KX-TS208, KX-TS208LX, KX-TS2368RU, KX-T2378MX — Panasonic Telephone Service Manual Supplement (repair manual). Page 6

View Panasonic KX-TS208 / KX-TS208LX / KX-TS2368RU / KX-T2378MX Service Manual Supplement online

6
3.1.3.
KX-TS2368RUW (Suffix Code: N or later)
[Changed from original section “22 SCHEMATIC DIAGRAM”]
SP Phone
Circuit
6.2V
Ringer Circuit
Hold
Circuit
Speaker Phone Outgoing Signal
Speaker Phone Incoming Signal
Handset & Headset Incoming Signal
Handset & Headset Outgoing Signal
In Use Detector Circuit
6.2V
4.5V
3.9V
4.5V
3.9V
Tone
Detect
KX-TS2368RUW SCHEMATIC DIAGRAM (Main)
NC: No Components
(   )
(   )
(   )
(   )
(   )
(   )
(   )
(   )
(   )
(   )
(   )
(   )
)
 
 
 
(
(   )
(   )
(   )
(   )
(   )
+-
-+
(   )
(   )
R103
680K
R104
47K
C609
K0.1
R445
10K
C602
K0.056
R482
1.5M
C618
6.3V33
R613
100K
R411
680
J401
NC
C605
K6800P
D102
C613
K0.068
J101
NC
C424
K0.01
C116
NC
R129
330K
R125
10K
DCM
C601
6.3V1000
R424
NC
C106
16V10
R127
3.9K
D601
R426
2.7K
C435
K0.1
C415
K0.01
R102
100K
R611
18K
R619
22K
R618
2.2K
C114
10V47
R425
3.3M
R128
68
Q103
R434
2.7M
C103
K0.01
R607
68K
R442
100K
J102
0
C615
6.3V22
R407
1.8K
C108
K0.1
R432
22K
C105
16V10
C617
6.3V100
R118
2.2K
C624
K0.01
Q104
NC
R404
27K
R440
47K
R408
680
C107
6.3V330
C608
K0.015
R602
3.3K
R608
6.8K
Q423
C440
K3300p
SP
C438
NC
R665
2.2M
C600
0
R606
30K
R423
0
D422
R121
10K
R605
2.2M
Q109
R610
100K
C408
K0.022
R105
1.5M
Q406
R405
33K
R439
NC
R443
100K
C614
6.3V47
R124
15
CN402
HANDSET
1M
IC
(+
)
2
M
IC(-)
3S
P
(+
)
4S
P
(-
)
C109
K0.01
R609
3
.3M
R428
5.6K
C603
K0.033
C423
K6800
C607 K0.027
R603
3.3K
R101
390K
R131
NC
C625
16V10
R615
10K
R403
68K
C115
NC
C481
K0.01
R666
4.7M
CN401
Headset Jack
1
5
4
3
2
R614
47K
R126
4.7M
R108
4.7K
C407
NC
C620
K0.012
R427
120
R130
1K
Q426
R120
3.3K
C404
K0.1
R604
4.7K
D421
C422
K0.022
C426
K0.1
R612
4.7K
C425
K0.01
Q405
R437
15K
R401
33K
C606
K0.047
C421
K0.033
DCP
R483
2.7M
R430
47K
C611
50V1
R409
22K
R444
0
R600
4.7K
C616
K0.1
C111
K0.01
R436
680
C113
0.039u
R601
8.2K
R406
3.3M
C405
K0.1
C439
K1500p
Q101
C622
K0.033
R617
4.7K
Q108
D308
J405
NC
R123
33
Q602
C410
NC
D103
R421
1.8K
C306
K0.1
IC601
1
RR
2
ATX
3
TXI
4
TXO
5
TLI
6
TLO
7
RLI
8
RLO
9
MCI
10
MCO
11
CP1
12
CP2
13
XD1
14
SKG
15
SKO
16
V+
17
AGC
18
CS
19
SKI
20
VCC
21
VB
22
V-
23
XDC
24
VLC
25
ACF
26
RXO
27
RXI
28
RAX
C621
6.3V330
R412
15K
C112
K0.1
TP101
SW110
11
12
10
SW120
2
1
3
C124
500V680P
SW120
5
4
6
SW510
11
12
10
D113
C121
500V680P
SW120
11
12
10
D111
2
13
4
D110
2
13
4
SW130
11
12
10
C120
500V680P
TP102
C123
500V680P
TP103
D114
SW110
5
4
6
CN101
(L1/L2)
4T
ip
(L
in
e
2
)
3T
ip
(L
in
e
1
)
2R
in
g
(L
in
e
1
)
1R
in
g
(L
in
e
1
)
SW130
8
9
7
SW130
2
1
3
SW110
11
12
10
TP104
R522
3.3M
Q505
Q560
R555
15K
Q501
D502
SW110
8
9
7
C359
6.3V47
R351
220K
R557
15K
C556
K0.01
R575
3.3M
R568
4.7M
R511
4.7K
R508
47K
R559
10K
R562
33
R513
33K
R506
15K
R565
2.7K
Q551
Q558
C354
K470P
C358
K0.01
R509
10K
R520
