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RX

TX

VREF

IST Mix IN

VCC2

VCO CONT

VCO1

VCO2

C-RECT

RX CP

TX CP

PLL GND

TX IN

VCC3

LO1

LO2

S-OUT

DATA

STB

FL-OUT

FL-IN

COMP

OUT

C-NF

AF

OUT

REF

IN

AF-IN

REF

OUT

EXP OUT

REC IN

RO1

RO2

BAT. ALM

RSSI

DATA O/P

DATA I/P

FIL-IN

F OUT

DET.

OUT

QUAD

IF

OUT

GND2

DEC

IF

IN

VCC1

2ND

MIX

OUT

N-REC

2ND

MIX

IN

E-REC

IST

MIX

OUT

IFT\7

VR8

RX DATA

GND

CLK

VOL1
VOL2
VB

RSSI
IC2-22
RF-STB
RF-DATA
RF-CLK
VTX
TXDATA

2.5*4

TP

TP

TP

TP

TP

VBAT

TP

TP

TP

TP

TP

TP

TP

TP

TP

R99
4K7
R0603

C114

12P
C0603

C60

12P
C0603

R21
36K
R0603

C80
103
C0603

C78
103
C0603

C79
103

C0603

REC1
SD153
SIP2

R97

R0603

150K

R110

1K

R0603

R109
1K
R0603

R108
1K
R0603

R10
330
R0603

C22
103
C0603

C87
N/A
C0603

MC1

MIC

+

C51

220U/10V
EC5/2.5

R36
2K
R0603

C88
104
C0603

C20

NA
C0603

R107
2K2
R0603

R102
15K
R0603

C85

105
C0603

C10
NA
C0603

C50
103
C0603

C2
473
C0603

Q1
TO-92S\EBC

R3
6K8
R0603

C52
103
C0603

R1
330
R0603

R5
10K
R0603

R26
10K

R0603

C44

105

C0603

R15

0

R0603

L1
1.2uH
L5

Q2

SOT-23\ECB

Q3

SOT-23\ECB

R20
1K3

R0603

R18
10K

R0603

R6 10K

R0603

C32
104

C0603

C41

NA

C0603

VC1

20P

C38
150P
C0603

C28
222
C0603

R29

820
R0603

C53
223

C0603

C27
104
C0603

R9
82K
R0603

R16
10K
R0603

C30
104
C0603

R13
68K
R0603

C23

102
C0603

R51
2K7
R0603

R45
100K

R0603

R49

47K

R0603

C9
102
C0603

C4
NA
C0603

C35
150P
C0603

T1
1431
IFT\7

1

3

R50
8K2

R0603

DPX1
DPX2543
DUP\25P

3

4

2

5

1

ANT

GRX

GTX

RX

TX

R2
15K

R0603

R8
220K
R0603

R19

4K7
R0603

C34

680P
C0603

C5
104
C0603

T5
1432
IFT\7

4

5

3

2

1

R106

82
R0603

C47
333
C0603

T6

1434

IFT\7

+

C42

47U/10V
EC5/2.5

C54
5P

C0603

Q5

SOT-23\EBC

R44
27K
R0603

DV1
VCD2

C61
104
C0603

R41
120K
R0603

R39
220K
R0603

R35

47K

R0603

R7
NA

R0603

R34
220K
R0603

C56
1.5P

C0603

X1

10.245MHZ
XTAL\10A

R28

180K
R0603

C46
103
C0603

C39

150P

C0603

C21
223

C0603

L6
220nH
0805

+

C1
47UF/10V
EC5/2.5

C8

473

C0603

C36
47P

C0603

C6
102

C0603

CF2
455E
FILTER\2

1

5

2

3

4

+

C37

10U/16V
EC5/2.5

C7
104
C0603

CF1 10.7MHZ
FILTER\1

1

2

3

C24
82P
C0603

+

C12
2U2/50V
EC5/2.5

C13

27P

C0603

R25
91K
R0603

C16
473

C0603

+

C29

2.2U/50V
EC5/2.5

C17
102

C0603

+

C15
10U/16V
EC5/2.5

R17
4K3
R0603

+

C18

2.2U/50V
EC5/2.5

R11

R0603

5K6

T3
1433

4

6

3

2

1

R14
15K
R0603

C26
103
C0603

+

C43
2U2/50V
EC5/2.5

R24
4K7
R0603

R101 47

R0603

C55
103
C0603

R43

R0603

100 K

R47

2K2
R0603

R38
10

R0603

IC1

39

40

41

42

24

22

23

21

43

44

45

46

47

48

1

2

3

4

5

6

7

8

9

10

11

12

13

14

20

19

18

17

16

15

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

24

22

23

21

43

44

45

46

47

48

1

2

3

4

5

6

7

8

9

10

11

12

13

14

20

19

18

17

16

15

25

26

27

28

29

30

31

32

33

