Toshiba FT-8959 Service Manual Download Page 1

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CORDLESS TELEPHONE

SERVICE MANUAL

FILE NO. 2B0-9908

FT-8959

PUBLISHED IN JAPAN, Oct., 1999

Summary of Contents for FT-8959

Page 1: ...CORDLESS TELEPHONE SERVICE MANUAL FILE NO 2B0 9908 FT 8959 PUBLISHED IN JAPAN Oct 1999 ...

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Page 3: ... TEL LINE jack DC IN 9V jack CHARGE LED Tone Pulse switch Line ringer volume switch Antenna MEM Memory button PAUSE button SPEAKER button SPEAKER LED Green SPEED DIAL INDEX INTCOM button HOLD button Microphone REC TIME switch ANN 4 1 RING TIME switch 2 4 TS FLASH RDL button PIN button CLOCK button SKIP button MEMO REC 2WAY REC button DELETE button VOLUME button POWER LED IN USE LED TONE button REP...

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Page 10: ...BND U IC401 HD6433624A05H IC403 1605J ELR30 DB IC409 KM29W040AT IC401 T7503 1EC IC402 MC34119D SP701 SP 166 D757 SML 310LT D755 LTD 482P 03 D758 SML 310LT IC16 PC817CD IC14 PC817CD IC13 M5223FP 1 2 RL1 RL 042 IC13 M5223FP 2 2 IC15 LA8633V IC17 MC3361CDR2 FT2 FL 974 FT1 FL 971 Q4 2SC2714 Y X1 QX 724 IC18 M5223FP 1 2 IC18 M5223FP 2 2 Q2 2SA812 M M64 Q11 2SC1623 L6 Q1 2SC1623 L6 Q3 2SC2712GR Q6 2SA81...

Page 11: ...43 DQGVHW 8QLW ...

Page 12: ...11 12 SCHEMATIC DIAGRAMS Base Unit Main ...

Page 13: ...13 14 Base Unit DSP ...

Page 14: ...15 16 Base Unit Key ...

Page 15: ...17 18 Handset ...

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Page 23: ...3 1 49 313 813 4 313 813 4 813 813 23 1 4 417 417 23 1 53 519 519 54 319 319 55 519 519 56 519 519 57 519 519 4 313 313 49 5 313 313 6 313 313 1 5HI 1R1 3 1 67 7 127 49 7 813 813 4 813 813 5 718 718 6 718 718 7 8 8 8 718 718 9 718 718 718 718 4 813 813 513 513 43 31 31 44 31 31 45 31 31 46 813 313 47 313 313 23 1 48 313 313 1 49 813 813 4 513 513 5 513 513 6 513 513 4 7 313 313 1 8 513 513 9 513 5...

Page 24: ... 3 3 1 7 3 3 8 315 315 734 9 3 3 315 315 715 715 715 715 43 3 3 1 44 3 3 45 3 3 5HI 1R1 3 1 67 7 127 46 3 3 47 315 315 48 3 3 734 49 315 315 4 3 3 4 3 3 1 4 3 3 23 1 53 3 3 4 619 619 5 515 515 6 515 515 735 7 515 515 8 515 515 9 815 815 3 3 1 515 515 4 3 3 5 815 815 6 3 3 7 3 3 8 3 3 9 3 3 3 3 3 3 3 3 43 3 3 23 1 44 3 3 45 3 3 23 1 46 3 3 23 1 736 47 3 3 23 1 48 3 3 23 1 49 3 3 23 1 4 3 3 23 1 4 3...

Page 25: ...5 815 23 1 8 815 815 93 3 3 94 815 3 95 3 3 1 96 3 3 23 1 97 3 3 23 1 98 815 815 99 3 3 9 3 3 9 3 3 9 815 815 3 815 815 4 815 815 5 815 815 5HI 1R1 3 1 67 7 127 6 3 3 23 1 7 3 3 8 3 3 736 9 3 3 3 3 3 3 3 3 3 3 3 4 3 3 1 73 5 815 815 6 71 71 4 3 3 1 5 3 3 6 3 3 7 815 815 8 815 815 9 3 3 23 1 3 3 23 1 3 3 23 1 3 3 23 1 43 3 3 23 1 44 3 3 23 1 45 3 3 23 1 46 3 3 23 1 47 3 3 23 1 48 3 3 23 1 73 49 3 3...

