Radio Shack PRO-106, Service Manual

Page 1: ...ubleshooting 10 Printed Circuit Board 15 Wiring Diagram 19 Exploded View 20 Mechanical Parts List 21 Electrical Parts List 22 Semiconductor Lead Identification 65 Microprocessor IC306 Port Format 71 S...

Page 2: ...219 9975 MHz 5 kHz steps FM 220 000 224 995 MHz 5 kHz steps FM 225 000 379 99375 MHz 6 25 kHz steps AM 380 000 419 9875 MHz 12 5 kHz steps FM 420 000 450 000 MHz 5 kHz steps FM 450 00625 469 99375 MH...

Page 3: ...squelched mV 1 3 Scanning rate without trunking channels sec 55 45 66 Search rate at 162 25 167 25 MHz steps sec 90 80 100 Scan delay time sec 2 1 3 Audio output power 10 THD mW 170 140 Current drain...

Page 4: ...36 IC4 3rd IF Amp Noise Amp 3rd Local Mixer Quadrature Detector IC7 Buffer Amp IC8b SQ VOL PWR PC IF J301 Ni cd Batt x4 Batt AAx4 DC 9V J1 J2 J3 Speaker Power SW Ceramic Filter CF2 Filter Switching Q3...

Page 5: ...eceiver should be warmed up for at least 10 minutes before proceeding with alignment z The signal level from the generator should be kept as low as possible to obtain a usable output z To tune the fre...

Page 6: ...o C t n e m u r t s n I t s e T t s u j d A t l u s e R N O l o r t n o c E M U L O V F F O W C C l o r t n o c H C L E U Q S 4 6 7 d n a z H M 0 6 9 o t e n u T z H M 2 P T o t M V S S C D t c e n n...

Page 7: ...LL1 VCO1 align ment and PLL1 VCO2 alignment Decrease the pitch of the coil when the measured volt age at TP2 or TP3 is lower than the voltage listed in Table 2 for the PLL2 VCO alignment PLL1 VCO1 ali...

Page 8: ...3 7 1 o t t s u j d a d n a z H M 5 2 1 4 3 7 1 o t e n u T z H k 5 5 4 s i y c n e u q e r f e h t o s 2 R V z H 0 1 y c n e u q e r f r o t a r e n e g l a n g i s e h t t e S 3 n o i t a l u d o m...

Page 9: ...ck FM Signal Generator ANT Jack Unit Under Test DC SSVM TP6 Figure 7 Figure 8 g n i t t e S l o r t n o C n o i t c e n n o C t n e m u r t s n I t s e T t s u j d A t l u s e R N O l o r t n o c E M...

Page 10: ...he scanner shows Testing and automatically starts the EEPROM test program The scanner initializes the working memory Is the voltage of TP2 about 20 V at 1300 MHz Is the voltage of TP3 about 2 0 V at 5...

Page 11: ...ive IC10 Q32 and or associated circuit Does 5 V exist at IC12 pin 7 Defective IC11 and or R167 Defective IC12 and or associated circuit NO NO YES YES Is there any audio at IC8 Pin 1 Defective IC8 IC10...

Page 12: ...exist at IC307 pin 14 and 60 Defective IC13 and or associated circuit Is the clock oscillation normal at pin 11 of IC307 Defective X301 and or associated circuits of IC307 Defective IC307 LCD and or a...

Page 13: ...ion okay on X302 18 432 MHz Defective IC310 X302 C409 C410 Defective IC310 IC311 IC312 R376 R419 R420 R483 R485 R488 or other associated components Or defective IC307 CPU NO NO NO NO YES YES YES YES D...

Page 14: ...ective IC8 R337 C422 and or associated circuit If IC313 pin 24 is high 3 3V and pin 25 has a 10s of MHz sine wave defective IC313 and or associated circuit Is digital audio voice on IC313 pin 10 when...

Page 15: ...P R I N T E DC I R C U I TB OA R D 1 5 T o pV i e w L i n e a r P C B...

