Radio Shack PRO-106 Service Manual
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Radio Shack PRO-106 Service Manual

Radio Shack PRO-106 Service Manual

Digital trunking
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PRO-106
Digital Trunking Hand Held Scanner
Catalog Number: 20-106
CONTENTS
Page
Specifications .................................................................................................................................................... 2
Block Diagram ................................................................................................................................................... 4
Alignment And Adjustment ................................................................................................................................ 5
Troubleshooting ............................................................................................................................................... 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
Schematic Diagram ......................................................................................................................................... 72
© 2008 RadioShack Corporation
All Rights Reserved.
RadioShack is a registered trademark used by RadioShack Corporation.

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Summary of Contents for Radio Shack PRO-106

  • Page 1 PRO-106 Digital Trunking Hand Held Scanner Catalog Number: 20-106 CONTENTS Page Specifications ..............................2 Block Diagram ..............................4 Alignment and Adjustment ..........................5 Troubleshooting ............................... 10 Printed Circuit Board ............................15 Wiring Diagram ..............................19 Exploded View ..............................20 Mechanical Parts List ............................21 Electrical Parts List ............................

  • Page 2: Specifications

    SPECIFICATIONS Frequency Coverage 25.000-26.960 MHz 10 kHz steps (AM) 26.965-27.405 MHz 10 kHz steps (AM) 27.410-29.505 MHz 5 kHz steps (AM) 29.510-29.700 MHz 5 kHz steps (FM) 29.710-49.830 MHz 10 kHz steps (FM) 49.835-54.000 MHz 5 kHz steps (FM) 108.000-136.99166 MHz 8.33 kHz steps (AM) 137.000-137.995 MHz 5 kHz steps (FM)
  • Page 3 Unit Nominal Limit Spectrum sweeper sensitivity at 450 MHz Sensitivity FM: (S+N)/N=20 dB 25-54 MHz μV Dev.: 3 kHz at 1 kHz 108-136.99166 MHz μV 137-174 MHz μV 216.0025-224.995 MHz μV 225-299.99375 MHz μV 300-405.9875 MHz μV 406-512 MHz μV 764-960 MHz μV 1240-1300 MHz...

  • Page 5: Alignment And Adjustment

    ALIGNMENT AND ADJUSTMENT ALIGNMENT AND TEST POINT Linear PCB ALIGNMENT PREPARATION Test Equipment Required Oscilloscope DC SSVM FM signal generator Frequency counter (800 MHz) Notes: Use non-metallic tuning tools. The test equipment and receiver should be warmed up for at least 10 minutes before proceeding with alignment. The signal level from the generator should be kept as low as possible to obtain a usable output.
  • Page 6 ALIGNMENT PROCEDURES PLL2 VCO Alignment s t l y l l PLL1 VCO1 Alignment s t l . s t ) . l PLL1 VCO2 Alignment s t l . s t ) . l s t l s t l s t l s t l s t l...
  • Page 7 Adjustment of Coils L23, L24, and L26 non-metallic Each coil should be adjusted carefully by changing tuning tool the pitch of the coil little by little using a non-metallic Coil tuning tool as shown in Figure 3. Increase the pitch of the coil when the measured volt- age at TP2 or TP3 is higher than the voltage listed in Figure 3 Notes:...
  • Page 8 455 kHz FM Discriminator Coil Alignment s t l DC SSVM ANT. Jack FM Signal Unit Generator Under Test Figure 5 3rd Local Alignment FM Singal Generator Frequency Counter Unit Under Test Figure 6...
  • Page 9 IF (380.8 MHz) Trap Adjustment l i c t i s i v i . y t Oscilloscope ANT. Jack Headphone FM Signal Jack Unit Generator Under Test Figure 7 Signal Meter Alignment s t l DC SSVM ANT. Jack FM Signal Unit Generator...

