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Toshiba FT-8989 Service Manual

Toshiba FT-8989 Manual Online:

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Toshiba FT-8989 User Manual
Toshiba FT-8989 User Guide
Toshiba FT-8989 Online Manual

Text of Toshiba FT-8989 User Guide:

  • Toshiba FT-8989, 8 Receiver Section Connections Alignment Point Location on Handset Main PCB and Handset RF PCB Preset Place the Handset in RX SENS mode (step 4) in accordance with the procedure on page 4. Alignment Procedure step 1 2 3 Preset to SG: 1mV No modulation SG: 1mV 1 kHz ±8kHz deviation SG: -6.0 dB µµ µµ µV No moduration Remarks Connect the RF Singal Generator to the RF test point on the handset MAIN PCB. 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. Conne

  • Toshiba FT-8989, 50 C648 RC005216 BCMM813304Z CERAMIC M/L (1608) TAPE 33PF 50V J CH C649 RC008447 BCSH312296Z TANTALUM CHIP 2.2UF 16V M C-122 TAPE C650 RC005202 BCML311045Z CERAMIC M/L (1608) TAPE 0.1UF 16V K B C651 RC005214 BCMM812214Z CERAMIC M/L (1608) TAPE 220PF 50V J CH C652 RC005214 BCMM812214Z CERAMIC M/L (1608) TAPE 220PF 50V J CH C653 RC005217 BCMM813314Z CERAMIC M/L (1608) TAPE 330PF 50V J CH C654 RC008268 BCML314735Z CERAMIC M/L (1608) TAPE 0.047UF 16V K B C655 RC008268 BCML314735Z CERAMIC M/L (1608) TAPE 0.047U

  • Toshiba FT-8989, 42 Base Unit LOC. PART NO. REF. DESCRIPTION QTY NO. NO. 1 RC008562 GNBZ442806Z BUTTON, FUNCTION ABS 1 2 RC008561 GCAS242805Z CASE, BOTTOM ABS 1 3 RC008560 GCAS242804A CASE, TOP ABS 1 4 RC008414 HTML442750Z CHARGE TERMINAL C5191(PBP) 2 5 RC005608 RCUN451804Z CUSHION NEOPRENE 1 6 RC005439 GCAS254442Z DISPLAY WINDOW PMMA 1 7 RC002384 LFUT428079Z FOOT BUMPON SJ-5916 1.6T 4 8 RC008013 RBLD459155A HIMELON 2 9 RC008891 GHDZ350921Z HOLDER, DISPLAY ABS 1 10 RC005689 LHDZ453179Z HOLDER, MIC CR 1 11 RC005444 HHDS431080B HOLDER, SPEAKER SUS304 CSP 0.8T 3/4H OR H 1 12 RC005684 GCAS457909Z HOOK ABS 1 13 RC008499 LNBZ342500Z KEY RUBBER SI 1 14 RC008563 PLB

  • Toshiba FT-8989, 60 R616 RC005280 BRFC161534Z CARBON FIXED CHIP 15K 1/16W J TAPING R617 RC008454 BRFC165604Z CARBON FIXED CHIP 56 1/16W J TAPING R618 RC005242 BRFC161044Z CARBON FIXED CHIP 100K 1/16W J TAPING R619 RC005278 BRFC161244Z CARBON FIXED CHIP 120K 1/16W J TAPING R620 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R621 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R622 RC005284 BRFC163334Z CARBON FIXED CHIP 33K 1/16W J TAPING R623 RC005249 BRFC162244Z CARBON FIXED CHIP 220K 1/16W J TAPING R624 RC005242 BRFC161044Z CARBON FIXED CHIP 1

  • Toshiba FT-8989, 63 WIRES W1 RC008406 CUQK009022Z WIRE W-005 UL 1571 #26 5- 90- 5 BLK W2 RC008405 CUQB009022Z WIRE W-005 UL 1571 #26 5- 90- 5 RED W3 RC008359 CUQK015033Z WIRE W-005 UL 1571 #26 7-150- 7 BLK W4 RC008358 CUQB015033Z WIRE W-005 UL 1571 #26 7-150- 7 RED W202 RC004204 CZDZ071963A WIRES ASSEMBLED W-071963A W601 RC005699 CZDZ072147Z WIRES ASSEMBLED W-072147 W701 RC008503 CUKJ006021Z WIRE UL1007 #28 5-60-3 WHT W702 RC008504 CUKK006021Z WIRE UL 1007 #28 5- 60- 3 BLK W801 RC008581 CUPB007011Z WIRE W-004 UL 1571 #26 3- 70- 3 RED W802 RC001317 CUPK007011Z WIRE W-004 UL 1571 #26 3- 70- 3 BLK WA901 RC008231 BWZY1401001 CORD:TEL WZ-1401 1850 W/P CRYSTALS X1 RC008478 BQXY0724001 CRYS