Page 16: ...1 6 B o t t o m V i e w...

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Page 19: ...WI R I N GD I A G R A M 1 9...

Page 20: ...4 11 10 9 14 15 26 17 25 16 21 3 2 18 18 5 7 8 1 19 20 23 24 22 12 13 6 28 27 17 EXPLODED VIEW for 20 106 20 d o a k R a i S h c To remove the rear case assembly unscrew four screws 18...

Page 21: ...ear GR 06D 1080 or GE 04A 1133 Label Model GR 08D 0391 6 Cap Jack Phone GR 07D 1560 7 Clip Belt GR 06D 1120 8 Cover Battery GR 06D 1091 9 Cushion LCD GR 07D 1630 10 Holder LCD GR 07D 0270 11 Key Top G...

Page 22: ...CZ01D C8 Ceramic 3 pF 50 V 0 25 pF ECJ0EC1H030C or CM05CH3R0C50AH or GRM1555C1H3R0CZ01D C9 Ceramic 5 pF 50 V 0 25 pF ECJ0EC1H5R0C or CM05CH5R0C50AH or GRM1555C1H5R0CZ01D C10 Ceramic 0 001 F 50 V 10 EC...

Page 23: ...1555C1H330JZ01D C29 Ceramic 22 pF 50 V 5 ECJ0EC1H220J or CM05CH220J50AH or GRM1555C1H220JZ01D C30 Ceramic 10 pF 50 V 0 5 pF ECJ0EC1H100D or 5 or CM05CH100J50AH or GRM1555C1H100JZ01D C31 Ceramic 15 pF...

Page 24: ...V 5 ECJ0EC1H220J or CM05CH220J50AH or GRM1555C1H220JZ01D C51 Ceramic 5 pF 50 V 0 25 pF ECJ0EC1H5R0C or CM05CH5R0C50AH or GRM1555C1H5R0CZ01D C52 Ceramic 0 001 F 50 V 0 ECJ0EB1H102K or 5 or CM05B102J50...

Page 25: ...rolytic 1 F 50 V 20 1HECBS1R0M C73 Ceramic 0 001 F 50 V 0 ECJ0EB1H102K or 5 or CM05B102J50AH or 10 or GRM155R71H102KA01D C74 Ceramic 0 001 F 50 V 10 ECJ0EB1H102K or 5 or CM05B102J50AH or 10 or GRM155R...

Page 26: ...21J50AH or GRM1555C1H221JA01D C94 Ceramic 15 pF 50 V 5 ECJ0EC1H150J or CM05CH150J50AH or GRM1555C1H150JZ01D C95 Ceramic 8 pF 50 V 0 5 pF ECJ0EC1H080D or CM05CH8R0D50AH or GRM1555C1H8R0DZ01D C96 Electr...

Page 27: ...PPS Film 0 033 F 50 V 5 ECHU1H333JX5 C118 Metalized PPS Film 0 047 F 16 V 5 ECHU1C473JX5 C119 Ceramic 0 01 F 16 V 0 ECJ0EB1C103K or 5 or CM05B103J16AH or 10 or GRM155R71C103KA01D C120 Ceramic 0 01 F...

Page 28: ...5B103J16AH or 10 or GRM155R71C103KA01D C143 Ceramic 220 pF 50 V 5 ECJ0EC1H221J or CM05CH221J50AH or GRM1555C1H221JA01D C144 Ceramic 220 pF 50 V 5 ECJ0EC1H221J or CM05CH221J50AH or GRM1555C1H221JA01D C...

Page 29: ...B102J50AH or 10 or GRM155R71H102KA01D C165 Ceramic 0 01 F 16 V 10 ECJ0EB1C103K or 5 or CM05B103J16AH or 10 or GRM155R71C103KA01D C166 Ceramic 0 01 F 16 V 10 ECJ0EB1C103K or 5 or CM05B103J16AH or 10 or...