Page 26: ...58 813 813 59 8 8 5 3 3 5 3 3 5 3 3 63 3 3 64 3 3 65 3 3 66 3 3 67 3 3 68 3 3 69 3 3 6 71 71 5HI 1R1 3 1 67 7 127 6 3 3 6 3 3 73 8 8 74 3 3 75 3 8 76 3 3 77 3 3 78 3 3 79 3 3 7 3 3 7 3 3 7 8 8 83 3 3 23 1 743 84 3 3 23 1 85 3 3 23 1 86 3 3 23 1 87 3 3 23 1 88 3 3 89 619 619 8 3 3 23 1 8 3 3 23 1 8 3 3 23 1 93 3 3 23 1 94 3 3 23 1 95 3 3 96 3 3 97 619 619 4 3 3 1 744 5 3 3 6 3 3 4 3 3 23 1 5 8 8 6 ...

Page 27: ... 76 3 3 1 77 3 3 78 3 3 79 3 3 7 3 3 7 3 3 315 315 44 519 519 31 31 513 513 45 513 513 813 417 319 319 46 813 813 313 313 5HI 1R1 3 1 67 7 127 315 315 47 618 618 31 31 313 313 1 48 813 313 313 319 513 513 49 513 513 813 417 313 313 4 813 813 313 313 313 313 4 313 313 313 313 1 313 4 313 313 313 317 319 319 443 813 813 415 415 513 513 444 813 813 313 313 315 315 445 415 415 31 31 81 81 446 1 1 918 ...

Page 28: ...6 416 31 31 313 613 453 313 519 813 519 13 13 454 15 15 15 15 815 815 4733 815 815 719 719 313 313 1 4734 813 813 719 719 313 313 4737 815 815 313 313 313 313 1 4738 313 313 513 513 313 313 4739 71 71 313 313 313 313 1 473 313 313 313 313 815 815 4 86 815 815 717 717 ...

Page 29: ...3 418 54 30316 319 55 313 418 56 313 418 57 313 418 4 313 313 23 1 937 5 618 617 6 313 313 1 7 313 313 1 5HI 1R1 3 1 67 7 127 8 313 513 9 30618 513 618 617 313 313 1 313 313 23 1 43 313 313 23 1 44 313 617 45 313 617 46 313 617 47 313 617 48 313 313 49 618 30316 4 313 313 23 1 4 313 313 23 1 4 313 313 1 53 313 313 23 1 54 313 313 55 313 313 56 313 313 57 313 313 58 313 313 937 59 4130613 617 5 413...

Page 30: ...0513 41 3031 31 313 313 4935 30513 41 3031 31 30613 613 4936 313 51 30517 515 313 317 4937 313 41 313 413 313 318 4938 61 519 313 415 313 318 4939 61 518 313 415 313 313 1 493 313 313 313 313 313 313 493 61 61 313 313 313 313 1 493 313 313 313 313 313 313 1 4943 61 61 313 313 313 313 1 4944 618 617 313 313 5HI 1R1 3 1 67 7 127 313 616 4945 30318 418 30318 418 ...

Page 31: ...K OUT 11 GND 12 ST BY Mixer Input 16 Ground 15 Audio Mute 14 Scan Control 13 Squelch 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 D3 D4 RLS4148 D15 D214 HZK6C Anode Cathode Anode Cathode D761 NNCD6 2F D757 D758 SML 310LT D759 D760 SML 310MT Anode Cathode Cathode D6 D8 1SS226 Anode Cathode Anode Cathod...

Page 32: ...OUT 34 NC 35 XTAL 2IN 36 XTAL 2OUT 37 V SS 38 RSTB 39 VDDPU 40 64 NC 63 NC 62 VSS 61 SCKA 60 SDI 59 WE 58 NC 57 NC 56 VROM Chip Enable 55 VAB14 54 VAB15 CS CONF2 53 NC 52 VAB16 CONF0 51 R B DO 50 NC 49 Flash Chip Select CONF1 48 Read Enable SK CONF3 47 Address Latch Enable DI 46 Command Latch Enable 45 VSS 44 CKO 43 NC 42 VSS 41 VDD 80 HDB1 79 HDB2 78 HDB3 77 HDB4 76 HDB5 75 HDB6 74 HDB7 73 NC 72 ...

