Read Panasonic KX-TS2368RUW / KX-T2378MXW / KX-TS208W / KX-TS2368CAW / KX-TS208LXW Service Manual Supplement online
7
KX-T2378 SCHEMATIC DIAGRAM (Main)
NC: No Components
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
1
1
1
VR401 NC
R558
47K
Q551
C358
K0.01
R425
3.3M
TP402
Q506
R574
10M
VR402
NC
R567
27K
C120
500V680P
C5
50V4.7
R555 15K
R33
10K
CN101
(L1/L2)
Tip(Line2)
Tip(Line1)
Ring(Line1)
1
2
1
2
3
4
Ring(Line2)
SA101
R11
47K
R576
3.3M
R518
4.7M
SW510
2
1
3
R554
4.7K
D2
36V
Q1
D556
18V
C354
K470P
R427
120
C35
50V4.7
D353
R105
1.5M
R103
100K
C356
K0.001
SW1
4
1
2
3
2
3
R13
10K
PC1
1
2
3
4
D509
C21
C556
K0.01
D555
C4
K6800p
Q426
Q508
R551
100K
R354
470
D21
2
1
4
3
SW510
11
12
10
C103
K0.01
R506
15K
C425
K0.1
SW130
2
1
3
D22
36V
R3
330K
R553
100K
R25
0
R503
1
00K
Q507
R442
100K
R519
100
R564
4.7K
R521
3.3M
D113
TP401
C503
50V2.2
R22
12K
C24
K6800p
Q103
C421
K0.033
R560
470K
Q558
L401
0
R565
2.7K
R424
NC
4.7K
R352
R429
0
R507
15K
Q554
R501
100K
R561
4.7K
R141
0
D103
SW130
8
9
7
SW120
2
1
3
D102
SW21
4
1
2
3
3
R514
4.7K
15K
R557
SW110
11
12
10
R6
100K
Q503
R509
10K
C557
50V0.33
C355
K2200
C554
16V100
D354
D502
C553
50V2.2
T351
1
2
2
3
4
4
5
6
7
8
9
TP102
C552
6.3V47
D505
Q556
R140
0
D561
Q101
R423
0
R563
33K
R568
4.7M
SW120
8
9
7
R27
33K
J405
NC
R108
4.7K
SW110
8
9
7
J101
0
C352
16V10
C555
16V10
Q351
C353
K560P
TP103
R12
NC
R428
5.6K
CN102
L2/DATA
Tip(Line2)
Ring(Line2)
D352
TP403
R353
220K
R512
33
C357
50V1
R511
4.7K
C121
500V680P
R504
4.7K
C504
1
6V100
SW120
11
12
10
D506
18V
C414
16V10
D3
D557
IC1
1
VDD
2
CONT
3
Lfre
4
Lfre
5
VSS
6
Hfre
7
Hfre
8
OUT
R508
47K
D504
3.6V
C23
50V0.22
Q504
R104
47K
R426
2.7K
D351
Q21
C22
50V4.7
R570
10M
IC22
1
VDD
2
CONT
3
Lfre
4
Lfre
5
VSS
6
Hfre
7
Hfre
8
OUT
R516
10K
D422
D560
3.6V
CN402
HANDSET
MIC(+)
1
2
3
4
MIC(-)
SP(+)
SP(-)
J401
NC
R552
2.7K
C351
16V10
NC
R9
R101
56K
R439
15K
D23
R559
10K
Q552
C501
K0.01
R31
47K
T21
1
2
5
4
3
C415
K0.01
D1
2
1
4
3
C505
16V10
R556
15K
SW120
5
4
6
R26
82K
R28
10K
Q555
R668
220K
R577
100K
100K
C2
50V4.7
D554
3.6V
C124
500V680P
C424
K0.018
TP104
SW510
5
4
6
R571
3.3M
Q559
C3
50V0.22
R510
470K
TP101
D114
SW130
11
12
10
R118
1.5K
D421
Q102
R562
33
Q501
R421
1.8K
R8
10K
R23
330K
T1
1
2
5
4
3
Q553
R440
47K
C438
K0.1
R520
8.2M
R515
2.7K
R575
3.3M
C123
500V680P
DCM
R351
220K
R7
33K
C422
K0.022
Q104
NC
R422
15K
R505 15K
D503
C506
K0.01
R573
330K
D508
R517
27K
R102
100K
D558
Q502
R523
330K
R522
3.3M
DCP
R513
33K
Q505
R21
6.8K
SW110
11
12
10
Q352
R502
2.7K
C423
K6800
R32
NC
PC22
2
1
4
3
SW110
5
4
6
C429 NC
D559
PC21
1
2
3
4
16V10
C105
R566
10K
C306
K0.1
C359
6.3V47
SA102
C502
6.3V47
SW101
HOOK
R441
100K
CN401
Headset Jack
1
5
4
3
2
NC
R29
D552
C1
R5
0
R1
6.8K
C551
K0.01
Q557
Q421
C507
50V0.33
D111
2
1
3
4
D507
D553
Q560
R2
12K
R569
100
PC2
2
1
4
3
D110
2
1
3
4
D355
POS101
POS102
D402
C437
1.5M
C441
0.1uF
Q204
R106
91K
LINE2
HOLD
LINE1
CONF
CONF
LINE1
LINE2
HOLD
CONF
LINE2
LINE1
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(11)
(10)
(12)
(13)
(13)
(14)
(15)
(17)
(16)
(18)
(19)
(20)
(22)
(23)
(24)
(25)
(21)
250v1μ
250v1μ
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