Panasonic KX-TS2356UAB / KX-TS2356UAW (serv.man3) Service Manual ▷ View online
29
KX-TS2356UAB/KX-TS2356UAW
10.2.3. How to Install the IC
1. Temporarily fix the FLAT PACKAGE IC, soldering the two marked pins.
*Check the accuracy of the IC setting with the corresponding soldering foil.
2. Apply flux to all pins of the FLAT PACKAGE IC.
3. Solder the pins, sliding the soldering iron in the direction of the arrow.
10.2.4. How to Remove a Solder Bridge
1. Lightly resolder the bridged portion.
2. Remove the remaining solder along the pins using a soldering iron as shown in the figure below.
2. Remove the remaining solder along the pins using a soldering iron as shown in the figure below.
30
KX-TS2356UAB/KX-TS2356UAW
10.3. Terminal Guide of the ICs, Transistors and Diodes
31
KX-TS2356UAB/KX-TS2356UAW
11 Schematic Diagram
11.1. For Schematic Diagram
1. SW101: Hook switch.
2. SW2: Ringer selector.
3. DC voltage measurements are taken with electronic voltmeter from negative voltage line.
4. (Add 40 mA to telephone line from the loop simulator.)
5. Off-hook condition
6. No Mack: Handset Mode
7. This schematic diagram may be modified at any time with the development of new technology.
8. The shades area on this schematic diagram incorporates special features important for protection from fire and elec-
2. SW2: Ringer selector.
3. DC voltage measurements are taken with electronic voltmeter from negative voltage line.
4. (Add 40 mA to telephone line from the loop simulator.)
5. Off-hook condition
6. No Mack: Handset Mode
7. This schematic diagram may be modified at any time with the development of new technology.
8. The shades area on this schematic diagram incorporates special features important for protection from fire and elec-
trical shock hazards.
9. When servicing, it is essential that only manufacture's specified parts be used for the critical components in the
shaded areas of the schematic.
32
KX-TS2356UAB/KX-TS2356UAW
11.2. Schematic Diagram (Main)
R421
2.7K
C427
K1000P
R425
1.8M
Q421
R426
2.7K
K5600P
C422
C426
J100P
Q422
R427
82
K0.033
C423
R186
NC
C424
K1800P
6.8K
R423
C425
K0.1
R488
10K
R487
NC
Q481
R482
10K
R485
0
R424
220K
R116
56
R115
12K
C109
K0.022
C108
K1000P
TP403
R414
330K
C410
16V10
R407
56K
Q401
C402
K470P
C181
NC
Q403
R415
560
C407
NC
NC
C406
R403
6.8K
R412
220
C405
K0.1
C403
K1000P
R409
15K
JJ401
4
SP+
3
MIC+
2
MIC-
1
SP-
Q402
R185
NC
C408
K0.01
R402
4.7M
R408
22K
R411
3.3K
R413
18K
R404
270
R410
2.2M
R401
12K
C401
K0.1
Q182
Q482
Q183
TP401
TP402
100
R435
Q405
Q407
Q406
C432
K0.1
10K
R433
T1
1
2
3
4
6
SW2
1
3
2
4
4
5
D652
TP611
TP612
TP602
NC
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
C415
K0.01
R490
0
R489
470K
R112
100
R114
NC
C105
NC
R113
2.7K
C111
16V10
R118
3
.3K
C110
16V47
C107
NC
D104
NC
Q107
D103
5.1V
C106
6.3V220
R119
15
C411
16V4.7
R406
220K
R405
33K
R417
33K
C404
K0.1
C412
0
C413
0
C414
0
MIC
TP601
TP604
TP481
1
SPTX
2
SPCS
3
MUSIC
4
BATTP
5
TXMUTE
6
RXMUTE
7
DTMF
8
CIDW
9
ACK
10
VOL3
11
VOL2
12
TONE
13
VOL1
14
HOOK
15
LSEIZ
16
INUSE
17
PULSE
R418
10K
R129
NC
C433
NC
R484
NC
C485
0
C481
K1000P
C483
K1500P
C484
NC
R492
NC
R494
NC
C482
K1000P
R493
NC
C491
NC
Q491
SP
SPH+
SPH-
JP10
C602
NC
C605
NC
C608
NC
C606
NC
C603
NC
C607
NC
C613
NC
C609 NC
C620
NC
C622
NC
C623
NC
C614
NC
C612
NC
C611 NC
C610 NC
C617
NC
C619
NC
C618
NC
C624
NC
R601
NC
R602
NC
R605
NC
R607 NC
R606
NC
R610
NC
R600
NC
R603
NC
R604
NC
R608 NC
R611
NC
R612
NC
R613 NC
R615
NC
R614
NC
R616
NC
R618
NC
C616
NC
R617
NC
R609 NC
C615
NC
C621
NC
C601
NC
D602
D401
D402
Q408
R621
NC
R620
NC
R619
NC
Q602
D601
C902
NC
C901
NC
R902
NC
R901
NC
R904
NC
R491
NC
R623
NC
R951
NC
Q404
C486
0
TP603
C487
NC
SW2-2
6
8
7
9
9
10
C10
NC
R117
3.3K
R422
NC
VR402
C421
6.3V33u
R483
VR481
Q5
R16
68K
68K
R18
100K
Q3
R19
18K
Q4
R17
100
C11
L1
R15
2.7K
JP14
C13
R11
0
R12
8.2K
R13
27K
VR401
SW1
NC
4
3
2
1
JP11
JP6
JP8
JP12
JP13
R481
10K
C409
K1000P
R903
NC
R952
3.3M
TP451
C7
K0.1
Q1
R416
NC
C434
NC
C9
NC
Q901
JP51
Q2
JP7
DTMF
only apply for 560RU
RUSSIAN DUMMY RINGER
only apply for 560RU
only apply for 580
only apply for 560 (NOT RU)
only apply for 560 (NOT RU)
only appl
for 560RU
for 560RU
NC for 560RU
only for 580RU
(1)
(2)
(3)
(4)
(5)
(7)
(6)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(8)
(5.1V)
NC: No Components
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