34

35

36

37

38

Q6

SOT-23\EBC

Q4

SOT-23\ECB

C40
103
C0603

C14
103
C0603

C59
27P
C0603

C62
47P
C0603

R52
220
R0603

R40
22

R0603

C11
NA
C0603

R46
470K
R0603

C49
223

C0603

C57

15P

C0603

R48
22K
R0603

C58
103
C0603

R42
22K
R0603

R91

0

R0603

R12
220K
R0603

R96
47
R0603

R94

330K
R0603

R95

39K

R0603

R93
10K

R0603

C75
103
C0603

C76
470P
C0603

C77
470P
C0603

C3

8P

C0603

R103
1M
R0603

C31

103

C0603

C113
68P
C0603

C112
56P
C0603

R113
NA
R0603

ANT1
ANTENNA
PAD3

R98
NA
R0603

C45

105

C0603

R30

0

R0603

R37
1K
R0603

R145

47

R0603

R23
56K
R0603

R22
39K
R0603

C33
104
C0603

+

C48

47U/10V
EC5/2.5

455kHz

3.9V

0V

10.7MHz

2.1V

RX

3.9V

3.1V
(In Talk Mode)

TX

0V

KX-TC1201BXB/BXW/BXS/BXF  SCHEMATIC DIAGRAM (Handset (RF Unit))

Содержание KX-TC1201BXB

Страница 1: ...ER NO KM40201787C3 Telephone Equipment KX TC1201BXB KX TC1201BXW KX TC1201BXS KX TC1201BXF Cordless Phone Black Version White Version Silver Version Blue Version for Asia Middle Near East and Other areas 1 ...

Страница 2: ...SPECIFICATIONS 2002 Kyushu Matsushita Electric Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 2 ...

Страница 3: ...1 BATTERY 1 1 Recharge 1 2 Battery information 3 ...

Страница 4: ...2 BATTERY REPLACEMENT 3 LOCATION OF CONTROLS 3 1 Base Unit 4 ...

Страница 5: ...3 2 Handset 5 ...

Страница 6: ...4 CONNECTION 6 ...

Страница 7: ...C adaptor must remain connected at all times It is normal for the adaptor to feel warm during use When more than one unit is used the units may interfere with each other To prevent or reduce interference please leave ample space between the base units 7 ...

Страница 8: ...4 1 Adding Another Phone This unit will not function during a power failue To connect a standard telephone on the same line use a T adaptor 8 ...

Страница 9: ...5 OPERATIONS 5 1 Making Calls 5 2 Answering Calls 9 ...

Страница 10: ...5 3 Storing Phone Numbers in Memory 5 4 Storing a Phone Number in the DIRECT Button 10 ...

Страница 11: ...5 5 Dialing a Stored Number 5 6 Dialing a Stored Number in the DIRECT Button 11 ...

Страница 12: ...5 7 FLASH Button 6 DISASSEMBLY INSTRUCTIONS 12 ...

Страница 13: ...Show in Fig To remove Remove 1 Lower Cabinet Screws 2 6 12 A 4 2 Main P C Board Screws 2 6 6 B 1 Screws 2 6 6 C 2 Screws 2 6 12 D 1 Main P C Board 13 ...

Страница 14: ...Show in Fig To remove Remove 3 Rear Cabinet Battery compartment cover 4 Screws 2 6 12 E 2 5 Main P C Board Screw 2 6 12 F 1 Tape and solder Main P C Board 7 TROUBLESHOOTING GUIDE 14 ...

Страница 15: ...Cross Reference Check Power Bell Reception Check Battery Charge Check Link Check Handset Transmission Check Handset Reception 7 1 Check Power 15 ...

Страница 16: ...nce Reset Circuit Base Unit Power Supply Circuit Note CPU IC2 Cross Reference Charge Circuit Note CPU IC2 Each measurement points are shown in CIRCUIT BOARD Base Unit or CIRCUIT BOARD Handset 7 2 Bell Reception 16 ...