  • Page 10: Troubleshooting

    TROUBLESHOOTING Reception Check Does display Power ON Proceed to DSP freeze showing Waiting section (Boot for DSP or DSP section) check. Loder ..Does the display work properly? Is EEPROM check Defective IC301. program OK? Is the display Defective IC307, LCD normal? and/or associated EEPROM check program...
  • Page 11 Audio Section No audio there any audio at pin 6 of IC12? there any audio at IC8 Pin 1? Defective IC8, IC10 and/or Defective IC10, Q32 and/or associated circuits. associated circuit. Does 5 V exist at IC12 pin 7? Defective IC11 and/or R167. Defective IC12 and/or associated circuit.
  • Page 12 Microprocessor Check Power ON. Does the display work properly? Does the key entry work properly? Does 3.3 volts exist at IC307 pin 14 and 60? Defective key contact or CPU Pin 47-52, Pin 55- 59, Pin 61. Defective IC13 and/or associated circuit.
  • Page 13 DSP Section (Boot Section) Power ON Does the scanner's display freeze showing Waiting for DSP? Does display freeze showing DSP Loader..DSP Boot: FX .X Defective IC313, IC311, and/or associated at power on? circuits. DSP boot section is OK. When IC311 (Flash Memory) is replaced, a one which is loaded with the software must be used.
  • Page 14 DSP Section (Digital Audio, etc.) Receive a frequency with FM mode, in tune mode. (Tune mode turns on digital decode.) Is voltage okay on IC313-pin 2 (3.3 V), and Defective IC309, or LC305. IC313-pin 29 (1.8 V). Is receive Defective IC8, R337, C422 audio present on IC313 and/or associated circuit.
  • Page 15 P R I N T E D C I R C U I T B OA R D L i n e a r P C B T o p V i e w...
  • Page 16 B o t t o m V i e w...
  • Page 19 WI R I N G D I A G R A M...

  • Page 21: Table Of Contents

    MECHANICAL PARTS LIST Ref. No. Description Mfr’s Part No. Antenna, Rubber GE-04D-1050 Assembly, Case, Battery, Alkaline (Black) GA-05D-3550 or GA-99D-3329B Assembly, Case, Battery, Rechargeable (Yellow) GA-05D-3680 or GA-99D-3326B Assembly, Case, Front (Non-Repairable) GA-08D-0360 Case, Front GR-08A-0240 Window, LCD GR-08D-0250 Tape, Adhesive (L) GR-08D-0260 Tape, Adhesive (S) GR-08D-0530...

