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KX-TS880MXB/KX-TS880MXW

4 Technical Descriptions

4.1.

Block Diagram

1

R

1

C

P

1

T

P

S

D1

C1

MIC (2AP)

1

CI

D601

Q107

Q101, Q103

D101

T

IC601

Handset/Headset

R

SP

MIC

Q108

IC201, Q201

D302

Q110

D301

IC871

IC302

IC831

1AP PCB

D505

IC861

IC651

4.5V

2AP PCB

IC501, Q501, Q502

Batter

y

LCD

KX-TS880 Se

ries :

BLOCK DIA

GRAM

Q422

Q401, Q402, Q403

IC801

MICON

Ringer indication LED

LED1 (Small PCB)

JOHN SMITH

1234567890

RINGER

IC

INUSE / EXHOOK

Line

ON/OFF

Handset Receiving

Amp

EEPR

O

M

128K

TIPIN

Sidetone

Br

idge

RESET

BA

TTLO

W

Reset IC

2.7V

Handset

Sending

Amp

K

e

yboard

Switch

RINGIN

Batter

y

Lo

w

Detector

Regulator

3.3 V

FSK / DTMF Circuit

W

a

k

eup Circuit

WAK

EU

P

SP-Phone

Circuit

Expander

I/O IC

DRIN

G

DTM

F

Dial T

o

ne

Detect

Ex-Hook

Detect

T

ONE_DET

In Use

Detect

PGAIN2

Call W

ait

RING_

DET

D801

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Содержание KX-TS880MXB

Страница 1: ...Unauthorized copying and distribution is a violation of law ORDER NO KM41010286CE Telephone Equipment Model No KX TS880MXB KX TS880MXW Integrated Telephone System B Black Version W White Version for Middle East and Asia Caller ID Compatible ...

Страница 2: ...ms Circuit Board Diagrams Exploded Views and Replacement Parts List It is essential that these critical parts should be replaced with manufacturer s specified parts to prevent shock fire or other hazards Do not modify the original design without permission of manufacturer IMPORTANT INFORMATION ABOUT LEAD FREE PbF SOLDERING If lead free solder was used in the manufacture of this product the printed...

Страница 3: ...ialing Problems 13 8 3 Tone Dialing Problems 14 8 4 No Ringing Sound When Ring Signal is Input 14 9 Disassembly and Assembly Instructions 15 9 1 Disassembly Instructions 15 9 2 Assembly Instruction 17 10 Miscellaneous 21 10 1 IC Block diagram 21 10 2 How to Replace the Flat Package IC 25 10 3 Terminal Guide of the ICs Transistors and Diodes 27 11 Schematic Diagram 28 11 1 For Schematic Diagram 28 ...

Страница 4: ... batteries according to the manufacturer s Instructions 2 2 About Lead Free Solder Pbf Pb free Note In the information below Pb the symbol for lead in the periodic table of elements will refer to standard solder or solder that con tains lead We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin Sn Silver Ag and Copper Cu This model and...

Страница 5: ...ase check the manufac turer s specific instructions for the melting points of their products and any precautions for using their product with other materi als The following lead free PbF solder wire sizes are recommended for service of this product 0 3 mm 0 6 mm and 1 0 mm 2 3 Discarding of P C Board When discarding P C Board delete all personal information such as telephone directory and caller l...

Страница 6: ...city 50 Caller ID memory 50 Directory memory Redial The unit redials the last dialed number Microphone Electret condenser microphone Input Jack Telephone Line Approx 93 mm x 172 mm x 220 mm Dimensions H x W x D Mass weight Approx 550 Operating Enviroment 0 o C 40 o C 20 80 relative air humidity dry g Speaker Unit Unit 5 7cm 2 5 PM magnetic type 32 Handset 3 cm 113 16 PM dynamic type 150 ...

Страница 7: ...S880 Se ries BLOCK DIAGRAM Q422 Q401 Q402 Q403 IC801 MICON Ringer indication LED LED1 Small PCB JOHN SMITH 1234567890 RINGER IC INUSE EXHOOK Line ON OFF Handset Receiving Amp EEPROM 128K TIPIN Sidetone Bridge RESET BATTLOW Reset IC 2 7V Handset Sending Amp Keyboard Switch RINGIN Battery Low Detector Regulator 3 3 V FSK DTMF Circuit Wakeup Circuit WAKEUP SP Phone Circuit Expander I O IC DRING DTMF ...

