Toshiba FT-8006A BK Service Manual Download Page 10 | Manualshive

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Handset, RF

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Summary of Contents for FT-8006A BK

Page 1: ...nges specified in this SUPPLEMENT are applied for the units with a dot mark shown just after the Serial No ex 836000001 Please check the dot mark shown after the Serial No on the bottom of the Base unit and Handset for repair Use this manual together with service data FT 8006A File No 2B0 9702 SUPPLEMENT ...

Page 2: ...S 6 SCHEMATIC DIAGRAMS 8 TROUBLESHOOTING HINTS 12 IC AND TRANSISTOR VOLTAGE CHART 14 SEMICONDUCTOR LEAD IDENTIFICATION 15 ELECTRICAL PARTS LOCATION 16 EXPLODED VIEW AND MECHANICAL PARTS LIST 18 PARTS LIST 19 ASSEMBLY PARTS LIST 24 SPECIFICATIONS 25 ...

Page 3: ...equency Counter to the RF test point on the Base RF PCB Adjust CT201 to make sure that the frequency is 926 893873 MHz 3 RT2 TX Modulation 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 kHz 77 5 mV from the AF Generator Connect the Deviation Meter to the RF test point on the Base RF PCB Adjust RT2 to ind...

Page 4: ... DC Voltmeter to the J1 AF test point Adjust L212 to indicate DC 0 85 V 2 SG 1 mV 1 kHz 8kHz deviation RT1 RX AF Voltage Connect the RF Signal Generator to the RF test point on the Base RF PCB Make sure that the frequency is 902 984676 MHz Connect the AC Voltmeter across a 600 ohm dummy to the Telephone Line Jack Adjust RT1 for a 195 mV reading on the AC voltmeter 3 SG 6 5 dBµV No modulation VR201...

Page 5: ...y Connect the Frequency Counter to the RF test point on the handset RF PCB Adjust CT 501 to make sure that the frequency is 903 085147 MHz 3 VR601 TX Modulation Press the 2 key to enter the TEST Mode 2 Connect the AF Generator to the MIC Connector make sure that the output is 1 kHz 10 5 mV from the AF Generator Connect the Deviation Meter to the RF test point on the handset RF PCB Adjust VR601 to ...

Page 6: ...e DC 0 85 V 2 SG 1 mV 1 kHz 8 kHz deviation VR602 RX AF Output Connect the RF Signal Generator to the RF test point on the handset RF PCB Make sure that the frequency is 926 994344 MHz Connect the AC Voltmeter across a 150 ohm dummy to the MIC Connector Adjust VR602 for a 155 mV reading on the AC Voltmeter 3 SG 6 5 dBµV 1 kHz 8 kHz deviation VR501 SQ Point Press the 5 key to enter the TEST Mode 5 ...

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Page 9: ...SCHEMATIC DIAGRAMS Base RF 8 9 ...

Page 10: ...Handset RF 10 11 ...

Page 11: ...X FREQUENCY on the base unit NG Set the base in the test mode 3 check whether deviation of the TX data is app 7 kHz Dev NG OK OK OK Check whether there is a 250 Hz data waveform at pin 1 of J1 NG Check base RF unit NG OK Check whether there is a 250 Hz data waveform at the Q1 collector Check RT1 Q1 and their peripheral circuits NG OK Check whether there is a 250 Hz data waveform at pin 38 of IC4 C...

Page 12: ... R619 R632 R634 R635 R636 and C611 OK Check handset RF unit Check whether the 250 Hz data wareform from pin 1 of J601 is fed Place the handset on the base to charge about 5 seconds then connect again NG Check handset RF unit NG OK Check whether there is a 250 Hz data waveform at the Q601 collector OK Check VR602 Q601 and their peripheral circuits NG OK Check whether there is a 250 Hz data waveform...

