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ORDER NO. KM40002563C2
Telephone Equipment
KX-TC1025RUB
Cordless Phone
Black Version (for Russia)
www.chat.ru/~vidak
KX-TC1025RUB
16 SCHEMATIC DIAGRAM (RF UNIT)
RX MODE 1kHz Mod 3kHz Dev
RX -20dBm RX -21.5dBm
-29dBm
-40dBm
-8.0dBm RX
RX DATA
-18dBm TX
7.96 (7.90)
7.89 (7.90)
RX DATA
4.56 (0)
RF 230mV
27
KX-TC1025RUB
17 CIRCUIT BOARD AND WIRING CONNECTION
17.1. Component View
DIAGRAM (BASE UNIT)
D902
SA101
R126 L101 P101 L102
SA102
CN101
Q602 Q603 R621 R616 R618 C624 C C C630 R617 C625 B E B E C611 C622 R619 R622 L353 C623 R602 D353 R623 C104 R620 C606 C618 C614 C613 R105 R605 C607 Q106 C C626 1 30 R613 D352 3 R615 R612 R606 Q104 D102 C105 C615 E R106 B L201 C358 C612 C621 C608 R604 D107 E C B R357 Q352 R607 Q353 C C209 L356 C206 R121 R608 R130 B R211 IC601 D106 C112 B X201 E C609 R123 R217 R362 C Q604 Q354 R601 R102 Q103 C R614 R207 R214 C602 Q107 R352 C203 R122 R609 E C B E B B R361 CN353 R205 C202 E R101 R129 C617 R206 R208 R233 C 15 16 R107 R108 R131 C115 R363 C Q105 C201 B E C R210 C205 R125 R610 C603 R627 R124 R628 R629 E C B C207 E E C119 64 49 R117 C633 48 R633 R218 D357 C634 1 C406 C412 C405 C418 C415 C408 R634 C C223 C632 B E R220 R216 R632 R229 IC201 Q605 D358 C204 C629 Q102 E C B D103 C108 R151 C151 R351 Q351 L355 L354 C354 B CN352 1 C620 C610 C619 C616 R603 25 C362 IC301 C353 14 C305 17 32 R638 R639 R636 C304 R318 D912 R637 C Q606C628 C225 R222 R636 B E C309 R626 R226 R224 R201 R203 D302 VR301 R232 R305 C310 C635 C627 R625 R235 R624 R223 R225 R202 R204 C307 R316 C308 R234 C157 R306 C156 R317 C222 R154 B C C316 C152 C154 E R152 R157 D301 D360 Q152 R155 B E C153 R158 R156 C155 C R153 TEST1 Q151 R635 D359 TESTG1 VR402 R410 R462 R219 R221 C224 16 33
D354
R604 Q601 C605 C B E R611 R215 R209
R227 R213
D901 D906 D910 D903 D907 D904 D908 D911 D905 D909 C601
L352
L351
1 C311
13 C313
R801 C118 C801
L804 RF_UNIT_1
12
C315 C312 VR401 R461
R212
IC351 2
29
KX-TC1025RUB
18 SCHEMATIC DIAGRAM
18.1. BASE UNIT
+2.0dBm RX -26.0dBm TX
RX (Line output) +1.0dBm TX (Line input) -25dBm
TX -23dBm
5.0 5.0 -25dBm TX 8.0 (8.0)
5.0
1.99 -8.5dBm RX 4.6 0 TX -40.0dBm 0
TX DATA
RX DATA -8.0dBm RX
8.02
DC VOLTAGE 1 3 10 12 TALK STBY 4.94 (4.93) 16 (0) 17 4.45 (0) 20 0.01 0.01 (4.58) 21 TALK STBY TALK STBY TALK STBY TALK STBY (0) 60 0 0.01 (4.56) 22 4.50 (4.46) 48 4.65 (4.72) 54 (0) 51 4.7 (4.76) 55 (4.75) 61 (0) 29-32 0 0 0.01 45 3.75 (3.65) 52 (0) 56 4.63 (4.59) 63 4.79 (4.9) 0 (0) 0.3 (3.49) 53 0 (0) 57 4.49 (4.47) 46 0 TALK 4.63 4.63 4.60 STBY (4.59) (4.59) (4.57)
31
KX-TC1025RUB
18.2.
