Toshiba FT-7807R Service Manual Download Page 10 | Manualshive

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SCHEMATIC DIAGRAMS

TEST

POINT

(RF)

TEST

POINT

(RX

VCO)

TEST POINT(TX VCO)

TEST POINT

(Discriminator)

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Summary of Contents for FT-7807R

Page 1: ...CORDLESS TELEPHONE SERVICE MANUAL PUBLISHED IN JAPAN Jun 1998 FT 7807R FILE NO 2B0 9803 ...

Page 2: ...passive 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 chass...

Page 3: ...id mem talk icon Blinks while the handset is connecting to the base unit when a channel is being changed Displayed during a call in progress on the handset Displayed during the caller ID review mode call id icon mem icon Displayed while data is being stored in an deleted from memory while the Function Mode is in use Dot matrix display Twelve digits by two lines dot matrix LCD Shows the time caller...

Page 4: ...re Step Adjustment Remarks 1 L10 Connect the oscilloscope across a 50 ohm load to RF test point Set the digital voltmeter at the test point of TX VCO Adjust L10 to indicate DC 2 8 0 05 V VCO 2 Connect the frequency counter across a 50 ohm dummy load to RF test point Make sure that the frequency is 46 770 MHz 1500 Hz Alignment Point Location on Main Base Unit PCB AC Adapter 120V 60Hz Base Unit J2 D...

Page 5: ...1 mV 1 kHz 3 kHz deviation L6 Set T P SW to TONE Mode Press the Page key once then CH changes to CH 8 Connect the AF SSVM to the TEL LINE across a 600 ohm dummy load Keep the SINAD reading at 12 dB by adjusting the SG output Adjust L6 for maximum SINAD reading Preset a Set T P SW to Pulse Mode b Turn on AC power while the Page key is being depressed c Release the Page key about 2 seconds later the...

Page 6: ...ct the frequency counter across a 50 ohm dummy load to RF test point Make sure that the frequency is 49 830 MHz 1500 Hz Alignment Point Location on Main Handset Unit PCB Preset Turn Power on while depressing and keys A beep will be heard Then the TX Mode is entered CH21 Handset Unit Batt Terminal DC Power Supply 3 6V Dummy Load 50 ohm Frequency Counter Digital Voltmeter TX VCO Test Point RF Test P...

Page 7: ...inator Adjust for 1 1 V DC at CH21 3 SG 1 mV CH21 1 kHz 3 kHz dev RT501 Connect the VTVM to the speaker terminal Adjust for 115 mV on the VTVM SP OUT at CH21 4 SG 158 µV CH16 1 kHz 3 kHz dev L510 Press the CH twice to change the channel to CH16 Adjust for maximum SINAD on the SINAD METER at CH16 5 SG 3 µV CH16 1 kHz 3 kHz dev L510 Adjust for maximum SINAD on the SINAD meter at CH16 6 SG 1 µV CH16 ...

Page 8: ... 7 ...

Page 9: ... 8 ...

Page 10: ... 9 10 SCHEMATIC DIAGRAMS TEST POINT RF TEST POINT RX VCO TEST POINT TX VCO TEST POINT Discriminator ...

Page 11: ... 11 12 TEST POINT RF TEST POINT RX VCO TEST POINT Discriminator TEST POINT TX VCO ...

Page 12: ...n the TEL SG is joined with the base to make bell signal is there pulse wave on Pin 4 of IC3 By using voltage chart check IC3 IC3 is defective Check TEL network primary circuit NG OK NG NG OK OK Then is there pulse wave on Pin30 of IC2 Check IC2 R30 and R48 IC2 is defective By using voltage chart check IC2 Check the surrounding circuit where the voltage is incorrect NG OK OK NG ...

Page 13: ... R505 C511 and C539 OK NG OK OK OK OK NG NG NG NG Press handset DIAL key while in TALK MODE Can key touch sound be heard from the ringer When the key of the handset is pressed can the pulse output at pin 58 of IC503 be seen At the Q507 and Q512 collector can the pulse wave be seen RINGER is defective Check IC503 Check R556 R561 R569 Q507 and Q512 When the PAGE SW of the base is pressed does Pin 28...

