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Model
KX-TS2388CAB KX-TS2388CAW KX-TS2388RUB KX-TS2388RUW KX-TS2388UAB KX-TS2388UAW
Pages
25
Size
2.51 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
Telephone / INTEGRATED TELEPHONE SYSTEM
File
kx-ts2388cab-kx-ts2388caw-kx-ts2388rub-kx-ts2388ru.pdf
Date
PREV: Panasonic KX-TS2382UAB / KX-TS2382UAW (serv.man2) Service Manual / Supplement

Panasonic KX-TS2388CAB / KX-TS2388CAW / KX-TS2388RUB / KX-TS2388RUW / KX-TS2388UAB / KX-TS2388UAW Service Manual / Supplement ▷ View online

21
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
(36)
(37)
(38)
(39)
(40)
(41)
(42)
(43)
(44)
(45)
(46)
NC: No Components
Handset Sending
KX-TS889 SCHEMATIC DIAGRAM (Main)
Handset Receiving
Speaker Phone Sending
Speaker Phone Receiving
Ringer
SW101
1
3
2
4
6
5
FLT1
NC
1
4
2
3
JP101
*SA102
NC
2
1
*L101
*L102
JJ101
1
2
IC302
1
VIN
2
GND
4
NC
5
VOUT
3
STBY
JP301
JP302
JP304
JP303
*IC501
1
OUT1
2
IN-1
6
IN-2
7
OUT2
3
IN+1
8
VDD
4
VSS
5
IN+2
*PC101
1
23
4
*JP1
*SW1
4
C
1
2
3
5
6
PC1
1
2
3
4
*Q201
@NC
*Q603
*Q652
NC
JP7
*J6
JP5
J2
J1
*J7
J39
*SW2
NC
4
2
1
12
11
6
9
7
5
10
3
8
J32
*J33
NC
J35
J5
J21
J8
*J34
NC
J36
J4
*J38
@valu
J20
J48
J37
JP310
IC301
NC
1
VIN
2
GND
4
NC
5
VOUT
3
STBY
Q301
NC
J27
D101
4
1
3
2
Q103
Q102
NC
*Q502
@NC
*Q108
*Q653
NC
*Q104
*Q110
*Q109
*Q106
*Q111
C103
0.01u
*C104
0.01u
C2
NC
C102
680p 500V
C101
680p 500V
C302
0.1u
C303
0.1u
*C204
0.047u
C206
NC
*C205
0.1u
*C203 2200p
C520
0.01u
500V
C500
0.01u
500V
C3
0.068u
*C507
68p
*C508
0.1u
*C510
0.1u
*C511
0.1u
*C509
2200p
*C512
0.01u
*C532
NC
C6
0.01u
C115
1u
C130
0.1u
*C201
@NC
*C522
NC
*C502
NC
*C501
1500p
*C521
1500p
*C523
1200p
*C503
1200p
*C551
0.1u
*C552
0.1u
C553
330p
C554
1000p
*C116
NC
*C1 1u
250
*C200
NC
*C300
NC
*C100
NC
*R106
390K
*R180
0
*R182
1.8k
*R181
NC
*R183
NC
*R184
NC
*R109
NC
R114
NC
R102
NC
*R105
180k
R101
NC
*R131
NC
R121
3.3M
*R204
390k
*R205
5.6k
*R203
10k
*R207
10k
*R206
18k
*R202
120k
*R208
4.7k
R622
10k
*R201
10k
*R654
NC
*R655
NC
R3
27k
R4
330k
*R6
NC
*R522
180k
*R502
180k
*R506
1.2k
*R508
3.3M
*R507
330k
*R509
27k
*R510
390k
*R511
1M
*R512
100k
*R513
1M
*R514
47k
*R515
10k
*R516
220k
R517
1M
*R532
NC
*R128
10k
*R123
NC
R125
NC
*R651
NC
*R652
NC
*R653
NC
R7
0
R8
10k
*R9 NC
R10
10k
R104
4.7k
*R110
NC
R126
47k
R127
6.8k
*R113
1k
*R124
2.2k
R130
9
0
2
R
k
0
0
1
NC
*R521
NC
*R501
NC
*R505
330k
R555
3.3M
R557
3.3M
*R551
15K
*R552
15K
*R553
10K
*R554
10K
R558
10
R556
NC
R561
NC
R562
NC
*R1
6.8k (0.5W)
*R2
0
R120
4.7M
R122
1M
*R103
100k
*R111 NC
*R503
150k
*R523
150k
R107
680k
R108
56k
R132
470K
R301
NC
GND
*C180
NC
*C301
1000u
6.3V
*C304
1000u
6.3V
*C4
4.7u
50
*C651
NC
*C114
220u
16V
*C202
47u 6.3v
*Q101
*Q105
*Q181
*Q601
*Q651
NC
*Q501
@NC
*SA101
*D11
NC
*D12
NC
*D112
25V
*D102
NC
*D106
18V
D303
NC
*D201
*D654
NC
*D1
*D505
*D551
*D553
*D554
*D552
*D6
*D5
NC
*D4
NC
*D3
*D107
D301
*D202
*D108
D105
D302
TP101
TP102
TP1
TP2
BATTP
BATTM
IC1
1
LINE1
2
GND
3
Csw
4
Ra
5
OUT
6
NC
7
Cr
8
LINE2
*IC201
1
AOUT
2
A-IN
3
A+IN
4
GND
5
B+IN
6
B-IN
7
BOUT
8
V+
L201
NC
J49
NC
L651
NC
*PCB
*CN2
*CN1
*CN3-1
@NC
*CN3-2
NC
*POS101
*C5
1u 50
C
C
AGC
PULSE MUTE /
LINE SEIZER
EX-HOOK
DETECT
PULSE
SHAPE
HOOK DETECT
IN-USE
DETECT
TONE
DETECT
PULSE SHAPE
PATTERN
MESSAGE WAITING LED
(Only apply for HK)
Hi-impedance
circuit
RINGER DETECT
*R2 use 
 for China model.
