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Toshiba SX-2809 Service Manual

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Teléfonos inalámbricos
Contenido y precauciones de seguridad
Controles de operación
SX-2809
Procedimientos de alineamiento
Diagrama a bloques
Diagramas esquemáticos
Procedimiento de localización de fallas
Carta de voltajes de transistores y de IC
Identificación de terminales de semiconductores
Localización de partes eléctricas
Diagramas de conexiones (alambrado)
Vistas explotadas y lista de partes mecánicas
Lista de partes
Lista de partes del ensamble
Especificaciones

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Summary of Contents for Toshiba SX-2809

  • Page 1 Teléfonos inalámbricos Contenido y precauciones de seguridad Controles de operación SX-2809 Procedimientos de alineamiento Diagrama a bloques Diagramas esquemáticos Procedimiento de localización de fallas Carta de voltajes de transistores y de IC Identificación de terminales de semiconductores Localización de partes eléctricas Diagramas de conexiones (alambrado) Vistas explotadas y lista de partes mecánicas...
  • Page 2 FILE NO. 2B0-9912 SERVICE MANUAL CORDLESS TELEPHONE SX-2809 PUBLISHED IN JAPAN, Dec., 1999...

  • Page 3: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ........................1 OPERATING CONTROLS ........................2 ALIGNMENT PROCEDURE ........................3 BLOCK DIAGRAMS ..........................6 SCHEMATIC DIAGRAMS ........................8 TROUBLESHOOTING HINTS ......................12 IC AND TRANSISTOR VOLTAGE CHART ................... 18 SEMICONDUCTOR LEAD IDENTIFICATION ..................23 ELECTRICAL PARTS LOCATION ....................... 25 WIRING DIAGRAMS ...........................

  • Page 4: Operating Controls

    TONE/PULSE Switch DC in 9V Jack Dot matrix display LINE Modular Jack SPREAD SPECTRUM ALL DIGITAL CALLER ID CORDLESS TELEPHONE SX-2809 Caller ID indication example Base Antenna Number of calls Cradle Date Time IN USE/CHARGE LED Caller's telephone number PAGE Button...

  • Page 5: Alignment Procedure

    ALIGNMENT PROCEDURE Base Unit Transmitter Section Connections BASE Main Unit Power AC 120V DC9V Meter Adapter 60Hz RF Test DC IN Point Preset a) Connect the “TXPWR0 (TP312)” and “TXPWR1 (TP324)” to “G (TP322)” with using wires. b) Remove the plug J8 from the J7. c) Supply the DC Power to Base Main PCB (J3).
  • Page 6 Handset Unit Transmitter Section Connection HANDSET Main Unit Power DC3.8V J604 J605 Meter RF Test DC IN Supply Point Preset a) Connect the “TXPWR0 (TP512)” and “TXPWR1 (TP524)” to “G (TP522)” with using wires. b) Remove the plug J606 from the J604. c) Supply the DC Power to HANDSET Main PCB (J605).
  • Page 7 Receiver Section Connection AF Gen. BASE Main Unit HANDSET Main Unit AC Volt Meter 1kHz -19.5dBm WHT(+) TEL JACK Link Test Point BLK(-) Dummy Load (Zo=600ohm) (Z=150ohm) J605 DC Power Supply DC JACK DC IN (C=47µF) Adapter DC3.8V AC 120V 60Hz Preset a) Supply the DC Power to HANDSET Main PCB (J605).

  • Page 8: Block Diagrams

    BLOCK DIAGRAMS Base Unit...
  • Page 9 Handset Unit...

  • Page 10: Schematic Diagrams

    SCHEMATIC DIAGRAMS Base Unit...
  • Page 11 Handset...