Page 33: ...2 32 P03 L13 31 P04 L14 30 P05 L15 29 P06 L16 28 P07 L17 27 P10 26 P11 25 1 NC 2 RST 3 MDD0 4 MDD1 5 X0 6 X1 7 Vcc 8 NC 9 NC 10 P27 11 P26 12 P25 IC604 MB89174LPF IC605 TK11130SCL V DET 2 5 V IN 2 4 1 V DET 1 2 V IN 1 3 V SS IC606 XC612N3328MR IC603 LA8633VU IC601 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 ...

Page 34: ...6 75 3 576 2 7 21 DVH 8QLW 0DLQ 3 ...

Page 35: ...6 DVH 8QLW 63 3 ...

Page 36: ...6 DVH 8QLW H 3 ...

Page 37: ...73 DQGVHW 0DLQ 3 ...

Page 38: ...41 42 WIRING DIAGRAMS Base Unit ...

Page 39: ...76 DQGVHW ...

Page 40: ...77 3 2 9 6 1 0 1 3 576 67 DVH 8QLW 9 12 17 4 32 11 6 24 22 28 14 27 13 1 19 18 26 22 5 31 2 16 10 15 22 8 30 23 25 22 22 24 21 ANTENNA 29 7 20 24 7 3 RF MODULE BASE KEY PCB SPEAKER MAIN PCB ...

Page 41: ... HOLDER DISPLAY ABS 4 48 5 33 93 3 775 6 LABEL TA POLYESTER 4 49 5 33865 3 789 4 LABEL INDICATION 4 4 5 33 943 3 775 8 LABEL INDICATION 4 4 5 33 4 678 4 LED LENS PMMA 4 4 5 33 6 678 867 LED LENS PMMA 4 53 5 33 93 3 775 7 LABEL BARCODE PAPER 4 54 5 3389 3 78 3 PLATE DISPLAY PC 4 55 5 333 74 66 3593 1 SCREW P TIGHT BIND HD D2 6 8 NI 58 56 5 33 5 66 4 53381 SCREW BIND HD M2 5 NI 7 57 5 33735 66 35949...

Page 42: ...79 DQGVHW 7 8 4 1 16 17 17 5 10 15 11 12 2 9 6 13 14 3 17 RF MODULE HANDSET MAIN PCB ASSY ...

Page 43: ...LASTOMER 4 5 33 35 668 COVER BATTERY ABS 4 5 33 67 5 80774483 CUSHION MOLTPRENE 40 20 8 4 5 33 67 5 81775766 CUSHION NEOPRENE 4 43 5 33 3 789 9 HOLDER MIC EPDM 4 44 5 33 66 675666 HOLDER SPEAKER ABS 4 45 5 33 677 1 675668 KEY RUBBER SI 4 46 5 33 947 3 6775 9 LABEL ID 4 47 5 33 676 3 77566 PLATE DISPLAY PMMA 4 48 5 33 5 66 4 53381 SCREW BIND HD M2 5 NI 7 49 5 33665 66 359431 SCREW P TIGHT BIND HD D...

Page 44: ... L 1608 0 01UF 50V K B C11 RC008008 BCMM812714Z CERAMIC M L 1608 270PF 50V J CH C12 RC005202 BCML311045Z CERAMIC M L 1608 0 1UF 16V K B C13 RC005202 BCML311045Z CERAMIC M L 1608 0 1UF 16V K B C14 RC005202 BCML311045Z CERAMIC M L 1608 0 1UF 16V K B C15 RC008843 BCML313335Z CERAMIC M L 1608 0 033UF 16V K B C16 RC000777 BCZY0120001 SEMI CONDUCTOR CZ 120 0 022UF 18V C18 RC008111 BCZY0259001 MYLAR META...