Страница 17: ...p even after key was pressed to answer the call In this case the Base Unit and the Handset might have been mixed up at the customer side Therefore each of these units should be replaced to the original ones which have the same suffix Each measurement points are shown in CIRCUIT BOARD Base Unit or CIRCUIT BOARD Handset 7 3 Check Battery Charge 17 ...

Страница 18: ...ross Reference Charge Circuit Power Supply Circuit Note CPU IC2 Cross Reference Reset Circuit Handset Note CPU IC2 Each measurement points are shown in CIRCUIT BOARD Base Unit or CIRCUIT BOARD Handset 18 ...

Страница 19: ...7 4 Check Link Refer to Adjustment Note CPU IC2 RF IC IC1 Each measurement points are shown in CIRCUIT BOARD Base Unit or CIRCUIT BOARD Handset 19 ...

Страница 20: ... Refer to Adjustment Note CPU IC2 RF IC IC1 Each measurement points are shown in CIRCUIT BOARD Base Unit or CIRCUIT BOARD Handset 20 ...

Страница 21: ...t Make adjustments in item The base unit dose not transmit or the transmit frequency is off Make adjustments in item The transmit frequency is off Make confirmation in item The transmit power output is low and the operating distance between the base unit and the handset is less than normal Make confirmation in item The reception sensitivity of base unit is low with noise Make confirmation in item ...

Страница 22: ...est Mode Flow Chart Base Unit The operation flow of Test mode and main check items are shown below Note Refer to the above table 8 2 How to change the channel Refer to Flow Solder Side View 8 3 Adjustment 22 ...

Страница 23: ...evel Confirmation 3ch Talk 1 Apply 60dBm output from S S G modulation frequency 1KHz dev 3KHz 2 Confirm that the reading of AF VTVM is 600mV 200mV 600 load G Line Input Modulation Confirmation 3ch Talk 1 Input via loop simulator 1 0KHz 130mV measured at T R signal 2 Apply 60dBm output from S S G modulation frequency 1KHz dev 0KHz 3 Confirm so that the reading of FM Deviation Meter is 3 1KHz 0 4KHz...

Страница 24: ...confirmation in item The reception sensitivity of base unit is low with noise Make confirmation item F Does not link between the base unit and the handset Make confirmation in item The reception level is high or low Make confirmation item H The transmit level is high or low Make adjustments in item Refer to Adjustment Unit condition 1 Remove the antenna lead wire from P C Board of the handset 2 Po...

Страница 25: ...Note Refet to CIRCUIT BOARD Handset Signal Route 9 2 How to change the channel 9 3 Adjustment 25 ...

Страница 26: ... from S S G modulation frequency 1KHz dev 0KHz 2 Confirm 2nd IF output so that the reading of RF VTVM is more than 15mV G Noise Squelch Confirmation 3ch Talk 1 Measure the SSG output level when the noise squelch changes from Low to High modulation frequency 1KHz dev 3kHz 2 Confirm that the SSG output level is 105dBm H Speaker Output Level confirmation 3ch Talk 1 Apply 60dBm output from S S G modul...

Страница 27: ... Refer to Adjustment 10 2 Handset Item Value Refer to Remarks TX Frequency 49 860 MHz 0 1kHz ADJUSTMENTS HANDSET D at CH3 TX Power 2 5mW 0 5mW 3CH ADJUSTMENTS HANDSET E at CH3 Antenna soldering point 50 Load Data Modulation factor 4 0 kHz dev 6 0 kHz dev ADJUSTMENTS HANDSET J at CH3 MIC Modulation factor 2 7 kHz dev 3 5 kHz dev ADJUSTMENTS HANDSET I at CH3 MIC terminal 12mV Input SP Output level 1...

Страница 28: ...28 ...

Страница 29: ...43 720 2 43 740 49 845 49 845 43 740 3 43 820 49 860 49 860 43 820 4 43 840 49 770 49 770 43 840 5 43 920 49 875 49 875 43 920 6 43 960 49 830 49 830 43 960 7 44 120 49 890 49 890 44 120 8 44 160 49 930 49 930 44 160 9 44 180 49 990 49 990 44 180 10 44 200 49 970 49 970 44 200 13 EXPLANATION OF CPU DATA COMMUNICATION 13 1 STAND BY TALK TALK STAND BY 29 ...

Страница 30: ... The channel is changed if the noise interferes with the conversation 13 2 Ringing 30 ...

