Panasonic KX-TS2368CAW Service Manual ▷ View online
29
KX-TS2368CAW
( )
( )
( )
( )
R103
680K
R104
47K
D102
J101
NC
C116
NC
C106
10
C435
0.1
R102
100K
Q103
C103
0.01
J102
0
C105
10
R118
2.2K
Q104
C107
330
R121
10K
R105
1.5M
R124
15
C109
0.01
R101
390K
C115
NC
R108
4.7K
R120
3.3K
R437
15K
Q101
Q108
D103
TP101
SW110
1 1
1 2
1 0
SW120
2
1
3
SW120
5
4
6
SW510
1 1
1 2
1 0
D113
SW120
1 1
1 2
1 0
D111
2
1
3
4
D110
2
1
3
4
SW130
1 1
1 2
1 0
TP102
TP103
D114
SW110
5
4
6
CN101
(L1/L2)
4
T i p ( L i n e 2 )
3
T i p ( L i n e 1 )
2
R i n g ( L i n e 1 )
1
R i n g ( L i n e 1 )
SW130
8
9
7
SW130
2
1
3
SW110
1 1
1 2
1 0
TP104
R522
3.3M
Q505
Q501
D502
SW110
8
9
7
R511
4.7K
R508
47K
R513
33K
R506
15K
R509
10K
R520
8.2M
Q504
C505
10
R523
330K
R504
4.7K
SW510
5
4
6
D507
Q506
C503
2.2
R517
27K
D509
D505
R501
100K
R519
100
R507
15K
R514
2.2K
R518
4.7M
R510
470K
C502
47
C507
50V0.33
Q502
D504
R515
2.7K
R512
33
Q507
C504
100
3.3M
Q503
R505
15K
D508
D503
Q508
R503
100K
C506
0.01
R502
2.7K
R516
10K
R3
330K
R21
1.8K
Q1
R31
47K
NC
R9
C4
6800p
R25
0
C23
0.22
NC
R29
IC22
1
V D D
2
C O N T
3
L f r e
4
L f r e
5
V S S
6
H f r e
7
H f r e
8
O U T
R22
18K
Q21
PC1
1
2
3
4
D1
2
1
4
3
R6
100K
C21
1
C1
1
C24
6800p
C22
1
0
R8 47K
R13
10K
R23
330K
SW21
4
1
2
3
2
3
SW1
4
1
2
3
2
3
R33
10K
R7
33K
R28 47K
PC21
1
2
3
4
C3
0.22
R27
33K
C35
4.7
D22
D2
IC1
1
V D D
2
C O N T
3
L f r e
4
L f r e
5
V S S
6
H f r e
7
H f r e
8
O U T
R26
82K
PC2
2
1
4
3
R1
1.8K
C5
4.7
R5
0
D21
2
1
4
3
PC22
2
1
4
3
R2
18K
R11
47K
C2
10
SA101
SA102
SW101
HOOK
CN102
L2/DATA
1
T i p ( L i n e 2 )
2
R i n g ( L i n e 2 )
D23
D3
R109
2.2K
C501
0.01
Q102
POS101
R140
0
POS102
R141
0
C120
680p
C121
680p
C123 680p
C124 680p
D106
D104
T1
3
4
5
1
2
T21
3
4
5
1
2
D506
L I N E 2
L I N E 1
L I N E 1
C O N F
C O N F
L I N E 2
C O N F
L I N E 1
H O L D
(21)
(22)
(23)
(24~25)
(27~28)
(26)
(29)
(30)
R521
(k)
(l)
(m)
(n)
(o)
(p)(q)
(r)(s)(t) (u)(v)
(w)(x)
2/4
KX-TS2368 SCHEMATIC DIAGRAM (Main)
(2/4)
6.2V
Ringer Circuit
Hold
Circuit
Circuit
30
KX-TS2368CAW
+ -
-
+
R445
10K
C440
3300p
R443
100K
R444
10K
C439
1500p