Page 45: ...RAMIC M L 1608 100PF 50V J CH C61 RC005210 BCMM811014Z CERAMIC M L 1608 100PF 50V J CH C62 RC005202 BCML311045Z CERAMIC M L 1608 0 1UF 16V K B C63 RC005202 BCML311045Z CERAMIC M L 1608 0 1UF 16V K B C64 RC001794 BCAZ111016Z ELECTROLYTIC 100UF 10V M C 156 C65 RC005205 BCML811035Z CERAMIC M L 1608 0 01UF 50V K B C66 RC005205 BCML811035Z CERAMIC M L 1608 0 01UF 50V K B C67 RC008582 BCAZ814706Z ELECTR...

Page 46: ...016Z ELECTROLYTIC 100UF 10V M C 156 C111 RC005205 BCML811035Z CERAMIC M L 1608 0 01UF 50V K B C112 RC005205 BCML811035Z CERAMIC M L 1608 0 01UF 50V K B C113 RC005204 BCML811025Z CERAMIC M L 1608 0 001UF 50V K B C114 RC001794 BCAZ111016Z ELECTROLYTIC 100UF 10V M C 156 C115 RC005215 BCMM812704Z CERAMIC M L 1608 27PF 50V J CH C116 RC005215 BCMM812704Z CERAMIC M L 1608 27PF 50V J CH C118 RC005205 BCML...

Page 47: ...Z CERAMIC M L 2125 1UF 16V Z F C435 RC005204 BCML811025Z CERAMIC M L 1608 0 001UF 50V K B C436 RC008731 BCXK311050Z CERAMIC M L 2125 1UF 16V Z F C438 RC005359 BCMM812204Z CERAMIC M L 1608 22PF 50V J CH C439 RC005359 BCMM812204Z CERAMIC M L 1608 22PF 50V J CH C440 RC008731 BCXK311050Z CERAMIC M L 2125 1UF 16V Z F C441 RC008731 BCXK311050Z CERAMIC M L 2125 1UF 16V Z F C443 RC005205 BCML811035Z CERAM...

Page 48: ...RAMIC M L 1608 0 047UF 16V K B C634 RC005205 BCML811035Z CERAMIC M L 1608 0 01UF 50V K B C635 RC005202 BCML311045Z CERAMIC M L 1608 0 1UF 16V K B C637 RC005206 BCML812225Z CERAMIC M L 1608 0 0022UF 50V K B C638 RC008319 BCSH904796Z TANTALUM CHIP 4 7UF 6 3V M C 122 C639 RC008319 BCSH904796Z TANTALUM CHIP 4 7UF 6 3V M C 122 C640 RC004449 BCXT311545Z CERAMIC M L 2125 0 15UF 16V K B C641 RC005202 BCML...

Page 49: ...0V J CH C754 RC005204 BCML811025Z CERAMIC M L 1608 0 001UF 50V K B C755 RC005204 BCML811025Z CERAMIC M L 1608 0 001UF 50V K B C756 RC005210 BCMM811014Z CERAMIC M L 1608 100PF 50V J CH C757 RC005210 BCMM811014Z CERAMIC M L 1608 100PF 50V J CH C758 RC005210 BCMM811014Z CERAMIC M L 1608 100PF 50V J CH C759 RC005210 BCMM811014Z CERAMIC M L 1608 100PF 50V J CH C760 RC005210 BCMM811014Z CERAMIC M L 1608...

Page 50: ...08278 BDEY3870003 LA8633VU TLM IC16 RC001640 BDEY1146001 PC817CD IC17 RC004870 BDEY2768003 MC3361CDR2 IC18 RC004045 BDEY0861002 M5223FP 600C IC20 RC005076 BDEY2987003 RH5VL47CA T1 IC21 RC008586 BDDY0928001 UC2387 MB89174APF G 258 BND U IC401 RC005425 BDEY3215001 T7503 1EC IC402 RC005423 BDEY1533003 MC34119D R2 IC403 RC008598 BDEY3843001 1605J ELR30 DB IC407 RC008600 BDEY3906003 XC61FN4012MR R IC40...

