Toshiba FT-8809 Service Manual Download | Manualshive

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WIRING DIAGRAMS

Base Unit

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Summary of Contents for FT-8809

Page 1: ...CORDLESS TELEPHONE PUBLISHED IN JAPAN Aug 1999 SERVICE MANUAL FILE NO 2B0 9902 FT 8809 ...

Page 2: ... circuitry etc may alter the safety characteristics of these models and potentially create a hazardous situation for the user Any design alterations or additions will void the manufacturer s warranty and will further relieve the manufacturer of responsibility for personal injury or property damage resulting therefrom 2 PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this chassis have...

Page 3: ... Button Dialpad Charging contacts Dot matrix display PAGE Button IN USE CHARGE LED Caller ID indication example Date Caller s telephone number Charging Contacts SELECT Button VOL RING Button Battery compartment REDIAL Button PAUSE Button MEM Memory Button TONE Button Time Number of calls Caller s name Cradle LINE Modular Jack DC in 9V Jack TONE PULSE Switch Antenna Base Antenna ...

Page 4: ...marks Connect the Power Meter to the RF test point on the Base MAIN PCB Adjust RT301 for a 5 5dBm reading on the Power Meter Connect the Frequency Counter to the RF test point on the Base MAIN PCB Adjust CT1 to make sure that the frequency is 926 897468 MHz Press the PAGE key to enter the TEST Mode 2 Connect the AF Generator to the TEL Line Jack on the Base Main PCB Make sure that the output is 1 ...

Page 5: ...rator to the RF test point on the Base MAIN PCB Make sure that the frequency is 902 952467 MHz Connect the DC Voltmeter to the Discriminator test point Adjust L3 to indicate DC 0 95 V Connect the AC Voltmeter across a 600 ohm dummy to the Telephone Line Jack Adjust RT2 for a 11dBm reading on the AC voltmeter Press the PAGE key to enter the TEST Mode 5 Make sure that the frequency of RF SG output i...

Page 6: ...on Remarks Connect the RF power Meter to the RF test point on the handset MAIN PCB Adjust RT501 for a 5dBm reading on the Power Meter Connect the Frequency Counter to the RF test point on the handset MAIN PCB Adjust CT601 to make sure that the frequency is 903 052467 MHz Press the 2 key to enter the TEST Mode 2 Connect the AF Generator to the MIC Connector make sure that the output is 1kHz 9mV fro...

Page 7: ...Make sure that the frequency is 926 997467 MHz Connect the DC Voltmeter to the Discriminator test point Adjust L603 to indicate DC 0 85 V Connect the RF Signal Generator to the RF test point on the handset MAIN PCB Make sure that the frequency is 926 997467 MHz Connect the AC Voltmeter across a 150 ohm dummy to the MIC Connector Adjust RT602 for a 35 mV reading on the AC Voltmeter Press the 5 key ...

Page 8: ...7 BLOCK DIAGRAMS Base Unit ...

Page 9: ...8 Handset ...

Page 10: ...9 10 SCHEMATIC DIAGRAMS Base Unit ...

Page 11: ...11 12 Handset ...

Page 12: ...oes not ring page does not ring OK OK NG NG OK NG Deletion of the Caller ID memory To delete the Caller ID memory in the EEPROM proceed with the following process 1 Connect the battery with pressing and buttons and keep pressing the buttons continuously for approximate 2 seconds 2 Release buttons when entering TEST mode with beep 3 Press CID button 4 A confirmation beep will sound after about 8 se...

Page 13: ...e is pressed does pin60 of IC5 change from high to low Check IC4 and its peripheral circuit When the key of the handset is pressed can the pulse output at pin 58 of IC603 be seen Check RINGER Y601 Check R55 R77 and S1 See 3 The base and handset cannot be connected Check IC603 OK OK OK NG OK NG NG NG At the Q616 collector can the pulse wave be seen OK Check R688 R673 R689 R672 R629 Q616 and Q617 NG...