Page 14: ...deviation Check the handset MIC sensitivity Check the handset data circuit R540 R541 R584 and R587 By using voltage chart check the handset TX circuit Check the handset TX AF circuit around Pins 17 19 21 of IC504 Check the base RX sensitivity Then can the sine wave be seen at Pin 24 of IC1 Check the base RX TEL OUT Check the base RX RF and mixer circuit around Q1 as well as FT3 and FT2 In the base...

Page 15: ...etwork primary circuit See 3 The base and handset cannot connect Check the base RELAY control around Pin23 of IC2 Can the base and handset be connected While in TALK MODE press dial key of the handset From the speaker does the TONE ring up Check the base TEL line circuit and RELAY control circuit Check the base modulation sensitivity At Pin 20 of IC5 of the base can the TONE wave output be seen Ch...

Page 16: ...and input signal of 1mV can the sine wave be seen at Pin 25 of IC1 Check the base IF circuit around Pins 26 29 of IC1 Then can the sine wave be seen at Pin 24 of IC1 Check circuit around Pin 24 of IC1 Then can the sine wave be seen at the Q2 collector Check Q2 and the sorrounding circuit of Q2 NG OK OK OK NG NG OK NG NG OK OK NG Check the sorrounding circuit of T1 Check the base RX TEL line out Ch...

Page 17: ...at Pin 24 of IC504 Then can the sine wave be seen at Pin 46 of IC504 and C515 Then can the sine wave of the handset SP Limit be seen SP of handset is defective Check the handset IF circuit around Pins 26 29 of IC504 Check circuit around Pin 24 of IC504 Check around Pins 44 46 52 of IC504 The wire connecting the handset SP is cut NG OK OK NG OK OK OK OK NG NG NG NG NG Check the base TX power Check ...

Page 18: ... 9 0 2 Q14 C 0 0 0 7 E 3 7 0 7 B 4 9 4 0 Q15 C 0 0 4 7 E 4 8 4 7 B 0 0 4 0 Q16 C 0 0 4 7 E 4 7 4 7 Unit V Ref No Pin STBY TALK Note B 0 0 0 8 0 7 Q501 C 0 0 3 2 3 3 E 0 0 0 1 B 0 0 1 0 Q502 C 0 0 1 9 E 0 0 0 3 B 2 8 3 3 2 5 Q503 C 0 0 3 2 E 3 3 3 3 B 0 0 0 6 0 8 Q504 C 0 0 1 4 3 4 E 0 0 0 1 B 0 0 1 4 2 2 Q505 C 0 0 3 2 E 0 0 0 7 1 4 B 3 2 2 7 Q506 C 0 0 2 0 3 3 E 3 3 3 3 B 3 0 3 0 Q507 C 0 0 0 0 E...

Page 19: ... 0 0 3 0 5 42 0 0 0 1 43 0 0 0 0 44 1 5 1 5 45 1 5 1 5 46 1 5 1 5 47 4 7 4 7 48 1 5 1 5 49 0 0 1 5 50 0 0 0 0 51 0 0 0 0 52 1 5 1 5 Unit V Ref No Pin STBY TALK Note 1 0 4 9 4 9 DATA 2 4 9 4 9 3 4 9 0 1 4 0 0 0 0 5 0 0 0 0 6 0 0 0 0 7 0 0 0 0 8 0 0 0 0 9 0 0 0 0 10 0 0 0 0 11 0 0 0 0 12 0 0 0 0 13 0 0 0 0 14 2 0 3 6 2 0 3 6 15 2 0 3 1 2 0 3 2 16 0 0 0 0 17 4 9 4 9 18 4 9 0 0 19 0 0 0 0 20 0 0 0 0 2...

Page 20: ... 0 0 3 0 0 0 0 IC103 4 0 5 0 5 1 0 0 0 0 2 0 0 0 0 3 0 0 0 0 IC501 4 0 0 0 0 Unit V Ref No Pin STBY TALK Note 5 3 3 3 2 6 0 0 3 2 7 0 0 0 0 IC501 8 3 3 3 3 1 3 3 3 3 IC502 2 3 3 3 3 3 0 0 0 0 1 3 3 3 3 2 0 0 0 0 3 0 0 0 0 4 0 0 0 0 5 0 0 0 0 6 0 0 0 0 7 0 0 0 0 8 0 0 0 0 9 0 0 0 0 10 0 0 0 0 11 3 3 3 3 12 0 0 0 0 13 0 0 0 0 14 3 3 3 3 15 1 1 3 2 3 2 16 0 0 0 0 17 3 3 3 3 18 0 0 0 0 19 3 3 3 2 20 0...