*C2 use 
 for Mexico model.
CN1
CN3-1
CN3-2
RED
WHITE
WHITE
RED
LED
2AP
LED
2AP
CONTROL
CIRCUIT
for battery
consumption
FSK / DTMF
WAKEUP CIRCUIT
22
3.2.
SCHEMATIC DIAGRAM (FOR P.C.BOARD PART No. PQUP11095TA)
3.2.1.
KX-TS108
[Changed from original section "5 CHEMATIC DIAGRAM"]
(33)
(32)
(31)
(30)
(29)
(28)
(27)
(26)
(25)
(24)
(23)
(22)
(21)
(20)
(19)
(18)
(17)
(16)
(15)
(14)
(13)
(12)
(11)
(10)
(9)
(8)
(7)
(6)
(5)
(4)
(3)
(2)
(1)
(5.8V)
Beep
Hold
Music
DTMF
3.7V
(3.7V)
NC: No Components
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(       )
(   )
(   )
)
(
(   )
(       )
(   )
(   )
(       )
(       )
(       )
(       )
)
(
)
(
(       )
(       )
(     )
(     )
(   )
(   )
(   )
(       )
(     )
(       )
)
(
(       )
(       )
(   )
(   )
C602
K0.039
ST4
R607
68K
C614
6.3V47
C481
K0.01
Q602
7
3
R611
18K
R608
3.9K
C622
K0.047
ST2
R618
2.2K
R666
4.7M
R483
2.7M
IC601
1
R R
2
A T X
3
T X I
4
T X O
5
T L I
6
T L O
7
R L I
8
R L O
9
M C I
1 0
M C O
1 1
C P 1
1 2
C P 2
1 3
X D 1
1 4
S K G
1 5
S K O
1 6
V +
1 7
A G C
1 8
C S
1 9
S K I
2 0
V C C
2 1
V B
2 2
V -
2 3
X D C
2 4
V L C
2 5
A C F
2 6
R X O
2 7
R X I
2 8
R A X
R613 100K
8
R601
8.2K
C609
K0.1
C615
16V22
D902
R614
47K
R610
100K
R617
4.7K
1
9
D904
C618
6.3V33
R606
30K
C610 50V1
#
2
C616
K0.1
C605
K0.015
ST5/EMG
R609
3.3M
C613
K0.068
R602
1.2K
D901
5
R615
10K
R612
4.7K
C611 50V1
C624
K0.01
0
C801
K0.01
C608
K0.018
4
C619
25V4.7
C621
6.3V100
*
6
ST3
D903
IC651
NC
1
L N
2
V N
3
A D
4
N C
5
I F
6
V A
7
O S
8
N C
D909
D914
D908
D911
D913
D910
D918
D916
D921
D915
D919
ST7
SP-PHONE
UP
ST8
DOWN
PAUSE
REDIAL
ST9
FLASH
HOLD
ST6
LOWER
Q406
R408
680
R411
680
R407
2.2K
Q405
R409
22K
C408
K0.1
R404
18K
R403
47K
C404
K0.1
C625
10V100
C606
K0.056
R619
22K
R603
3.3K
R604
4.7K
C601
6.3V1000
R655
NC
R653
NC
C651
NC
C652
NC
C653
NC
C654
NC
D651
4
5
6
R
2
5
6
D
NC
D601
C410
NC
C407
NC
R412
6.8K
C603
K0.027
R652
NC
R406
3.3M
R410
470K
1
0
4
D
2
0
6
D
TP601
TP603
TP611
TP612
MUTE
ST10
MIC
SP
T1
1
2
3
4
6
C600
0
R600
4.7K
C406
J220P
C655
NC
R605
2.2M
C612
25V4.7
C620
K0.01
C617
6.3V47
C607
K0.027
TP602
R922
3.3K
R924
47K
C924
K0.012
R925
10K
R482
470K
R665
680K
R667
2.2M
R484
NC
C626
NC
IC801
1
L_SEZ/P_MUT
2
LOOP
3
SP_TXMUTE
4
EXHOOK
5
NC
6
AVdd
7
Vdd
8
OSC2
9
OSC1
10
Vss
11
XI
12
X0
13
MM0D
14
RESET
15
LCD_DATA
16
NC
1 7
L C D _ C L O C K
1 8
L C D _ C S
1 9
L C D _ C N T 1
2 0
L C D _ C N T 2
2 1
B E E P
2 2
P U L S E
2 3
T O N E _ D E T
2 4
H O L D M U S I C
2 5
H E A D S E T _ D E T
2 6
N C
2 7
N C
2 8
S T O P
2 9
H O O K _ S W
3 0
B A T T _ O U T
3 1
B A T T _ L O W
3 2
H S _ V O L 1
