KX-TS2368RUW, KX-T2378MXW, KX-TS208W, KX-TS2368CAW, KX-TS208LXW - Panasonic Telephone Service Manual Supplement (repair manual). Page 9

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9
NC: No Components
KX-TS208W SCHEMATIC DIAGRAM (Main)
(        )
(         )
(           )
(        
)
(        )
(         )
(         )
(        )
(         )
(         )
(      )
(        )
(        )
(        )
(         )
(        )
3
1
1
1
R104
47K
J401
NC
R422
15K
D102
J101
0
C424
K0.018
DCM
R424 NC
R426
2.7K
C415
K0.01
R102
100K
R425
3.3M
Q103
R442
100K
Q102
R118
1.5K
Q104
NC
C438
K0.1
R423
0
D422
R105
1.5M
R439
15K
CN402
HANDSET
R428
5.6K
C423
K6800
R101
56K
CN401
Headset Jack
1
5
4
3
2
R108
4.7K
R427
120
Q426
D421
C422
K0.022
C425
K0.1
C421
K0.033
DCP
Q101
R429
0
J405
NC
D103
R421
1.8K
C306
K0.1
C414
16V10
TP101
SW110
11
12
10
SW120
2
1
3
C124
500V680P
POS102
R141
0
SW120
5
4
6
SW510
11
12
10
D113
C121
500V680P
SW120
11
12
10
D111
2
4
D110
2
4
SW130
11
12
10
C120
500V680P
TP102
C123
500V680P
TP103
D114
SW110
5
4
6
CN101
(L1/L2)
Ring(Line1)
SW130
8
9
7
SW130
2
1
3
POS101
SW110
11
12
10
TP104
R140
0
R522
3.3M
Q505
Q560
Q501
D502
SW110
8
9
7
C359
6.3V47
R351
220K
C556
K0.01
R568
4.7M
R511
4.7K
R508
47K
R559
10K
R562
33
R506
15K
R565
2.7K
Q551
Q558
C354
K470P
C358
K0.01
R509
10K
R520
8.2M
Q504
C505
16V10
Q553
R504
4.7K
SW510
5
4
6
Q555
Q559
D352
D507
Q557
Q506
C503
50V2.2
Q352
R517
27K
C356
K0.001
D558
R354
470
Q556
C353
K560P
R571
3.3M
D354
D509
R554
4.7K
C551
K0.01
D505
D553
R564
2.2K
D555
D351
R560
470K
D506
18V
R519
100
R569
100
C357
50V1 
C351
16V10
R514
2.2K
R577
100K
R567
27K
R518
4.7M
C352
16V10
C555
16V10
R510
470K
Q554
C552
6.3V47
R556
15K
Q351
SW510
2
1
3
C502
6.3V47
Q502
C553
50V2.2
R561
4.7K
R515
2.7K
R512
33
D353
Q507
C504
16V100
D552
D561
D355
Q503
D508
C355
K2200
R558
47K
D503
Q508
Q552
R503
100K
D557
C506
K0.01
R502
2.7K
C554
16V100
SW120
8
9
7
T351
1
2
3
4
5
6
7
8
9
R3
330K
R21
6.8K
Q1
R31
47K
NC
R9
C4
R25
0
C23
50V0.22 
NC
R29
IC22
1
VDD
2
CONT
3
Lfre
4
Lfre
5
VSS
6
Hfre
7
Hfre
8
OUT
R22
12K
Q21
PC1
1
2
3
4
D1
R6
100K
C21
C1
C24
K6800p
T21
1
2
5
4
3
R8
10K
R13
10K
R23
330K
SW21
4
1
2
3
SW1
4
1
2
3
R33
10K
R7
33K
R28
10K
PC21
1
2
3
4
C3
50V0.22 
R27
33K
C35
50V4.7
D22
36V
D2
36V
IC1
1
VDD
2
CONT
3
Lfre
4
Lfre
5
VSS
6
Hfre
7
Hfre
8
OUT
R26
82K
PC2
2
3
R1
6.8K
C5
50V4.7
R5
0
T1
1
2
5
4
3
D21
PC22
2
3
R2
12K
R11
47K
C2
50V4.7
SA101
SA102
SW101
HOOK
TP401
TP403
TP402
CN102
L2/DATA
D23
D3
L401
0
C501
K0.01
R668
220K
R12
NC
R32
NC
C437
Q421
R440
47K
R441
100K
C441
D402
D204
R103
100K
Q204
R106
91K
LINE2
LINE1
LINE1
CONF
CONF
LINE2
CONF
LINE1
HOLD
LINE2
HOLD
1
4
1
4
K6800p
2
1
4
3
C22
50V4.7
2
1
4
3
16V10
C105
C103
K0.01
1
3
1
2
3
4
Ring(Line1)
Tip(Line2)
Tip(Line1)
1
3
1
2
Tip(Line2)
Ring(Line2)
C507
50V0.33 
R523
3
30K
R521
3.3M
R516
10K
D504
3.6V
R513
33K
R507
15K
R505 15K
R501
1
00K
C557
50V0.33 
R573
330K
R576
3.3M
D560
3.6V
R575
3.3M
R574
10M
D556
18V
R570
10M
R566
10K
D554
3.6V
R563
33K
15K
R557
R555 15K
D559
R553
100K
R551
100K
R552
2.7K
VR402
NC
C429 NC
VR401 NC
MIC(+)
1
2
3
4
MIC(-)
SP(+)
SP(-)
R353
220K
4.7K
R352
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(11)
(10)
(12)
(13)
(14)
(15)
(17)
(16)
(18)
(19)
(20)
(22)
(23)
(24)
(25)
(21)
250v1μ
250v1μ
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