Panasonic KX-TS620BX1, Service Manual

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27
KX-TS620BX1
33u H
L1
33u H
L2
K680P
C101
K680P
C102
Q10 3
4.7K
R108
Q104
C106
16V10
10K
R121
Q108
K0.022
C11
3
16V10
C114
R111
NC
K1500P/500V C501
C
3
04
Z0.1
C
3
0
3
10V100
6.
3
V22
C
3
05
R125
1K
C118
K0.1
Q105
10V22
C428
R418 100K
Q402
R419
22K
PC2
1
2 3
4
1
VDD
2
CONT
3
LFI
4
LFO
5
VSS
6 HFO
7
HFI
8
OUT
C111
SW101
CN 3 01
1 6.5V
2 GND
JJ102
DATA
2 TIP
1 RING
JJ101
TEL
1 TIP
2 RING
R120
0
R420 47K
CN401
1 MIC(+)
2 MIC(-)
3 SP(+)
4 SP(-)
Q401
R41
3
3
.
3
M
R414
2.2K
C416
K0.1
R412
68K
R411
10K
R410
3
.
3
K
C417
K0.01
R
3
07
100K
K1500P/500V C502
R12 3
33
K0.01
C117
15(1/2W)
R124
K0.1
C415
R4
3
0
0
C116
NC
R109
NC
R119
1.8K
1K
R1 3 0
100K R11
3
R415
3
90
L 3 0 3
0
C
3
01
NC
UTX GND JTIO URX
DC2
TP101
TP401
TP402
TP40 3
0
R 3 05
R910
1.5M
C905
K0.01
C421
J100P
R417 470K
CN402
Head s et Jack
1
5
4
3
2
C
3
02
NC
DC1
C414
K2200P
D 3 04
1M R504
1M R50 3
180K
R501
180K R502
K1000P
C50 3
K1000P
C504
6.8K
R1
33 0K
R 3
50V0.22
C
3
18K
R2
R5
47K
Q2
Q1
120K
R4
C5
K8200P
Q 3 01
+ 3 .2V
100
R985
1K
R986
1K
R987
PC1
1 2
3
4
CP1
LED804
D2
C105
16V220
D10
3
R118
4.7K
R116
47K
C110
K1.0
R117
6.8K
Q107
Q106
R110
NC
D102
68K
R112
R10
3
100K
R
3
04
100K
4.0V
1
VIN
2
VSS
3
NC
4
NC
5
VOUT
C108
K0.01
4.0V
1
VIN
2
VSS
3
NC
4
NC
5
VOUT
D 3 06
C
3
11
Z0.1
C
3
1
3
Z0.1
Q109
R107 680K
50V1
C4
R6
0
5.0V
VCC
VOUT
NC
GND
R
3
01
22K
D 3
D4
D5
D6
D7
D8
D9
D10
3
0V
D1
PC 3
NC
1 2
3 4
R10
NC
R9
NC
R7
10K
C6
K0.1
D905
4.7V
D904
4.7V
D90
3
4.7V
47K
R106
C107
10V
33
0
C10
3
Z0.01
4.7K
R115
R114
NC
2.2M
R102
2.7M
R104
NC
R105
Q101
10M
R101
Q102
6.
3
V
33
0C
3
07
D105
R 3 0 3 12
Z0.1
C
3
17
R 3 06 12
C
3
08
6.
3
V
33
0
Z0.1
C
3
15
6.
3
V
33
0C
3
16
Z0.1
C
3
06
C
3
12
6.
3
V22
C
3
09
K0.1
4.7V
D106
R9 3 6
8.2K
C954
K1500P
R9 3 7
8.2K
C95
3
K1500P
C120
J10P
C951
K0.0
33
R996 1K
R994 10K
R995 10K
C104
K4700P
18V
D104
CP2
C1
250V1.0
R
3
02
NC
C420
K1000P
C418 NC
R416
NC
C
3
10
10V100
Q 3
50V4.7
C2
R11
NC
R422
33
C42 3
NC
C422
NC
C41
3
K0.01
C419
K1000P
JP101
0
L 3 07
L 3 08
L 3 09
L 3 10
D502
NC
D501
NC
C506
NC
C505
NC
R122
NC
Q110
C112 NC
R
3
08
56K
L 3
L4
SA101
TP102
POS101
SA102
JP102
C115
NC
10K
R1 3 1
For ROM-WRITE
LED ON SUB PCB
KX-TS620BX SCHEMATIC DIAGRAM (MAIN)
NC: No Component s
IC1
IC304
IC305
IC303
(1)
(2)
( 3 )
(4)
(5)
(7)
(6)
(8)
(9)
(10)
(11)
(12)
(1 3 )
(14)
(15)
(17)
(16)
(18)
(19)
(20)
(21)
(22)
(28)
(2 3 )
(24)
(25)
(26)
(27)
(29)
4.0V
DC
4.0V
DC
TX
- Audio
- Tone
Handset/Headset TX
- Audio
RX (ON Hook)
- Caller ID
10V DC (OFF Hook)
0V DC (ON Hook)
Line Voltage
48V DC (ON Hook)
10V DC (OFF Hook)
Loop
current
Handset
Headset
Handset/Headset RX
- Audio
- Tone