Page 51: ...BDBC2712303 2SC2712 GR Q4 RC002245 BDBC2714124 2SC2714 Y Q5 RC003031 BDBC1623648 2SC1623 L6 Q6 RC008275 BDBA0812695 2SA812 M M6A Q7 RC003031 BDBC1623648 2SC1623 L6 Q8 RC008275 BDBA0812695 2SA812 M M6A Q9 RC003031 BDBC1623648 2SC1623 L6 Q10 RC003031 BDBC1623648 2SC1623 L6 Q11 RC003031 BDBC1623648 2SC1623 L6 Q12 RC003031 BDBC1623648 2SC1623 L6 Q13 RC003200 BDBD0471111 2SD471 L Q14 RC003031 BDBC16236...

Page 52: ...IXED CHIP 10K 1 16W J R16 RC005245 BRFC161834Z CARBON FIXED CHIP 18K 1 16W J R17 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J R18 RC005278 BRFC161244Z CARBON FIXED CHIP 120K 1 16W J R19 RC008482 BRFC186804Z CARBON FIXED CHIP 68 1 8W J R20 RC008091 BRFC165614Z CARBON FIXED CHIP 560 1 16W J R21 RC005247 BRFC162214Z CARBON FIXED CHIP 220 1 16W J R22 RC008735 BRFC166824Z CARBON FIXED CHIP 6 8K 1...

Page 53: ...C005283 BRFC162734Z CARBON FIXED CHIP 27K 1 16W J R65 RC005256 BRFC164724Z CARBON FIXED CHIP 4 7K 1 16W J R66 RC005280 BRFC161534Z CARBON FIXED CHIP 15K 1 16W J R67 RC005283 BRFC162734Z CARBON FIXED CHIP 27K 1 16W J R68 RC005262 BRFC168234Z CARBON FIXED CHIP 82K 1 16W J R69 RC005278 BRFC161244Z CARBON FIXED CHIP 120K 1 16W J R70 RC005278 BRFC161244Z CARBON FIXED CHIP 120K 1 16W J R71 RC004174 BRPA...

Page 54: ...J R111 RC005261 BRFC168224Z CARBON FIXED CHIP 8 2K 1 16W J R112 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R113 RC005239 BRFC161014Z CARBON FIXED CHIP 100 1 16W J R114 RC002805 BRFC181834Z CARBON FIXED CHIP 18K 1 8W J R115 RC004181 BRPA613324Z CARBON 3 3K 1 6W J R116 RC004181 BRPA613324Z CARBON 3 3K 1 6W J R117 RC008591 BRSJ221014Z METAL OXIDE 100 1 2WS J R118 RC005411 BRSJ221004Z METAL OXI...

Page 55: ... 47K 1 16W J R401 RC005252 BRFC163314Z CARBON FIXED CHIP 330 1 16W J R402 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R403 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R405 RC005673 BRFC163934Z CARBON FIXED CHIP 39K 1 16W J R406 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J R407 RC005257 BRFC164734Z CARBON FIXED CHIP 47K 1 16W J R408 RC003630 BRFC011094Z CARBON FIXED CHIP 1 1 10W J...

Page 56: ...61024Z CARBON FIXED CHIP 1K 1 16W J R452 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R453 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R454 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R455 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R456 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R457 RC005257 BRFC164734Z CARBON FIXED CHIP 47K 1 16W J R458 RC008765 BRFC161004Z CARBON ...

Page 57: ...RBON FIXED CHIP 470 1 16W J R605 RC005245 BRFC161834Z CARBON FIXED CHIP 18K 1 16W J R606 RC005281 BRFC162224Z CARBON FIXED CHIP 2 2K 1 16W J R607 RC005258 BRFC164744Z CARBON FIXED CHIP 470K 1 16W J R608 RC005253 BRFC163324Z CARBON FIXED CHIP 3 3K 1 16W J R609 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J R610 RC005258 BRFC164744Z CARBON FIXED CHIP 470K 1 16W J R611 RC005282 BRFC162714Z CARBON...

Page 58: ...1024Z CARBON FIXED CHIP 1K 1 16W J R656 RC005281 BRFC162224Z CARBON FIXED CHIP 2 2K 1 16W J R657 RC005247 BRFC162214Z CARBON FIXED CHIP 220 1 16W J R658 RC005256 BRFC164724Z CARBON FIXED CHIP 4 7K 1 16W J R659 RC005256 BRFC164724Z CARBON FIXED CHIP 4 7K 1 16W J R660 RC005281 BRFC162224Z CARBON FIXED CHIP 2 2K 1 16W J R661 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J R662 RC005241 BRFC161034Z...

