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ORDER NO. KM40107835C3

Telephone Equipment

KX-T2371MXW

Integrated Telephone System

White Version

(for Asia, Middle Near East and Other areas)

SPECIFICATIONS

Содержание KX-T2371MXW

Страница 1: ...ORDER NO KM40107835C3 Telephone Equipment KX T2371MXW Integrated Telephone System White Version for Asia Middle Near East and Other areas SPECIFICATIONS 1 ...

Страница 2: ...1 LOCATION OF CONTROLS 2 CONNECTION 2 ...

Страница 3: ...3 OPERATIONS 3 1 Making Calls 3 ...

Страница 4: ...3 2 Answering Calls 4 SPECIAL FEATURES 4 1 For Call Waiting Service Users 4 ...

Страница 5: ...4 2 Temporary Tone Dialing For Rotary Service Users 4 3 How to Use the PAUSE Button For Analog PBX Line Long Distance Service Users 5 DISASSEMBLY INSTRUCTIONS 5 ...

Страница 6: ...etween 30 W to 40 W Temperature of Copper Rod 662 50 F 350 10 C An expert may handle between 60 W to 80 W iron but beginner might damage foil by overheating Flux HI115 Specific gravity 0 863 Original flux will be replaced daily 6 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 ...

Страница 7: ...the soldering iron 6 3 Modification Procedure of Bridge 1 Re solder slightly on bridged portion 2 Remove remained solder along pins employing soldering iron as shown in below figure 7 CPU DATA 7 ...

Страница 8: ...8 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 9 IC BLOCK DIAGRAM 8 ...

Страница 9: ...PTION JUMPER TABLE 10 1 Dialing Mode SW IC1 SW Position Pin 14 LOW Tone dialing Pin 14 High Pulse dialing 10 pps 10 2 Flash Key Flash time Option 98 ms J1 305 ms J2 600 ms J3 default 11 BLOCK DIAGRAM IC2 9 ...

Страница 10: ...LER Pin 10 of IC1 is LOW Q2 is OFF and Q1 is OFF break If port Pin 10 is HIGH Q2 is ON Q1 is ON make 12 2 Tone Dial Circuit Function The tone dialing circuit consists of a DTMF Dual Tone Multi Frequency signal generator outputted from Pin 11 of the IC1 for tone dialing and also a circuit for outputting the signal to line The DTMF circuit identifies inputs from the 12 keys 1 2 3 4 5 6 7 8 9 0 and b...

Страница 11: ...o output the DTMF signal from the handset as a monitor tone when a dial key is pressed Pin 11 of IC1 R48 C33 Q7 C18 Handset Speaker The signal combination and frequency corresponding to each dial key is shown on next page Tone Frequencies High Group Low Group H1 H2 H3 L1 1 2 3 L2 4 5 6 L3 7 8 9 L4 0 Low Group Frequencies High Group Frequencies L1 697 Hz 1 5 H1 1209 Hz 1 5 L2 770 Hz 1 5 H2 1336 Hz ...

Страница 12: ...line When it is an OFF HOOK status Tel Line D1 Q1 R14 pin 17 of IC1 to become the power supply for IC1 speech network The voltage from the line is turned into a constant voltage by D6 and then supplied to the IC1 and sending and receiving circuit of the set At ON HOOK status the voltage from the line via R40 R5 is turned into a constant voltage by D8 and then become power supply for IC1 Pin17 and ...

Страница 13: ...4 and Q6 is amplifier for the Receiving signal 13 TROUBLE SHOOTING GUIDE 13 1 Service Hints SYMPTOM CURE No Tone Dialing Check IC1 Q3 Q9 R37 R38 R34 and R35 Dead Check IC1 Q2 and Q1 Rings no dial tone no pulse or tone dial Check Q1 Q2 D1 No rings Check C1 R1 R3 and IC2 No pulse dial Check Q1 and Q2 13 2 Pulse Dialing Problems 13 ...

Страница 14: ...13 3 Problems With the Handset 14 ...

Страница 15: ...13 4 Tone Dialing Problems 13 5 Problems With Ringer Check R1 C1 IC2 R3 C37 R2 C3 C2 13 6 How to Check the IC1 Scanning to the key 14 CABINET AND ELECTRICAL PARTS LOCATION 15 ...

Страница 16: ...16 ...

Страница 17: ...TL indicates that the Retention Time is limited for this item After the discontinuation of this assembly in production the item will continue to be available for a specific period of time The retention period of availability depends on the type of assembly and the laws governing parts and product retention At the end of this period the assembly will no 17 ...

Страница 18: ...ied All resistors are in ohms K 1000 M 1000k All capacitors are in MICRO FARADS F P F Type Wattage of Resistor 16 1 Base Unit 16 1 1 CABINET AND ELECTRICAL PARTS Ref No Part No Part Name Description Remarks 1 PQKM10508Z1 UPPER CABINET S 2 PQYF10527Z1 LOWER CABINET S 3 PQBH10036Z1 HOOK BUTTON S 4 PQBX10350Z1 21 KEY BUTTON S 5 L0DDFD000002 RINGER 6 PQGD10163Z TEL CARD 7 PQGV10040Z TEL CARD COVER 8 P...