Страница 31: ...13 3 Changing the Channel 31 ...

Страница 32: ... for transmitting and receiving of data Handset transmitting TX 36 Pin receiving RX 4 Pin Base Unit transmitting TX 17 Pin receiving RX 10 Pin 13 5 Waveform of DATA used for cordless transmission and reception 32 ...

Страница 33: ...transmitted from the Handset to the Base Unit is combination of DATA 0 DATA 1 PSEUD The DATA which is transmitted from the Base Unit to the Handset is combination of DATA 0 DATA 1 PSEUD 13 5 1 Handset 13 5 2 Base Unit 33 ...

Страница 34: ...unit consists of the following ICs as shown in BLOCK DIAGRAM CPU IC2 Controlling the whole system Forming analyzing all data signals ACK CMD signal etc All interfaces ex LED KEY SP Mic LCD Detector Circuit Charge Power Down Refer to EXPLANATION OF CPU DATA COMMUNICATION RF IC IC1 PLL Oscillator Detection Compress Expander 34 ...

Страница 35: ...ly Circuit The power supply to the CPU Digital Analog and RF IC from AC Adaptor 12V is shown in the diagram below The base unit power supply is DC12V The handset s power is supplied from 3 6V battery Nickel Cadmium battery which is installed in the handset Power supply for transmitter is turned on by a press of Talk key on the handset During the stand by mode the unit stops transmitting but receiv...

Страница 36: ...Adaptor power failure and maintains the unit security code Fig 1 16 3 Reset Circuit Base Unit After power supply from AC adaptor the VREG is input for making reset signal Refer to the below waveform Fig 2 Fig 3 36 ...

Страница 37: ...current is controlled by switching Q701 of Handset The battery is charged in normal mode for 10 hours and then in trickle mode 16 5 Telephone Line Interface Function Bell signal detection ON OFF hook and pulse dial circuit Side tone circuit Bell signal detection and OFF HOOK circuit In the idle mode Q103 is open to cut the DC loop current and decrease the ring load When ring voltage appears at the...

Страница 38: ...e pulse dialing via Q6 Make Break ratio when dialing with the Handset 40 60 Side Tone Circuit Basically this circuit prevents the TX signal from feeding back to RX signal As for this unit TX signal feed back from Q11 is canceled by the cancellor circuit of AGC 16 6 Transmitter Receiver Base Unit and Handset are mainly consists of RF Radio Frequency IC and CPU Base Unit and Handset transmit receive...

Страница 39: ...lified by Receiver amplifier is output to receiver REC1 The receiver loudness is adjustable using LOUD key on the handset Q2 and Q3 control the volume When CPU VOL1 becomes low the volume becomes MID while CPU VOL1 2 become low the volume becomes HIGH TX data to Handset CPU VTX becomes low to turn on the transmission power transistor Q2 and CPU TX data sends data signal It is FM modulated by TXVCO...

Страница 40: ... IC RX data is output to CPU RX Data 16 6 3 RF signal operation control and PLL operation RF UNIT Base unit radio frequency signal received by antenna passes through duplexer DPX1 RF signal is amplified by RF AMP RF signal received from RF IC is mixed with RX local frequency at Mixer to generate 10 7 MHz wide band IF The reference frequency is generated by X1 10 245 MHz crystal VC1 is the referenc...

Страница 41: ...ERATION HANDSET 17 1 Reset Circuit Handset The power of handset is supplied by battery Whenever the battery is recharged or inserted the impulse at CHG becomes Reset signal through Q11 and sent to CPU Fig 4 Fig 5 41 ...

Страница 42: ...Shortly every detected blocks are inside of RF IC The detected voltage is as follows Battery Low Battery voltage V Batt 3 57V The CPU detects this level and Recharge battery LED starts flashing Power Down Battery voltage V Batt 3 3V The output of RF IC P DOWN becomes low level then CPU stops working to keep the data CH number ID Code etc 42 ...

Страница 43: ...Fig 6 18 CPU DATA Base Unit 18 1 IC2 43 ...

Страница 44: ...19 CPU DATA Handset 19 1 IC2 44 ...

Страница 45: ...20 HOW TO REPLACE FLAT PACKAGE IC 20 1 Preparation SOLDER 45 ...