Страница 8: ...ut Off hook During Off Hook pin 1_3 of SW101 and Q101 is ON providing an off hook condition active DC current flow through the circuit and the following is the signal flow T POS101 L101 D101 Q101 R180 Q107 R119 D103 D101 L102 R Receiving signal flows LINE Q101 R180 C109 C401 R401 L412 L401 Q401 C404 R405 R417 L405 C405 L406 Q402 C408 R413 L409 Q403 C410 VR401 SP handset Transmission signal flows M...

Страница 9: ...onding to the RX sig nal The Attenuator Control provides a control signal to the TX and the RX attenuator to switch the appropriate signals on and off The Attenuator Control also detects the level of the volume control to automatically adjust for changing ambient conditions 1 Transmission signal path The input signal from the microphone is sent through the circuit via the following path MIC Pin 9 ...

Страница 10: ...nto the unit then the voltage is regulated by IC302 and power is supplied to the CPU The set can operate in the circuit voltage diagram Regulator 1AP PCB Reset Circuit 2AP PCB IC302 1 VIN 2 GND 4 NC 5 VOUT 3 STBY C301 Battery 4 5V C302 C304 C303 D301 C864 IC861 1 VOUT 2 VCC 3 NC 4 GND Q862 VCC R863 R862 R833 R864 C862 Stop Reset Vcc IC801 105 3 3 V 3 3 V 3 3 V IC801 81 IC801 50 Reset CPU Reset Sto...

Страница 11: ... telephone exchange is a modem signal which is modulated in an FSK Frequency Shift Keying format Data 0 is a 1200 Hz sine wave and data 1 a 2200 Hz sine wave There are two types of the message for mat which can be received i e the single message format and plural message format The plural message format allows to trans mit the name and data code information in addition to the time and telephone nu...

Страница 12: ...ou can download and refer to the Operating Instructions Instruction book on TSN Server 7 Operating Instructions Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book on TSN Server 7 1 For Service Hint If the current password is forgotten key in 7000 then ENTER at the change password menu and you will be able to change the password After ...

Страница 13: ...one Check IC801 Q107 Q401 No volume handset or speakerphone SYMPTOM CURE Check C551 C552 R551 R552 D551 D554 IC801 Caller ID Function doesn t work Check around IC501 Q501 Q502 Caller ID Function doesn t work DTMF Check IC201 Q201 Can t auto redial Check Q110 Can t hold Check IC601 Can t speak with the speakerphone Can a pulse sound be monitored Check TEL line Jack Do pulses 3 Vp p appear at Pin73 ...

Страница 14: ...C415 L411 L409 and Q403 Check R481 R485 R486 R488 C483 R483 L421 and R430 NO Check IC801 and X1 NO YES Is the voltage across Pin 8 and Pin 2 of Check the telephone line Check C1 R1 R2 D1 and LED1 Does a sine wave of approximately 60V or more appear across Tip and Ring YES NO YES Call the unit from another telephone Does the tone ringer output signal appear across Pin 5 and Pin 2 of IC1 NO NO Check...

Страница 15: ...mbly Instructions 1 Press the catches 1 and rotate the stand in the direction 2 to remove the Stand Note When the Stand is in Low position the screws can be taken out just as it is 2 Remove 5 Screws to remove the Cabinet Cover 3 Remove the Hook Button 1 2 3 Hook Button 2 5 Screws ...

Страница 16: ... Tel Line Jack ove Main P C Board then unhook the 5 Remove the 3 screws to remove the speaker LED P C Board Main P C Board Speaker 3 screws Speaker Operation P C Board 5 Tel Line Jack 6 Remove the 4 screws to remove the Operational P C Board 4 screws 6 ...

Страница 17: ...ffer from the actual product Peel off the arak tape at the front of P C board P C board Arak Tape 1 Peel off the HSC Heat Seal Connector from the P C board in the direction of the arrow Use some IPA alcohol to gently remove glue stain on the P C board P C board LCD 3 2 P C board P C board Platform Platform Crystal Side View Note The platform height must be able to protect crystal at the bottom of ...