  • Page 12: Troubleshooting Hints

    TROUBLESHOOTING HINTS 1. The bell does not ring. When the PAGE SW of the See 2. The bell does not ring base is pressed, does the & page does not ring. ringer on the handset ring? When the TEL SG is joined Check IC10 and TEL network with the base to make bell circuit.
  • Page 13 2. The bell does not ring & page does not ring. Can the base and handset See 3. The base and handset be connected? cannot be connected. Press handset DIAL key When the key of the handset Check IC608. while in TALK MODE. is pressed, can the pulse Can key touch sound be output at pin 58 of IC608 be...
  • Page 14 3. The base and handset cannot be connected. Base Unit Check whether D20 will light Check whether the power when the handset is charged. line is shorted. Check whether the base Check RF unit. transmit data intermittently. Check IC10. Handset Unit Check whether D601, D602 Check whether the power and D603 flash when the...
  • Page 15 4. Cannot make a phone call (pulse). Can the base and handset See 3. The base and handset be connected? cannot be connected. While in TALK MODE, press Check IC10. dial key of the handset. C h e ck w h e t h e r s q u a r e waveform from pin 99 of IC10 is fed.
  • Page 16 6. Voice cannot be transmitted to other party (outgoing call). Can the base and handset See 3. The base and handset be connected? cannot be connected. T h e 1 k H z , 7 m V s i n e Check Q609.
  • Page 17 7. The voice of the caller cannot be heard (incoming call). Can the base and handset See 3. The base and handset be connected? cannot be connected. The 1 kHz, -20 dBm sine Check the base TEL-line waveform is applied to TEL- circuit and REPLAY control line of the base, can the 1 circuit.

  • Page 18: Ic And Transistor Voltage Chart

    IC AND TRANSISTOR VOLTAGE CHART Base Unit Unit[V] Unit[V] Ref. No. PIN STBY TALK NOTE Ref. No. PIN STBY TALK NOTE 0.1/3.5 0.1/3.5 0/3.7 3.58MHz 3.58MHz 8kHz 0.3/3.3 0.3/3.3 0/3.7 DATA 3.58MHz 3.58MHz 0/3.7 DATA 0/3.7 4.8MHz 0/3.7 DATA 0/3.7 DATA 0/3.7 8kHz...
  • Page 19 Unit[V] Unit[V] Ref. No. PIN STBY TALK NOTE Ref. No. PIN STBY TALK NOTE 0/3.8 0/3.7 12ms 0/3.7 0/3.6 9.6MHz 9.6MHz 0/1.7 IC10 2.1/3.1 2.1/3.1 12ms 2.1/3.1 2.1/3.1 2.1/3.1 2.1/3.1 2.1/3.1 2.1/3.1 0/3.7 0/3.7 IC11...
  • Page 20 Handset Unit Unit[V] Unit[V] Ref. No. PIN STBY TALK NOTE Ref. No. PIN STBY TALK NOTE IC602 IC603 0.2/2.9 0.2/2.9 9.6MHz 9.6MHz 0.4/2.5 0.4/2.5 9.6MHz 9.6MHz 0/3.2 1.2MHz IC604 IC604 0/3.2 0/3.2 0/3.2 2.65ms 0/3.2 DATA 0/3.2 DATA 0/3.2 0/3.2 DATA 0/3.2 4.8MHz...
  • Page 21 Unit[V] Unit[V] Ref. No. PIN STBY TALK NOTE Ref. No. PIN STBY TALK NOTE 1.9/2.9 1.9/2.9 1/2.9 1.7s 0/1.4 0/1.5 0/3.2 0/1.6 0.3/1.9 1.7s 4.2MHz 1.7s 4.2MHz IC604 0/3.2 1.7s 0/3.2 0/3.1 1.7s 0/3.2 0/3.2 1.7s IC606 IC608 0/2.9 1.7s 0/2.9 1.7s 0/2.9...
  • Page 22 Unit[V] Unit[V] Ref. No. PIN STBY TALK NOTE Ref. No. PIN STBY TALK NOTE Q609 IC608 Q610 IC609 Q612 Q613 IC610 Q614 IC611 Q601 Q602 Q603 Q604 Q605 Q606 Q607 Q608...

  • Page 23: Semiconductor Lead Identification

    SEMICONDUCTOR LEAD IDENTIFICATION Base Unit D13 : HSM88WA D14/D15 : DCC010 D8/D22/D23 : RLS4148 D1 : HZ7C3 D24 : HZK6C Anode Cathode / Anode D2/D10/D12 : 1N4003 D3/D11 : HZ5C1 Anode Cathode Anode Cathode Cathode Anode Cathode Cathode Q11 : 2SD471 D20 : EBR3338S Q1/Q8/Q10 Q2/Q7 : 2SD1801...
  • Page 24 Handset D609 : RB420D D606: S1ZB20 D601/D602/D603 : PG3822K D604/D608 : HZK5C D605/D607 : RLS4148 Cathode Cathode Anode Anode (open) Q603 : 2SA812(M) Cathode Q601/Q602/Q604/Q605/Q606/Q607 /Q608/Q609/Q610/Q612/Q613/Q614 : 2SC1623 Anode D610/D611 : 1SS226 Cathode / Anode B : Base E : Emitter IC604 C : Collector R6753-50...

