Toshiba FT-7007LR Service Manual
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Toshiba FT-7007LR Service Manual

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FT-7007LR
FT-7007LBR
PUBLISHED IN JAPAN, Nov., 1998

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Summary of Contents for Toshiba FT-7007LR

  • Page 1 2.%&(,"3((456789:; '&#-.!&(/0,10% !"#$%&''()&%&*+",& FT-7007LR FT-7007LBR PUBLISHED IN JAPAN, Nov., 1998...

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ......................1 OPERATING CONTROLS ......................2 ALIGNMENT PROCEDURE ......................3 BLOCK DIAGRAMS ........................7 SCHEMATIC DIAGRAMS ......................9 TROUBLESHOOTING HINTS ....................13 IC AND TRANSISTOR VOLTAGE CHART ................20 SEMICONDUCTOR LEAD IDENTIFICATION ................24 ELECTRICAL PARTS LOCATION..................... 26 WIRING DIAGRAM ........................

  • Page 3: Operating Controls

    Rechargeable Battery Pack CHANNEL (back) Charging Contacts BASE UNIT CONTROLS AND FUNCTIONS DC in 9V Jack Telephone Modular Jack T-P(TONE-PULSE) Switch Base Antenna CHARGE CHARGE LED POWER POWER LED PAGE PAGE Button CHANNEL COMPANDOR NOISE Charging Contacts REDUCTION SYSTEM FT-7007 TOSHIBA...

  • Page 4: Alignment Procedure

    ALIGNMENT PROCEDURE Base Unit / Transmitter Test Equipment Required and Connections • Oscilloscope • Dummy Load, 50-ohm • Frequency Counter • AC Power Supply : 120V, 60Hz (With AC Adapter) BASE Unit Frequency Counter Dummy Load (50-ohm) RF Test Point AC Adapter (120V 60Hz) Oscilloscope...
  • Page 5 Receiver Test Equipment Required and Connections • SG: RF Signal Generator, 49.830MHz • Dummy Load, 600-ohm • Digital Voltmeter • AF SSVM • SINAD Meter AF SSVM BASE Unit Dummy Load (600-ohm) TEL Jack RF Test Point MOD=1kHz DEV=±3kHz Digital Voltmeter SINAD Meter AC Adapter...
  • Page 6 Portable / Transmitter Test Equipment Required and Connections • Oscilloscope, 100MHz • Dummy Load, 50-ohm • Frequency Counter • DC Power Supply, 2.4V Frequency Counter PORTABLE Dummy Load (50-ohm) RF Test Point Batt Terminal Oscilloscope Digital Voltmeter DC Power Supply 2.4V Preset Turn Power On (Connect battery) while depressing "...
  • Page 7 Receiver Test Equipment Required and Connections • SG: RF Signal Generator, 46.770MHz • Dummy Load, 150-ohm • Noise Meter • DC Power Supply: 2.4 V • Digital Voltmeter • SINAD Meter NOISE METER PORTABLE Dummy Load (150-ohm) RF Test Terminal Point Batt Terminal MOD=1kHz...

  • Page 8: Block Diagrams

    BLOCK DIAGRAMS Base Unit...
  • Page 9 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 By using voltage chart, check IC2 is defective.
  • Page 13 2. The bell does not ring & page does not ring. Can the base and handset be See 3. The base and handset connected? cannot be connected. Press handset DIAL key When the key of the handset is Check IC502. while in TALK MODE, pressed, can the pulse output can key touch sound be...
  • Page 14 3. The base and handset cannot be connected. Check whether the base is Check the power peripheral able to set in the test mode 1. circuit, IC3 and its peripheral circuit. Check the TX FREQUENCY Check Q2, D3 and their on the base unit.
  • Page 15 Check whether the handset is Check the power peripheral able to set in the test mode 2. circuit, IC502 and its peripheral circuit. Check the TX FREQUENCY Check Q503, D501 and their on the handset unit. peripheral circuits. Try adjust TX VCO VOLTAGE again.
  • Page 16 4. Cannot make a phone call (pulse). Can the base and handset See 3. The base and be connected? handset cannot connect. While in TALK MODE, press Check the base RELAY dial key of the handset. control (around Pin 23 of Can pulse feedback be IC3).

  • Page 17: Voice Cannot Be Transmitted To Other Party (Outgoing Call)

    6. Voice cannot be transmitted to other party (outgoing call). Can the base and handset be See 3. The base and handset connected? be cannot be connected. Does the bias voltage exitst Check R573, R554, R575, at MC501? R550 and C564. The 1kHz 18mV sine waveform Check IC501 and Pin13~14 is applied to MC501 +side, can...
  • Page 18 7. The voice of the caller cannot be heard (incoming call). Can the base and handset be See 3. The base and handset connected? be cannot be connected. The 1kHz 97.5mV sine Check the base TEL-line circuit waveform is applied to and RELAY control circuit.