HANDSET
DC 3.8V 3.8V 3.8V TALK 3.9V STBY 10ch TALK RX 30.300MHz 60dBm DC RX TX MODULATION FREQUENCY 1k 1k DEVIATION 3kHz 0kHz 2.55 (0.3V) TALK/STBY
RX DATA
AC (AF) -22dBm AC (RF) 600~900mV
AC (AF) -29dBm AC (AF) -20dBm
DC
3.7V TALK 3.7V STBY
3.9V TALK 3.9V STBY DC +3.9V
DC
3.7V TALK DC 3.7V STBY
-25dBm BETWEEN BOTH TERMINALS AC (AF) -14dBm AC (AF) -21.5dBm
31 32 33 36 37 41
TALK 55.4mV 2.397mV 2.388mV 0.283mV 2.380mV 4.5mV
STBY 2.413mV 2.412mV 2.402mV 2.394mV 2.394mV 0.1mV
DC 3.7V TALK 3.7V STBY
DC 2.046V 2.05V
DC AC (RF) AC 100~160mV DC 0.9V
TX DATA
32
KX-TC1025RUB
19 CIRCUIT BOARD AND WIRING CONNECTION
19.1. Component View
DIAGRAM (HANDSET)
RF VOLT METER S4 S3 TX ANT S7 Frequency Counter FM Deviation Meter RF-S.G. SIG-OUT Oscilloscope S1 R914 T210 CF1 CF2 R905 RINGER IC801 1 4 8 5 R913 R906 R915 Q911 E C915 E C C R506 RA902 C932 C931 B B C E B C507 Q912 Q502 R907 R505 VR202 X901 C933 34 23 C912 C911 C907 R502 Ni-Cd Battery
RX GND S6 RX ANT
C511 D501
L503
DUP101 L101 D100
J102 TX ANT R100 L301 TX GND
C107 C112 C109 C127 R109 C104 C124 C108 C111 R123 C150 T201 R125 R124 43 29 C126 C125 R139R127 C128 C130 IC101 J151 C157 C131 R140 C132 56 J152 R130 X101 C208 R129 1 C210 C133 C222 C206 C204 R203 R222 J100 C221 C207 C205 C203 C330 C331 R221 R303 VR301 R323 R324 R321
CN1
C110
C211
C155
Q913
E B C
C138
B E
DUP301
R305 C311 C325 T301 C312 C135 IC301 C321 C323 C314 J302 C352 R322 C322 VD301
D102 C137
C
Q102
C192 S5
R503 D512 C503 C502 C505 C904 E R501 C D511 B MIC_G C914 IC901 Q501 C913 C903 X102 MIC L502 R923 R924 RA901 Q914 44 D201 C201 J901 C501 C906 R921 1 12 Q910 E B C905 R922 R801 C L501 C901 R910 R911 L504 D914 C950 D101 Q101 L901 C136 D911 D913 D916 B VR201 C916 D915 C D901 R205 E R202 C202 D918 D917 C191 C156
SP LEVEL AF Volt Meter D912 MIC-INPUT AF Genelator
47 F S9
33
KX-TC1025RUB
15 CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM (RF UNIT)
15.1. Component View
DUP801
CF801 T801 T890 C804 C807 C806 D881 R826 CF802 L803
C843 C840 R821 12
C842 C808 11 R824 R823
C805 42 43
IC801 CN802 C838 56 1 2 1 X801 C832 R818 C833 C831 C830 C828 R816 C834 R817
C810 C809 C812 R803 C814 C811 R804 C813 R805 C864 29 28 C827 R810 R809 C820 C821 J883 15 14 C825 R815 C826 C829 R811 C822 J884 C824 T851 VR852
CN801 DUP802 E B Q854 C D804
25