  • 6 Receiver Section Connections Alignment Point Location on Base Main PCB and Base RF PCB Preset Place the Base Unit in RX SENS mode (step 4) in accordance with the precedure on page 3. Alignment Procedure step 1 2 3 Preset to SG: 1mV No modulation SG: 1mV 1 kHz ±8kHz deviation SG: -6.0 dB µµ µµ µV No modulation Remarks Connect the RF Signal Generator to the RF test poi

  • Toshiba FT-8989, 48 LOC. PART NO. REF. DESCRIPTION NO. NO. C140 RC001802 BCAZ314706Z ELECTROLYTIC 47UF 16V M C-156 C142 RC005202 BCML311045Z CERAMIC M/L (1608) TAPE 0.1UF 16V K B C143 RC005205 BCML811035Z CERAMIC M/L (1608) TAPE 0.01UF 50V K B C203 RC001811 BCAZ901016Z ELECTROLYTIC 100UF 6.3V M C-156 C205 RC008146 BCML816825Z CERAMIC M/L (1608) TAPE 0.0068UF 50V K B C206 RC008296 BCSH901006Z TANTALUM CHIP TAPE 10UF 6.3V M C-122 C207 RC008296 BCSH901006Z TANTALUM CHIP TAPE 10UF 6.3V M C-122 C208 RC005219 BCMM814704Z CERAMIC M/L (1608) TAPE 47PF 50V J CH C209 RC008485 BCMM813914Z CERAMIC M/L (1608) TAPE 390PF 50V J CH C210 RC005202 BCML311045Z CERAMIC M/L (1608) TAPE 0.1UF 16V K B C211 RC008296

  • Toshiba FT-8989, 20 3. The base and handset cannot be connected. Check whether the base is able to set in the test mode 1. OK NG A Check IC6 and its peripheral circuit. Check base RF unit. NG Check the TX POWER and the TX FREQUENCY on the base unit. OK NG Check base RF unit. Set the base in the test mode 3, check whether deviation of the TX data is app. 8.5 kHz Dev. OK NG Check whether there is a 250 Hz data waveform at “MOD” of RF unit. Check RT3, R51, R52, R53, R48, R80, R81, C59, C135 and C54. NG OK Check base RF unit. Set the base in the test mode 8, 902.952467 MHz (250 Hz ±8 kHz Dev.) 1

  • Toshiba FT-8989, 29 Unit[V] Unit[V] Ref. No. PIN STBY TALK NOTE Ref. No. PIN STBY TALK NOTE E 0.0 0.0 GND Q7 C 0.0 5.1 B 0.6 0.0 E 0.0 0.0 GND Q8 C 0.0 0.0 B 0.5 0.5 E 0.0 0.0 Q9 C 0.0 0.7 B 0.7 0.0 E 0.0 0.0 GND Q10 C 0.0 0.0 B 0.7 0.7 E 0.0 0.0 Q11 C 5.0 4.9 B 0.0 0.0 E 2.6 1.2 Q12 C 0.0 1.2 B 2.6 0.6 E 5.9 5.9 Q13 C 10.0 8.9 B 6.6 6.6 E 3.3 3.3 Q14 C 6.0 5.9 B 4.0 4.0 E 5.2 5.2 Q15 C 0.0 0.0 B 5.2 5.2 E 5.2 5.2 Q16 C 0.0 5.2 B 5.3 4.5 E 5.2 5.2 Q17 C 0.0 5.2 B 5.3 4.5 E 3.7 3.7 Q18 C 10.7 9.9 B 4.3 4.3 E 0.0 0.0 GND Q19 C 5.27 5.22 B0 0 E 0.07 3.7 Q20 C 1.36 9.76 B 0.7 4.3 E 0.07 0.07 Q21