Page 21: ...0 0 13 0 0 3 2 0 0 14 0 0 0 0 15 0 0 3 2 0 0 3 2 DATA 16 0 0 33 3 2 17 0 0 1 5 18 0 0 3 3 3 2 19 0 0 1 5 20 0 0 1 5 21 0 0 1 5 22 0 1 1 8 2 5 23 0 0 3 3 3 3 24 0 0 1 5 25 0 1 2 2 0 8 1 4 26 0 0 0 5 0 9 27 0 0 3 4 3 0 3 4 28 0 0 2 6 2 1 2 6 29 0 0 3 3 3 3 30 0 0 2 6 2 6 31 0 0 2 6 2 6 32 0 0 2 6 2 6 33 0 0 0 1 IC504 34 0 0 3 3 3 2 Unit V Ref No Pin STBY TALK Note 35 0 0 2 0 36 0 0 0 1 37 0 0 1 8 2 ...

Page 22: ...D6 D105 D106 D107 D108 D110 D111 RLS4148 Cathode Anode Cathode Anode D3 KV1832C Cathode Anode Q1 Q3 Q4 2SC2714 Y Q2 Q5 Q6 Q8 Q9 Q11 2SC2712 GR Q12 Q13 Q14 Q15 Q16 2SA1162 G C B E B Base E Emitter C Collector E C B B Base E Emitter C Collector Anode Cathode D9 D10 LTL 16KPE A D11 LTL 16KGE A Q7 2SC2120 Y Q10 2SC1815 Y ...

Page 23: ...50 51 52 LO2 In LO2 Out Rx PD PLL Vref Tx PD GND PLL TX VCO Data En Clk Clk Out CD Out Vag Mix1 In1 Mix1 In2 Mix1 Out GND RF Mix2 Out Mix2 In SGND RF Lim In Lim C1 Lim C2 Vcc RF Q Coil BD1 Out DA Out BD2 Out Tx Out C Cap C In Amp Out Vcc Audio DA In Rx Audio In RSSI VB Ref1 Ref2 Scr Out E In E Cap E Out SA In SA Out GND Audio V Cap Ctrl LO1 Out LO1 In Lim Out Tx In P14 P15 P16 P17 Vss Vdd NC P00 P...

Page 24: ... Anode D501 KV1832C Cathode Anode Q501 Q504 Q505 2SC2714 Y Q502 Q511 Q512 Q514 Q515 Q516 2SC2712 GR Q503 Q506 Q507 Q508 Q509 Q510 Q513 2SA1162 G C B E B Base E Emitter C Collector D505 D507 PG3822K Cathode Anode D511 DCB010 C A A C A A C D504 1SS226 D508 D509 HSM88WA A A C C ...

Page 25: ...LO1 Out LO1 In Lim Out Tx In IC503 MB89627R 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 P46 INT26 P47 INT27 P50 AN0 P51 AN1 P52 AN2 P53 AN3 P54 AN4 P55 AN5 P56 AN6 P57 AN7 AVcc AVss P60 INT10 P61 INT11 MOD0 MOD1 X0 X1 Vss P27 P26 P25 P24 P23 P21 PPGI P20 PWCI P...

Page 26: ... 27 ...

Page 27: ... 28 ...

Page 28: ... 29 ...

Page 29: ... 30 EXPLODED VIEW AND MECHANICAL PARTS LIST Base Unit ...

Page 30: ... 7 RC002384 LFUT428079Z Foot Bumpon SJ 5916 1 6T 2 8 RC005526 GCAS456906Z Hook ABS 1 9 RC005525 GCAS456905Z LED Lens PMMA 1 10 RC000941 SSCW802608N Screw P Tight Bind HD D2 6X8 NI 3 11 RC004028 SSCW802616N Screw P Tight Bind HD D2 6X16 NI 4 12 RC001752 SSCW283012N Screw Tapping Bind SP Washer D3X12 NI 1 13 RC005524 GCAS356904Z Desk Top Wall Mount Bracket ABS 1 14 RC005533 RUTC457141Z Wool Coated P...

Page 31: ... 32 Handset ...

