Page 1 ORDER NO. KM40101757C7 Telephone Equipment KX-TG2583B / KX-TG2583S / KX-TG2583W 2.4GHz Cordless Answering System Black Version Silver Version Pearl White Version (for U.S.A.) (for Latin America) SPECIFICATIONS...
Page 4 1.2. Handset 2. DISPLAYS...
Page 5 3. SETTINGS 3.1. Connections...
Page 6: Adding Another Phone
3.2. Adding Another Phone...
Page 7: Battery Charge
3.3. Battery Charge 3.3.1. Battery strength 3.3.2. Recharge...
Page 8: Selecting The Dialing Mode
3.3.3. Battery information 3.4. Selecting the Dialing Mode...
Page 9: Selecting The Line Mode
3.5. Selecting the Line Mode...
Page 10: Preparing The Answering System
4. PREPARING THE ANSWERING SYSTEM 4.1. Day and Time Adjustment...
Page 12: Operation
5. OPERATION 5.1. Making Calls 5.1.1. With the Handset...
Page 14 5.1.2. With the Base Unit (Digital Duplex Sperkerphone)
Page 16: Answering Calls
5.2. Answering Calls...
Page 17: Flash Button
5.3. Flash Button...
Page 18 5.4. Listening to Message...
Page 20: Caller Id Service
5.5. Caller ID Service This unit is compatible with a Caller ID service offered by your telephone company. If you subscribe to a Caller ID service, the calling party’s information will be shown on the handset and base unit displays after the first ring. The unit can record information of up to 50 different callers in the Caller List.
Page 21 numbers from the Caller List into the directory. If you subscribe to both Caller ID and Call Waiting services, when a second call is received while talking, the new caller’s name and phone number will be displayed. 5.5.1. How caller information is displayed when a call is received 5.5.2.
Page 22 5.5.3. Viewing the caller list...
Page 24 5.5.4. Calling back from the caller list 5.5.5. Editing the caller’s phone number 5.5.5.1. With the handset...
Page 25 5.5.5.2. With the base unit...
Page 26 5.5.6. Storing caller list information in the directory...
Page 27 5.5.7. Erasing caller list information...
Page 29 6. DISASSEMBLY INSTRUCTIONS...
Page 31 Ref. Procedure Shown in To remove -. Remove -. Fig -. Lower Cabinet Screws (2.6 × 14)..(A) × 5 1, 2 Main P.C. Board Remove the Main P.C. Board Remove the Flat Cable 1 ~ 3 Operation P.C. Board Screws (2.6 × 8)..(B) × 6 Battery Cover Remove the Battery Cover 4, 5...
Page 32 7.2. Asseembly the LCD to P.C. Board (Handset)
Page 33 7.3. How To Check Splash Resistance...
Page 34 7.4. Replace the RF unit For HS Follow this procedure below when replacing HS RF unit. 1. Remove speaker cables of LCD unit on HS main board. And remove LCD unit. 2. Remove solder on six legs of RF unit. 3.
Page 35: Troubleshooting Guide
6. Solder six RF legs. 7. Put LCD unit and solder speaker wire. NOTE: Speaker wire has polarity. (Component View) (Solder Side View) 8. TROUBLESHOOTING GUIDE...
Page 36: Check Power
8.1. Check Power...
Page 37: Error Message Table
8.2. Error Message Table NOTE: Flash memory is IC571. DSP is IC501.
Page 38 8.3. Check Record 8.4. Check Playback 8.5. Check SP-phone Voice Transmission...
Page 39 8.6. Check SP-phone Voice Reception 8.7. Check Battery Charge...
Page 40 NOTE: - CP/CM: Refer to Base Unit Reference Drawing. - TP-BL: Refer to Handset Reference Drawing. 8.8. Check Link...
Page 41 8.9. Check the RF Unit 8.9.1. Finding out the Defective Unit Prepare HS Test Fixture and BU Test Fixture. Place the HS Test Fixture on the cradle of the base unit for checking, then confirm that they are linked. Place the handset for checking on the cradle of the BU Test Fixture, then confirm that they are linked.
Page 42: Normal Mode
Normal mode. This test simulates the handset is at very large distance from the base unit and the TX signal from handset to base is very small. Procedure: First place handset Test Fixture on base under test to charge (exchange security code);...
Page 43 Switch to control normal mode and test modes on this BU Test Fixture. Test Fixture has two mode. 1. TEST mode: (RF Power Low mode) The switch of Test Fixture changed with TEST mode side. Then Test Fixture is in TEST mode. 2.