Page 14: ... Check base RF unit Press PAGE key 7 times 902 952467 MHz 250 Hz 8 kHz Dev 1mV output signal from RF jack is applied Can the IN USE LED be lighted OK NG Check whether there is a 250 Hz data waveform at pin 9 of IC3 NG OK Check whether there is a 250 Hz data waveform at the Q2 collector Check RT2 Q2 and their peripheral circuit NG OK Check whether there is a 250 Hz data waveform at pin 37 of IC5 Ch...

Page 15: ...kHz Dev 1mV output signal from RF jack is applied Check whether the bell ring NG Check whether the 250 Hz data waveform from pin 9 of IC606 is fed NG OK Check whether there is a 250 Hz data waveform at the Q601 collector Check RT602 Q601 and their peripheral circuit NG OK Check whether there is a 250 Hz data waveform at pin 55 of IC603 Check IC601 and their peripheral circuit NG OK Check IC603 and...

Page 16: ... Q10 RL1 and their peripheral circuits NG OK OK 5 Cannot make a phone call tone Can the base and handset be connected See 3 The base and handset be cannot be connected OK NG While in TALK MODE press dial key of the handset Can tone waveform from Pin 20 of IC8 is fed Check IC8 OK NG Can tone signal be heard from the handset speaker Check IC1 Q3 and their peripheral circuits NG OK Check the base TEL...

Page 17: ...ut signal from the handset is detected by the liner detector can the 1 kHz sine waveform be fed Check handset RF unit NG OK Check whether there is the 1 kHz sine waveform at pin 9 of IC3 on the base unit NG OK Check whether there is the 1 kHz sine waveform at pin 3 of IC1 Check RT2 Q2 and their peripheral circuits NG OK Check whether there is the 1 kHz sine waveform at pin 18 of IC1 Check IC1 and ...

Page 18: ... OK TX output signal from the base is detected by the liner detector can the 1 kHz sine waveform be fed Check base RF unit NG OK Check whether there is the 1 kHz sine waveform at pin 9 of IC606 on the handset unit NG OK Check whether there is the 1 kHz sine waveform at pin 3 of IC601 Check RT602 Q601 and their peripheral circuits NG OK Check whether there is the 1 kHz sine waveform at the pin 18 o...

Page 19: ...3 2 0 3 2 0 TONE PULSE 19 1 6 1 6 19 0 0 20 1 6 1 6 20 0 2 7 TXMUTE 21 0 6 0 6 21 0 2 7 RXMUTE 22 1 6 1 6 IC5 22 0 2 5 TALK 23 1 6 1 6 23 2 8 0 CASENB 24 1 6 1 6 24 0 0 1 2 6 3 8 2 6 3 8 SINE WAVE 25 0 0 2 3 4 4 2 3 4 4 2 SINE WAVE 26 0 0 3 2 6 2 4 3 0 PULSE 27 0 0 4 3 2 3 2 Vcc 28 1 8 0 5 2 8 2 5 3 0 SINE WAVE 29 1 8 0 6 2 8 2 8 30 0 0 7 2 8 2 8 31 0 0 IC3 8 3 2 3 2 32 0 0 9 0 0 33 0 0 10 0 6 0 6...

Page 20: ... 12 0 0 GND 57 3 1 3 1 IC9 13 0 0 GND 58 0 0 14 0 0 GND 59 0 0 15 0 0 60 3 2 3 2 16 0 0 61 0 0 17 5 5 62 0 0 18 5 5 63 0 0 19 5 5 64 0 0 20 0 0 1 3 2 3 2 21 0 0 IC6 2 0 0 22 0 0 3 0 0 23 0 0 1 3 2 3 2 24 5 5 Vcc 2 1 2 1 2 E 0 0 3 0 0 Q1 C 2 1 0 58p p SINE WAVE 4 2 8 2 8 B 0 8 0 8 5 2 8 2 8 E 0 4 0 4 6 0 0 Q2 C 1 9 1 9 7 0 0 B 1 1 8 0 0 E 0 6 0 6 9 0 2 2 6 0 2 2 6 Q3 C 4 2 4 2 IC8 10 0 3 2 0 3 2 B ...