  • Page 22: Electrical Parts List

    ELECTRICAL PARTS LIST Ref. No. Description RS Part No. Mfr's Part No. Assembly, PCB, Linear GA-08D-0020 Consists of the following: Capacitors Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5% or CM05B102J50AH or ±10% or GRM155R71H102KA01D Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5%...
  • Page 23 Ref. No. Description RS Part No. Mfr's Part No. Ceramic 0.047 μF 10 V ±10% ECJ0EB1A473K or ±5% or CM05B473J10AH or ±10% or GRM155R71A473KA01D Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5% or CM05B102J50AH or ±10% or GRM155R71H102KA01D Ceramic 5 pF 50 V ±0.25 pF...
  • Page 24 Ref. No. Description RS Part No. Mfr's Part No. Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5% or CM05B102J50AH or ±10% or GRM155R71H102KA01D Ceramic 0.047 μF 10 V ±10% ECJ0EB1A473K or ±5% or CM05B473J10AH or ±10% or GRM155R71A473KA01D Ceramic 0.001 μF 50 V ±10%...
  • Page 25 Ref. No. Description RS Part No. Mfr's Part No. Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5% or CM05B102J50AH or ±10% or GRM155R71H102KA01D Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5% or CM05B102J50AH or ±10% or GRM155R71H102KA01D Ceramic 0.001 μF 50 V ±10%...
  • Page 26 Ref. No. Description RS Part No. Mfr's Part No. Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5% or CM05B102J50AH or ±10% or GRM155R71H102KA01D Ceramic 0.01 μF 16 V ±10% ECJ0EB1C103K or ±5% or CM05B103J16AH or ±10% or GRM155R71C103KA01D Ceramic 0.01 μF 16 V ±10%...
  • Page 27 Ref. No. Description RS Part No. Mfr's Part No. C107 Ceramic 0.001 μF 50 V ±5% ECJ1VC1H102J or CM105CH102J50AT or GRM1885C1H102JA01D C108 Ceramic 100 pF 50 V ±5% ECJ0EC1H101J or CM05CH101J50AH or GRM1555C1H101JZ01D C109 Ceramic 100 pF 50 V ±5% ECJ0EC1H101J or CM05CH101J50AH or GRM1555C1H101JZ01D...
  • Page 28 Ref. No. Description RS Part No. Mfr's Part No. C131 Ceramic 15 pF 50 V ±5% ECJ0EC1H150J or CM05CH150J50AH or GRM1555C1H150JZ01D C132 Ceramic 7 pF 50 V ±0.5 pF ECJ0EC1H070D or CM05CH7R0D50AH or GRM1555C1H7R0DZ01D C133 Ceramic 0.001 μF 50 V ±% ECJ1VC1H102J or CM105CH102J50AT...
  • Page 29 Ref. No. Description RS Part No. Mfr's Part No. C155 Ceramic 0.01 μF 16 V ±10% ECJ0EB1C103K or ±5% or CM05B103J16AH or ±10% or GRM155R71C103KA01D C156 Ceramic 180 pF 50 V ±5% ECJ0EC1H181J or CM05CH181J50AH or GRM1555C1H181JA01D C157 Ceramic 0.1 μF 10 V ±10% ECJ0EB1A104K...
  • Page 30 Ref. No. Description RS Part No. Mfr's Part No. C176 Ceramic 0.022 μF 16 V ±10% ECJ0EB1C223K or ±5% or CM05B223J16AH or ±10% or GRM155R71C223KA01D C177 Ceramic 0.022 μF 16 V ±10% ECJ0EB1C223K or ±5% or CM05B223J16AH or ±10% or GRM155R71C223KA01D C178 Ceramic 0.01 μF...
  • Page 31 Ref. No. Description RS Part No. Mfr's Part No. Ceramic Filters 455 kHz CFULA455KF1Y-B0 455 kHz SFPS455H or LT455HTU Connectors 30-pin, Male AXK6S3064BV1 2-pin, Male IL-Y-2P-S15T2-EF(pb Free) or IL-Y-2P-S15T2-EF 2-pin, Male 20010S-02G2T 2-pin, Male 20010S-02G2T Diodes HVU131-TR-F-E Marked P1 Silicon HVU131-TR-F-E HVU131-TR-F-E Marked P1...
  • Page 32 Ref. No. Description RS Part No. Mfr's Part No. Integrated Circuits HD74AC164TELL-E Band Select/Attenuator, MOS HD74AC164TELL-E or TC74VHC164FT-EL,F or TC74VHC164FT-EL,F or HD74AC164TELL or HD74AC164TELL or TC74VHC164FT-EL or TC74VHC164FT-EL μPC2757TB-E3-A 1st Mixer μPC2757TB-E3-A or μPC2757TB or μPC2757TB NJM2406F-TE1(pbF) Detector Bipolar NJM2406F-TE1(pbF) MB15F07SLPFV1-BND-EF-6E1 PLL, MOS MB15F07SLPFV1-BND-EF-6E1...
  • Page 33 Ref. No. Description RS Part No. Mfr's Part No. LPF (108-225MHz) 56 nH HK1608 56NJ-T or LL1608-LFS56NJ LPF (108-225MHz) 82 nH HK1608 82NJ-T or LL1608-LFS82NJ LPF (108-225MHz) 82 nH HK1608 82NJ-T or LL1608-LFS82NJ LPF (25-54MHz) 0.22 μH LK1608 R22K-T or LL1608-LFS R22K LPF (25-54MHz) 0.22 μH LK1608 R22K-T...
  • Page 34 Ref. No. Description RS Part No. Mfr's Part No. DTC114YUA-T106 Marked 64 DTC114YUA-T106 or UN5214-TX Marked 8D or UN5214-TX 2SC4226(R25)T2B-A Marked R25 2SC4226(R25)T2B-A or 2SC4226(R25)-T2B or 2SC4226(R25)-T2B 2SC4226(R25)T2B-A Marked R25 2SC4226(R25)T2B-A or 2SC4226(R25)-T2B or 2SC4226(R25)-T2B DTA114EUA-T106 Marked 14 DTA114EUA-T106 DTC114YUA-T106 Marked 64 DTC114YUA-T106 or UN5214-TX...
  • Page 35 Ref. No. Description RS Part No. Mfr's Part No. Chip, Metal Glaze 4.7 kohm ±5% 1/16 W RK73B1ETTP472J or CR05-472J-H or ERJ2GEJ472X Chip, Metal Glaze 4.7 kohm ±5% 1/16 W RK73B1ETTP472J or CR05-472J-H or ERJ2GEJ472X Chip, Metal Glaze 4.7 kohm ±5% 1/16 W RK73B1ETTP472J...
  • Page 36 Ref. No. Description RS Part No. Mfr's Part No. Chip, Metal Glaze 10 kohm ±5% 1/16 W RK73B1ETTP103J or CR05-103J-H or ERJ2GEJ103X Chip, Metal Glaze 4.7 kohm ±5% 1/16 W RK73B1ETTP472J or CR05-472J-H or ERJ2GEJ472X Chip, Metal Glaze 100 ohm ±5% 1/16 W RK73B1ETTP101J...
  • Page 37 Ref. No. Description RS Part No. Mfr's Part No. Chip, Metal Glaze 56 kohm ±5% 1/16 W RK73B1ETTP563J or CR05-563J-H or ERJ2GEJ563X Chip, Metal Glaze 47 kohm ±5% 1/16 W RK73B1ETTP473J or CR05-473J-H or ERJ2GEJ473X Chip, Metal Glaze 560 kohm ±5% 1/16 W RK73B1ETTP564J...
  • Page 38 Ref. No. Description RS Part No. Mfr's Part No. Chip, Metal Glaze 10 kohm ±5% 1/16 W RK73B1ETTP103J or CR05-103J-H or ERJ2GEJ103X Chip, Metal Glaze 100 kohm ±5% 1/16 W RK73B1ETTP104J or CR05-104J-H or ERJ2GEJ104X Chip, Metal Glaze 10 kohm ±5% 1/16 W RK73B1ETTP103J...
  • Page 39 Ref. No. Description RS Part No. Mfr's Part No. Chip, Metal Glaze 47 ohm ±5% 1/16 W RK73B1ETTP470J or CR05-470J-H or ERJ2GEJ470X Chip, Metal Glaze 4.7 kohm ±5% 1/16 W RK73B1ETTP472J or CR05-472J-H or ERJ2GEJ472X Chip, Metal Glaze 22 kohm ±5% 1/16 W RK73B1ETTP223J...
  • Page 40 Ref. No. Description RS Part No. Mfr's Part No. R113 Chip, Metal Glaze 47 ohm ±5% 1/16 W RK73B1ETTP470J or CR05-470J-H or ERJ2GEJ470X R114 Chip, Metal Glaze 1 kohm ±5% 1/16 W RK73B1ETTP102J or CR05-102J-H or ERJ2GEJ102X R115 Chip, Metal Glaze 3.3 kohm ±5% 1/16 W...
  • Page 41 Ref. No. Description RS Part No. Mfr's Part No. R134 Chip, Metal Glaze 10 kohm ±5% 1/16 W RK73B1ETTP103J or CR05-103J-H or ERJ2GEJ103X R135 Chip, Metal Glaze 10 kohm ±5% 1/16 W RK73B1ETTP103J or CR05-103J-H or ERJ2GEJ103X R136 Chip, Metal Glaze 10 kohm ±5% 1/16 W...
  • Page 42 Ref. No. Description RS Part No. Mfr's Part No. R156 Chip, Metal Glaze 100 ohm ±5% 1/16 W RK73B1ETTP101J or CR05-101J-H or ERJ2GEJ101X R157 Chip, Metal Glaze 4.7 kohm ±5% 1/16 W RK73B1ETTP472J or CR05-472J-H or ERJ2GEJ472X R158 Chip, Metal Glaze 12 kohm ±5% 1/16 W...

