Panasonic KX-TGA280BXS, Руководство по обслуживанию

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59
KX-TG2853BXS/KX-TG2854BXS/KX-TGA280BXS
13.2. Schematic Diagram (Base Unit)
NC: No Components
Charge Current
RX_AF
1.8V
3.45V
3.0V
TX_AF
Loop Current
Caller ID
Bell Signal
Beep signal
TAM-AF
+8V +3.45V
+3.45V
DCP
DCM
L1T
L1R
LINE_DC
Q104
VDD3
22V
D308
20V
D104
Q105
+3.0V
+3.0V
+1.8V
+1.8V
+1.8V
VDD1
+1.8V
+3.0V
VDD2
1K
RA61
1
2
3
4
5
6
7
8
RST
1
CD
2
+VREF
3
+VIN
4
-VIN
5
VOUT1
6
V+
7
GND
8
VOUT2
+3.45V
D409
K0.01u
C25
K0.1u
C13
K2.2u
C177
K0.01u
C12
K0.01u
C24
( )
C184
NC
( )
C302
NC
( )
C408
NC
K1u
C413
( )
C141
NC
K0.01u
C9
C17
K0.01u
( )
C109
NC
K1u
C191
K0.1u
C412
( )
NC
C15
C133
K6800p
( )
C128
NC
C310 D10p
C105
K680p
( )
C127
NC
K0.1u C174
C22
K0.01u
C45
D7p
K0.01u
C171
C321
K1u
K0.01u
C10
( )
C183
NC
C306
K1000p
C136
K1u
K0.01u
C27
K1u
C411
0
C181
K470p
C403
( )
C129
NC
K0.01u
C402
K0.22u
C194
( )
C175
NC
( )
C331
NC
C332
K1u
J15p
C333
( )
C192
NC
C138 D10p
C123
K6800p
C44
D10p
( )
C108
NC
C137
K5600p
( ) C320
NC
C135
K0.01u
K0.1u
C407
K4700p
C176
K1200p
C410
( )
C401
NC
C7
K0.22u
C125
K0.01u
C301 D10p
K0.22u
C193
( )
C107
NC
C104
K680p
C303
16V100u
50V10u
C182
470K
R404
15K
R325
2.7K
R105
820
R183
R133
22K
R128
100
2.2K
R108
1K
R5
39K
R408
R138
100
12 1/2W
R178
10K
R115
R123
22K
6.8K
R405
J5
0
27K
R172
R139
100
22K
R409
( )
R129
NC
100K
R177
27 1/2W
R179
0
R116
F5.6K
R334
82
R182
R127
5.6K
10K
R106
R40
2.2M
F13K R333
56
R194
R16 33
33K
R181
10K
R15
100K
R103
J6
D10P
56
R193
R303 F187
0
R174
2.7K
R176
R137
5.6K
8.2K
R173
R18 100
R122
27K
R302 F330
R132
27K
R17
33
5.6K R332
D66
D65
D64
D103
1
2 3
4
Q3
Q2
( )
C312
NC
SA102
300V
100K
R144
100K
R145
K0.15u
C144
K0.15u
C145
K0.68u
C146
4.7K
R146 D146
Q146
R147
47K
+3.0V
J7
10K
( )
L102
NC
( )
L103
NC
( )
Q109 NC TP9
TP10
C147 K0.1u
( )
Q149
NC
+3.0V
( )
NC
R161
100K R165
( )
C150
NC
+3.0V
( )
NC
R162
( )
Q150
NC
100K R166
( )
R141
NC
( )
R151
NC
( )
NC
R142
( )
NC
R152
( )
C151
NC
( )
C149
NC
C18 K1u
R19 100
( )
Q148 NC
( )
D141
NC
( )
D151
NC
R78
120
R79
150
( )
C178
NC
Q78
Q79
( )
C179
NC
CHGP
CHGM
CN101
1 a
2 b
SCLK
P45
BELL
P53
6.3V330u
C311
3000V SA101
100
R9
C19
D10p
C20
D10p
TP11
( )
NC
R143
Q171
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
XT
AL1
22
CAP
23
AV
S
24
AV
D
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
SD
A2
68
D
AB0
69
D
AB8
70
D
AB1
71
D
AB9
72
D
AB2
73
DA
B
1
0
74
D
AB3
75
DA
B
1
1
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]/SD
A1
85
D
AB4
86
DA
B
1
2
87
D
AB5
88
DA
B
1
3
89
D
AB6
90
DA
B
1
4
91
D
AB7
92
DA
B
1
5
93
TM
94
P2[7]/SPIDO
95
P1[6]/PON/INT6n
96
P1[7]/CHARGE/INT7n
97
P2[6]/stop_charge
98
VBA
T3/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
CN2
1 GND
2 ROW0
3 ROW1
4 ROW2
5 COL0
6 COL1
7 COL2
8 LED2
9
LED1
10 VDD
X1
10.368MHz
1
Adj/GND
2
VOUT
3
VIN
( )
R113
NC
( )
R306
NC
82 1/2W
R304
82 1/2W
R305
68 1/2W
R309
R310
68 1/2W
( )
NC
R308
C121
K0.022u
C131
K0.022u
CN301
1 +
2 -
1K
RA62
1
2
3
4
5
6
7
8
C126
K1u
AD[11] AD[9]
AD[6]
AD[21]
AD[4]
D
A
B[0]
HOOK
AD[2]
AD[7]
D
A
B[8]
ROW0
AD[5]
D
A
B[1]
ROW2
AD[3]
D
A
B[9]
SPAMP_CD
AD[1]
D
A
B[2]
D
A
B[15]
ROW1
D
A
B[10]
D
A
B[7]
D
A
B[3]
D
A
B[14]
D
A
B[11]
D
A
B[6]
D
A
B[13]
AD[18] AD[19]
D
A
B[5]
AD[16] AD[17]
D
A
B[12]
AD[15]
D
A
B[4]
AD[14] AD[12] AD[10] AD[8] AD[13]
ANT1 ANT2 PA
O
N
SYRI
CID_INN
CID_INP
CID_LSRn
RSSI RXD
A
TXD
A
SYEN
SYDA
SYCL
RXDSG
ANS_LED
INUSE_LED
LINE_SEIZURE
RVS2
RV
S
1
OFFHOOK_DC
LINE_SEIZURE
RINGING
CID_INN
CID_OUT
MICn
COL0
COL1
COL2
COL0
COL1
ROW0
ROW1
ROW2
CID_INP
SP
AMP_CD
CID_OUT MICn
CID_LSRn
ANS_LED
COL2
HOOK
RVS2
RVS1
INUSE_LED
RINGING
Charge -
IN-USE LED
ANSER LED
-
+
IC402
IC1
IC301
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)