Page 30: ...71H102KA01D C186 Ceramic 0 33 F 10 V 10 ECJ1VB1A334K or 6 3 V or ECJ1VB0J334K or 10 V or LMK107BJ334KA T or GRM188R71A334KA61D C187 Electrolytic 220 F 6 3 V 20 0JECBS221M C188 Electrolytic 220 F 6 3 V...

Page 31: ...HSC277 TR F E D18 HSC277 TR F E Silicon HSC277 TR F E D19 HSC277 TR F E Silicon HSC277 TR F E D20 HSC277 TR F E Silicon HSC277 TR F E D21 HSC277 TR F E Silicon HSC277 TR F E D22 1SS355F TE17 Marked A...

Page 32: ...IC10 TC74HC4066AFT EL F Mute Switching MOS SMT TC74HC4066AFT EL F or TC74HC4066AFT EL or TC74HC4066AFT EL or TC74HC4066AFS TE1608 or TC74HC4066AFS TE1608 IC11 BA05FP E2 Voltage Regulator Bipolar SMT B...

Page 33: ...12T1R0M L35 Choke 1 H LBC2012T1R0M Transistors Q1 DTA114EUA T106 Marked 14 PNP DTA114EUA T106 Q2 UMD2N TR Marked D2 PNP NPN UMD2N TR Q3 2SC4094 R38 T2B A Marked R38 NPN 2SC4094 R38 T2B A or 2SC4094 R3...

Page 34: ...Marked XY MOS FET 2SK880 Y TE85L F or 2SK880 Y TE85L or 2SK880 Y TE85L Q27 2SK880 Y TE85L F Marked XY MOS FET 2SK880 Y TE85L F or 2SK880 Y TE85L or 2SK880 Y TE85L Q28 2SC4116 GR TE85L F Marked LG NPN...

Page 35: ...Chip Metal Glaze 2 2 kohm 5 1 16 W RK73B1ETTP222J or CR05 222J H or ERJ2GEJ222X R15 Chip Metal Glaze 2 2 kohm 5 1 16 W RK73B1ETTP222J or CR05 222J H or ERJ2GEJ222X R16 Chip Metal Glaze 220 ohm 5 1 16...

Page 36: ...R35 Chip Metal Glaze 4 7 kohm 5 1 16 W RK73B1ETTP472J or CR05 472J H or ERJ2GEJ472X R36 Chip Metal Glaze 100 ohm 5 1 16 W RK73B1ETTP101J or CR05 101J H or ERJ2GEJ101X R37 Chip Metal Glaze 33 kohm 5 1...

Page 37: ...56 Chip Metal Glaze 10 kohm 5 1 16 W RK73B1ETTP103J or CR05 103J H or ERJ2GEJ103X R57 Chip Metal Glaze 10 kohm 5 1 16 W RK73B1ETTP103J or CR05 103J H or ERJ2GEJ103X R58 Chip Metal Glaze 10 kohm 5 1 16...

Page 38: ...R77 Chip Metal Glaze 220 ohm 5 1 16 W RK73B1ETTP221J or CR05 221J H or ERJ2GEJ221X R78 Chip Metal Glaze 47 ohm 5 1 16 W RK73B1ETTP470J or CR05 470J H or ERJ2GEJ470X R79 Chip Metal Glaze 330 ohm 5 1 1...

Page 39: ...ERJ2GEJ393X R99 Chip Metal Glaze 3 3 kohm 5 1 16 W RK73B1ETTP332J or CR05 332J H or ERJ2GEJ332X R100 Chip Metal Glaze 1 5 kohm 5 1 16 W RK73B1ETTP152J or CR05 152J H or ERJ2GEJ152X R101 Chip Metal Gla...

Page 40: ...Chip Metal Glaze 82 kohm 5 1 16 W RK73B1ETTP823J or CR05 823J H or ERJ2GEJ823X R123 Chip Metal Glaze 10 kohm 5 1 16 W RK73B1ETTP103J or CR05 103J H or ERJ2GEJ103X R124 Chip Metal Glaze 1 5 Mohm 5 1 1...