  • Toshiba FT-8989, 3 ALIGNMENT PROCEDURE Test Mode For Base Unit Press the “PAGE” key about 3.0 seconds while turning the power on. 1. To change the TEST mode: Press the “PAGE” key with T/P switch to PULSE position. 2. To change channel: Press the “PAGE” key with T/P switch to TONE position. If changing the step, the channel returns to the start channel. 3. To cancel Test mode: Bell rings, charge the Handset or Power off. *A : CHARGE LED is ON when SQ ON, CHARGE LED is OFF when SQ OFF. *1 : “0000...” (250Hz) will be fed out continuously as transmitting data. *2 : CHARGE LED lights when the received data are “0000...”. Channel rotation 19ð20ð21ð40ð1ð2

  • Toshiba FT-8989, 67 PORTABLE UNIT RECEIVER 1. Sensitivity 12 dB SINAD with CCITT Filter 2. Frequency Response (Ref:1kHz) 0.3kHz 3.0kHz 3. Audio Output Level VOL. LOUD VOL. HIGH VOL. MEDIUM VOL. LOW 4. Distortion at 1 mV RF Input 5. S/N ratio at 1 mV RF Input with CCITT Filter 6. Selectivity (NQ20dB) Bandwidth + Bandwidth - 7. Image Rejection Ratio SINAD 12dB with CCITT Filter 1st Image 2nd Image 8. Ringer Level at 30cm from Speaker 2 TONE VOL HI 2 TONE VOL LO 3 TONE VOL HI 3 TONE VOL LO TRANSMITTER 1. RF Power (50Ω Load) 2. Modulation Sensitivity 3. Frequency Response (Ref:1kHz) 0.3kHz 3.0kHz 4. Frequency Tolerance (25°C) 5. Code Deviation 6. Distortion 7. Adjacent CH Power (+) ( - ) 8. S/N Ratio wi

  • Toshiba FT-8989, 18 TROUBLESHOOTING HINTS 1. The bell does not ring. When the PAGE SW of the base is pressed, does the ringer on the handset ring? When the TEL SG is joined with the base to make bell signal, is there pulse wave at pin 4 of IC1? Is there pulse wave at pin 24 of IC6? Check IC6 and its peripheral circuit. Check IC1 and TEL network circuit. Check R56, R84, R83 and C79. See 2. The bell does not ring & page does not ring. OK OK NG NG OK NG BASE UNIT If you want to reset the unit to the factory settings You can cancel the OGM, PIN, and the clock settings by the followi

  • Toshiba FT-8989, 54 LOC. PART NO. REF. DESCRIPTION NO. NO. R11 RC005258 BRFC164744Z CARBON FIXED CHIP 470K 1/16W J TAPING R12 RC008091 BRFC165614Z CARBON FIXED CHIP 560 1/16W J TAPING R13 RC005281 BRFC162224Z CARBON FIXED CHIP 2.2K 1/16W J TAPING R14 RC005311 BRFC160004Z CARBON FIXED CHIP 0 1/16W J TAPING R16 RC005253 BRFC163324Z CARBON FIXED CHIP 3.3K 1/16W J TAPING R17 RC001790 BRFC181534Z CARBON FIXED CHIP 15K 1/8W J TAPING R18 RC008091 BRFC165614Z CARBON FIXED CHIP 560 1/16W J TAPING R19 RC005286 BRFC165644Z CARBON FIXED CHIP 560K 1/16W J TAPING R20 RC005242 BRFC161044Z CARBON FIXED CHIP 100K 1/16W J TAPING R21 RC005261 BRFC168224Z CARBON FIXED CHIP 8.2K 1/16W J

  • Toshiba FT-8989, 62 R760 RC002502 BRFC181044Z CARBON FIXED CHIP 100K 1/8W J TAPING R761 RC005257 BRFC164734Z CARBON FIXED CHIP 47K 1/16W J TAPING R762 RC005285 BRFC165634Z CARBON FIXED CHIP 56K 1/16W J TAPING R763 RC005257 BRFC164734Z CARBON FIXED CHIP 47K 1/16W J TAPING R764 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING R765 RC008766 BRFC161224Z CARBON FIXED CHIP 1.2K 1/16W J TAPING R766 RC005260 BRFC166834Z CARBON FIXED CHIP 68K 1/16W J TAPING R767 RC005257 BRFC164734Z CARBON FIXED CHIP 47K 1/16W J TAPING R768 RC005239 BRFC161014Z CARBON FIXED CHIP 100 1/16W J TAPING R774 RC002899 BRFC180004Z CARBON FIXED CHIP 0 1/8W J TAPING R775 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1/16W J TAPING