Страница 18: ...D 0 2 mm 0 2 mm Horizontal Interval Tolerance Vertical Interval Tolerance OK NG NG NG Horizontal interval tolerance is more than 0 2 mm Vertical interval tolerance is more than 0 2 mm Inclined If interval tolerance between center lines is less than 0 2 mm it is o k 4 ...

Страница 19: ...position in case of 60W soldering iron with 10kg pressure applied 9 times on position A I as shown below Replace back the arak tape 6 Note Make sure copper part of solder jig is not touch the new LCD which will cause burn Rubber of Soldering Iron Part No PQZZ430PRB Tip of Soldering Iron Part No PQZZ430PIR 5 P C board Arak Tape ...

Страница 20: ... to lower cabinet as shown Press the rubber harder to ensure rubber attach firmly with headset cover sheet Separator 90 Cover Sheet Tab Install the headset cover sheet Before install bend the tab 90 towards adhesive side Peel off the separator from the headset cover 2 3 4 1 2 Cover Sheet 3 4 Cover Rubber 2 ...

Страница 21: ... Sleep INT Control OTPROM 36k x 16 Time Base Gen 8 bit timer x 1 16 bit timer x 1 32768Hz XTAL OSC RC OSC XTAL OSC System Clock Gen Max 16 x 56 LCD Driver PGA Pre Amp 10 bit SARADC Signal Channel 8 bit DAC Output 32 IO Ports 31768Hz ROSC IOA 7 0 IOB 7 0 IOC 7 0 IOD 7 0 DTMFO DAC2 PGAIN PGAIN2 GS TIPIN RINGIN RESET COM 15 0 SEG 55 0 XI XO X32I X32O ...

Страница 22: ...er supply pin for the lC It is connected to the pin of the diode bridge This is used to change the operation initiation current when connected to the GND pin This is connected to the time constant that determines the oscillation frequency on the warble This pin has the lowest potential on the lC It is connected to the pin of the diode bridge This is connected to the time constant that determines t...

Страница 23: ...al because output circuit of SDA uses Open Drain 3 A0 A1 A2 A0 A1 and A2 terminal is not used 4 WP WP terminal controls writing action It is possible to do only reading action when high level input and it is possible to do read ing and writing action when low level input Dout ACK Open drain Control logic Sense amps Shift resistor Word address buffers Column decorders Start Stop logic Stage counter...

Страница 24: ... line sig nals The required V voltage is 6 0 to 11 V 7 5 V nominal at 7 0 mA 17 AGC A capacitor from this pin to VB stabilizes the speaker amp gain control loop and additionally controls the attack and decay time of this circuit The gain control loop limits the speaker amp input to prevent clipping at SKO The internal resistance at the AGC pin is nominally 110 kohms 18 CS Digital chip select input...

Страница 25: ...he PCB foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder Pbf Pb free P 4 10 2 2 How to Remove the IC 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts into the ...

Страница 26: ...the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 10 2 4 How to Remove a Solder Bridge 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below ...

Страница 27: ...B1GBJCFJ0003 B1GBJCJJ0003 UNR5113J0L 2SD1819KSL 2SB1218KSL 8 5 4 1 C1CB00002903 C0ABBA000025 PQVINJU7014R PNWITS880MXH MA111 MA728 Cathode Anode B1AAKD000013 1 3 5 4 PQVIPS3238NT C0DBZGC00067 1 3 2 4 PQVIPS3327UT C2CBYY000893 97 128 1 32 33 64 65 96 C1CB00001673 14 1 28 15 E C B Cathode Anode MA4051 Cathode Anode B0JCME000038 1 8 16 9 C0ZBZ0001747 E C B B1ACGP000008 Cathode Anode B0AACK000011 ...

Страница 28: ...W 11 Schematic Diagram 11 1 For Schematic Diagram 1 DC voltage measurements are takens with electronic voltmeter from negative terminal 2 This schematic diagram may be modified at any time with the development of new technology ...

Страница 29: ...29 KX TS880MXB KX TS880MXW Memo ...

Страница 30: ...2 1000p C600 NC R116 270 R404 33 R112 R115 15k R401 1k R411 2 2k R185 NC R119 15 R416 0 R129 NC R606 30k R607 68k R605 2 2M R608 4 7k R609 2 7M R603 3 3k R604 4 7k R600 3 3k R601 10K R610 100k R611 18k R612 1 8k R613 100k R614 47k R615 10k R616 4 7k R617 2 2k R491 120K R483 15Ok R484 NC R425 2 7M R422 47k R186 NC R901 10k R656 R657 NC R658 NC R660 NC R659 NC R5 47k R117 6 8k R118 56k R402 2 2M R40...