Page 44 8.9.3.1. Base Unit Test Fixture Reference Drawing As for TEST fixture, only the switch as shown in a figure is connected to the mass-production set. Note: SW : ON (Handset : Nomal) 10m more : No Link 5m less : Link 8.9.4.
Page 45 (*1) See RF Unit Reference Drawing (Base Unit and Handset). (*2) Base unit RF only, refer to Check Table for RF Block. 8.9.5. Check Table for RF Block...
Page 46 No. Item BU (Base unit) (*1) HS (Handset) (*1) Link confirmation 1. The switch of “HS Test Fixture” is 1. The switch of “BU TEST Fixture” Normal changed to normal mode side, and is changed to “Normal mode side”, charge of "HS Test Fixture". is charge of "BU Test Fixture".
Page 47 (*1) BU: Base Unit, HS: Handset. (*2) See Base Unit Reference Drawing. (*3) See Handset Reference Drawing. (*4) See RF Unit Reference Drawing (Base Unit and Handset). (*5) See TEST MODE AND ADJUSTMENT. 8.9.6. RF-DSP Interface Signal Wave Form...
Page 48 8.10. Check Handset Voice Transmission...
Page 49 8.11. Check Handset Voice Reception...
Page 50 8.12. Check Call ID...
Page 51: Test Mode And Adjustment
9. TEST MODE AND ADJUSTMENT 9.1. Test Mode Flow Chart for Base Unit...
Page 52: Key Check Mode
(*1) See Base Unit Reference Drawing. (*2) Special check method for Base Unit individually. 9.2. Key Check Mode (*1) See Base Unit Reference Drawing. 9.3. Test Mode Flow Chart for Handset...
Page 53 (*1) See Handset Reference Drawing. (*2) Special check method for Handset individually. 9.4. Adjustment Battery Low Detector Voltage After replacing handset’s DSP (IC201) and EEPROM, Re-writing Battery Low voltage to EEPROM is required. Following Test mode flow chart (Refer to Test Mode Flow Chart for Handset), DC power supply and Battery connector are required in this adjustment.
Page 54 NOTE: Refer to Handset Reference Drawing for connection of DC power source and voltmeter. 9.5. Base Unit Reference Drawing 9.6. Handset Reference Drawing 9.7. Frequency Table 10. DESCRIPTION 10.1. Frequency The frequency range of 2.4015 GHz ~ 2.4705 GHz is used. Transmitting and receiving channel between base unit and handset is same frequency.
Page 55: Spread Spectrum
10.2.1. TDD Frame Format The TDD frame is 2mS in length, and is composed of two symmetrical 960 S TX and RX subframes. Each subframe contains 96 bits of 10 S duration, with 40 S guard times between both TX and RX subframes. Each subframe consists of the following five fields: - A 12-bit Preamble field - An 8-bit Data Channel field...
Page 56 10.4. Signal Flowchart in the Whole System Reception CN101 of the base unit is connected to the TEL line, and the signal is input through the bridge diode D101. While talking the relay (Q121) is turned ON and amplified at the amplifiers Q461, then led to DSP (IC501).
Page 57 10.5. EXPLANATION OF DSP DATA COMMUNICATION 10.5.1. Calling...
Page 58 10.5.2. To Terminate Communication 10.5.3. Ringing 10.5.4. ID CHANGE...
Page 59: Terminal Guide Of Ic's, Transistors And Diodes
11. TERMINAL GUIDE OF IC'S, TRANSISTORS AND DIODES 11.1. Base Unit 11.2. Handset...
Page 60 12. BLOCK DIAGRAM (Base Unit) 13. CIRCUIT OPERATION (Base Unit) 13.1. SP-PHONE RX Circuit Circuit Operation: Telephone Line (T/R) R139/R140 C139 C449 R448 C441 Q461 C442 R442 pin 38 of IC501 pins 32 and 33 of IC501 Speaker 13.2. SP-PHONE TX Circuit Circuit Operation: C474 C475...
Page 61: Auto Disconnect Circuit
13.3. Auto Disconnect Circuit Function: This circuit is used to detect the fact that another telephone connected to the same line is OFF- HOOK while the unit is in a receiving status or OGM transmitting status. Circuit Operation: The voltage pin 40 of IC501 is monitored. If a parallel-connected telephone is put into an OFF HOOK status, the presence/absence of a parallel connection is determined when the voltage changes by 0.2V or more.