Page 59: ...005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R771 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R772 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R773 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R774 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R775 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R776 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J R779 RC005240 BRFC1610...

Page 60: ...008604 BTPY0130001 TP 130 522 1 1 PBSR E TP428 RC008604 BTPY0130001 TP 130 522 1 1 PBSR E TP429 RC008604 BTPY0130001 TP 130 522 1 1 PBSR E TP430 RC008604 BTPY0130001 TP 130 522 1 1 PBSR E TP431 RC008604 BTPY0130001 TP 130 522 1 1 PBSR E TP432 RC008604 BTPY0130001 TP 130 522 1 1 PBSR E TP433 RC008604 BTPY0130001 TP 130 522 1 1 PBSR E TP434 RC008604 BTPY0130001 TP 130 522 1 1 PBSR E TP435 RC008604 B...

Page 61: ...062 BMKY0475001 MICROPHONE MK 475 WM 034BZ MC601 RC004062 BMKY0475001 MICROPHONE MK 475 WM 034BZ RL1 RC000867 BRLY0042001 RELAY RL 042 OMR 108H SP701 RC001282 BSPY0166001 SPEAKER SP 166 C060A20G0060 SP801 RC008336 BSPY0409001 SPEAKER SP 409 DTR169HP 005 WA901 RC008231 BWZY1401001 TEL CORD WZ 1401 1850 W P Y601 RC008787 BYYY1392001 BUZZER YY 1392 ST 1285 APH PACKING PARTS RC008427 WSLV482644Z AIR B...

Page 62: ... 576 67 LOC NO PART NO REF NO DESCRIPTION RC008616 AC224BLBA MAIN PCB ASSEMBLY BASE RC008617 AC224BLBC KEY PCB ASSEMBLY BASE RC008618 AC224BLBD DSP PCB ASSEMBLY BASE RC008619 AC224BLPA MAIN PCB ASSEMBLY HANDSET ...

Page 63: ... 7 79 0 4 351 8579 0 591 79 0 53 36133579 0 591 7 79 0 54 36138579 0 591 79 0 55 36143579 0 5 137 79 0 56 36148579 0 5 13 79 0 57 36153579 0 5 147 79 0 58 36158579 0 5 14 79 0 59 36163579 0 5 157 79 0 5 36168579 0 5 15 79 0 5 36173579 0 5 167 7990 5 36178579 0 5 16 7990 63 36183579 0 5 177 7990 64 36188579 0 5 17 7990 65 36193579 0 5 187 7990 66 36198579 0 5 18 7990 67 361 3579 0 5 197 7990 68 361...

Page 64: ... Filter G 73 63 TELEPHONE LINE 81 7 120 1 0 7 1 Off hook Impedance at 1kHz 2 0 4333 833a4833 2 Off hook DC Resistance DC 40mA 2 0 583 433a633 3 On hook Impedance 20Hz 75Vrms N2 0 54 43 4 Minimum Ringer Input Level 9UPV 63 73 5 Pulse Dialing a Dialing Rate 10pps SSV 43 a44 b Make Ratio 10pps 73 69a75 6 DTMF Output 600W Load a Minimum Level of Single Tone Low Group G P 0 043 High Group G P 08 0 b DT...

Page 65: ...Selectivity NQ20dB Bandwidth kHz 15 10 Bandwidth kHz 15 10 7 Bell Ringer Level at 30cm from Speaker 2 TONE VOL HI DBSPL 80 75 2 TONE VOL LO DBSPL 70 60 3 TONE VOL HI DBSPL 70 60 3 TONE VOL LO DBSPL 60 50 8 Intercom Ringer Level at 30cm from Speaker Called from B U dBSPL 82 75 Call To B U dBSPL 70 HI LEVEL 12dB 3dB TRANSMITTER UNIT NOMINAL LIMIT 1 RF Power 50W Load dBm 6 0 9 0 3 0 2 Modulation Sens...

Page 66: ......

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