Panasonic KX-TEA308RU / KX-TE82460X / KX-TE82492X / KX-TE82493X / KX-A227X Service Manual ▷ View online
65
KX-
TEA30
8RU
21
SCHEMATIC
SCHEMATIC
DIAGRAM
(KX-TEA308RU)
21.1.
MAIN
No.1
(Extention
A-D
Block)
1/4
KX-TEA308RU MAIN NO.1 (1/4)
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(1)
(2)
(3)
(4)
(5)
(6)
(7) (8)
(9) (10)(11)
33K
R207D
ZNR202D
ZNR201D
D205D
50V/4.7u
C205D
Q200D
E
C
B
4
ZNR200D
0.01u
C201D
47K
R215D
0.039u
C206D
CN200D
1
D204D
250mA Vz3.9v
1
2
2
3
1K 1W
R206D
D209D
6.8K
R200D
0.01u
C200D
Q202D
E
C
B
FG
FG
33K
R210D
15K
R209D
56K
R208D
ZNR203D
68 1/4W
R204D
12K
R211D
10K
R221D
+3.3V
VAG
D203D
D202D
C204D
50V/2.2
270
R220D
C208D
50V/1u
EXT[4]
EXT[3]
0
R216D
1K
R219D
RL201D
1
8
AG
AG
AG
AG
AG
68
R205D
6.8K
R201D
6.8K
R200C
0.01u
C200C
D202C
C208C
50V/1u
Q200C
E
C
B
FG
AG
C204C
50V/2.2
ZNR202C
ZNR200C
AG
270
R220C
68 1/4W
R204C
AG
Q202C
E
C
B
FG
4
CN200C
1
ZNR201C
ZNR203C
2
TP215C
TP207C
TP204C
TP207D
TP205D
TP214D
TP215D
TP216D
TP225D
TP208D
TP230D
TP212D
TP206C
TP213D
TP222D
TP230C
TP210D
TP218D
TP217D
TP206D
TP211D
TP212C
TP220D
TP204D
TP210C
D208D
3
L204D
1.5mH
L204C
1.5mH
TH2D
TH2C
TP227D
DA200D
1
2
3
D208C
3
T200D
1
3
4
5
T200C
1
3
4
5
TP202D
TP202C
TP203D
TP209D
TP219D
TP219C
Q203D
E
C
B
Q209C
E
C
B
Q209D
E
C
B
Q201D
E
C
B
RL201D
2
3
4
RL201C
2
3
4
RL201D
7
6
5
+15V
+15V
+15V
+27V
+27V
AG
AG
AG
U200D
1
6
2
4
3
5
TP221D
10K
R218D
Q207D
E
C
B
22 1/4W
R202D
22 1/4W
R203D
22 1/4W
R202C
FG
0.01u
C209D
0.01u
C207D
0.01u
C210D
FG
0.01u
C209C
0.01u
C207C
0.01u
C210C
TP231D
TP201D
TP232D
TP200D
J205D
0
L205D
NC
1
2
3
4
J204D
0
J204C
0
TP231C
TP201C
L205C
NC
3
4
2
1
NC
R222D
NC
R222C
C202D
10u
C203D
10u
C202C
10u
D1D
TXPWR
D1C
TXPWR
HOOK[4]
BELL[4]
RXD
TD
RD
TC
D
m
b
m
b
m
b
1
2
1
2
1
2
D
C
B
A
4
5
6
3
2
1
OVER CURRENT
LIMITTER
LIMITTER
PROTECTOR
66
KX-
TEA30
8RU
(1)
(2)
(3)
(4)
(5)
(6)
(7) (8)
(9)(10)(11)
2/4
KX-TEA308RU MAIN NO.1 (2/4)
(k)
(j)
(i)
(m)
(n)
(p)
(q)
56K
R208C
12K
R211C
1K 1W
R206C
15K
R209C
D205C
D204C
250mA Vz3.9v
1
2
6.8K
R201C
33K
R210C
10K
R221C
68
R205C
1K
R219C
0
R216C
0.039u
C206C
AG
33K
R207C
D203C
0.01u
C201C
+3.3V
47K
R215C
RL201C
AG
D209C
50V/4.7u
C205C
VAG
3
TP217C
TP218C
TP211C
TP225C
TP205C
TP227C
TP214C
TP220C
TP222C
TP216C
TP213C
TP208C
DA200C
1
2
3
TP203C
TP209C
TP221C
Q201C
E
C
B
Q203C
E
C
B
RL201C
7
6
5
CN200B
1
DA200B
3
1K 1W
R206B
15K
R209B
Q209B
E
C
B
D203B
12K
R211B
47K
R215B
270
R220B
TP202B
D202B
TP211B
RL201B
TH2B
TP210B
AG
RL201B
2
3
4
2
D204B
250mA Vz3.9v
1
2
TP204B
TP217B
AG
33K
R207B
