Panasonic KX-TEB308UA / KX-TE82460X / KX-TE82493X / KX-A227X (serv.man5) Service Manual / Supplement ▷ View online
9
KX-TEB308UA
456
3
2
1
F
E
H
G
2/4
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(k)
(m)
(n)
(p)
(q)
(r)
(s)
KX-TEB308UA
MAIN NO.2 (2/4)
+
-
+
-
HOOK[7]
D1F
TXPWR
HOOK[6]
BELL[7]
BELL[6]
RG
TG
TF
EXT[6]
EXT[7]
R208G
56k
C200G
0.01u
R211G
12k
R206G
1k 1W
R209G
15k
D202G
D205G
1
2
D204G
250mA Vz3.9v
1
2
R201G 6.8k
R210G
33k
FG
AG
R221G
10k
C204G
50V/2.2
R205G
68
R219G
1k
ZNR202G
R216G
0
C206G
0.039u
AG
R207G
33k
D203G
C201G
0.01u
+3.3V
R215G
47k
RL201G
1
8
AG
D209G
1
2
C205G
50V/4.7u
N>
VAG
ZNR203G
2
3
TP217G
TP215G
TP218G
TP211G
TP225G
TP205G
TP227G
TP214G
TP220G
TP222G
TP206G
TP216G
TP213G
TP208G
DA200G
1
2
3
T200G
1
3
4
5
TP202G
TP203G
TP209G
TP221G
Q201G
E
C
B
Q203G
E
C
B
2
3
4
RL201G
7
6
5
RL201F
7
6
5
ZNR202F
D203F
C204F
50V/2.2
TP202F
TP220F
CN200F
1
C201F
0.01u
D202F
R206F
1k 1W
3
DA200F
1
2
3
FG
R220F
NC
Q201F
E
C
B
TP221F
TP213F
AG
FG
D204F
250mA Vz3.9v
1
2
RL201F
2
3
4
R216F
0
RL201F
1
8
Q209F
NC
E
C
B
R219F
1k
C208F
NC
R208F
56k
TH2F
NC
C205F
50V/4.7u
N>
R207F
33k
TP216F
AG
R204F
68
1/4W
TP225F
TP204F
R211F
12k
TP218F
TP214F
TP215F
TP207F
R215F
47k
AG
R205F
68
R209F
15k
Q200F
E
C
B
VAG
TP217F
TP222F
T200F
1
3
4
5
TP210F
+3.3V
AG
C200F
0.01u
TP205F
TP209F
ZNR201F
NC
2
R201F 6.8k
TP219F
AG
Q203F
E
C
B
D209F
1
2
R210F
33k
ZNR200F
NC
Q202F
E
C
B
L204F
NC
TP203F
TP227F
R221F
10k
R200F
6.8k
TP212F
TP208F
C206F
0.039u
TP211F
4
ZNR203F
D205F
1
2
EXT[6]
TP230F
D208F
NC
1
2
3
+15V
+15V
+15V
TP206F
+27V
AG
AG
AG
AG
AG
AG
U200G
1
6
2
4
3
5
U200F
1
6
2
4
3
5
R218G
10k
R218F
10k
Q207G
E
C
B
Q207F
E
C
B
R203G
22
1/4W
R202F
22
1/4W
R203F
22
1/4W
FG
C209F
NC
C207F
NC
C210F
NC
TP200G
TP232G
J204G
0
TP231G
J205G
0
TP201G
L205G
NC
12
3
4
J203G
NC
TP231F
TP200F
J204F
0
J205F
0
L205F
NC
12
3
4
TP232F
TP201F
J202F
NC
J203F
NC
R222G
NC
R222F
NC
C203G
10u
C202F
10u
C203F
10u
R223G
18k
R226G
680
C212G
2.2u
R224G
NC
TP223G
C212F
2.2u
R223F
18k
R226F
680
TP223F
R224F
NC
b
G
b
m
m
F
b
m
b
OVER CURRENT
LIMITTER
PROTECTOR
10
KX-TEB308UA
D
C
B
A
78
11
12
10
9
3/4
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(j)
(i)
(10)
(1
1)
(12)
(13)
(14)
(15)
KX-TEB308UA
MAIN NO.2 (3/4)
TXPWR
EXP
PTXE[0]
PTXE[1]
PTXE[2]
PTX[0]
PRX[0]
Q214
E
C
B
Q213
E
C
B
Q212
E
C
B
DG
DG
DG
TP258
TP259
RA200
10k
1
2
3
4
5
6
7
8
6
7
8
TP260
TP261
AG
TP230E
R220E
NC
D208E
NC
1
2
3
C208E
NC
EXT[5]
EXP
TXPWR
+15V
+15V
EXT[5]
C204E
50V/2.2
T200E
1
3
4
5
TP202E
TP214E