  • Page 19: 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 5-4.9 Sine wave Vcc-4 Vcc-4 CLOCK 10.24MHz Vcc-4 CLOCK 10.24MHz Vcc-GND Vcc-GND Pulse OPEN OPEN Sine wave Vcc-GND Vcc-GND Pulse OPEN OPEN...
  • Page 20 Unit[V] Ref. No PIN STBY TALK NOTE Vcc-GND Vcc-GND Pulse Vcc-GND Vcc-GND Pulse Vcc-GND Vcc-GND Pulse Vcc-GND Vcc-GND Pulse Vcc-GND BAND CHGLED TXPWER TXVCO DATA OUT DATA ENB Sine wave Sine wave 2-1.5 Sine wave 2.5-2 Sine wave Vcc-3.5 Sine wave 0.6-GND 10-9 Sine wave...
  • Page 21 Handset Unit[V] Unit[V] !"#$%&'$ ()& *+,- +./0 &1+2 !"#$%&'$ ()& *+,- +./0 &1+2 6778 )>A93 39$4:;<= 39$4:;<= >?'7@ 39$4:;<= 39$4:;<= >?'7@ O&P 9B4$5 9B4$5 (C?D" &> 9B4$5 9B4$5 (C?D" !2*2+ 9B4$5 9B4$5 (C?D" 9B4$5 9B4$5 (C?D" 9B4$9 9B3$F 1*> 9B4$5 9B4$5 1*>...
  • Page 22 Unit[V] Ref. No. PIN STBY TALK NOTE ROW0 MIC-B RINGVOL IC502 DATA-ENB DATA-OUT IC503 IC504 Q501 2.0-2.6 1.7-2.6 Sine wave Q502 0.5-0.8 Sine wave 0.5-1.1 Sine wave Q503 0-2.6 0-1.5 1.4-1.8 Sine wave Q505 2.1-2.6 RING Q506...

  • Page 23: Semiconductor Lead Identification

    SEMICONDUCTOR LEAD IDENTIFICATION Base Unit D1:MTZ36AJ Q1 / Q4 / Q6 / Q7 / Q8 / Q9 : 2SC2712 D2 / D4 / Q2 / Q3 : 2SC2714 D5 / D6 / D7 : 1N4148 D9 :HZ6C3 D3 : KV1832C Anode Anode Cathode...
  • Page 24 Handset D501 : KV1832C D504 : HZ5A2 D506 : LTL-16KPE-A D505 / D507 : 1N4148 Anode Anode Cathode Cathode Cathode Anode Q501 / Q505 : MSA1162 Q502 / Q503 : 2SC2714 Q506 : 2SC2712 B : Base E : Emitter C : Collector IC501 IC502...

  • Page 25: Electrical Parts Location

    ELECTRICAL PARTS LOCATION Base Unit Handset Main PCB Main PCB FT504 Q503 FT501 C571 C541 JV501 C527 JV502 R507 Q501 IC503 IC504 D504 D507 JV503 D505...

  • Page 26: Wiring Diagram

    WIRING DIAGRAM Handset...

  • Page 27: Exploded View And Mechanical Parts List

    EXPLODED VIEWS AND MECHANICAL PARTS LIST Base Unit MAIN ASSY ANTENNA...

  • Page 28: Base Unit

    Base Unit LOC. REF. PART NO. DESCRIPTION RC004259 GNBZ451489Z BUTTON, PUSH for FT-7007LR RC004296 GNBZ251363Z BUTTON, PUSH for FT-7007LBR ABS RC004256 GCAS351488Z CASE, BOTTOM for FT-7007LR RC004294 GCAS151362Z CASE, BOTTOM for FT-7007LBR ABS RC005177 GCAS356398Z CASE, TOP for FT-7007LR RC005328...
  • Page 29 Handset BATTERY SPEAKER ANTENNA KEY BOARD RUBBER...
  • Page 30 Handset LOC. REF. PART NO. DESCRIPTION RC004280 HTML451205Z ANTENNA CONTACT C5191(PBP) RC004279 GNBZ451497Z BUTTON, PUSH for FT-7007LR RC004303 GNBZ351357Z BUTTON, PUSH for FT-7007LBR RC005195 GCAS356399Z CASE, FRONT for FT-7007LR RC005331 GCAS356530Z CASE, FRONT for FT-7007LBR RC004276 GCAS351494Z CASE, REAR for FT-7007LR...

