Read Panasonic KX-TS2388CAB / KX-TS2388CAW / KX-TS2388RUB / KX-TS2388RUW / KX-TS2388UAB / KX-TS2388UAW Service Manual Supplement online
23
(33)
(32)
(31)
(30)
(29)
(28)
(28)
(27)
(26)
(25)
(24)
(24)
(23)
(22)
(21)
(20)
(19)
(18)
(18)
(17)
(16)
(15)
(14)
(13)
(12)
(11)
(10)
(13)
(12)
(11)
(10)
(9)
(8)
(7)
(6)
(5)
(4)
(3)
(2)
(1)
NC: No Components
KX-TS108 SCHEMATIC DIAGRAM (Main)
(6.3V)
4.2V
(5.8V)
(5.8V)
(6.3V)
Battery Low
3.8V
3.8V
4.5V
3.7V
(3.7V)
3.9V
(5.7V)
(5.7V)
Speaker Phone Outgoing Signal
Speaker Phone Incoming Signal
Handset & Headset Incoming Signal
Handset & Headset Outgoing Signal
Handset & Headset Outgoing Signal
The voltage during ON-Hook is indicated.
( ) shows the voltage during OFF-Hook.
( ) shows the voltage during OFF-Hook.
+ -
-
+
( )
( )
( )
( )
( )
( )
(
)
)
(
( )
( )
( )
( )
( )
( )
( )
(
)
( )
( )
( )
( )
( )
( )
( )
(
)
( )
( )
( )
( )
( )
( )
( )
( )
)
(
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
)
(
( )
(
)
( )
C3
50V0.22
C426
K0.1
C113
K0.033
R125
4.7K
R108
4.7K
R437
15K
R120
1.2K
IC1
1
V D D
2
C O N T
3
L F I
4
L F O
5
V S S
6
H F O
7
H F I
8
O U T
C5
8200P
R435
4.7K
C415
K0.01
R436
56
R123
33
R104
47K
C1
250V1u
Q108
R4
120K
R3
330K
R129
330K
NC
IC201
1
2
3
4
GND
5
6
7
8
VCC
R102
100K
Q109
Q101
R127
4.7K
Q424
R128
47
R1
6.8K
C108
K0.1
R434
3.3M
C111
K0.01
R124
15
C435
K0.1
R5
0
R101
56K
R2
18K
R432
5.6K
C112
K0.1
D102
Q103
Q302
R312
100K
C102
K680P(500V)
C101
K680P(500V)
PO101
JP6
0
Q102
R6
10K
Q1
R7
47K
C421
K0.1
R421
1.8K
Q426
D301
C114
10V47
R130
1K
R131
NC
C306
Z0.1
R301
2.2M
R303
2.2M
R302
6.8M
IC302
1
V O U T
2
V D D
3
V S S
4
N C
5
N C
R304
4.7M
R313
100K
R429
0
C414
16V10
Q401
C115
NC
R310
22K
C304
K0.033
R311
100K
D308
R126
3.3M
SW101-1
HOOK SW
C305
NC
PC1
NC
1
23
4
R10
NC
R11
NC
JP1
Q2
PCB
TP101
TP102
Handset
1
M I C ( + )
2
M I C ( - )
3
S P ( + )
4
S P ( - )
NC
VR402
JJ101
TEL_JACK
1
T I P
2
R I N G
JJ102
DATA-PORT
1
T I P
2
R I N G
CN401
Headset Jack
1
5
4
3
2
D306
C116
NC
LED1
RINGER_LED
R115
0
R100
100K
L2
0
L1
0
D8
D10
D7
D9
D4
D3
D6
D5
D2
R8
NC
C6
50V1
C8
K0.1
S1
4
3
2
1
D1
C2
50V10
C103
K0.01
R103
100K
R105
680K
D108
NC
Q105
NC
JP7
NC
Q106
C106
16V10
D106
6.2V
C107
10V330
R122
NC
D107
NC
C117
NC
R121
10K
SA101
C401
NC
TP402
DCM
C925
K8200P
C926
K2200P
R927
33K
Q922
R928
6.8M
C927
NC
C422
K6800P
R430
47K
Q423
C427
NC
R440
47K
R442
100K
C437
NC
IC304
3.5V
1
V I N
2
V S S
3
N C
4
N C
5
V O U T
C308
6.3V1000
IC303
2.7V
V C C
V O U T
NC
GND
C303
6.3V330
JP4
JP5
R111
NC
D304
JP2
JP3
DCP
Q923
R401
33K
C104
NC
D104
NC
C109
K0.01
D103
R117
6.8K
C110
K1.0
Q107
R118
10K
R116
47K
C105
16V220
R109
NC
R110
NC
R184
NC
Q110
NC
R185
0
R923
220K
C923
K820P
C430 NC
C431
NC
C118
NC
TP401
TP403
C402
NC
C7
NC
C9
NC
L3
0
NC
VR401
R422
15K
R929
NC
R926
10k
C201
NC
R201
NC
R206
NC
C203
NC
C204
NC
C202
NC
R202
NC
R204
NC
R207
NC
R203
NC
R205
NC
R903
NC
C424
NC
D430
R441
100K
R443
0
C438
K0.018
NC
D203
Q204
R106
470K
Q104
NC
D204
25V
Click on the first or last page to see other KX-TS2388CAB / KX-TS2388CAW / KX-TS2388RUB / KX-TS2388RUW / KX-TS2388UAB / KX-TS2388UAW service manuals if exist.