Страница 46: ...iron but beginner might damage foil by overheating Flux HI115 Specific gravity 0 863 Original flux will be replaced daily 20 2 Procedure 1 Temporary fix FLAT PACKAGE IC by soldering on two marked 2 pins Most important matter is accurate setting of IC to the corresponding soldering foil 2 Apply flux for all pins of FLAT PACKAGE IC 3 Solder employing specified solder to direction of arrow as sliding...

Страница 47: ...ification Procedure of Bridge 1 Re solder slightly on bridged portion 2 Remove remained solder along pins employing soldering iron as shown in below figure 21 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 47 ...

Страница 48: ...22 CABINET AND ELECTRICAL PARTS LOCATION HANDET 48 ...

Страница 49: ...23 ACCESSORIES AND PACKING MATERIALS 49 ...

Страница 50: ...and product retention At the end of this period the assembly will no longer be available 2 Important safety notice Components identified by the mark indicates special characteristics important for safety When replacing any of these components only use specified manufacture s parts 3 The S mark means the part is one of some identical parts For that reason it may be different from the installed part...

Страница 51: ...35Z1 HOOK LEVER for KX TC1201BXB S 6 PQKE10335Z5 HOOK LEVER for KX TC1201BXW S 6 PQKE10335Z4 HOOK LEVER for KX TC1201BXS S 6 PQKE10335Z2 HOOK LEVER for KX TC1201BXF S 7 PQKF10534Y1 LOWER CABINET for KX TC1201BXB KX TC1201BXF S 7 PQKF10534Y3 LOWER CABINET for KX TC1201BXW S 7 PQKF10534Y2 LOWER CABINET for KX TC1201BXS S 8 PQKM10509Y1 UPPER CABINET for KX TC1201BXB S 8 PQKM10509Y5 UPPER CABINET for ...

Страница 52: ...SI Q20 SB110390405 TRANSISTOR SI Q21 SB110390405 TRANSISTOR SI Q23 SB110390405 TRANSISTOR SI DIODES D1 SC15L414808 DIODE SI D2 BC2G0400400 DIODE SI D3 BC2G0400400 DIODE SI D4 BC2G0400400 DIODE SI D5 BC2G0400400 DIODE SI D6 BC0P0072304 DIODE SI DV1 BC6K0025101 DIODE SI R182 SV110201203 DIODE SI ZD1 BC050474801 DIODE SI ZD2 BC050474801 DIODE SI ZD3 SC4555C4V71 DIODE SI ZD5 SC4555C4V71 DIODE SI ZD8 B...

Страница 53: ...7 RELAY SW1 DETP1200017 PUSH SWITCH VC1 CR00020RRT5 TRIMMER CAPACITOR RESISTORS R1 ERJ3GEYJ470 47 R2 ERJ3GEYJ331 330 R3 ERJ3GEYJ333 33k R4 ERJ3GEYJ822 8 2k R5 ERJ3GEYJ103 10k R6 ERJ3GEYJ103 10k R7 ERJ3GEYJ334 330k R8 ERJ3GEYJ103 10k R10 ERJ3GEYJ393 39k R12 ERJ3GEYJ331 330 R13 ERJ3GEYJ513 51k R14 ERJ3GEYJ103 10k R15 ERJ3GEYJ562 5 6k R16 ERJ3GEYJ153 15k R17 ERJ3GEY0R00 0 R18 ERJ3GEYJ153 15k R19 ERJ3...

Страница 54: ...3 ERJ3GEYJ104 100k R64 ERDS2TJ103 10k R68 ERJ3GEYJ104 100k R74 ERJ3GEYJ332 3 3k R75 ERJ3GEYJ103 10k R77 ERJ3GEYJ203 20k R78 ERJ3GEYJ393 39k R79 ERJ3GEYJ823 82k R81 ERJ3GEYJ164 160k R82 ERJ3GEYJ103 10k R83 ERJ3GEYJ103 10k R84 ERJ3GEYJ562 5 6k R85 ERJ3GEYJ103 10k R86 ERJ3GEYJ473 47k R87 ERJ3GEYJ103 10k R88 ERJ3GEYJ103 10k R89 ERJ3GEYJ103 10k R90 ERJ3GEYJ225 2 2M R91 ERJ3GEYJ154 150k R92 ERJ3GEYJ103 ...