Page 62: Power Supply Circuit
13.4. Power Supply Circuit Function: Power from the AC adaptor passes through a regulating consisting of IC301. Circuit Operation: IC301 is a regulated power supply. The voltage at point A is regulated to 4.5 V by IC301. The voltage at point B is dropped by D509 to 4.1 V. The voltage at point C is dropped by D521 to 3.8 V.
Page 63 13.7. Line Receiving Signal The audio signal from line passes through Q131 and Q461 to pin38 and 39 of IC501(DSP). IC501 modulates this input audio signal to output to the RF unit.
Page 64 13.8. Calling Line Identification Circuit (Caller ID) Function: The caller ID is a chargeable ID which the user of a telephone circuit obtains by entering a contract with the telephone company to utilize a caller ID service. For this reason, the operation of this circuit assumes that a caller ID service contract has been entered for the circuit being used.
Page 65 and plural message format. The plural message format allows to transmit the name and data code information in addition to the time and telephone number data. Call Waiting Calling Identity Delivery on Call Waiting (CIDCW) is a CLASS service that allows a customer, while off-hook on an existing call, to receive information about a calling party on a waited call.
Page 66 13.9. Parallel Connection Detection Circuit Function: In order to disable call waiting and stutter tone functions when using telephones connected in parallel, it is necessary to have a circuit that judges whether a telephone connected in parallel is in use or not. This circuit determines whether the telephone connected in parallel is on hook or off hook by detecting changes in the T/R voltage.
Page 67: Voice Message Recording
13.10. DSP (Digital Speech/Signal Processing) Circuit General Description: (IC501, IC571) is a digital speakerphone/speech/signal processing system that implements all the functions of speech compression, record and playback, and memory management required in a digital telephone answering machine. The DSP system is fully controlled by a host processor IC501. The host processor provides activation and control of all that functions, such as speech Recording, Playback, Tone detecting and Line monitoring.
Page 68 - DTMF Detection The DTMF detection is implemented by the DSP system in software. The DTMF detection is performed during Record, Playback, and Line Monitoring modes of operation. - Synthesized Voice The DSP implements synthesized Voice, utilizing the built in speech detector and an FLASH MEMORY (IC571), which stored the vocabulary.
Page 69 13.13. ICM Recording Circuit Circuit Operation: Telephone Line Q131 C463 R448 C442 R464 C441 pin 38 and 39 of IC501. 13.14. ICM Play Circuit...
Page 70 Circuit Operation: pins 32 and 33 of IC501 Speaker. 13.15. Telephone Line Interface Circuit Operation: - ANSWER In the idle mode, Q121 is open to cut the DC loop current and decrease the ring load. When ring voltage appears at the Tip (T) and Ring (R) leads (When the telephone rings), the AC ring voltage is transferred as follows: L101...
Page 71: Intercom Mode
telephone company requirements. 13.16. Intercom Mode 1. When the base unit LOCATOR/INTERCOM button is pressed, a call monitor signal (intercom sound) is output from pins 32 and 33 of IC501. Thus a monitor tone is heard from the speaker. 2. “Paging” is displayed on LCD. This status is called “Intercom stand-by”.
Page 72: Antenna Diversity
13.18. Antenna Diversity Antenna Diversity improve conversation quality. This means to reduce some noise during conversation. RF unit send LQA (Link Quality Alarm) signal to IC751 when increase Error Bit’s. Then IC751 control RF switch IC761 to switch another Antenna. Antenna selection control by IC501 is available only in test mode.
Page 73: Ringer Circuit
the voltage of CHARGE1 and CHARGE2 terminals, then the handset makes ID code setting (*) with the base unit. 15.3. Ringer Circuit If the ringer volume is set to low and an alarm tone is output from 39 pin, IC201 DSP and input to Q209.
Page 74: Cpu Data (Base Unit)
15.5. Reception Signal Circuit The received signal from the base unit is output from pins 33 (SPN) and 32 (SPP) of IC201 (DSP) as the voice signal. SPN is the inverse output of SPP, and the speaker is driven by SPN and SPP. CN203 is the headphone jack.
Page 75: Cpu Data (Handset)
17. CPU DATA (Handset) 17.1. IC201...
Page 76: Explanation Of Ic Terminals
18. EXPLANATION OF IC TERMINALS (RF Unit, Base Unit) 18.1. IC101...
Page 78: How To Replace Flat Package Ic
19. HOW TO REPLACE FLAT PACKAGE IC 19.1. Preparation - SOLDER...
Page 79 Sparkle Solder 115A-1, 115B-1 or Almit Solder KR-19, KR-19RMA - Soldering iron Recommended power consumption will be between 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...