  • Page 25: Electrical Parts Location

    ELECTRICAL PARTS LOCATION Base Unit Main PCB...
  • Page 26 Handset Main PCB...

  • Page 27: Wiring Diagrams

    WIRING DIAGRAMS Base Unit...
  • Page 28 Handset...

  • Page 29: Exploded View And Mechanical Parts List

    EXPLODED VIEWS AND MECHANICALPARTS LIST Base Unit MAIN PCB ASSY RF MODULE(BASE) ANTENNA...
  • Page 30 Base Unit LOC. REF. PART NO. DESCRIPTION RC008314 GNBZ442328Z BUTTON, PUSH RC008312 GCAS242327Z CASE, BOTTOM RC009070 GCAS343192A CASE, TOP RC008315 HTML442330Z CHARGE TERMINAL C5191(PBP) RC002384 LFUT428079Z FOOT BUMPON SJ-5916 1.6T RC005684 GCAS457909Z HOOK RC009071 PLBB443485Z LABEL, BARCODE PAPER RC008317 PLBZ442784Z LABEL, INDICATION RC005329 PLBZ456718Z...
  • Page 31 Handset RF MODULE (HANDSET) MAIN PCB ASSY...
  • Page 32 Handset LOC. REF. PART NO. DESCRIPTION RC008346 RBLD442400Z BLIND RC008568 GNBZ442808Z BUTTON, FUNCTION RC009080 GCAS343193Z CASE, FRONT RC009019 GCAS342702A CASE, REAR RC008342 HTML442336Z CHARGE TERMINAL C2680(BSP) RC008703 GCAS457897Z COVER ELASTOMER RC008702 GCAS357889Z COVER, BATTERY RC008347 RCUM441150Z CUSHION MOLTPRENE, 40×20×8 RC008348 RCUN442433Z CUSHION NEOPRENE...