Page 13: ... Q207 C 0 0 88 B 0 0 71 Q209 Not Used E 3 13 2 11 Q212 C 3 07 3 05 B 2 88 2 87 Unit V Ref No Pin STBY TALK Note 1 0 0 2 0 1 69 3 0 2 76 4 0 2 64 5 0 1 94 6 0 0 7 0 0 98 8 3 09 0 3 09 9 3 07 0 3 07 10 2 66 0 2 66 11 1 72 0 1 72 12 0 0 13 3 12 0 3 12 14 0 0 15 0 0 16 3 22 0 3 22 17 3 23 0 3 23 18 0 71 0 0 71 19 0 0 20 1 42 0 1 42 21 2 16 0 2 16 22 3 08 0 3 08 23 1 54 0 1 54 IC502 24 1 54 0 1 54 IC50...

Page 14: ...Tx OUT Tx Vcc TxB TxE Tx GND PD1 Vcc Xin Xout XBo GND MIX REF MIX IN Rx Vcc RxB RxE Rx GND PD2 RST SI CPS Lock MIX OUT Handset Unit D502 D503 1SV270 Cathode Anode Q502 2SA 1162 Q506 Q507 Q512 2SC5065 C B E B Base E Emitter C Collector IC502 M64084AGP 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 NC Tx OUT Tx Vcc TxB TxE Tx GND PD1 Vcc Xin Xout XBo GND MIX REF MIX IN Rx Vcc RxB RxE...

Page 15: ...ELECTRICAL PARTS LOCATIONS Base RF 16 ...

Page 16: ...Handset RF 17 ...

Page 17: ...58085Z Label ID for BK GR Polyester 20 RC008770 HSDC458037Z Shield Case SPTE 1 21 RC008771 HSDC458038Z Shield Case SPTE 1 Handset Unit LOC NO PART NO REF NO DESCRIPTION Q ty 63 RC008789 PLBS458426Z Label ID Polyester 1 RC008777 PLBS458084Z Label ID for BK GR Polyester 67 RC008768 GSDC258035Z Shield Case ABS 1 68 RC008769 GSDC258036Z Shield Case ABS 1 73 RC008770 HSDC458037Z Shield Case SPTE 1 74 R...

Page 18: ...Z CERAMIC 3PF 50V B CH C236 RC005207 BC813325Z CERAMIC 0 0033UF 50V K B C237 RC005208 BC814725Z CERAMIC 0 0047UF 50V K B C238 RC005206 BC812225Z CERAMIC 0 0022UF 50V K B C239 RC004446 BCPP662286Z TANTALUM CHIP TAPE 0 22UF 35V M A C 227 C240 RC005216 BCMM813304Z CERAMIC 33PF 50V J CH C241 RC008753 BCMM812098Z CERAMIC 2PF 50V B CH C242 RC005223 BCMS812091Z CERAMIC 2PF 50V C CK C243 RC008757 BCMM8182...

Page 19: ...RAMIC 5PF 50V B CH C536 RC005207 BCML813325Z CERAMIC 0 0033UF 50V K B C537 RC005208 BCML814725Z CERAMIC 0 0047UF 50V K B C538 RC005206 BCML812225Z CERAMIC 0 0022UF 50V K B C539 RC004446 BCPP662286Z TANTALUM CHIP TAPE 0 22UF 35V M A C 227 C540 RC005216 BCMM813304Z CERAMIC 33PF 50V J CH C541 RC008755 BCMM815098Z CERAMIC 5PF 50V B CH C542 RC005223 BCMS812091Z CERAMIC 2PF 50V C CK C543 RC008757 BCMM81...

Page 20: ...C001596 BCXF311050Z CERAMIC 1UF 16V Z F DIODES D202 RC008759 BDAY0908001 DIODE 1SV270 TPH3 D203 RC008759 BDAY0908001 DIODE 1SV270 TPH3 D502 RC008759 BDAY0908001 DIODE 1SV270 TPH3 D503 RC008759 BDAY0908001 DIODE 1SV270 TPH3 FILTERS FT201 RC008762 BFLY0932001 FILTER SAW FL 932 TQS 833C 7R FT501 RC008762 BFLY0932001 FILTER SAW FL 932 TQS 833C 7R IC s IC004 RC008750 BDDY0718001 UC2177 MB89173PF G 200 ...