D202E
TP215E
D203E
R226E
680
C212E
2.2u
R223E
18k
TP223E
R224E
NC
TXD[8]
TXD[7]
D1E
TXD[5]
TXD[5]
TXPWR
TXD[6]
RXD
RXD
TE
RE
C209
0.022
+15V
TP237
TP239
TP245
TP238
TP240
TP246
AG
TXD[4]
TXD[3]
TXD[2]
TXD[1]
AG
ZNR201E
NC
ZNR202E
4
TP204E
ZNR200E
NC
C200E
Q209E
NC
E
C
B
3
FG
TP205E
TP206E
2
RL201E
2
3
4
FG
RL201E
7
6
5
C201E
ZNR203E
CN200E
1
RA201
10k
4
1
2
3
6
7
8
5
7
8
5
AG
J204E
0
TP201E
J205E
0
L205E
NC
12
3
4
TP232E
TP200E
TP231E
J203E
NC
J202E
NC
IC200
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
b
m
b
m
TXD
RXD
R234
NC
R235
2.2k
R232
27k
R231
27k
C211
1u
TP253
TP252
TP251
T201
2
4
6
7
9
10
D222
1
2
3
TP256
TP254
TP248
TP247
TP255
AG
RXD
TP207E
0.01u
TP210E
R204E
68
1/4W
R200E
6.8k
Q200E
E
C
B
Q202E
E
C
B
0.01u
AG
TP212E
+27V
R240
100
C214
2.2u
DG
VAG
R202E
22
1/4W
FG
C209E
NC
C207E
NC
C210E
NC
R222E
NC
C202E
10u
RXD
D220
R2374.7k
R238
1k
+3.3V
DG
TP257
VAG
DG
R239
47k
Q209
E
C
B
Q210
E
C
B
L204E
NC
TP219E
TH2E
NC
Q215
VAG
TP281
VAG
6V
ANALOG
SW
PROTECTOR
0V
3.3V
0V
32
s
3
s
3.3V
0V
32
s
1.2
s
16ms
8ms
4ms
15V
0V
4ms
3.3V
0V
8ms
3.3V
0V
16ms
3.3V
0V
OVER CURRENT
LIMITTER
PROTECTOR
11
KX-TEB308UA
F
E
H
G
78
11
12
10
9
4/4
(k)
(m)
(n)
(p)
(q)
(r)
(s)
(10)
(1
1)
(12)
(13)
(14)
(15)
KX-TEB308UA
MAIN NO.2 (4/4)
U200E
+
-
HOOK[5]
HOOK[5]
TXPWR
TXPWR
D[7]
D[1]
D[3]
D[5]
D[0]
D[2]
D[6]
D[4]
D[6]
D[3]
D[0]
D[5]
D[4]
D[2]
D[7]
D[1]
NIOWR
NIORD
NCS_EXT
NCS_EXT
NRESET
BELL[8]
BELL[7]
BELL[6]
BELL[5]
HOOK[8]
HOOK[6]
HOOK[7]
HOOK[5]
BELL[5]
BELL[5]
R241
4.7k
BREAK
Q223
E
C
B
Q222
E
C
B
TP271
TP272
R233
47k
NC
TP270
XTP_BR
DG
R201E 6.8k
R209E
15k
AG
R210E
33k
R215E
47k
RL201E
1
8
DA200E
1
2
3
R221E
10k
TP227E
R205E
68
TP220E
Q203E
E
C
B
C206E
0.039u
Q201E
E
C
B
D204E
250mA Vz3.9v
1
2
TP221E
TP218E
TP217E
R211E
12k
R208E
56k
D209E
1
2
R216E
0
TP225E
R207E
33k
D205E
1
2
TP208E
TP203E
C205E
50V/4.7u
N>
TP216E
R219E
1k
+3.3V
TP222E
TP211E
TP213E
TP209E
AG
R206E
1k 1W
BELL_POWER
TP70
DG
IC10
10
9
8
C28
0.1u
C38
0.1u
+3.3V
IC10
1
2
3
IC8
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
TP80
DG
+3.3V
TP267
TP269
TP268
TP266
BELL[2]
BELL[4]
BELL[1]
BELL[3]
TP264
TP265
TP262
TP263
HOOK[1]
HOOK[3]
HOOK[4]
HOOK[2]
DG
C50
0.1u
C49
1u
C48
2.2u
( (placementLayer BOTH) )
+3.3V
DG
IC10
14
7
IC7
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
NCS_EXT,D[0-7],NIORD,NIOWR,NRESET
IC10
13
12
11
FIL8
1
2
3
+15V
+15V
IC10
4
5
6
TP233
TP234
AG
AG
AG
1
6
2
4
3
5
R218E
10k
Q207E
E
C
B
R203E
22
1/4W
+3.3V
C203E
10u
E
BREAK CONTROL SW
12
KX-TEB308UA
1.3.3.