Page 32: ...ne 1 61 RC005562 RCUN454106Z Cushion Neoprene 1 62 RC004687 RCUM441420A Cushion Batt Moltprene Nitto 500 1 63 RC005556 LHDZ455784Z Dual Holder EPDM 1 64 RC005544 GHDZ456417Z Holder Display PC 1 65 RC005545 HHDZ456419Z Holder Display SPTE 1 66 RC005550 GHDZ356415Z Holder Speaker ABS 1 67 RC003990 SSCW282616N Screw Tapping Bind SP Washer D2 6X16 NI 1 68 RC005557 LNBZ356400Z Key Rubber SI 1 69 RC0055...

Page 33: ... RC004494 BCUB511045Z CERAMIC 0 1UF 25V K B C10 RC004502 BCUB814735Z CERAMIC 0 047UF 50V K B C11 RC004477 BCUA811002Z CERAMIC 10PF 50V D CH C12 RC004741 BCUP811040Z CERAMIC 0 1UF 50V Z F C14 RC004739 BCUB813335Z CERAMIC 0 033UF 50V K B C15 RC004498 BCUB811535Z CERAMIC 0 015UF 50V K B C16 RC004494 BCUB511045Z CERAMIC 0 1UF 25V K B C17 RC004494 BCUB511045Z CERAMIC 0 1UF 25V K B C18 RC000777 BCZY0120...

Page 34: ...235Z CERAMIC 0 022UF 50V K B C58 RC004562 BCUB814725Z CERAMIC 0 0047UF 50V K B C59 RC004497 BCUB811035Z CERAMIC 0 01UF 50V K B C60 RC004479 BCUA811204Z CERAMIC 12PF 50V J CH C61 RC004478 BCUA811014Z CERAMIC 100PF 50V J CH C62 RC004482 BCUA812204Z CERAMIC 22PF 50V J CH C63 RC005388 BCUA813904Z CERAMIC 39PF 50V J CH C64 RC004496 BCUB811025Z CERAMIC 0 001UF 50V K B C65 RC004502 BCUB814735Z CERAMIC 0 ...

Page 35: ...2Z CERAMIC 7PF 50V D CH C120 RC004494 BCUB511045Z CERAMIC 0 1UF 25V K B C121 RC004494 BCUB511045Z CERAMIC 0 1UF 25V K B C122 RC004562 BCUB814725Z CERAMIC 0 0047UF 50V K B C123 RC004500 BCUB812235Z CERAMIC 0 022UF 50V K B C124 RC004508 BCXC311050Z CERAMIC 1UF 16V Z F C501 RC004497 BCUB811035Z CERAMIC 0 01UF 50V K B C502 RC004477 BCUA811002Z CERAMIC 10PF 50V D CH C503 RC004482 BCUA812204Z CERAMIC 22...

Page 36: ...811025Z CERAMIC 0 001UF 50V K B C543 RC004485 BCUA813304Z CERAMIC 33PF 50V J CH C544 RC004497 BCUB811035Z CERAMIC 0 01UF 50V K B C545 RC004496 BCUB811025Z CERAMIC 0 001UF 50V K B C546 RC004558 BCUA811804Z CERAMIC 18PF 50V J CH C547 RC004478 BCUA811014Z CERAMIC 100PF 50V J CH C548 RC004487 BCUA814704Z CERAMIC 47PF 50V J CH C549 RC004477 BCUA811002Z CERAMIC 10PF 50V D CH C550 RC004558 BCUA811804Z CE...

Page 37: ... RC004497 BCUB811035Z CERAMIC 0 01UF 50V K B C590 RC004497 BCUB811035Z CERAMIC 0 01UF 50V K B DIODES D1 RC002470 BDAY0492033 ZENER HZ7C3 TD D2 RC001826 BDAY0433001 DIODE RLS4148 TE11 D3 RC005088 BDAY0943001 DIODE KV1832C A TR D4 RC002471 BDAY0492045 ZENER HZ6C3 TD D5 RC002236 BDAY0246003 DIODE 1N4148 T 77 D6 RC001826 BDAY0433001 DIODE RLS4148 TE11 D7 RC002236 BDAY0246003 DIODE 1N4148 T 77 D8 RC002...