Page 21: ...NOTE E 3 2 3 2 Q8 C 5 2 5 2 B 3 9 3 9 E 0 0 Q9 C 3 2 3 2 B 0 0 E 0 0 Q10 C 9 0 B 0 0 8 E 0 7 2 2 Q12 C 0 0 6 B 0 2 2 8 E 0 0 Q13 C 0 0 B 5 5 E 2 6 2 6 Q14 C 0 2 6 B 2 5 2 2 E 2 6 2 6 Q15 C 0 2 5 B 2 4 2 2 E 2 6 2 6 Q16 C 0 2 6 B 2 5 2 2 ...

Page 22: ...0 0 2 9 RESET 16 0 3 0 RXMUTE 31 0 2 9 LCDV 17 0 3 0 TXMUTE 32 0 0 18 0 1 5 1 5 33 2 9 2 9 19 0 15 1 5 34 0 0 20 0 1 5 1 5 35 2 9 2 9 21 1 0 4 0 0 7 36 0 0 22 1 6 1 5 IC603 37 0 0 23 1 6 1 5 38 3 2 3 2 BATLOW 24 1 6 1 5 39 0 0 1 0 2 9 2 9 40 0 0 2 0 0 GND 41 0 2 9 0 SQ IN IC602 3 0 1 2 1 2 42 0 2 9 2 9 SC 4 0 3 0 3 0 43 0 0 2 9 RINGVOL 5 3 8 3 8 44 0 2 5 0 TXB 1 3 0 3 0 45 0 0 2 0 0 46 0 2 9 0 3 0...

Page 23: ...0 3 2 3 0 2 5 2 2 2 8 Q610 C 3 2 0 4 3 0 3 0 B 0 0 5 0 2 5 2 3 2 8 E 0 0 6 0 2 5 2 5 Q611 C 3 2 2 9 7 0 2 5 2 5 B 0 0 IC606 8 0 3 0 2 8 E 0 0 9 0 1 5 0 5 1 0 SINE WAVE Q612 C 0 2 2 1 5 2 5 SINE WAVE 10 0 0 7 0 6 B 0 0 7 0 7 11 0 0 7 0 6 E 0 3 0 3 0 12 0 0 7 0 8 Q613 C 0 3 3 0 13 0 0 B 0 2 5 2 2 14 0 0 E 0 0 15 0 0 Q614 C 2 3 2 3 16 0 3 0 2 6 3 2 SINE WAVE B 0 0 1 0 0 E 0 0 2 0 0 Q616 C 3 8 3 8 3 0...

Page 24: ...43 36 13 P10 INT0 P130 35 14 PTH03 P131 34 15 PTH02 P132 33 16 PTH01 IC5 UPD75116HGC IC1 LA8633VU 1 2 3 IC6 RH5VL28CA IC3 MC3361CDR2 PRE IN 24 PRE NF 23 CMP NF 22 CMP VREC 21 CMP OUT 20 LPF2 IN 19 LPF2 OUT 18 CMP MUTE CONT 17 EXP MUTE CONT 16 TX DATA IN 15 VREF 14 VCC 13 1 LPF1 IN 2 LPF1 OUT 3 EXP IN 4 EXT VREC 5 INT OUT 6 TEL OUT 7 V HOLD 8 INTC CONT 9 CHARGE CONT 10 FSK OUT 11 GND 12 ST BY TONE ...

Page 25: ...uelch Input 12 Filter Output 11 Filter Input 10 Demodulator Output 9 1 Crystal Osc 2 3 Mixer Output 4 Vcc 5 Limiter Input 6 Decoupling 7 8 Ouad Coil D612 D613 D614 PG3822K Cathode Anode IC608 24LC16BT SN 64 P45 INT25 63 P44 INT24 62 P43 INT23 61 P42 INT22 60 P41 INT21 59 P40 EC INT20 58 P37 PTO1 57 P36 WTO 56 P35 PWC Vcc 55 P34 54 P33 SI1 UI1 53 17 P63 INT13 18 P64 19 RST 20 MOD0 21 MOD1 22 X0 23 ...