8.2M
Q504
C505
16V10
R523
330K
R563
33K
Q553
R504
4.7K
D560
3.6V
SW510
5
4
6
Q555
Q559
D352
R551
100K
D507
Q557
Q506
C503
50V2.2
R574
10M
Q352
R517
27K
C356
K0.001
D558
D554
3.6V
R354
470
Q556
C353
K560P
R571
3.3M
D354
D509
R554
4.7K
C551
K0.01
D505
D553
R564
2.2K
R501
100K
D555
D351
R560
470K
D506
18V
R519
100
R569
100
C357
50V1 
D559
R507
15K
C557
50V0.33 
C351
16V10
R514
2.2K
R577
100K
R567
27K
R518
4.7M
C352
16V10
C555
16V10
R566
10K
R510
470K
R352
4.7K
R576
3.3M
Q554
R570
10M
C552
6.3V47
R556
15K
Q351
SW510
2
1
3
C502
6.3V47
R552
2.7K
C507
50V0.33 
Q502
D504
3.6V
R573
330K
C553
50V2.2
D556
18V
R561
4.7K
R515
2.7K
R512
33
D353
Q507
C504
16V100
R521
3.3M
D552
D561
D355
Q503
R505
15K
D508
R553
100K
C355
K2200
R558
47K
D503
Q508
Q552
R503
100K
R353220K
D557
C506
K0.01
R502
2.7K
C554
16V100
SW120
8
9
7
T351
1
2
3
4
5
6
7
8
9
R516
10K
R3
330K
R21
1.8K
Q1
R31
47K
NC
R9
C4
K6800p
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
18K
Q21
PC1
1
2
3
4
D1
2
14
3
R6
100K
C21
250v1
C1
250v1
C24
K6800p
C22
50V10
T21
1
2
5
4
3
R8
47K
R13
10K
R23
330K
SW21
4
1
2
3
SW1
4
1
2
3
R33
10K
R7
33K
R28
47K
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
14
3
R1
1.8K
C5
50V4.7
R5
0
T1
1
2
5
4
3
D21
2
14
3
PC22
2
14
3
R2
18K
R11
47K
C2
50V10
SA101
SA102
D602
D401
C401
NC
Q401
TP601
TP602
TP611
TP612
TP603
SW101
HOOK
C427
NC
TP401
TP403
TP402
CN102
L2/DATA
1
T
ip(Line2)
2
R
ing(Line2)
D104
NC
Q493
Q491
Q492
R664
470K
R481
470K
D23
D3
CN403
@pinN
NC
@pinN
NC
1
AGND
2
MIC
3
PULSE_MUTE
4
SPTX-MUTE
5
HOOK
6
TR
7
SPVOL
8
RX-MUTE
9
VOL1
10
VOL2
11
VOL3
12
NC
13
SP-CS
14
VDD
15
GND
16
BATT+
17
BEEP
18
DTMF
19
TX-MUTE
20
PULSE
21
HEADSET
22
TONE
23
LINE1
24
LINE1(G)
25
LINE1(R)
26
LINE2
27
LINE2(R)
28
LINE2(G)
L401
0
R410
470K
C117
NC
C430
NC
C429
NC
J1
0
J2
0
J3
0
J5
0
J9
0
J10
0
J11
0
J12
0
J13
0
J14
0
J15
0
J16
0
J21
0
J23
0
J24
0
J28
0
J26
0
J27
0
J31
0
J32
0
J33
0
J34
0
J35
0
J36
0
J37
0
J38
0
J41
0
J43
0
J44
0
J45
0
J46
0
J47
0
J48
0
J51
0
J52
0
J53
0
J54
0
J55
0
J61
0
J62
0
J64
0
J71
0
J72
0
J73
0
J81
0
J82
0
J83
0
PCB
J84
0
Q303
R320
10K
R109
2.2K
NC
R616
C501
K0.01
BATTP
0
BATTN
0
R667
12
C626
K0.01
R668
220K
J17
0
J29
0
J39
0
J49
0
J74
0
D106
5.1V
C436
K2200p
PIN1
PIN2
PIN4
PIN5
PIN6
PIN7
PIN8
PIN9
PIN10
PIN11
PIN12
PIN13
PIN14
PIN15
PIN16
PIN17
PIN18
PIN19
PIN20
PIN21
PIN22
PIN23
PIN24
PIN25
PIN26
PIN27
PIN28
J18
0
SW510
8
9
7
Q603
D309
SW510
11
12
13
C630
Z1.0
C406
180P
Q421
Q424
C202
6.3V47
C203
K2200
C205
K0.22
C204
K0.047
C201
K0.047
IC201
1
2
3
4
GND
5
6
7
8V
C
C
D202
D203
R201
10K
R203
1
0K
Q201
R202
120K
R208
4.7K
R204
390K
R205
5.6K
R207
10K
R206
18K
J19
0
J85
0
Q604
C441
K0.1
D402
R441
100K
C437
1.5M
Q102
VR401
200K
R422
NC
VR402
500
R429
NC
POS101
R140
0
POS102
R435
1.8K
D204
Q204
R106
91K
D105
25V
R10
0
C610
1u
C612
4.7u
C619
4.7u
C414
10u
 
 
LINE2
LINE1
LINE1
CONF
CONF
LINE2
CONF
LINE1
HOLD
LINE2
HOLD
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