MAIN No.3 (Cross-Point Block)
Change from the Original Service Manual Section 21.3.
D
C
B
A
456
3
2
1
(a)
(b)
(c)
(d)
(e)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(1
1)
(12)
(13)
(14)
(15)
1/4
KX-TEB308UA
MAIN NO.3 (1/4)
CO1
CO2
CO3
PAGOUT
DOOR2
DOOR1
VAG-CO[3]
VAG-CO[2]
VAG-CO[1]
TAM2
TAM2
TAM1
TAM1
OGM1
DTMFG
MODEM
CALLID1
CALLID2
DTMFR1
DTMFR2
PAGIN
D[0]
A[7]
A[4]
IOWR
A[3]
A[5]
A[6]
A[1]
A[2]
D[0]
A[2]
A[1]
A[6]
A[7]
IOWR
A[5]
EXT_BGM
INT1
INT1
INT2
INT2
INT3
INT3
INT3
TONE
RESET
RESET
CS_XP1
CS_XP2
EXT[8]
EXT[7]
EXT[4]
EXT[2]
EXT[1]
EXT[3]
EXT[5]
EXT[6]
C635 0.1
C626
470P
IC610
5
6
7
VAG
R664
12k
IC610
3
2
1
R663
12k
C634 0.1
C625
470P
VAG
CO2
CO3
CO3
CO1
TP379
A[1-7],CS_XP1,CS_XP2,CS_XP3,D[0],IOWR,RESET
TP329
R610
330
R609
330
TP328
R611
330
TP330
TAM1
TAM2
DOOR2
DOOR1
TP348
VAG
R624
0
TP349
C630
0.022
VAG
R629
6.8k
VAG
TP350
C629
0.022
C628
0.022
R628
6.8k
R623
0
R622
0
R627
6.8k
TP334
TP332
TP333
TP395
TP366
TP367
TP380
TP396
+12V
C604
0.022
AG
DG
+12V
C605
0.022
AG
DG
TP321
TP322
TP320
TP325
TP324
TP323
TP
33
7
TP
33
6
TP
33
5
TP
33
8
VAG
C613
1000P
DG
C617
1000P
DG
R655
22k
R656
22k
IC602
1
Y2
2
Y1
3
Y0
4
NC4
5
NC5
6
DATA
7
X0
8
AX0
9
X1
10
AX1
11
X2
12
CS
13
X3
14
VSS
15
VEE
16
AY0
17
AY1
18
NC18
19
NC19
20
AY2
21
STR
22
RST
23
Y7
24
Y6
25
Y5
26
Y4
27
Y3
28
VDD
IC601
1
Y3
2
AY2
3R
S
T
4
AYX3
5
AX0
6
NC6
7
X14
8
X15
9
X6
10
X7
11
X8
12
X9
13
X10
14
X11
15
NC15
16
NC16
17
Y7
18
VSS
19
Y6
20
STR
21
Y5
22
VEE
23
Y4
24
AX1
25
AX2
26
AY0
27
AY1
28
NC28
29
NC29
30
X13
31
X12
32
X5
33
X4
34
X3
35
X2
36
X1
37
X0
38
NC38
39
Y0
40
CS
41
Y1
42
DATA
43
Y2
44
VDD
C401
NC
C402
NC
CROSS POINT
4 8
CROSS POINT
8 16
INT CID AMPLIFIERS
INT BIN
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