Page 26: ...27 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...

Page 27: ...28 Handset Main PCB ...

Page 28: ...29 WIRING DIAGRAMS Base Unit ...

Page 29: ...30 Handset ...

Page 30: ...31 EXPLODED VIEWS AND MECHANICAL PARTS LIST Base Unit 9 6 3 10 11 13 14 1 13 15 8 4 13 2 5 12 16 7 12 MAIN PCB ASSY RF MODULE BASE ANTENNA ...

Page 31: ...OK ABS 1 7 RC008444 PLBB442830Z LABEL BARCODE 1 8 RC008317 PLBZ442784Z LABEL INDICATION 1 9 RC005180 PLBZ456717Z LABEL INDICATION 1 10 RC008313 GCAS442329Z LED LENS PMMA 1 11 RC008289 SSCW192005N SCREW BIND HD M2X5 NI 4 12 RC004893 SSCW802612N SCREW P TIGHT BIND HD D2 6X12 NI 4 13 RC000941 SSCW802608N SCREW P TIGHT BIND HD D2 6X8 NI 5 14 RC001752 SSCW283012N SCREW TAPPING BIND SP WASHER D3X12 NI 1...

Page 32: ...33 Handset 7 8 4 15 1 16 17 18 17 5 10 22 11 21 12 20 2 9 6 19 13 14 3 17 RF MODULE HANDSET MAIN PCB ASSY ...

Page 33: ... CUSHION NEOPRENE 1 10 RC008709 LHDZ456969Z HOLDER MIC EPDM 1 11 RC008367 GHDZ442430A HOLDER SPEAKER ABS 1 12 RC008464 LNBZ342420Z KEY RUBBER SI 1 13 RC008345 PLBS442900Z LABEL ID PAPER 1 14 RC008463 KDPZ442451Z PLATE DISPLAY PMMA 1 15 RC008289 SSCW192005N SCREW BIND HD M2X5 NI 2 16 RC003327 SSCW802610N SCREW P TIGHT BIND HD D2 6X10 NI 2 17 RC000941 SSCW802608N SCREW P TIGHT BIND HD D2 6X8 NI 8 18...

Page 34: ...13 RC003616 BCXT811235Z CERAMIC M L 2125 TAPE 0 012UF 50V K B C15 RC001809 BCAZ814786Z ELECTROLYTIC 0 47UF 50V M C 156 C16 RC002229 BCXT511045Z CERAMIC M L 2125 TAPE 0 1UF 25V K B C17 RC008731 BCXK311050Z CERAMIC M L 2125 TAPE 1UF 16V Z F C18 RC002594 BCXT516835Z CERAMIC M L 2125 TAPE 0 068UF 25V K B C19 RC002229 BCXT511045Z CERAMIC M L 2125 TAPE 0 1UF 25V K B C20 RC000777 BCZY0120001 SEMI CONDUCT...

Page 35: ...ERAMIC 470PF 1000V K YB B C68 RC005635 BCKB134715Z CERAMIC 470PF 1000V K YB B C69 RC002229 BCXT511045Z CERAMIC M L 2125 TAPE 0 1UF 25V K B C70 RC002229 BCXT511045Z CERAMIC M L 2125 TAPE 0 1UF 25V K B C71 RC001068 BCXT811025Z CERAMIC M L 2125 TAPE 0 001UF 50V K B C72 RC002229 BCXT511045Z CERAMIC M L 2125 TAPE 0 1UF 25V K B C73 RC002229 BCXT511045Z CERAMIC M L 2125 TAPE 0 1UF 25V K B C74 RC008731 BC...