Page 38: ...0 7MS2 M FT504 RC004397 BFLY0742001 FILTER FL 742 H829D 1001TX IC s IC1 RC004706 BDEY2916001 MC13111FB IC2 RC008808 BDDY0722003 UC2181B PD S TX IC3 RC000802 BDEY0577001 PC817 or RC000802 BDEY0577001 TLP521 1 IC4 RC005075 BDEY2938003 RH5VL40CA T1 or RC005075 BDEY2938003 S80740AL A4 T1 IC5 RC005516 BDEY1058003 LC7366NM TP T2 IC101 RC008809 BDEY3544003 MT88E43ASR IC103 RC000802 BDEY0577001 PC817 or R...

Page 39: ...CTOR LZ 080 10UH K TAPE T1 RC003234 BTFY0265001 TRANSFORMER TF 265 IT 24E 1B R295403 TRANSISTORS Q1 RC002245 BDBC2714124 TRANSISTOR DB 718 2SC2714 Y TE85L Q2 RC001637 BDBC2712303 TRANSISTOR DB 381 2SC2712 GR TE85L Q3 RC002245 BDBC2714124 TRANSISTOR DB 718 2SC2714 Y TE85L Q4 RC002245 BDBC2714124 TRANSISTOR DB 718 2SC2714 Y TE85L Q5 RC001637 BDBC2712303 TRANSISTOR DB 381 2SC2712 GR TE85L Q6 RC001637...

Page 40: ...004746 BRFX016804Z CARBON 68 1 10W J BULK R11 RC004745 BRFX015614Z CARBON 560 1 10W J BULK R12 RC004745 BRFX015614Z CARBON 560 1 10W J BULK R13 RC004548 BRFX018224Z CARBON 8 2K 1 10W J BULK R14 RC004548 BRFX018224Z CARBON 8 2K 1 10W J BULK R15 RC004546 BRFX016834Z CARBON 68K 1 10W J BULK R16 RC004544 BRFX016814Z CARBON 680 1 10W J BULK R17 RC004514 BRFX011044Z CARBON 100K 1 10W J BULK R18 RC004510...

Page 41: ...334Z CARBON 33K 1 10W J BULK R57 RC004545 BRFX016824Z CARBON 6 8K 1 10W J BULK R58 RC004539 BRFX014734Z CARBON 47K 1 10W J BULK R59 RC004545 BRFX016824Z CARBON 6 8K 1 10W J BULK R60 RC004965 BRFX184724Z CARBON 4 7K 1 8W J BULK R61 RC004756 BRFX184734Z CARBON 47K 1 8W J BULK R62 RC004512 BRFX011024Z CARBON 1K 1 10W J BULK R63 RC004512 BRFX011024Z CARBON 1K 1 10W J BULK R64 RC004512 BRFX011024Z CARB...

Page 42: ... R106 RC004532 BRFX012744Z CARBON 270K 1 10W J BULK R107 RC004532 BRFX012744Z CARBON 270K 1 10W J BULK R108 RC004542 BRFX015634Z CARBON 56K 1 10W J BULK R109 RC004542 BRFX015634Z CARBON 56K 1 10W J BULK R110 RC004542 BRFX015634Z CARBON 56K 1 10W J BULK R111 RC004546 BRFX016834Z CARBON 68K 1 10W J BULK R112 RC004540 BRFX014744Z CARBON 470K 1 10W J BULK R113 RC004540 BRFX014744Z CARBON 470K 1 10W J ...

Page 43: ...Z CARBON 10K 1 10W J BULK R506 RC004512 BRFX011024Z CARBON 1K 1 10W J BULK R507 RC004512 BRFX011024Z CARBON 1K 1 10W J BULK R508 RC004767 BRFX012233Z CARBON 22K 1 10W F BULK R509 RC004517 BRFX011244Z CARBON 120K 1 10W J BULK R510 RC004767 BRFX012233Z CARBON 22K 1 10W F BULK R511 RC004512 BRFX011024Z CARBON 1K 1 10W J BULK R512 RC004538 BRFX014724Z CARBON 4 7K 1 10W J BULK R513 RC004551 BRFX181024Z...

Page 44: ...3304Z CARBON 33 1 10W J BULK R553 RC004513 BRFX011034Z CARBON 10K 1 10W J BULK R554 RC004513 BRFX011034Z CARBON 10K 1 10W J BULK R555 RC004513 BRFX011034Z CARBON 10K 1 10W J BULK R556 RC004534 BRFX013324Z CARBON 3 3K 1 10W J BULK R557 RC004534 BRFX013324Z CARBON 3 3K 1 10W J BULK R558 RC004756 BRFX184734Z CARBON 47K 1 8W J BULK R559 RC004513 BRFX011034Z CARBON 10K 1 10W J BULK R560 RC004514 BRFX01...