  • Toshiba FT-8989, 33 1 2 3 IC9 : RH5VL40CA IC207 : RH5VL45AA VO2 Gnd Vcc VO1 IC201 MC34119D CD FC2 FC1 Vin Vcc CE RE R / B GND N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. I/O7 I/O6 I/O5 I/O4 Vcc IC208 KM29W040AT IC202 D16559 Vss CLE ALE WE WP N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. I/O0 I/O1 I/O2 I/O3 Vss 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 1 2 3 4 8 7 6 5 Vcc 4B 4A 4Y 3B 3A 3Y IC204 TC74HC00AF 1A 1B 1Y 2A 2B 2Y GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1 2 3

  • 1 CONTENTS SAFETY PRECAUTIONS ............................................................................................................ 1 OPERATING CONTROLS ........................................................................................................... 2 ALIGNMENT PROCEDURE .............................................................................................

  • Toshiba FT-8989, 65 SPECIFICATIONS MEASUREMENT CONDITIONS 1. Standard Voltage :Portable Unit .... DC 3.8V ± 0.025V :Base Unit .... AC 120V ± 3V 60Hz 2. Temperature :25 ± 5 3. Channel FCC CH Portable(TX Frequency) Base(TX Frequency) 1 904.052470MHz 925.997470MHz 2 902.102465MHz 926.047470MHz 3 902.152465MHz 926.097470MHz 4 902.202465MHz 926.147470MHz 5 902.252465MHz 926.197470MHz 6 902.302465MHz 926.247469MHz 7 902.352465MHz 926.297469MHz 8 902.402465MHz 926.347469MHz 9 902.452465MHz 926.397469MHz 10 902.502466MHz 926.447469MHz 11 902.552466MHz 926.4974

  • Toshiba FT-8989, 24 7. The voice of the caller cannot be heard (incoming call). Can the base and handset be connected? See 3. The base and handset cannot be connected. OK NG The 1 kHz, 77.5mV sine waveform is applied to TEL- line of the base, can the 1 kHz sine waveform from the Q3 collector be fed? Check the base TEL-line circuit and REPLAY control circuit. NG Check whether there is the 1 kHz sine waveform at pin 24 of IC3. Check IC4 and its peripheral circuit. NG OK OK Check whether there is the 1 kHz sine waveform at pin 20 of IC3. Check IC3 and its peripheral circuit. NG OK TX output signal from the base is detected by the

  • 2 OPERATING CONTROLS HANDSET CONTROLS AND FUNCTIONS LCD BASE UNIT CONTROLS AND FUNCTIONS DC in 9V Jack TEL LINE Jack OGM button ANSWER button REPEAT button PIN button IN USE LED CHARGE LED POWERR LED Liquid Crystal Display (LCD) REDIAL ( ) button (Left arrow button) TALK button PAUSE button 1 button (TONE) button MEM (Memory) button FUNC (Function) button DELETE

  • Toshiba FT-8989, 26 Unit[V] Unit[V] Ref. No. PIN STBY TALK NOTE Ref. No. PIN STBY TALK NOTE 33 3.2 3.3 34 3.3 3.3 35 0.0 0.0 36 3.3 0.1 37 0.0 0.0 38 1.1 1.1 39 0.0 0.0 40 5.3 5.2 41 5.3 5.2 VCC 42 0.0 0.0 43 0.1 5.1 44 0.5 0.5 45 0.0 0.0 46 5.3 5.2 47 5.3 5.2 IC6 48 0.0 0.0 49 0.0 0.0 50 0.0 0.0 51 0.0 0.0 52 0.0 5.2 53 5.3 5.2 54 5.3 5.2 55 3.1 3.1 56 2.9 2.8 57 5.2 5.1 58 0.0 5.2 59 0.0 5.2 60 5.2 0.0 61 5.2 5.1 62 5.2 5.2 63 0.0 5.1 64 5.2 0.0 1 3.2 5.2 VCC 2 0.0 3.2 3 5.3 0.0 4 5.3 5.2 5 0.0 5.2 IC7 6 0.0 0.0 7 0.0 0.0 GND 8 2.3 0.0 9 2.5 2.3 10 0.0 2.5 11 5.2 0.0 12 0.0 5.2 13 0.0 0.0 14 0.0 0.0 15 5.3 5.2 IC7 16 5.3 5.2 17 0.0 0.0 18 0.0 0.0 19 3.2 3.2 20 2.6 2.6 1 2.6

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