Страница 55: ...2 2 2k R146 ERJ3GEYJ153 15k R148 ERJ3GEYJ103 10k R149 ERJ3GEYJ182 1 8k R150 ERJ3GEYJ514 510k R152 ERDS2TJ206 20M R153 ERJ3GEYJ104 100k R154 ERJ3GEYJ330 33 R155 ERJ3GEYJ470 47 R156 ERJ3GEYJ470 47 R159 ERJ3GEYJ104 100k R160 PQ4R10XJ000 0 S R161 PQ4R10XJ000 0 S R166 ERJ3GEYJ470 47 R167 ERJ3GEYJ103 10k R170 ERJ3GEYJ102 1k R171 ERJ3GEYJ102 1k R172 ERDS2TJ103 10k R173 ERDS2TJ102 1k R174 ERDS2TJ102 1k R1...

Страница 56: ...CUV1H151JCV 150p C35 ECUV1H180JCV 18p C36 ECUV1H101JCV 100p C37 ECUV1H151JCV 150p C38 ECEA1HU100 10 S C39 ECUV1H103KBV 0 01 S C40 ECUV1H270JCV 27p C41 ECEA1EK470 47 S C42 ECEA1HU2R2 2 2 C43 ECUV1C104ZFV 0 1 C44 ECUV1H472KBV 0 0047 C45 ECUV1H333KDV 0 033 S C46 ECUV1H102KBV 0 001 C47 ECUV1H103KBV 0 01 S C48 ECUV1H223KBV 0 022 S C49 ECUV1C104ZFV 0 1 C50 ECEA1HU220 22 S C51 ECUV1C104ZFV 0 1 C52 ECUV1H...

Страница 57: ...68 680p C82 ECUV1C104ZFV 0 1 C83 ECUV1H223KBV 0 022 S C85 ECUV1C683KBV 0 068 C90 ECUV1C683KBV 0 068 C92 ECUV1C104KBV 0 1 C93 ECUV1H562KBV 0 0056 C94 ECEA1CK101 100 S C95 CB114714205 470 C96 ECUV1H103KBV 0 01 S C97 ECEA1HKA4R7 4 7 C98 ECEA1EU221 220 C99 ECUV1H103KBV 0 01 S C101 ECUV1H562KBV 0 0056 C102 ECEA1EU221 220 C103 ECEA1AU470 47 C104 ECFD1C104KD 0 1 S C105 ECEA1CK101 100 S C106 ECUV1A105ZFV ...

Страница 58: ... KX TC1201BXB KX TC1201BXF 106 PQSA10091X ANTENNA for KX TC1201BXW KX TC1201BXS 107 PQSX10191Z KEYBOARD SWITCH for KX TC1201BXB KX TC1201BXF 107 PQSX10191V KEYBOARD SWITCH for KX TC1201BXW 107 PQSX10191W KEYBOARD SWITCH for KX TC1201BXS 108 PQXA36ASVC BATTERY 109 FH1T1200011 CUSHION URETHANE FORM 110 CG2P1200012 SPEAKER 111 FE4T1200019 SP NET 112 FH2T1200012 BUZZER SHEET 113 PQHR10896Z LIGHT TAPE ...

Страница 59: ...CRYSTAL OSCILLATOR X3 BD1R0399105 CRYSTAL OSCILLATOR TRANSFORMERS T1 CLIP1200053 TRANSFORMER T3 CLIP1200070 TRANSFORMER T5 CLIP1200061 TRANSFORMER T6 CLIP1200088 TRANSFORMER OTHERS E101 CK15HC12G10 RINGER E102 CGAP1200019 MICROPHONE E103 PQJT10183Z CHARGE CONTACT BATT1 PQJP2D13Z CONNECTOR BZ1 CK15HC12G10 BUZZER VC1 CR00020RRT5 TRIMMER CAPACITOR RESISTORS R1 ERJ3GEYJ331 330 R2 ERJ3GEYJ153 15k R3 ER...

Страница 60: ...6 ERJ3GEYJ474 470k R47 ERJ3GEYJ222 2 2k R48 ERJ3GEYJ223 22k R49 ERJ3GEYJ473 47k R50 ERJ3GEYJ822 8 2k R51 ERJ3GEYJ272 2 7k R52 ERJ3GEYJ221 220 R53 ERJ3GEYJ820 82 R54 ERJ3GEYJ104 100k R55 ERJ3GEYJ390 39 R56 ERJ3GEYJ222 2 2k R57 ERJ3GEYJ102 1k R58 ERJ3GEYJ470 47 R59 ERJ3GEYJ222 2 2k R60 ERJ3GEYJ222 2 2k R61 ERJ3GEYJ331 330 R62 ERJ3GEYJ222 2 2k R63 ERJ3GEYJ103 10k R64 ERJ3GEYJ103 10k R65 ERJ3GEYJ331 3...