Page 41: ...tal Glaze 100 kohm 5 1 16 W RK73B1ETTP104J or CR05 104J H or ERJ2GEJ104X R144 Chip Metal Glaze 4 7 kohm 5 1 16 W RK73B1ETTP472J or CR05 472J H or ERJ2GEJ472X R145 Chip Metal Glaze 47 kohm 5 1 16 W RK7...

Page 42: ...03X R165 Chip Metal Glaze 2 2 kohm 5 1 16 W RK73B1ETTP222J or CR05 222J H or ERJ2GEJ222X R166 Chip Metal Glaze 4 7 kohm 5 1 16 W RK73B1ETTP472J or CR05 472J H or ERJ2GEJ472X R167 Chip Metal Glaze 1 oh...

Page 43: ...1 4 MHz GE 99D 3293 or MF21R TR 1 6 3 No 20 18926 Semi Fixed Resistor VR1 47 kohm PVZ3A473C01R00 or EVM3ESX50BQ4 or RH03ADCS4X VR2 47 kohm PVZ3A473C01R00 or EVM3ESX50BQ4 or RH03ADCS4X VR3 22 kohm PVZ3...

Page 44: ...2x4 Ni or BLK PM 2x4 Ni or BLK Top Shield RF GR 07D 1690 Board Insulation RF GR 07D 1680 Bottom Shield RF GR 07D 1670 20 Bottom Shield VCO GR 07D 0920 21 Case Shield GR 07D 1720 22 Nut 7m m R GR 05D...

Page 45: ...BJ225KG T or GRM21BR71A225KA01L C309 Ceramic 0 018 F 16 V 10 ECJ0EB1C183K or 5 or CM05B183J16AH or 10 or GRM155R71C183KA01D C310 Tantalum 2 2 F 10 V 20 TCP1A225M8R or TESVSP1A225M8R or TEESVP1A225M8R...

Page 46: ...or F921A105MPA C325 Ceramic 0 001 F 50 V 10 ECJ0EB1H102K or 5 or CM05B102J50AH or 10 or GRM155R71H102KA01D C326 Ceramic 47 pF 50 V 5 ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D C327 Ceramic...

Page 47: ...CH470J50AH or GRM1555C1H470JZ01D C346 Ceramic 47 pF 50 V 5 ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D C347 Ceramic 0 001 F 50 V 10 ECJ0EB1H102K or 5 or CM05B102J50AH or 10 or GRM155R71H102KA...

Page 48: ...amic 47 pF 50 V 5 ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D C365 Ceramic 47 pF 50 V 5 ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D C366 Ceramic 47 pF 50 V 5 ECJ0EC1H470J or CM05CH47...

Page 49: ...04J10AH or 10 or GRM155R71A104KA01D or 5 or CM05X5R104J10AH or CM05X7R104J10AH C385 Ceramic 47 pF 50 V 5 ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D C386 Ceramic 0 01 F 16 V 10 ECJ0EB1C103K o...

Page 50: ...CM05CH470J50AH or GRM1555C1H470JZ01D C403 Ceramic 0 1 F 10 V 10 ECJ0EB1A104K or 5 or CM05B104J10AH or 10 or GRM155R71A104KA01D or 5 or CM05X5R104J10AH or CM05X7R104J10AH C404 Ceramic 2 2 F 10 V 10 EC...

Page 51: ...ic 0 1 F 10 V 10 ECJ0EB1A104K or 5 or CM05B104J10AH or 10 or GRM155R71A104KA01D or 5 or CM05X5R104J10AH or CM05X7R104J10AH C419 Ceramic 0 001 F 50 V 10 ECJ0EB1H102K or 5 or CM05B102J50AH or 10 or GRM1...

Page 52: ...1A224KA01D C432 Ceramic 0 22 F 10 V 10 ECJ1VB1A224K or 50 V or 5 or CM105X7R224J50AT or 10 V or 10 or GRM188R71A224KA01D Connectors CN301 30 pin Female AXK5S3004BV1 CN302 Not used CN303 2 pin Female 2...

