RA4
1
2
3
4 5
6
7
8
RA3
1
2
3
4 5
6
7
8
RA2
1
2
3
4 5
6
7
8
BB3.0V
BB3.0V
BB3.0V
C35
J15p
DG
10k
R7
4.7k
R8
L2
22nH
C3p C11
K0.01u C27
DG
TP201
IC6 NC
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
BB3.0V
( ) NC R57
BB3.0V
BB3.0V
( )
NC
C57
DG
K0.1u C912
DG
J100p C55
( )
NC
R56
2.2k
R916
BB1.8V
220
R915
K330p C913
TP903 TP904
M4.7u C914
100
R255
K330p
C238
1k
R35
L202
TP224 TP221
150
R239
BB3.0V
L200
TP222
1k
R227
TP225
150
R238
DG
1k
R236
L201
K330p
C228
TP219
TP17
100
R226
TP230
M4.7u
C227
L203
DG
TP18
VREF+
AD[1]
DAB[11]
DAB[3]
DAB[10]
DAB[2]
DAB[9]
DAB[1]
DAB[8]
DAB[0]
AD[19] AD[18] AD[8] AD[7] AD[6] AD[5] AD[4] AD[3] AD[2] AD[21]
DAB[4]
DAB[12]
DAB[5]
DAB[13]
DAB[6]
DAB[14]
DAB[7]
DAB[15]
ROW4 ROW2 ROW0
AD[9] AD[10] AD[11] AD[12] AD[13] AD[14] AD[15] AD[16]
LINE_IN-
AD[13] AD[14] AD[15] AD[16] AD[1] AD[2] AD[3] AD[4] AD[5]
AD[12] AD[11] AD[10]
AD[9] AD[8] AD[7] AD[6]
DAB[15]
DAB[7]
DAB[14]
DAB[6]
DAB[13]
DAB[5]
DAB[12]
DAB[4]
DAB[11]
DAB[3]
DAB[10]
DAB[0] DAB[1] DAB[8] DAB[9] DAB[2]
AD[17]
KEYTONE
ROW5
DAB[3]
DAB[2]
DAB[1]
DAB[0]
DAB[11]
DAB[10]
DAB[9]
DAB[8]
DAB[12]
DAB[13]
DAB[14]
DAB[15]
DAB[4]
DAB[5]
DAB[6]
DAB[7]
RCVCNT
COL0
COL1
COL3
COL4
COL2
DW/MICCNT
/IOCS
AD[1] AD[3] AD[5] AD[7] AD[2] AD[4] AD[6]
ROW1 ROW3
ACFL /IOCS
LINEOUT
DAB[11] DAB[10]
DAB[9] DAB[8]
DAB[12] DAB[13] DAB[15] DAB[14]
BELL
LCD_RST
DP
/IOCS
SPMUTE
HSIN
RVS1
RVS2
LCDBL
ODH1
ANSL
ODH2
TOPL
nHS
STB
DCRCNT
URX UTX
SDA1
SCL1
DAB[7] DAB[6] DAB[5] DAB[4] DAB[3] DAB[2] DAB[1] DAB[0]
HFMIC
DHRX/HFMIC
HLDRST
HSMIC+ LSR- HSMIC- LSR+
MIC+ MIC-
VREF-
MIC- LSR- LSR+ MIC+
Land for soldering
Reference No.
BBIC Block
Line control Block Signal Route Block Power source Block Doorphone I/F Memory Block RF control Block CSJ I/F Other
TP for MIC ASSY
NC: No Components