Страница 31: ...500p C523 1200 p C503 1200 p C551 0 1 u C552 0 1u C553 330p C554 1000p C116 NC C1 1u 250 C200 NC C300 NC C100 NC R106 390K R180 0 R182 1 8k R181 NC R183 NC R184 NC R109 NC R114 NC R102 NC R105 180k R101 NC R131 NC R121 3 3M R204 390k R205 5 6k R203 10k R207 10k R206 18k R202 120k R208 4 7k R622 10k R201 10k R654 NC R655 NC R3 27k R4 330k R6 NC R522 180k R502 180k R506 1 2k R508 3 3M R507 330k R509...

Страница 32: ...3 RINGIN 94 NC16 95 NC17 96 NC18 97 NC19 98 NC20 99 NC21 100 GS 101 PGAIN 102 PGAIN2 103 VR2 104 AVDD 105 LVDD 2 106 COM0 107 COM1 108 COM2 109 COM3 110 COM4 111 COM5 112 COM6 113 COM7 114 COM8 115 COM9 116 COM10 117 COM11 118 COM12 119 COM13 120 COM14 121 COM15 122 SEG0 123 SEG1 124 SEG2 125 SEG3 126 NC22 127 NC23 128 NC24 1 NC1 2 NC2 3 NC3 4 SEG4 5 SEG5 6 SEG6 M9 1 2 M10 1 2 C885 47p C884 47p C8...

Страница 33: ...864 100k R861 100k R871 1M R873 1M R872 4 7M R874 4 7M TP14 BATTP TP18 INUSE TP26 TXMUTE TP13 HOOK TP17 TONE TP19 RXMUTE TP15 ACKMUTE TP27 WAKEUP TP20 CIDW TP30 RING TP29 TIP TP24 MUSIC DTMF TP23 BEEP DRING TP16 PULSE TP22 MIC TP21 MIC TP12 VSS TP28 VDD PCB TP11 SDA TP25 SCL TP862 D861 IC831 1 A0 2 A1 3 A2 4 VSS 5 SDA 6 SCL 7 WP 8 VCC Battery Out Reset Circuit EEPROM CN2 CN1 Battery Low 1 2 3 4 5 ...

Страница 34: ...34 KX TS880MXB KX TS880MXW Memo ...

Страница 35: ...05 JP10 Q107 R126 C1 J49 C651 J4 J8 J6 JP7 J22 JP5 C652 C655 D655 C304 J2 J10 J16 D106 C114 D107 C106 D103 R119 C111 C110 D104 J21 J5 R180 SW101 JP4 VR481 VR401 VR402 R441 J47 JJ402 C421 C430 J19 JJ401 C601 C621 C617 C619 D602 C618 JP303 JP304 D604 J26 J36 J15 J44 J3 J37 J14 CN1 CN2 J46 J45 J27 J23 J35 J38 J20 J1 J11 J13 D653 R659 C301 J7 J39 J24 D301 D303 J48 JP301 JP302 JP310 C411 JP11 C410 J17 ...

Страница 36: ...04 L401 C403 L403 Q404 R402 C402 L425 R403 L402 Q401 C416 C404 R483 R484 L410 C409 C181 R415 R413 L411 L409 Q402 C417 R406 L407 R185 R489 Q481 C486 C901 R901 R488 R481 C481 C485 R487 C418 Q403 R486 C482 R903 R904 R490 R491 C408 C406 C415 Q482 R405 R411R417 R412 L408 C407 L406 C405 R410 L405 L404 D654 C302 R409 R407 R621 R619 R408 R620 Q408 Q2 C9 J100 9 8 1 16 R811 D801 R812 Q603 R622 Q601 R613 TP6...

Страница 37: ...7 KX TS880MXB KX TS880MXW 12 2 Circuit Board Operation 12 2 1 Component View X1 CN2 CN1 MIC MIC MIC PNLB1815Z PbF A KX TS880 CIRCUIT BOARD Base Unit_Operation Component View WHITE RED CN3 PNLB1815Z PbF A ...