Страница 61: ...02 1k R112 ERJ3GEYJ102 1k R145 ERJ3GEY0R00 0 CAPACITORS C1 ECEA1EK470 47 S C2 ECUV1C473KBV 0 047 C3 ECUV1H080CCV 8p C5 ECUV1C104KBV 0 1 C6 ECUV1H102KBV 0 001 C7 ECUV1C104KBV 0 1 C8 ECUV1C473KBV 0 047 C9 ECUV1H102KBV 0 001 C12 ECEA1HKA2R2 2 2 C13 ECUV1H270JCV 27p C14 ECUV1H103KBV 0 01 C15 ECEA1CKA100 10 C16 ECUV1C473KBV 0 047 C17 ECUV1H102KBV 0 001 C18 ECEA1HKA2R2 2 2 C21 ECUV1H223KBV 0 022 S C22 E...

Страница 62: ...V 15p C58 ECUV1H103KBV 0 01 C59 ECUV1H270JCV 27p C60 ECUV1H120JCV 12p C61 ECUV1C104KBV 0 1 C62 ECUV1H470JCV 47p C63 ECEA1CK101 100 S C64 ECUV1H103KBV 0 01 C65 ECUV1H150JCV 15p C66 ECUV1H150JCV 15p C67 ECUV1H103KBV 0 01 C69 ECUV1C104KBV 0 1 C70 ECUV1H200JCV 20p C71 ECUV1H200JCV 20p C72 ECUV1C104KBV 0 1 C73 ECUV1C104KBV 0 1 C74 ECUV1C473KBV 0 047 C75 ECUV1H103KBV 0 01 C76 ECUV1H471JCV 470p C77 ECUV1...

Страница 63: ... modified at any time with the development of new technology Important Safety Notice Components identified by mark have special characteristics important for safety When replacing any of these components use only the manufacturer s specified parts 25 2 Handset SCHEMATIC DIAGRAM Handset 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams and c...

Страница 64: ...28 2 Flow Solder Side View 29 CIRCUIT BOARD Handset 29 1 Component View 29 2 Flow Solder Side View H M KXTC1201BXB KXTC1201BXW KXTC1201BXS KXTC1201BXF 64 ...

Страница 65: ... EN RX DATA TX DATA POWER CONTROL Q4 BATTERY 3 9V RF AMP Q5 T5 TX VCO Q6 T6 DV1 PLL OSC RF FILTER CF1 CF2 ANTENNA LED Q8 LED 1 4 RESET Q11 DIODE BRIDGE D1 CHARGE DTC IC2 PING37 BUZZER Q7 BZ1 KEY BOARD EXP SPEAKER REC1 MIC MIC1 CHARGE TERMINAL DIODE BRIDGE Q9 COM DC 3 9V CONTROL LINE AUDIO SIGNAL KX TC1201BXB BXW BXS BXF BLOCK DIAGRAM HANDSET ...

Страница 66: ...7 STO 23 BATT1 3V6 300mA CNT2P 2 5 1 2 C73 104 C0603 Q11 SOT 23 R77 10K R0603 LED1 GREEN LED SQ LED2 GREEN LED SQ LED3 GREEN LED SQ LED4 GREEN LED SQ L5 12u H L7 5 Q9 SOT 23 IC2 32 31 30 29 27 26 25 24 1 2 3 4 5 6 7 8 9 10 11 28 33 12 13 14 15 16 17 18 19 20 21 22 23 34 35 36 37 38 39 40 41 42 43 44 P13 P12 P11 P10 P50 P67 P66 P65 P73 P72 P71 P70 P07 P06 P05 P04 P03 P02 P01 P51 P14 P00 TEST RESET ...

Страница 67: ...0V EC5 2 5 C54 5P C0603 Q5 SOT 23 EBC R44 27K R0603 DV1 VCD2 C61 104 C0603 R41 120K R0603 R39 220K R0603 R35 47K R0603 R7 NA R0603 R34 220K R0603 C56 1 5P C0603 X1 10 245MHZ XTAL 10A R28 180K R0603 C46 103 C0603 C39 150P C0603 C21 223 C0603 L6 220nH 0805 C1 47UF 10V EC5 2 5 C8 473 C0603 C36 47P C0603 C6 102 C0603 CF2 455E FILTER 2 1 5 2 3 4 C37 10U 16V EC5 2 5 C7 104 C0603 CF1 10 7MHZ FILTER 1 1 2...