Page 80: Cabinet And Electrical Parts (Base Unit)
19.3. 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. 20. CABINET AND ELECTRICAL PARTS (Base Unit)
Page 82: Cabinet And Electrical Parts (Handset)
21. CABINET AND ELECTRICAL PARTS (Handset)
Page 83: Accessories And Packing Materials
22. ACCESSORIES AND PACKING MATERIALS 23. REPLACEMENT PARTS LIST This replacement parts list are U.S.A. version only. Note: 1. RTL (Retention Time Limited) The marking (RTL) 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.
Page 84 4. RESISTORS & CAPACITORS Unless otherwise specified; All resistors are in ohms ( ) K=1000 , M=1000k All capacitors are in MICRO FARADS ( F) P= *Type & Wattage of Resistor 23.1. Base Unit 23.1.1. CABINET AND ELECTRICAL PARTS...
Page 85 LCD HOLDER PQHR10849Z SPEAKER HOLDER PQHS10475Z LCD TAPE PQHS10476Z DOUBLE SIDE TAPE PQZHTG2583BH CHARGE CASE ASS'Y (for KX-TG2583B) (for KX-TG2583S) PQZHTG2583WH CHARGE CASE ASS'Y (for KX-TG2583W) PQKE10333Z1 HOOK LEVER (for KX-TG2583B) (for KX-TG2583S) PQKE10333Z2 HOOK LEVER (for KX-TG2583W) PQYM10112Z1 UPPER CABINET (for KX-TG2583B)
Page 86 Ref. No. Part No. Part Name & Description Remarks PCB1 PQWP1G2583BH MAIN P.C.BOARD ASS'Y (RTL) (ICS) IC301 PQVIXCF4502P IC331 PQVIPS3432UT IC501 C2HBBJ000006 IC571 PQWITG2583BH IC IC741 PQVITC7S08FU IC751 PQVITC7W74U IC761 PQVISPM3204T (TRANSISTORS) Q101 2SD1819A TRANSISTOR(SI) Q115 2SD1819A TRANSISTOR(SI) Q121 2SA1625 TRANSISTOR(SI) Q122 PQVT2N6517CA TRANSISTOR(SI)
Page 87 Ref. No. Part No. Part Name & Description Remarks D521 PQVDHRU0203A DIODE(SI) D611 MA8043 DIODE(SI) D621 MA8082 DIODE(SI) D741 MA111 DIODE(SI) D751 MA111 DIODE(SI) (CONNECTORS) CN101 PQJJ2H003Z DC-TEL CN581 PQJS30B37Z CONNECTOR SOCKET (COILS) L101 PQLQXF330K COIL L102 PQLQXF330K COIL L481 PSLQR2T100K COIL L482...
Page 88 Ref. No. Part No. Part Name & Description Remarks R134 ERJ3GEY0R00 R136 ERDS1TJ330 R138 ERJ3GEYJ470 R139 ERJ3GEYJ122 1.2k R140 ERJ3GEYJ821 R311 ERD25TJ221 R315 ERJ3GEYJ221 R331 ERJ3GEYJ273 R332 ERJ3GEYJ683 R333 ERJ3GEYJ103 R335 ERJ3GEYJ561 R336 ERJ3GEYJ563 R341 ERJ3GEYJ473 R342 ERJ3GEYJ224 220k R344 ERJ3GEYJ104 100k R345...
Page 89 Ref. No. Part No. Part Name & Description Remarks R488 ERJ3GEYJ102 R541 ERJ3GEYJ151 R542 ERJ3GEYJ331 R543 ERJ3GEYJ331 R544 ERJ3GEYJ331 R571 ERJ3GEYJ104 100k R572 ERJ3GEYJ104 100k R573 ERJ3GEYJ221 R574 ERJ3GEYJ221 R575 ERJ3GEYJ221 R576 ERJ3GEYJ221 R577 ERJ3GEYJ101 R579 ERJ3GEYJ104 100k R585 ERJ3GEYJ221 R586 ERJ3GEYJ472 4.7k...