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)
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
BATTP
0
BATTN
0
J17
0
J29
0
J39
0
J49
0
J74
0
C436
2200p
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
SW510
1 1
1 2
1 3
C630
1
C202
47
C203
2200
C205
0.22
C204
0.047
C201
0.047
IC201
1
2
3
4
GND
5
6
7
8
VCC
D202
D203
R201
10K
R203
10K
Q201
R202
120K
R208
4.7K
R204
390K
R205
5.6K
R207
10K
R206
18K
J19
0
J85
0
Q604
(2)
(3)
(4)
(10)
(5~6)
(11~14)
(1)
(15~16)
(7~9)
(17~20)
(a) (b)
(c) (d)
(e)
(f) (g) (h)
(i)
(j)
3/4
KX-TS2368 SCHEMATIC DIAGRAM (Main)
(3/4)
3.9V
4.5V
Tone
Detect
3.9V
31
KX-TS2368CAW
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
J401
NC
C424
0.01
DCM
R424
NC
R426
2.7K
C415
0.01
R425
2.2M
R434
1.5M
R442
100K
R432
22K
R440
47K
Q423
C438
NC
R423
0
D422
R439
NC
CN402
HANDSET
1
M I C ( + )
2
M I C ( - )
3
S P ( + )
4
S P ( - )
R428
5.6K
C423
0.0068
1
R427
120
Q426
D421
C422
0.022
C426
0.1
C425
0.01
C421
0.033
DCP
R430
47K
R436
680
D308
J405
NC
R421
1.8K
C306
0.1
C414
10
Q560
R555
15K
C359
47
R351
220K
R557
15K
C556
0.01
R575
3.3M
R568
4.7M
R559
10K
R562
33
R565
2.7K
Q551
Q558
C354
470P
C358
0.01
R563
33K
Q553
D560
Q555
Q559
D352
R551
100K
Q557
R574
10M
Q352
C356
0.001
D558
D554
R354
470
Q556
C353
560P
R571
3.3M
D354
R554
4.7K
C551
0.01
D553
R564
2.2K
D555
D351
R560
470K
R569
100
C357
1
D559
C557
0.33
C351
10
R577
100K
R567
27K
C352
10
C555
10
R566
10K
R352
4.7K
R576
3.3M
Q554
R570
10M
C552
47
R556
15K
Q351
SW510
2
1
3
R552
2.7K
R573
330K
C553
2.2
D556
R561
4.7K
D353
D552
D561
D355
R553
100K
C355
2200
R558
47K
Q552
R353
220K
D557
C554
100
SW120
8
9
7
C427
NC
TP401
TP403
TP402
L401
0
C430
NC
C429 NC
R668
220K
D309
Q421
Q424
C441
0.1
D402
R441
100K
C437
1.5M
VR401
200K
R422
NC
VR402
500
R429
NC
R435
1.8K
CN401
2
3
4
5
T351
1
2
2
3
4
4
5
6
7
8
9
D204
L I N E 2
H O L D
(2)
(3)
(4)
(10)
(5~6)
(11~14)
(1)
(15~16)
(7~9)
(17~20)
Handset & Headset Incoming Signal
Handset & Headset Outgoing Signal
The voltage during ON-Hook is indicated.
( ) shows the voltage during OFF-Hook.
( ) shows the voltage during OFF-Hook.