  • Page 31: 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 ¶30 -20+80 0+100...
  • Page 32 LOC. REF. PART NO. DESCRIPTION RC008194 BCAP311006Z ELECTROLYTIC 10UF 16V M C-130 RC004497 BCUB811035Z CERAMIC M/L (2125) BULK 0.01UF 50V K B RC004482 BCUA812204Z CERAMIC M/L (2125) BULK 22PF 50V J CH RC004489 BCUA815091Z CERAMIC M/L (2125) BULK 5PF 50V C CH RC004482 BCUA812204Z CERAMIC M/L (2125) BULK...
  • Page 33 LOC. REF. PART NO. DESCRIPTION C509 RC004976 BCUB813925Z CERAMIC M/L (2125) BULK 0.0039UF 50V K B C510 RC004497 BCUB811035Z CERAMIC M/L (2125) BULK 0.01UF 50V K B C511 RC004496 BCUB811025Z CERAMIC M/L (2125) BULK 0.001UF 50V K B C512 RC004484 BCUA812704Z CERAMIC M/L (2125) BULK 27PF 50V J CH...
  • Page 34 LOC. REF. PART NO. DESCRIPTION C568 RC004562 BCUB814725Z CERAMIC M/L (2125) BULK 0.0047UF 50V K B C569 RC004497 BCUB811035Z CERAMIC M/L (2125) BULK 0.01UF 50V K B C570 RC005620 BCDU514796Z ELECTROLYTIC 4.7UF 25V M C-308 C571 RC008184 BCBW811091Z CERAMIC M/L (3216) TAPE 1PF 50V C CK C572 RC004499...
  • Page 35 LOC. REF. PART NO. DESCRIPTION L501 RC004249 BLZY0041229 INDUCTOR:MOLDED LZ-041 2.2UH K L502 RC004666 BLBY0523001 LB-523 L7BRE-1293Z L503 RC008188 BLBY1168001 LB-1168 291XCAS-10259IB L504 RC004400 BLZY0041109 INDUCTOR:MOLDED LZ-041 1UH K L505 RC004401 BLZY0041398 INDUCTOR:MOLDED LZ-041 0.39UH K L506 RC005190 BLBY1155001 LB-1155 291XCAS-9855IB L507 RC003300 BLZY0041159...
  • Page 36 LOC. REF. PART NO. DESCRIPTION RC004512 BRFX011024Z CARBON FIXED CHIP 1K 1/10W J BULK RC004512 BRFX011024Z CARBON FIXED CHIP 1K 1/10W J BULK RC004512 BRFX011024Z CARBON FIXED CHIP 1K 1/10W J BULK RC004519 BRFX011544Z CARBON FIXED CHIP 150K 1/10W J BULK RC004519 BRFX011544Z CARBON FIXED CHIP...
  • Page 37 LOC. REF. PART NO. DESCRIPTION RC004745 BRFX015614Z CARBON FIXED CHIP 560 1/10W J BULK RC004509 BRFX010004Z CARBON FIXED CHIP 0 1/10W J BULK RC004509 BRFX010004Z CARBON FIXED CHIP 0 1/10W J BULK R501 RC004746 BRFX016804Z CARBON FIXED CHIP 68 1/10W J BULK R502 RC004533 BRFX013314Z...
  • Page 38 QX-542 3.579545MHZ X501 RC003746 BQXY0565001 QX-565 10.24MHZ X502 RC004215 BQXY0595001 QX-595 3.583MHZ OTHER ELECTRICAL PARTS AD901 RC005335 BADY0296001 AC ADAPTOR for FT-7007LR AD-296 AD901 RC005336 BADY0223001 AC ADAPTOR for FT-7007LBR AD-223 HY-6243 AT701 RC003965 BATY0257001 ANTENNA AT-257 TY-9408-2601 AT801 RC004273...

  • Page 39: Assembly Parts List

    400×400×600×0.07T RC000936 RNUT440314Z WALL MOUNT SCREW D3.5×35 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 RC008174 AD607MLBA BASE MAIN ASSEMBLY...

  • Page 40: Specifications

    SPECIFICATIONS MEASUREMENT CONDITIONS Standard Voltage :Portable Unit ..DC 2.4V ± 0.05V :Base Unit ..AC 120V ± 3V 60Hz Temperature :25 ˘ ± 5 ˘ Channel FCC CH Portable(TX Frequency) Base(TX Frequency) 48.760 MHz 43.720 MHz 48.840 MHz 43.740 MHz 48.860 MHz 43.820 MHz 48.920 MHz...
  • Page 41 BASE UNIT RECEIVER UNIT NOMINAL 1.Sensitivity at 12 dB SINAD 2.Selectivity (NQ 20 dB) 6dB Bandwidth 3.Signal to Noise Ratio 1mV RF Input 4.Audio Output Level at Mod.1KHz ± 3KHzDeV Tel Line output -9.0 -3.0 -6.0 5.T.H.D. 6.Audio Freq. Response 300 Hz -4.5 +3.5...
  • Page 42 PORTABLE UNIT RECEIVER UNIT NOMINAL Sensitivity at 12 dB SINAD 0.30 2.Selectivity ( NQ 20 dB ) (Bandwidth at 6dB Down) 3.Signal to Noise Ratio at 1mV RF Input 4.Audio Output Voltage at Mod.1KHz ± 3KHz Dev. Ω Dummy Load 150 5.T.H.D.

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