Страница 38: ... 3 6 STB3 STB2 TP88 STB1 M7 M8 M9 M10 TP87 VOL LEFT RIGHT VOL C887 MUTE FLASH TP11 TP12 TP13 TP15 TP14 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 TP26 TP27 TP28 TP29 TP30 0 7 8 9 4 5 TP84 32 33 64 65 96 97 128 1 R833 C885 C884 C883 C882 C881 C855 R858 R860 C858 C857 C856 R857 R876 R859 R802 C804 C805 C809 C808 C812 C807 C806 D885 D886 D892 D891 D890 D889 D888 D887 TP855 STB0 M1 M2 M3 M4 M5 ...

Страница 39: ...0MXB KX TS880MXW 13 Exploded View and Replacement Parts List 13 1 Cabinet and Electrical Parts PCB2 E1 E2 PCB1 4 3 5 1 2 13 14 17 20 21 20 1 17 1 18 19 15 16 9 8 7 10 6 11 12 C MIC1 Ref No Figure C A B 22 23 A B ...

Страница 40: ...40 KX TS880MXB KX TS880MXW 13 2 Accessories ...

Страница 41: ...H BUTTON HOOK for KX TS880MXW ABS HB 8 PNHR1243Z COVER LED LENS PS HB 9 PNBX1078Z2 PUSH BUTTON 12 KEYS for KX TS880MXB ABS HB 9 PNBX1078Z1 PUSH BUTTON 12 KEYS for KX TS880MXW ABS HB 10 PNBC1323Z2 PUSH BUTTON NAVI KEY for KX TS880MXB PS HB 10 PNBC1323Z1 PUSH BUTTON NAVI KEY for KX TS880MXW PS HB 11 PNBX1098Z2 PUSH BUTTON LOWER KEY for KX TS880MXB ABS HB 11 PNBX1098Z1 PUSH BUTTON LOWER KEY for KX TS...

Страница 42: ...J3GEYJ684 680k S R108 ERJ3GEYJ563 56k S R112 ERJ3GEY0R00 0 S R113 ERJ3GEYJ102 1k S R115 ERJ3GEYJ153 15k S R116 ERJ3GEYJ271 270 S Safety Ref No Part No Part Name Description Remarks R117 ERJ3GEYJ682 6 8k S R118 ERJ3GEYJ563 56k S R119 ERDS1TJ150 15 S R120 PQ4R10XJ475 4 7M S R121 PQ4R10XJ335 3 3M S R122 ERJ3GEYJ105 1M S R126 ERDS2TJ473 47k R127 ERJ3GEYJ682 6 8k S R128 ERJ3GEYJ103 10k S R130 ERJ3GEYJ1...

Страница 43: ...M102 0 001 S C401 ECUV1C104KBV 0 1 C403 ECUV1H103KBV 0 01 C404 ECUV1C104KBV 0 1 C405 ECUV1C104KBV 0 1 C406 ECUV1H391JCV 390p Safety Ref No Part No Part Name Description Remarks C408 ECUV1H562KBV 5600p C410 ECEA1CKA100 10 C412 ECUV1C104KBV 0 1 C413 ECUV1C104KBV 0 1 C414 ECUV1C224KBV 0 22 C415 ECUV1H103KBV 0 01 C422 ECUV1H222KBV 2200p C424 ECUV1H182KBV 0 0018 C425 ECUV1C104KBV 0 1 C426 ECUV1H101JCV ...

Страница 44: ...YJ104 100k S R871 ERJ3GEYJ105 1M S R872 ERJ3GEYJ475 4 7M S R873 ERJ3GEYJ105 1M S R874 ERJ3GEYJ475 4 7M S R875 ERJ3GEY0R00 0 S JP802 ERJ6GEY0R00 0 S CAPACITORS C801 ECUV1H101JCV 100p C802 ECUV1H220JCV 22p C803 ECUV1H150JCV 15p C804 ECUV1C104KBV 0 1 C805 F2G0J1010014 100 C806 ECUV1C104KBV 0 1 C807 PQCUV0J106KB 10 C808 PQCUV0J106KB 10 C809 PQCUV0J106KB 10 C810 ECUV1C104KBV 0 1 C812 ECUV1C104KBV 0 1 C...

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