Page 36: ... M L 1608 TAPE 0 01UF 50V K B C634 RC005205 BCML811035Z CERAMIC M L 1608 TAPE 0 01UF 50V K B C635 RC004902 BCFZ111016Z ELECTROLYTIC 100UF 10V M C 258 C636 RC005209 BCMM811002Z CERAMIC M L 1608 TAPE 10PF 50V D CH C637 RC005205 BCML811035Z CERAMIC M L 1608 TAPE 0 01UF 50V K B C638 RC008446 BCSH311096Z TANTALUM CHIP 1UF 16V M C 122 TAPE C639 RC008270 BCML811235Z CERAMIC M L 1608 TAPE 0 012UF 50V K B ...

Page 37: ...076100 TRIMMER CT076 TZ3Z100FR 10PF CT601 RC005226 BCTY0096100 TRIMMER CT 096 CTZ3S10A W1PF55 DIODES D1 RC002236 BDAY0246003 AX TS 26 1N4148 T 77 D2 RC004851 BDAY0432007 ZENER HZK7C TR D3 RC002468 BDAY0492008 ZENER AX TS 26 HZ33 2 TD D4 RC002236 BDAY0246003 AX TS 26 1N4148 T 77 D5 RC002236 BDAY0246003 AX TS 26 1N4148 T 77 D6 RC004189 BDAY0866001 LED LTL 16KPE A D8 RC002236 BDAY0246003 AX TS 26 1N4...

Page 38: ...DUCTOR MOLDED CHIP TAPE LZ 181 8 2NH L606 RC005540 BLZY0080100 INDUCTOR MOLDED CHIP LZ 080 10UH K TAPE L607 RC005540 BLZY0080100 INDUCTOR MOLDED CHIP LZ 080 10UH K TAPE T1 RC003234 BTFY0265001 TRANSFORMER HYBRID TF 265 AT 24E7 1B R295403 TRANSISTORS Q1 RC002245 BDBC2714124 DB 718 2SC2714 Y TE85L Q2 RC003031 BDBC1623648 DB 380 2SC1623 L6 T1B Q3 RC001637 BDBC2712303 DB 381 2SC2712 GR TE85L Q4 RC0030...

Page 39: ...ARBON FIXED CHIP 15K 1 10W J TAPING R22 RC002330 BRFC016834Z CARBON FIXED CHIP 68K 1 10W J TAPING R23 RC002328 BRFC016814Z CARBON FIXED CHIP 680 1 10W J TAPING R24 RC002349 BRSJ221034Z METAL OXIDE 10K 1 2WS J R25 RC002350 BRSN101514Z METAL OXIDE FORMED 150 1W J P 12 5 R26 RC002308 BRFC012244Z CARBON FIXED CHIP 220K 1 10W J TAPING R27 RC002320 BRFC014714Z CARBON FIXED CHIP 470 1 10W J TAPING R28 RC...

Page 40: ...NG R78 RC004184 BRPA614734Z CARBON AX TS 26 47K 1 6W J TAPING R79 RC002323 BRFC014744Z CARBON FIXED CHIP 470K 1 10W J TAPING R80 RC002309 BRFC012254Z CARBON FIXED CHIP 2 2M 1 10W J TAPING R81 RC002812 BRFC183324Z CARBON FIXED CHIP 3 3K 1 8W J TAPING R82 RC002298 BRFC011044Z CARBON FIXED CHIP 100K 1 10W J TAPING R83 RC002296 BRFC011024Z CARBON FIXED CHIP 1K 1 10W J TAPING R84 RC002898 BRFC010004Z C...

Page 41: ...HIP 22K 1 16W J TAPING R609 RC005248 BRFC162234Z CARBON FIXED CHIP 22K 1 16W J TAPING R610 RC005256 BRFC164724Z CARBON FIXED CHIP 4 7K 1 16W J TAPING R611 RC005280 BRFC161534Z CARBON FIXED CHIP 15K 1 16W J TAPING R612 RC008029 BRFC163924Z CARBON FIXED CHIP 3 9K 1 16W J TAPING R613 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J TAPING R614 RC005280 BRFC161534Z CARBON FIXED CHIP 15K 1 16W J TAPIN...