Page 21: ...ON FIXED CHIP 10 1 16W J TAPING R217 RC005434 BRFC163914Z CARBON FIXED CHIP 390 1 16W J TAPING R219 RC005311 BRFC160004Z CARBON FIXED CHIP 0 1 16W J TAPING R220 RC005242 BRFC161044Z CARBON FIXED CHIP 100K 1 16W J TAPING R221 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J TAPING R225 Deleted R226 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J TAPING R227 RC005240 BRFC161024Z CARBON FIXED CH...

Page 22: ...160004Z CARBON FIXED CHIP 0 1 16W J TAPING R520 RC005242 BRFC161044Z CARBON FIXED CHIP 100K 1 16W J TAPING R521 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J TAPING R525 Deleted R526 RC005241 BRFC161034Z CARBON FIXED CHIP 10K 1 16W J TAPING R527 RC005240 BRFC161024Z CARBON FIXED CHIP 1K 1 16W J TAPING R528 RC005256 BRFC164724Z CARBON FIXED CHIP 4 7K 1 16W J TAPING R529 RC005434 BRFC163914Z CA...

Page 23: ...14Z CARBON FIXED CHIP 470 1 16W J TAPING R623 RC005432 BRFC161544Z CARBON FIXED CHIP 150K 1 16W J TAPING RC008779 PLBB458243Z LABEL BARCODE PAPER RC008780 PLBB458245Z LABEL BARCODE PAPER Note The part with mark is newly added 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 NO P...

Page 24: ...8MHz 19 902 984676MHz 926 893873MHz 20 903 034911MHz 926 944109MHz 21 903 085147MHz 926 994344MHz 22 903 135382MHz 927 044580MHz 23 903 185618MHz 927 094815MHz 24 903 235853MHz 927 145051MHz 25 903 286089MHz 927 195286MHz 26 903 336325MHz 927 245521MHz 27 903 386560MHz 927 295757MHz 28 903 436796MHz 927 345992MHz 29 903 487031MHz 927 396228MHz 30 903 537267MHz 927 446463MHz 31 903 587503MHz 927 49...

Page 25: ...idth kHz 13 10 6 dB Bandwidth kHz 13 10 Image Rejection Ratio 12dB SINAD CCITT Filter ON 1st Image fo 14 32 MHz 2 dB 35 30 2nd Image fo 455 KHz 2 dB 55 30 Transmitter RF Power 50 Ω Load dBm 6 5 9 5 3 5 Modulation Sensitivity dBm 20 24 16 Frequency Response 0 3 kHz dB 2 5 6 5 1 5 3 0 kHz dB 1 5 5 5 2 5 Frequency Tolerance 25 C Hz 0 1500 Code Deviation kHz 8 11 Distortion 1 5 5 Adjacent CH Power 50 ...

Page 26: ...191 1227 Column 2 Hz 1336 1316 1356 Column 3 Hz 1477 1455 1499 d Signal Length msec 100 90 e Interdigital Pause msec 100 90 Handset Unit RECEIVER Sensitivity 12 dB SINAD CCITT Filter ON dBm 115 107 Frequency Response 0 3 kHz dB 1 3 0 5 0 3 0 kHz dB 5 5 1 5 9 5 Audio Output Level mV 155 110 215 Distortion at 1 mV RF Input 1 5 5 S N ratio at 1 mV RF Input CCITT Filter ON Compander ON dB 70 60 Select...

Page 27: ...er ON Compander ON dB 40 35 Power Consumption Base Unit a Standby Charge Off mA 70 90 b Standby Charge ON mA 165 150 190 c Talk mA 110 130 Charge Current at CHG CONTACT mA 90 80 100 Portable Unit a Stand by mA 3 4 4 b Talk mA 85 100 Battery Low Detect Voltage V 3 3 3 0 3 6 Battery Ni Cd Battery 600 mAH 1 2 V 3 3 6 Memory 10 Memories 16 Digits 1 Redial Memory 32 Digits Operating Temperature 10 C 50...

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