Page 45: ...C004514 BRFX011044Z CARBON 100K 1 10W J BULK R596 RC004512 BRFX011024Z CARBON 1K 1 10W J BULK R597 RC004512 BRFX011024Z CARBON 1K 1 10W J BULK R598 RC004572 BRFX013934Z CARBON 39K 1 10W J BULK R599 RC004512 BRFX011024Z CARBON 1K 1 10W J BULK R601 RC004509 BRFX010004Z CARBON 0 1 10W J BULK R602 RC004509 BRFX010004Z CARBON 0 1 10W J BULK R606 RC004550 BRFX180004Z CARBON 0 1 8W J BULK R607 RC004509 B...

Page 46: ...01872 BWZY1101001 CORD TEL CORD WZ 1101 230W P PACKING PARTS RC005198 UDZZ73535ZZ CAUTION BELT RC004291 WETC420086Z COVER ANT EPE RC008724 WBXZ358279Z DISPLAY BOX RC004688 PLBB454286Z LABEL BARCODE PAPER RC004689 PLBB454287Z LABEL BARCODE PAPER RC008740 UDZZ01559ZZ OWNER S MANUAL RC005458 WSLV429033Z PACKING BAG MIRA MAT RC005566 WSLV156469Z PULPMOLD PAD RC005564 UDZZ69545ZZ QUICK REFERENCE GUIDE ...

Page 47: ...art numbers are not available as replacement parts Order parts necessary for repair or contact the Toshiba Factory Service Center LOC NO PART NO REF NO DESCRIPTION RC008805 AD559ZLBA BASE MAIN ASSEMBLY RC008806 AD559ZLPA HANDSET MAIN ASSEMBLY ...

Page 48: ... 280 MHz 44 320 MHz 12 49 360 MHz 44 360 MHz 13 49 400 MHz 44 400 MHz 14 49 460 MHz 44 460 MHz 15 49 500 MHz 44 480 MHz 16 49 670 MHz 46 610 MHz 17 49 845 MHz 46 630 MHz 18 49 860 MHz 46 670 MHz 19 49 770 MHz 46 710 MHz 20 49 875 MHz 46 730 MHz 21 49 830 MHz 46 770 MHz 22 49 890 MHz 46 830 MHz 23 49 930 MHz 46 870 MHz 24 49 990 MHz 46 930 MHz 25 49 970 MHz 46 970 MHz 4 Telephone Line Voltage Load ...

Page 49: ...uency Tolerance Hz 600 1500 TELEPHONE LINE 1 Off hook Impedance at 1 kHz ohm 1000 230 1570 2 Off hook DC Resistance DC 40 mA ohm 230 100 300 3 Minimum Ringer Input Level at 20 Hz Vrms 23 40 TELEPHONE DIAL UNIT 1 PULSE DIALING a Dialing Rate 10 pps pps 10 8 11 b Make Ratio 10 pps 40 36 42 2 DTMF DIALING a DTMF Frequency Row 1 Hz 697 687 707 Row 2 Hz 770 759 781 Row 3 Hz 852 840 864 Row 4 Hz 941 927...

Page 50: ...ge mA 1 0 1 5 b In use mA 30 45 3 Battery Charge Current with Full charged Battery mA 19 14 29 Battery Low Light Turn on Level 3 05 to 3 55 V Battery 270 mAH 1 2 V x3 3 6 Mode Switch DTMF Pulse 10 pps Selectable Memory 1 Redial Memory 32 digits 20 Dial Memories Number 16 digits Name 12 digits Backup Time min 24 hours 40 CID Memories Number 16 digits Name 16 digits Backup Time min 24 hours Operatin...

Page 51: ... power ON while pressing the handset and buttons at the same time for about 1 second 2 Press CID Caller ID button Then the Caller ID memory will be deleted with the confirmation beep sound Information of the Serial No for Model FT 7807R The production of Model FT 7807R was started in April 1998 and the Serial No started from 846000001 ...

Page 52: ...MECHANICAL PARTS LIST ...

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