Page 42: ... FIXED CHIP 2 2K 1 16W J TAPING R666 RC005280 BRFC161534Z CARBON FIXED CHIP 15K 1 16W J TAPING R667 RC005258 BRFC164744Z CARBON FIXED CHIP 470K 1 16W J TAPING R668 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J TAPING R669 RC005253 BRFC163324Z CARBON FIXED CHIP 3 3K 1 16W J TAPING R670 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J TAPING R671 RC005311 BRFC160004Z CARBON FIXED CHIP 0 1 16W...

Page 43: ...Z3AN 1 224N T00 RT602 RC008326 BRTY0569104 SEMI FIXED RT 569 POZ3AN 1 104N T00 RT603 RC008327 BRTY0569223 SEMI FIXED RT 569 POZ3AN 1 223N T00 SWITCHES S1 RC004253 BSWY0784001 SWITCH SW 784 KSM0611B S2 RC003604 BSWY0755001 SWITCH SW 755 SBHA12B 06 CRYSTALS X1 RC003629 BQXY0542001 CRYSTAL QX 542 3 579545MHZ X2 RC008285 BQXY0721001 CRYSTAL QX 721 10 100000MHZ X601 RC008453 BQXY0714001 CRYSTAL QX 714 ...

Page 44: ... LABEL BARCODE PAPER RC004689 PLBB454287Z LABEL BARCODE PAPER RC008232 UCZZ01221ZA OWNER S MANUAL RC008233 UCZZ69221ZZ QUICK REFERENCE GUIDE RC008468 WCTZ442432Z SHIPPING CARTON BOX RC008355 WSLV442755Z SLEEVE RC008356 WSLV443212Z SLEEVE RC008357 WSLV443213Z SLEEVE RC008351 VNYH1303500 VINYL BAG 300X350X0 05T HIPE RC008352 VNYL2303040 VINYL BAG 300X300X400X0 07T RC008353 VNYL3101000 VINYL BAG 100X...

Page 45: ...z 19 902 952467MHz 926 897468MHz 20 903 002467MHz 926 947468MHz 21 903 052467MHz 926 997467MHz 22 903 102467MHz 927 047467MHz 23 903 152467MHz 927 097467MHz 24 903 202468MHz 927 147467MHz 25 903 252468MHz 927 197467MHz 26 903 302468MHz 927 247467MHz 27 903 352468MHz 927 297467MHz 28 903 402468MHz 927 347466MHz 29 903 452468MHz 927 397466MHz 30 903 502468MHz 927 447466MHz 31 903 552468MHz 927 49746...

Page 46: ...On hook Impedance 20Hz 75Vrms 4 Minimum Ringer Input Level 5 Pulse Dialing a Dialing Rate 10pps b Make Ratio 10pps 6 DTMF Output 600Ω Load a Minimum Level of Single Tone Low Group High Group b DTMF Level c DTMF Frequency Row 1 Row 2 Row 3 Row 4 Column 1 Column 2 Column 3 d Signal Length e Interdigital Pause UNIT dBm dB dB dB kHz kHz dB dB dBm UNIT dBm dBm dB dB Hz kHz dB dB dB UNIT OHM OHM kOHM Vr...

Page 47: ...Stand by Charge Off b Stand by Charge On c Talk 2 Charge Current at BATTERY 3 Portable Unit a Stand by b Talk 4 Battery Low Detect Voltage UNIT dBm dB dB dB dB dB dBV dB kHz kHz dB dB DBSPL DBSPL DBSPL DBSPL UNIT dBm mV dB dB Hz kHz dB dB dB UNIT mA mA mA mA mA mA V NOMINAL 115 3 5 3 0 17 10 5 29 1 5 70 15 15 30 45 80 70 75 60 NOMINAL 5 0 9 0 0 5 0 8 0 1 5 55 55 35 NOMINAL 62 166 100 45 3 3 75 3 3...

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