Страница 68: ... T P CH change at test mode DC12V or AC adaptor DC Volt Meter Confirmation of VCO voltage TX VCO RX VCO A B Loop SIMULATOR AF OSC AF Volt Meter F TXPOWER TXGND SSG Audio Analyzer RF Volt Meter Frequency Counter D C G FM Deviation Meter E 50Ω ...

Страница 69: ...IC5 KX TC1201BXB BXW BXS BXF CIRCUIT BOARD Component View Base Unit ...

Страница 70: ...XOUT CPU 1 VDD CPU 28 RST CPU 27 RX DATA CPU 10 RX DATA RF IC 23 CHG DET CPU 18 TX DATA CPU 17 CHG LD CPU 26 DET OUT RF IC 27 TX VCO 2nd Mix RF IC 36 IF IN RF IC 32 RX VCO 12V RING TIP GND TXPOWER TXGND TX DATA DV1 KX TC1201BXB BXW BXS BXF CIRCUIT BOARD Flow Solder Side View Base Unit ...

Страница 71: ...IC2 150Ω AF Volt Meter H Oscilloscope G Noise Squelch A Battery Low 47µF AF Generator ...

Страница 72: ...IC1 TXPOWER TXGND 50Ω FM Deviation Meter Audio Analyzer Frequency Counter RF Millivolt Meter I J D E SSG 43 820MHz DC Volt Meter B TX VCO RF Volt Meter F DC Power Supply DC Volt Meter C RX VCO ...

Страница 73: ...IC2 G Noise Squelch A Battery Low VDD CPU 40 CHG DET CPU 37 TX DATA CPU 36 TX DATA DV1 KX TC1201BXB BXW BXS BXF CIRCUIT BOARD Component View Handset ...

Страница 74: ...IC1 TXPOWER 2nd Mix RF IC 36 TXGND TX VCO RX VCO IF IN RF IC 32 V Bat RF IC 33 KX TC1201BXB BXW BXS BXF CIRCUIT BOARD Flow Solder Side View Handset ...

Страница 75: ...ULATOR Q18 Q19 RF AMP Q3 Q4 T5 TX VCO Q5 T6 DV1 PLL OSC RF FILTER CF1 CF2 10 7MHz 455kHz ANTENNA LED Q21 LED1 RESET DTC Q9 CHARGE DTC Q7 EXP 17 14 TEL LINE AMP Q11 IC3 TEL LINE POWER SUPPLY RESET CHARGE CHARGE TERMINAL CHARGE CONTROL Q14 Q17 AC DOWN DTC Q8 DC IN 12V 150mA AC Adaptor COM DC 5V CONTROL LINE AUDIO SIGNAL TEL LINE SW T7 DIODE BRIDGE D2 D3 D4 D5 H S KX TC1201BXB BXW BXS BXF BLOCK DIAGR...

Страница 76: ...603 R141 5K1 R0603 R119 82K R0603 R143 510K R0603 R148 10K R0603 R149 1K8 R0603 D7 2700V MPC28 28 C97 4U7 50V EC5 5 R150 510K R0603 C101 562 C0603 Q19 TO 92 EBC C98 22uF 16V EC5 2 5 R60 22K R0603 R146 15K R0603 D2 D10B R171 1K R0603 R180 56K R0603 D4 D10B D3 D10B R128 20M 1 4W R10 R91 150K R0603 R127 20M 1 4W R10 Q16 SOT 23 R139 20M R0603 R157 30K R0603 R117 10M R0603 C88 104 C0603 Q13 SOT 23 R177...

Страница 77: ...10K R0603 R36 4k7 R0603 R38 100K R0603 R31 47K R0603 C54 1P C0603 R9 NA R0603 X1 10 245MHZ XTAL 10A R30 100K R0603 R25 470K R0603 C37 150P C0603 C44 472 C0603 C24 223 C0603 C1 47UF 10V EC5 2 5 L10 0 68uH L5 R52 2 2M R0603 C11 473 C0603 C35 18P C0603 C7 102 C0603 C38 10U 16V EC5 5 CF2 455E FILTER 2 1 5 2 3 4 C8 104 C0603 C15 2U2 50V EC5 5 R23 100K R0603 C16 27P C0603 C26 10P C0603 R14 R0603 10K CF1...

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