Page 53: ...312 HD74LV595ATELL E Shift Registor MOS SMT HD74LV595ATELL E IC313 TLV320AIC13CDBT CODEC MOS SMT TLV320AIC13CDBT IC314 TK11233CUCB G Regulator Switching Bipolar SMT TK11233CUCB G or TK11233BUCB G or T...

Page 54: ...0 kohm 5 1 16 W RK73B1ETTP154J or CR05 154J H or ERJ2GEJ154X R306 Chip Metal Glaze 56 kohm 5 1 16 W RK73B1ETTP563J or CR05 563J H or ERJ2GEJ563X R307 Not used R308 Chip Metal Glaze 47 kohm 5 1 16 W RK...

Page 55: ...p Metal Glaze 1 kohm 5 1 16 W RK73B1ETTP102J or CR05 102J H or ERJ2GEJ102X R328 Chip Metal Glaze 20 kohm 5 1 16 W RK73B1ETTP203J or CR05 203J H or ERJ2GEJ203X R329 Chip Metal Glaze 1 Mohm 5 1 16 W RK7...

Page 56: ...Mohm 1 1 16 W RK73H1ETTP1104F or MCR01MZPF1104 R349 Chip Metal Glaze 100 kohm 5 1 16 W RK73B1ETTP104J or CR05 104J H or ERJ2GEJ104X R350 Chip Metal Glaze 22 kohm 5 1 16 W RK73B1ETTP223J or CR05 223J H...

Page 57: ...0 Chip Metal Glaze 1 kohm 5 1 16 W RK73B1ETTP102J or CR05 102J H or ERJ2GEJ102X R371 Chip Metal Glaze 1 kohm 5 1 16 W RK73B1ETTP102J or CR05 102J H or ERJ2GEJ102X R372 Chip Metal Glaze 1 kohm 5 1 16 W...

Page 58: ...d R392 Chip Metal Glaze 100 kohm 5 1 16 W RK73B1ETTP104J or CR05 104J H or ERJ2GEJ104X R393 Chip Metal Glaze 10 kohm 5 1 16 W RK73B1ETTP103J or CR05 103J H or ERJ2GEJ103X R394 Chip Metal Glaze 10 kohm...

Page 59: ...4X R413 Chip Metal Glaze 1 kohm 5 1 16 W RK73B1ETTP102J or CR05 102J H or ERJ2GEJ102X R414 Chip Metal Glaze 1 kohm 5 1 16 W RK73B1ETTP102J or CR05 102J H or ERJ2GEJ102X R415 Chip Metal Glaze 1 kohm 5...

Page 60: ...tal Glaze 1 kohm 5 1 16 W RK73B1ETTP102J or CR05 102J H or ERJ2GEJ102X R435 Chip Metal Glaze 100 ohm 5 1 16 W RK73B1ETTP101J or CR05 101J H or ERJ2GEJ101X R436 Chip Metal Glaze 47 kohm 5 1 16 W RK73B1...

Page 61: ...tal Glaze 1 kohm 5 1 16 W RK73B1ETTP102J or CR05 102J H or ERJ2GEJ102X R457 Chip Metal Glaze 1 kohm 5 1 16 W RK73B1ETTP102J or CR05 102J H or ERJ2GEJ102X R458 Chip Metal Glaze 1 kohm 5 1 16 W RK73B1ET...

Page 62: ...GEJ103X R479 Chip Metal Glaze 39 kohm 5 1 16 W RK73B1ETTP393J or CR05 393J H or ERJ2GEJ393X R480 Chip Metal Glaze 39 kohm 5 1 16 W RK73B1ETTP393J or CR05 393J H or ERJ2GEJ393X R481 Chip Metal Glaze 2...