Page 90 Ref. No. Part No. Part Name & Description Remarks C344 ECUV1C104ZFV C345 ECUV1C104KBV 0.1 C371 ECUV1C104ZFV C373 ECUV1H103KBV 0.01 C383 ECUV1H103KBV 0.01 C411 ECUV1H121JCV 120P C412 ECUV1A105ZFV C413 ECUV1H121JCV 120P C414 ECEA1CKA100 C415 ECUV1A105ZFV C431 ECUV1H272KBV 0.0027 C432 ECUV1C104KBV 0.1 C440 ECUV1H100DCV 10P C441...
Page 91 Ref. No. Part No. Part Name & Description Remarks C572 ECUV1H681JCV 680P C575 ECUV1H681JCV 680P C576 ECUV1H681JCV 680P C577 ECUV1H681JCV 680P C601 ECEA1AU101 C603 ECUV1C104ZFV C611 ECEA1AU101 C613 ECEA1AU101 C614 ECUV1C104ZFV C621 ECEA1EU101 C631 ECUV1H103KBV 0.01 C654 ECUV1C104ZFV C657 ECUV1H680JCV 68P C663 ECUV1H680JCV 68P C665...
Page 92 CUSHION, SPEAKER PQHX10862Z LCD COVER SHEET PQHX10934Z SHEET PQHX10959Z RF SPONGE PQJT10175Z CHARGE TEMRINAL PQKE10128Z1 EARPHONE CAP (for KX-TG2583B) (for KX-TG2583S) S PQKE10128Z2 EARPHONE CAP (for KX-TG2583W) PQKE10129Z1 COVER (for KX-TG2583B) (for KX-TG2583S) PQKE10129Z2 COVER (for KX-TG2583W) PQP508SVC BATTERY PQQT22212Z...
Page 93 Ref. No. Part No. Part Name & Description Remarks PCB100 PQWPTG2583BR MAIN P.C.BOARD ASS'Y (RTL) (ICS) IC201 C2HBBH000015 IC202 PQWITG2583BR IC203 PQVIC62FP33M IC204 PQVIXCP3302M IC205 PQVIC61CN32N (TRANSISTORS) Q201 PQVTDTC143E TRANSISTOR(SI) Q202 PQVTDTC143E TRANSISTOR(SI) Q203 PQVTDTA143TU TRANSISTOR(SI) Q204 2SA1797Q TRANSISTOR(SI) Q205 2SD1819A TRANSISTOR(SI) Q206...
Page 94 Ref. No. Part No. Part Name & Description Remarks R203 ERJ3GEYJ331 R204 ERJ3GEYJ331 R205 ERJ3GEYJ101 R206 ERJ3GEYJ101 R207 ERJ3GEYJ101 R209 ERJ3GEYJ102 R210 ERJ3GEYJ104 100k R211 ERJ3GEYJ104 100k R212 ERJ3GEYJ101 R213 ERJ3GEYJ101 R217 D1BB4533A001 453k R218 ERJ3GEYF824 820k R220 ERJ3GEYJ474 470k R221 ERJ3GEYJ103 R222...
Page 95 Ref. No. Part No. Part Name & Description Remarks C203 ECUV1C104ZFV C205 ECUV1H101JCV 100P C206 ECUV1C104KBV 0.1 C207 ECUV1C104KBV 0.1 C208 ECUV1C104KBV 0.1 C209 ECUV1C104KBV 0.1 C210 ECUV1C104KBV 0.1 C211 ECUV1A474KBV 0.47 C212 ECUV1A474KBV 0.47 C213 ECEV1AA221 C214 ECUV1H103KBV 0.01 C215 ECUV1A474KBV 0.47...
Page 96: For Schematic Diagram
Part Name & Description Remarks PQJA10075Z TEL CORD PQKE10127Z1 BELT CLIP (for KX-TG2583B) (for KX-TG2583S) PQKE10127Z2 BELT CLIP (for KX-TG2583W) PQKL10038Z3 WALL MOUNT ADAPTOR (for KX-TG2583B) (for KX-TG2583S) S PQKL10038Y1 WALL MOUNT ADAPTOR (for KX-TG2583W) PQLV10Z AC ADAPTOR PQPD10440Y PQQT22229Z TAM LABEL PQQW12360Z...
Page 97: Schematic Diagram (Handset)
25.1. RF Unit Reference Drawing (Base Unit and Handset) 26. SCHMATIC DIAGRAM (RF UNIT) 26.1. Base Unit and Handset 27. CIRCUIT BOARD (OPERATION) 28. SCHEMATIC DIAGRAM (Operation) 29. CIRCUIT BOARD (Base Unit) 29.1. Component View 29.2. Flow Solder Side View 30.

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