33
HS_VOL2
34
HS_VOL3
35
BACKUP
36
TPTEST
37
KEYIN0
38
KEYIN1
39
KEYIN2
40
KEYIN3
41
KEYIN4
42
KEYIN5
43
KEYIN6
44
RELAY
45
KEYSTB0
46
KEYSTB1
47
KEYSTB2
48
KEYSTB3
4 9
K E Y S T B 4
5 0
K E Y S T B 5
5 1
K E Y S T B 6
5 2
K E Y S T B 7
5 3
S P _ L E D
5 4
M U T E _ L E D
5 5
R X _ A G C
5 6
T X _ A G C
5 7
S P _ C S
5 8
S P _ V o l 3
5 9
S P _ V o l 2
6 0
S P _ V o l 1
6 1
A V s s
6 2
D T M F
6 3
T X _ M U T E
6 4
R X _ M U T E
D907
TPSTB7
TPSTB6
TPSTB5
TPSTB4
C806
K1000p
R119
100K
C804
Z0.1
HOOK
SW101-2
R802
100K
R814
100K
R209
100K
R211
47K
Q921
C920 K0.039
R920
10K
R921
3.3K
R891
1K
LED801
SP_LED
LED802
MUTE_LED
R892
NC
D105
LCD
1V
D
D
2
V
LCD
3V
S
S
4D
A
T
A
5W
R
6C
S
R812
27K
Q802
R811
330
Q801
R813
33K
TPSTB0
TPSTB1
TPSTB2
TPSTB3
TPKEY4
TPKEY0
TPKEY2
TPKEY3
TPKEY6
TPKEY5
TPKEY1
TPTEST
C405
K0.1
R405
33K
R661
82K
R662
39K
R663
18K
Q491
Q492
Q493
TPNC
TPRS
Vdd
Q821
Q822
R821
NC
R822
NC
C922
K680P
C921
K680P
LOCK
C802
J18P
C803
J18P
X801
8MHz
1
2
3
R801 1M
X802
32.76K
ST1
PROGRAM
C660 K0.01
Q303
R320
0
C205
NC
R208
NC
NC
Q201
NC
D202
C903    NC
R664
NC
NC
R481
R803
NC
D906
D905
D912
D920
D917
C901
NC
23
(33)
(32)
(31)
(30)
(29)
(28)
(27)
(26)
(25)
(24)
(23)
(22)
(21)
(20)
(19)
(18)
(17)
(16)
(15)
(14)
(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)
(6.3V)
Battery Low 
3.8V
4.5V
3.7V
(3.7V)
3.9V
(5.7V)
Speaker Phone Outgoing Signal
Speaker Phone Incoming Signal
Handset & Headset Incoming Signal
Handset & Headset Outgoing Signal
The voltage during ON-Hook is indicated.
(      ) 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
24
3.3.
CIRCUIT BOARD (FOR P.C.BOARD PART No. PNLB1814VA)
3.3.1.
Main (Component View)
[Changed from original section "12.1.1. Component View"]
KX-TS880/881/889/2388 CIRCUIT BOARD (Main (Component View))
A
E
E
E
E
RED
YELLOW
GREEN/BROWN
BLACK
JP310
E
RED WHITE
RED
CN3-1
CN3-2
FLT1
WHITE
BOND
BOND
C202
C601
C410
C411
SA101
C612
C614
C615
C617
C618
C619
VR401
VR402
R659
C621
C430
C4
C5
Q101
D1
D3
D4
Q105
D5
D6
Q107
C651
C652
L101
C655
L102
D602
JP101
JP301
JP302
JP303
JP304
VR481
J1
J3
J4
R104
J5
R105
J6
J7
J8
J9
D11
D12
POS101
JJ101
D655
R119
Q181
JP1
J10
JP4
J11
JP5
J13
JP7
J14
J15
J16
J17
J18
J19
J20
J21
C101
J22
C102
J23
J24
J25
J26
C106
J27
J28
JJ401
C301
C304
C110
J31
C111
J32
J33
J34
C114
J35
J36
J37
J38
J39
J40
J41
J42
J44
J45
CN1
CN2
R180
R1
R2
R6
D102
D103
D104
SW101
JJ402
D105
D106
D107
D301
C180
J2
J30
R441
J48
J47
D653
J46
D604
JP11
JP10
D303
Q654
D601
J49
R126
R701
JA1
JA1
SW1
T1
SW2
PC1
PC101
C1
PbF
PNLB1814V
Page of 25
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