Страница 19: ...19 ...

Страница 20: ...DES D1 PQVDS1YB60F1 DIODE SI S D2 PQVDS5688G DIODE SI S D5 MA4180 DIODE SI D6 MA4039 DIODE SI D7 1SS119 DIODE SI S D8 MA4056 DIODE SI D9 1SS119 DIODE SI S D10 1SS119 DIODE SI S D11 1SS119 DIODE SI S LED LED1 PQVDSML210LT LED OTHERS X1 PQVBZTA3 58M CRYSTAL OSCILLATOR JJ101 PQJJ1T020Z JACK SOCKET JJ102 PQJJ1T020Z JACK SOCKET JJ103 PQJJ1T030Z JACK SOCKET HANDSET SA1 PQVDDSS301L SUGAR ABSORBER S SW1 P...

Страница 21: ... 220k R33 ERJ3GEYJ103 10k R34 ERJ3GEYJ185 1 8M R35 ERDS2TJ182 1 8k R36 ERJ3GEYJ121 120 R37 ERJ3GEYJ563 56k R38 ERJ3GEYJ103 10k R40 ERDS2TJ685 6 8M R41 ERJ3GEYJ183 18k R42 ERJ3GEYJ153 15k R48 ERJ3GEYJ474 470k R49 ERJ3GEYJ564 560k R50 ERJ3GEYJ105 1M R62 ERJ3GEYJ154 150k R65 ERJ3GEYJ333 33k R66 ERJ3GEYJ474 470k R70 ERDS2TJ472 4 7k R71 ERDS2TJ472 4 7k R72 ERJ3GEYJ474 470k R74 ERJ3GEYJ474 470k R80 ERJ3...

Страница 22: ...29 ECUV1H222KBV 0 0022 C30 ECUV1H152KBV 0 0015 C31 ECUV1C104KBV 0 1 C33 ECUV1H103KBV 0 01 C36 ECUV1H102KBV 0 001 C37 ECEA1HKS010 1 S C38 ECUV1H103KBV 0 01 C40 ECUV1H102KBV 0 001 C41 ECUV1H102KBV 0 001 C42 ECUV1A224KBV 0 22 C45 ECUV1H471JCV 470p S C46 ECUV1H471JCV 470p S C47 ECUV1H471JCV 470p S C48 ECUV1H471JCV 470p S C49 ECUV1H471JCV 470p S C61 ECUV1A224KBV 0 22 C63 ECUV1C104KBV 0 1 16 2 ACCESSORI...

Страница 23: ...chematic diagram may be 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 18 SCHEMATIC DIAGRAM 19 CIRCUIT BOARD 19 1 Component View 19 2 Flow Solder Side View H M KXT2371MXW Printed in Japan 23 ...

Страница 24: ...3 TP2 SW12 R10 C10 C34 C41 C63 C62 R73 R72 R183 R182 R181 R8 C64 R74 C6 R7 C60 R3 R2 C3 R4 R59 C30 C31 R49 R187 R48 R62 R66 C38 C33 R37 C24 R36 C22 C21 R33 R186 R27 C185 C43 C42 R32 R24 R80 R188 D27 R23 R16 R15 R61 C14 R18 R22 R21 R20 C36 C20 C19 R34 C28 C27 E B C Q182 E B C Q5 E B C Q18 E B C Q16 E B C Q19 E B C B E C Q9 B E C Q8 B E C Q7 B E C Q6 B E C Q4 B E C Q12 B E C Q13 M3 PROGRAM 3 2 1 PAU...

Страница 25: ...21 D2 D25 D9 L1 X1 IC1 1 11 22 12 J31 RINGER RED BLACK SW1 D5 D8 D23 D26 J5 BREAK 60 BREAK 66 J7 J41 D7 R44 J39 J38 J9 J30 J40 R60 J6 R54 R184 R111 R6 J15 J37 R53 SA1 L2 4 5 8 E C B E C B Q181 E C B Q17 E C B Q22 E C B Q15 E C B Q1 E C B Q2 E C B IC2 1 JJ102 POS1 H S_JACK Y R B G VR3 VR1 VR2 C26 C9 C182 C37 C18 C50 C181 C8 C187 C4 C1 D6 C5 C186 R40 C2 C11 R1 ...

Страница 26: ...4 0 02 3 11 0 63 0 00 0 03 0 32 Q5 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 Q6 0 17 3 14 0 75 Q7 2 66 4 53 3 28 0 00 0 03 0 43 Q8 0 00 0 00 0 00 0 00 0 00 0 00 Q9 0 14 2 41 0 77 0 00 0 03 0 38 Q10 4 10 0 00 4 05 1 38 0 00 1 35 VOLTAGE CHECK IC1 MODE PIN NO 1 0 00 4 10 2 0 00 4 10 3 0 00 4 10 4 0 00 4 10 5 0 00 0 00 6 0 00 0 00 7 4 10 0 00 8 4 47 1 47 9 0 00 1 45 10 0 64 1 43 11 0 00 0 35 12 0 ...

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