Page 63: ...103J H or ERJ2GEJ103X R500 Chip Metal Glaze 10 kohm 5 1 16 W RK73B1ETTP103J or CR05 103J H or ERJ2GEJ103X R501 Chip Metal Glaze 39 kohm 5 1 16 W RK73B1ETTP393J or CR05 393J H or ERJ2GEJ393X R502 Chip...

Page 64: ...Chip Metal Glaze 47 kohm 5 1 16 W RK73B1ETTP473J or CR05 473J H or ERJ2GEJ4723X R521 Chip Metal Glaze 33 kohm 5 1 16 W RK73B1ETTP333J or CR05 333J H or ERJ2GEJ333X R522 Chip Metal Glaze 47 kohm 5 1 1...

Page 65: ...C6 NJM2904V 1 14 8 7 A B Q0 Q1 Q2 Q3 GND Vcc Q7 Q6 Q5 Q4 MR CP LO input PS GND Vcc RF input IF output 1 2 3 4 5 6 C1X 1 2 3 4 5 1 Input 2 GND 3 Input 4 Output 5 V 1 8 16 9 GND2 Osc In GND1 fin 1 Vcc1...

Page 66: ...Noise Amp Output Noise Amp Input AM AGC Input AGC Amp Output RF AGC Output RSSI Output AM SW AM Det Output 1 2 3 4 5 6 7 In Out 1 Out In 1 Out In 2 In Out 2 Cont 2 Cont 3 Vss 14 13 12 11 10 9 8 VDD Co...

Page 67: ...V 67 1 2 3 4 8 7 6 5 E0 E1 E2 Vss Vcc WC SCL SDA 1 Out 2 VDD 3 NC 4 Vss 4 1 3 2 1 2 3 4 5 6 7 14 13 12 11 10 9 8 A Output A Input A Input Vcc B Input B Input B Output D Output D Input D Input GND C In...

Page 68: ...9 90 138 43 20 89 139 42 21 88 140 41 22 26 30 34 87 141 40 23 27 31 35 86 85 84 83 82 81 80 79 78 77 76 75 74 73 142 39 24 28 32 36 143 38 BCLKR1 CVss HCNTL0 DVss BCLKR0 BCLKR2 BFSR0 BFSR2 BDR0 BDR2...

Page 69: ...2SD2118 TL 69 QB Vcc QC QA QD SER QE G QF RCLK QG SRCLK QH SRCLR GND QH 1 16 8 9 IOVSS IOVDD FSD FS DOUT DIN M S PWRDN OUTM1 OUTP1 DRVDD DRVSS OUTP2 OUTP3 OUTMV DVSS DVDD SCLK SDA SCL MCLK RESET INP1...

Page 70: ...or FM4004 T URGB1308B Diodes Cathode Cathode Anode A S3 Cathode Cathode Anode Cathode Cathode Anode Cathode Cathode Mark Anode E Cathode Cathode Anode P1 Cathode Anode 0 Cathode Anode Cathode Cathode...

Page 71: ...eyboard input 81 SQ1 input 15 NC Pull up 49 Keyboard input 82 AM Narrow Filter Select output 16 NC Pull down 50 Keyboard input 83 3rd OSC Control B output 17 Hold input 51 Keyboard input 84 Mute outpu...

Page 72: ...220 R46 22k C66 0 001 XF1 R42 180k R45 220 Q9 2SC4250 HE R43 68k C68 0 001 R47 56k R48 47k R49 560k R50 1k C69 0 001 R63 100 R62 100 C83 0 047 R65 68k R64 100 L22 22uH Q16 2SC4226 R25 C87 0 01 C86 0 0...

Page 73: ...IC311 TC58FVT160AFT 70 1 A15 2 A14 3 A13 4 A12 5 A11 6 A10 7 A9 8 A8 9 A19 10 NC 11 WE 12 RESET 13 NC 14 NC 15 RY BY 16 A18 17 A17 18 A7 19 A6 20 A5 21 A4 22 A3 23 A2 24 A1 25 A0 26 CE 27 Vss 28 OE 2...