TP230B
AG
33K
R210B
TP221B
TP215B
TP213B
C204B
50V/2.2
VAG
L204B
1.5mH
Q200B
E
C
B
T200B
1
3
4
5
RL201B
7
6
5
TP207B
D205B
TP216B
ZNR200B
FG
1K
R219B
FG
0.039u
C206B
4
D209B
TP208B
Q203B
E
C
B
TP203B
AG
50V/4.7u
C205B
ZNR202B
68 1/4W
R204B
ZNR201B
Q202B
E
C
B
TP214B
ZNR203B
TP220B
10K
R221B
TP218B
TP222B
TP209B
68
R205B
TP227B
TP206B
56K
R208B
6.8K
R201B
TP219B
0
R216B
0.01u
C201B
+3.3V
TP225B
3
C208B
50V/1u
TP205B
0.01u
C200B
TP212B
AG
6.8K
R200B
EXT[2]
D208B
3
Q201B
E
C
B
+15V
+15V
+15V
+27V
AG
AG
AG
AG
AG
AG
U200C
1
6
2
4
3
5
U200B
1
6
2
4
3
5
10K
R218C
10K
R218B
Q207C
E
C
B
Q207B
E
C
B
22 1/4W
R203C
22 1/4W
R202B
22 1/4W
R203B
FG
0.01u
C209B
0.01u
C207B
0.01u
C210B
TP200C
J205C
0
TP232C
TP200B
TP232B
J204B
0
L205B
NC
3
4
2
1
J205B
0
TP231B
TP201B
NC
R222B
C203C
10u
C202B
10u
C203B
10u
HOOK[3]
D1B
TXPWR
BELL[3]
RC
TB
RB
C
b
m
m
m
b
B
b
1
2
1
2
1
2
1
2
1
8
1
2
1
2
1
8
F
E
H
G
4
5
6
3
2
1
OVER CURRENT
LIMITTER
LIMITTER
PROTECTOR
67
KX-
TEA30
8RU
3/4
KX-TEA308RU MAIN NO.1 (3/4)
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(12)(13) (14)
(15) (16)(17)
TXD[4]
TXD[3]
TXD[2]
TXD[1]
EXP
TP215A
TP210A
TP230A
TP216A
Q209A
E
C
B
C208A
50V/1u
CN200A
1
AG
D204A
250mA Vz3.9v
1
2
0.039u
C206A
D208A
3
Q200A
E
C
B
D203A
RL201A
7
6
5
VAG
33K
R207A
EXT[1]
TP220A
C204A
50V/2.2
68 1/4W
R204A
15K
R209A
ZNR202A
TH2A
47K
R215A
TP222A
TP206A
Q202A
E
C
B
RL201A
2
3
4
4
TP221A
DA200A
1
2
3
L204A
1.5m H
Q203A
TP203A
12K
R211A
1K 1W
R206A
T200A
1
3
4
5
ZNR203A
TP205A
AG
TP214A
0.01u
C200A
TP213A
0.01u
C201A
TP217A
68
R205A
50V/4.7u
C205A
ZNR200A
D209A
270
R220A
TP211A
2
+3.3V
56K
R208A
TP225A
1K
R219A
TP204A
TP207A
Q201A
TP208A
AG
TP209A
FG
ZNR201A
D202A
3
AG
D205A
0
R216A
6.8K
R201A
6.8K
R200A
RL201A
1
8
33K
R210A
TP218A
TP227A
AG
TP202A
10K
R221A
FG
TP212A
RXD
TXPWR
+15V
+15V
+27V
AG
AG
AG
U200A
1
6
2
4
3
5
10K
R218A
Q207A
E
C
B
22 1/4W
R202A
221/4W
R203A
FG
0.01u
C209A
0.01u
C207A
0.01u
C210A
RL202A
9
10
8
RL202A
4
3
5
RL200A
4
3
5
T[1]
RL200A
9
10
8
R[1]
PDRLY
TP283
TP284
TP250
RL202A
1
12
R227
6.8K
TP249
AG
+15V
0
R229
TP282
+15V
RL200A
1
12
D221
Q217
E
C
B
AG
AG
R226
10K
Q216
E
C
B
R228
6.8K
R225
10K
TP219A
J200
NC
J201
NC
TP231
TP232
J205A
0
J204A
0
L205A
NC
3
4
2
1
TP201A
TP200A
TP232A
TP231A
NC
R222A
C202A
10u
C203A
10u
TXD[1]
TXPWR
EXP
HOOK[1]
D1A
RXD
TA
RA
m
b
A
m
b
m
b
m
b
m
b
b
m
E
C
B
E
C
B
1
2
1
2
1
2
D
C
B
A
7
8
11
12
10
9
P.F.
RELAY
RELAY
OVER CURRENT
LIMITTER
LIMITTER
PROTECTOR
68
KX-
TEA30
8RU
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