Panasonic KX-TC1025RUB Service Manual ▷ View online
17.2. Flow Solder Side View
R104
Q101
D108
R103
C103
R128
R128
C357
R307
R115
R120
C306
R455
C315
C352
D802
J100
C117
C106
D801
C424
C802
C803
C402
C427
R407
C425
L802
L801
C426
R413
R412
R424
R423
R414
R456
C407
C409
C428
E
B
C
C116
C111
R112
R113
R114
R356
R364
C356
R360
C364
24
1
12
13
R415
IC401
R426
R231
C434
R631
R308
R309
D303
C303
R313
R303
R314
R312
C314
C314
R311
R315
R302
R310
C302
C631
C432
C433
R403
C431
C435
R405
C403
C404
C221
R401
R409
C437 C417
R418
R417
C416
C414
C413
C411
R416
C419
R408
C410
R358
C359
SW216
SW209
SW205
SW201
1
2
3
2
4
5
6
R/P
7
8
9
FL
LOC
D
UP
SP
0
#
H/R
SW215
SW210
SW206
SW202
SW219
SW211
SW207
SW203
SW220
SW212
SW208
SW204
SW218
SW213
LED202
SW214
LED201
SW217
C363
C423
C421
C422
C420
R422
R451 C451
C401
C452
C453
C454
R452
R453
R454
R406
R404
R228
R402
R425
C436
R420
R421
R419
D356
R359
C301
R301
R304
C110
C355
C360
R111
R110 R109
C109
R355
R354
D101
C101
C102
C107
R119
R118
R116
C113
C114
E
B
C
LOOP
SIMULATOR
SIMULATOR
1
AF
OSC
OSC
DC
9V
9V
AF
VOLT METER
VOLT METER
S9
S5
S2
KX-TC1025RUB
30
18 SCHEMATIC DIAGRAM
18.1. BASE UNIT
TX
-40.0dBm
-40.0dBm
0
4.6
5.0
5.0
5.0
-8.5dBm RX
1.99
-25dBm
-23dBm
TX
TX
-26.0dBm
8.0
RX (Line output)
+1.0dBm
+1.0dBm
TX (Line input)
-25dBm
-25dBm
(8.0)
TX
+2.0dBm
RX
RX
0
8.02
-8.0dBm RX
1
3
3
10
12
16
17
20
21
21
4.94
4.45
0.01
0.01
0.01
0.01
0.01
4.79
4.49
4.49
(4.93)
TALK
DC VOLTAGE
STBY
TALK
STBY
TALK STBY
TALK
STBY
TALK
STBY
TALK
STBY
(0)
(0)
(4.58)
(4.56)
(0)
(4.9)
(4.47)
22
29-32
45
46
48
51
52
52
53
4.50
0
3.75
0.3
4.65
4.7
0
0
(4.46)
(0)
(3.65)
(3.49)
(4.72)
(4.76)
(0)
(0)
(0)
54
55
56
57
57
60
61
63
63
0
0
4.63
0
4.63
4.63
4.60
4.60
(0)
(4.75)
(4.59)
(4.59)
(0)
(4.59)
(4.59)
(4.57)
(4.57)
RX DATA
TX DATA
KX-TC1025RUB
31
18.2. HANDSET
TALK
31 55.4mV
2.413mV
32 2.397mV
2.412mV
33 2.388mV
2.402mV
36 0.283mV
2.394mV
37 2.380mV
2.394mV
41 4.5mV
0.1mV
STBY
-25dBm
-20dBm
-29dBm
-22dBm
600~900mV
AC (RF)
AC (AF)
AC (AF)
AC (AF)
AC (AF)
AC (AF)
-21.5dBm
-14dBm
DC
AC (RF)
AC 100~160mV
DC 0.9V
AC (RF)
AC 100~160mV
DC 0.9V
BETWEEN
BOTH
TERMINALS
BOTH
TERMINALS
3.8V
3.8V
3.8V
DC
3.8V
3.9V
3.9V
TALK
STBY
STBY
DC
DC
3.7V TALK
3.7V STBY
3.7V TALK
3.7V STBY
+3.9V
DC
2.046V
2.05V
2.046V
2.05V
3.7V TALK
3.7V STBY
3.7V STBY
DC
3.7V TALK
3.7V STBY
3.7V STBY
DC
DC
TX DATA
RX DATA
2.55 (0.3V) TALK/STBY
10ch TALK
RX 30.300MHz
60dBm
RX 30.300MHz
60dBm
DEVIATION
3kHz
0kHz
0kHz
MODULATION
FREQUENCY
1k
1k
1k
RX
TX
TX
DC
3.9V TALK
3.9V STBY
3.9V STBY
KX-TC1025RUB
32
19 CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM (HANDSET)
19.1. Component View
C156
R202
C916
C950
L504
L901
R910
C905
D201
MIC
MIC_G
C201
C501
L501
C901
C502
R501
D512
D511
C505
C503
R503
R502
C912
Q912
Q501
Q502
Q911
R913
C931
X901
C932
RA902
R906
C911
C907
C904
C914
C913
C903
R801
Q914
RA901
R923
R924
R921
R922
Q913
C191
D101
D102
C192
C135
C138
C155
T301
J152
J151
C128
C131
C130
C132
R130
C210
VR301
C211
C208
R222
R221
C330
C331
R321
R324
R323
C352 R322 C322 VD301
C321
C323
C311
R303
C203
R203
C204
C205
C206
C207
C157
C150
C104
C107 C112
R109
C108
C109
R123
C127
C124
R905
RINGER
C110
R914
R127
C126
R125 R124
C125 R139
C111
X101
J100
J102
L101
D100
DUP101
T201
IC101
43
56
29
1
T210
CF1
CF2
L301
R100
DUP301
C312
C314 J302
IC301
R305
C325
C221
C222
R140
R129
C133
C133
C137
Q101
Q102
R205
C136
C933
R907
IC801
J901
IC901
D914
D913
C202
VR201
D911
34
44
23
12
1
R505
R506
CN1
R915
C511
D501
L503
C915
C507
C906
R911
Q910
X102
E
E
C
C
B
B
D917
D918
D916
D915
D901
L502
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
VR202
8
5
1
4
E
C
B
D912
AF Volt Meter
SP LEVEL
AF Genelator
MIC-INPUT
47 F
Oscilloscope
RF-S.G.
FM Deviation Meter
TX ANT
S4
S3
S3
S7
S5
S6
S1
TX ANT
TX GND
RX GND
RX ANT
Frequency Counter
RF VOLT METER
Ni-Cd Battery
SIG-OUT
S9
KX-TC1025RUB
33
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