KX-TS2368 SCHEMATIC DIAGRAM (Main)
NC : No Components
Speaker Phone Incoming Signal
Speaker Phone Outgoing Signal
(k)
(l)
(m)
(n)
(o)
(p)(q)
(r)(s)(t) (u)(v)
(w)(x)
4/4
(4/4)
6.2V
4.5V
Headset Jack
32
KX-TS2368CAW
11.3. Schematic Diagram (Operation)
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
5
R301
2.2M
3
C304
0.033
R821
680
IC801
1
X1
2
X2
3
V
ss
4
OSC2
5
OSC1
6
TESTG
7
Vcc
8
RESET
9
STOP
10
LCD_CLK
11
LCD_CS
12
LCD_DATA
13
P24/SCK3
14
RX_VOL
15
TX_VOL
16
HOOK_SW
1 7
L C D _ C N T 2
1 8
L C D _ C N T 1
1 9 M U T E _ L E D
2 0 S P _ L E D
2 1 S P _ T X M U T E
2 2 R X _ M U T E
2 3 B E E P
2 4 H / S _ T X M U T E
2 5 G A I N _ C T L
2 6 N C
2 7 T E S T
2 8 K E Y _ I N 1
2 9 K E Y _ I N 2
3 0 K E Y _ I N 3
3 1 K E Y _ I N 4
3 2 K E Y 5
2 0 S P _ L E D
2 1 S P _ T X M U T E
2 2 R X _ M U T E
2 3 B E E P
2 4 H / S _ T X M U T E
2 5 G A I N _ C T L
2 6 N C
2 7 T E S T
2 8 K E Y _ I N 1
2 9 K E Y _ I N 2
3 0 K E Y _ I N 3
3 1 K E Y _ I N 4
3 2 K E Y 5
33
KEY6
34
KEY7
35
BATT_OUT
36
STB1
37
STB2
38
STB3
39
STB4
40
STB5
41
STB6
42
STB7
43
P67
44
PULSE
45
RLY
46
LINE_SEIZER
47
HOLD_ON_MUSIC
48
BATT_LOW
4 9
H E A D _ S E T _ D E T
5 0
T O N E _ D E T
5 1
N C
5 2
S P V O L 1
5 3
S P V O L 2
5 4
S P V O L 3
5 5
H S V O L 1
5 6
H S V O L 2
5 7
H S V O L 3
5 8
N C
5 9
S P _ C S
6 0
D T M F
6 1
V T r e f
6 2
L O O P
6 3
E X H O O K
6 4
C V C C
D818
D304
ST9
MICP
SPPHONE
TPSTB6
D817
D803
TPSTB4
ST8
TPKEY4
D813
C812
NC
FLASH
Q802
MICM
Q803
R813
39K
MUTE
TPTEST
8
C803
15P
D814
R861 68K
ST1
R314
470K
REDIAL
TPKEY1
LCD
1
V D D
2
V L C D
3
V S S
4
D A T A
5
W R
6
C S
D821
C309
0.01
PAUSE
D822
ST2
R312
100K
R812
68K
IC303
2.7V
V C C
V O U T
NC
GND
C308
220
R809
100K
C811
NC
D305
ST6
C810
NC
LED803
LINE1_HOLD
TPKEY7
TPKEY6
R863 15K
ST4
R315
22
R304
4.7M
TPKEY3
CN1
1
LINE2(G)
2
LINE2(R)
3
LINE2
4
LINE1(G)
5
LINE1(R)
6
LINE1
7
TONE
8
HEADSET
9
PULSE
10
TX-MUTE
11
DTMF
12
BEEP
13
BATT+
14
GND
15
VDD
16
SP-CS
17
NC
18
VOL3
19
VOL2
20
VOL1
21
RX-MUTE
22
SPVOL
23
TR
24
HOOK
25 SPTX-MUTE
26 NC
27
MIC
28
AGND
29
@pinL
30
@pinL
TPSTB2
C802
12P
C305
NC
R303
2.2M
LOWER
LED801
SP_LED
C804
0.1
X802
32.76K
UP
D301
ST7
D801
D808
X801
1
2
3
TPSTB7
*
LOCK
ST5/EMG
J802
0
R811
10K
C301
1000
1
C806
1000p
R801
1M
TPSTB3
4
ST3
9
R310
22K
R802
100K
6
R823
680
LED805
LINE2_LED
R302
6.8M
R862 33K
D819
D802
SPLED
TPSTB1
R313
100K
D302
D807
R311
100K
Q801
TPKEY5
J801
0
C824
1000p
0
LED803
LINE1_LED
D809
BATTOUT
2
R822
390
7
Q302
R814
100K
IC304
3
O U T
1
V S S
2
I N
D811
D816
R824
390
MIC
DOWN
SHARP
C303
330
0.1
C 8 0 5
D815
IC302
1
V O U T
2
V D D
3
V S S
4
N C
5
N C
D810
C801
0.01
ST10
TPKEY2
TP601
D804
R891
1K
TPSTB5
GND
R305
220
LED805
LINE2_HOLD
PROGRAM
D806
D805
D812
D820
3.7V
(Battery Low 3.8V)
4.5V
6.2V
3.7V
Reset
Circuit
D808
% BREAK
61%
67%
D819
Dial mode default
TONE
0: Without
PULSE
1: With
0
1
0
1
KX-TS2368 SCHEMATIC DIAGRAM (Operation)
(Refer to Flow Solder Side View (Operation))
NC : No Components
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