  • Page 33: Parts List

    PARTS LIST PRODUCT SAFETY NOTE : Products marked with a have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice of this service manual. Don’t degrade the safety of the product through important servicing. Symbol Symbol ±...
  • Page 34 LOC. REF. PART NO. DESCRIPTION RC004945 BCAP111016Z ELECTROLYTIC 100UF 10V M C-130 RC005276 BCML818225Z CERAMIC M/L (1608) TAPE 0.0082UF 50V K B RC005219 BCMM814704Z CERAMIC M/L (1608) TAPE 47PF 50V J CH RC000777 BCZY0120001 SEMI-CONDUCTOR CZ-120 0.022UF 18V RC005161 BCAP311016Z ELECTROLYTIC 100UF 16V M C-130 RC005202...
  • Page 35 LOC. REF. PART NO. DESCRIPTION C135 RC005202 BCML311045Z CERAMIC M/L (1608) TAPE 0.1UF 16V K B C136 RC005216 BCMM813304Z CERAMIC M/L (1608) TAPE 33PF 50V J CH C137 RC005216 BCMM813304Z CERAMIC M/L (1608) TAPE 33PF 50V J CH C138 RC005202 BCML311045Z CERAMIC M/L (1608) TAPE 0.1UF 16V K B...
  • Page 36 LOC. REF. PART NO. DESCRIPTION C631 RC008989 BCMM811807Z CERAMIC M/L (1608) TAPE 18PF 50V G CH C632 RC008292 BCMM811507Z CERAMIC M/L (1608) TAPE 15PF 50V G CH C633 RC008731 BCXK311050Z CERAMIC M/L (2125) TAPE 1UF 16V Z F C634 RC005202 BCML311045Z CERAMIC M/L (1608) TAPE 0.1UF 16V K B...
  • Page 37 LOC. REF. PART NO. DESCRIPTION C681 RC005202 BCML311045Z CERAMIC M/L (1608) TAPE 0.1UF 16V K B C682 RC005202 BCML311045Z CERAMIC M/L (1608) TAPE 0.1UF 16V K B C683 RC005219 BCMM814704Z CERAMIC M/L (1608) TAPE 47PF 50V J CH C684 RC005204 BCML811025Z CERAMIC M/L (1608) TAPE 0.001UF 50V K B...
  • Page 38 LOC. REF. PART NO. DESCRIPTION D608 RC008982 BDAY0432002 ZENER HZK5C TR D609 RC008448 BDAY1065001 RB420D T146 D610 RC001635 BDAY0274001 1SS226 TE85L D611 RC001635 BDAY0274001 1SS226 TE85L IC’s RC004774 BDEY2957001 LTV-817 CD RC008623 BDEY3849003 MT88E45ASR RC005074 BDEY2937003 RH5VL28CA-T1 IC10 RC009067 BDDY0936001 UC2395 R6797-50 IC11...
  • Page 39 LOC. REF. PART NO. DESCRIPTION L611 RC009077 BLZY0118398 INDUCTOR:MOLDED CHIP LZ-118 0.39UH RC003234 BTFY0265001 TRANSFORMER:HYBRID TF-265 AT-24E-1B(R295403) TRANSISTORS RC003031 BDBC1623648 DB-380 2SC1623-L6 T1B RC008054 BDBD1801118 DB-455 2SD1801-S TL RC008054 BDBD1801118 DB-455 2SD1801-S TL RC003031 BDBC1623648 DB-380 2SC1623-L6 T1B RC003031 BDBC1623648 DB-380 2SC1623-L6 T1B RC003200 BDBD0471111...
  • Page 40 LOC. REF. PART NO. DESCRIPTION RC003162 BRFC184714Z CARBON FIXED CHIP 470 1/8W J TAPING RC005239 BRFC161014Z CARBON FIXED CHIP 100 1/16W J TAPING RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING RC005240 BRFC161024Z CARBON FIXED CHIP...
  • Page 41 LOC. REF. PART NO. DESCRIPTION R147 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R148 RC005256 BRFC164724Z CARBON FIXED CHIP 4.7K 1/16W J TAPING R151 RC005286 BRFC165644Z CARBON FIXED CHIP 560K 1/16W J TAPING R152 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R153 RC008553 BRFC161043Z...
  • Page 42 LOC. REF. PART NO. DESCRIPTION R628 RC002807 BRFC182204Z CARBON FIXED CHIP 22 1/8W J TAPING R630 RC008732 BRFC161214Z CARBON FIXED CHIP 120 1/16W J TAPING R632 RC005239 BRFC161014Z CARBON FIXED CHIP 100 1/16W J TAPING R633 RC005239 BRFC161014Z CARBON FIXED CHIP 100 1/16W J TAPING R634 RC005239 BRFC161014Z...
  • Page 43 LOC. REF. PART NO. DESCRIPTION R677 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R678 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R679 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R680 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R681 RC005240 BRFC161024Z...

  • Page 44: Assembly Parts List

    300X300X700X0.07T RC008353 VNYL3101000 VINYL BAG 100X100X0.1T ASSEMBLY PARTS LIST NOTE: Following part numbers are not available as replacement parts. Order parts necessary for repair or contact the Toshiba Factory Service Center. LOC. REF. PART NO. DESCRIPTION RC009085 AC637BLBA BASE MAIN PCB ASSEMBLY...

  • Page 45: Specifications

    SPECIFICATIONS MEASUREMENT CONDITIONS 1. Standard Voltage :Portable Unit ..DC 3.8V ± 0.025V :Base Unit ..AC 120V ± 3V 60Hz 2. Temperature :25°C ± 5°C 3. Channel Frequency 904.200MHz 904.800MHz 906.000MHz 907.200MHz 908.400MHz 909.600MHz 910.800MHz 912.000MHz 913.200MHz 914.400MHz 915.600MHz 916.800MHz 918.000MHz 919.200MHz 920.400MHz 921.600MHz...
  • Page 46 BASE UNIT RECEIVER UNIT NOMINAL LIMIT 1. Sensitivity 20dB SINAD with CCITT Filter -105 < -100 2. Frequency Response (Ref:1kHz) 0.3kHz -1.5 -5.5~2.5 3.0kHz -2.0 -6.0~+2.0 3. Distortion (with 15kHz LPF) < 5 @PORT CODEC IN -43dBv 4. S/N ratio with CCITT Filter 40 <...
  • Page 47 HANDSET RECEIVER UNIT NOMINAL LIMIT 1. Sensitivity 20dB SINAD with CCITT Filter -105 < -100 2. Frequency Response (Ref:1kHz) 0.3kHz -2.5 -6.5~1.5 3.0kHz -5~3 3. Audio Output Level (@BASE CODEC IN -21dBV) VOL. Low -30~-26 VOL. Mid -26~-22 VOL. Hi -17.5 -19.5~-15.5 VOL.

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