  • Page 43: Gr-08D

    Ref. No. Description RS Part No. Mfr's Part No. Transformers 2nd IF 5SSI-403 2nd IF 5SSI-403 2nd IF 5SSI-403 Detector (455 kHz) GRJ-F863 Thermistor 100ohm TBPS1R101K315H5Q or ERTJ1VA101J Crystals 12.75 MHz GR-07D-0661 20.945 MHz GE-00D-3786 Crystal Filters 380.8 MHz SAFC380MA1F0T-TC05 or SAFCG380MAA0T00R05 21.4 MHz GE-99D-3293...
  • Page 44 Ref. No. Description RS Part No. Mfr's Part No. Chassis,Top GR-07D-1570 Escutcheon, Top GR-07C-1530 Lug, Earth GR-07D-1710 Screw, PM 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 Bottom, Shield, VCO GR-07D-0920 Case, Shield...
  • Page 45 Ref. No. Description RS Part No. Mfr's Part No. PCB Assembly, Logic GA-08D-0210 Consists of the following: Capacitors C301 Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5% or CM05B102J50AH or ±10% or GRM155R71H102KA01D C302 Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5%...
  • Page 46 Ref. No. Description RS Part No. Mfr's Part No. C319 Ceramic 0.1 μF 10 V ±10% ECJ0EB1A104K or ±5% or CM05B104J10AH or ±10% or GRM155R71A104KA01D or ±5% or CM05X5R104J10AH or CM05X7R104J10AH C320 Ceramic 0.1 μF 10 V ±10% ECJ0EB1A104K or ±5% or CM05B104J10AH or ±10% or GRM155R71A104KA01D...
  • Page 47 Ref. No. Description RS Part No. Mfr's Part No. C336 Ceramic 47 pF 50 V ±5% ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D C337 Ceramic 47 pF 50 V ±5% ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D C338 Ceramic 47 pF 50 V ±5% ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D...
  • Page 48 Ref. No. Description RS Part No. Mfr's Part No. C356 Ceramic 0.01 μF 16 V ±10% ECJ0EB1C103K or ±5% or CM05B103J16AH or ±10% or GRM155R71C103KA01D C357 Tantalum 1 μF 10 V ±20% TCP1A105M8R or TESVSP1A105M8R or TEESVP1A105M8R or F921A105MPA C358 Ceramic 47 pF 50 V...
  • Page 49 Ref. No. Description RS Part No. Mfr's Part No. C377 Ceramic 0.1 μF 10 V ±10% ECJ0EB1A104K or ±5% or CM05B104J10AH or ±10% or GRM155R71A104KA01D or ±5% or CM05X5R104J10AH or CM05X7R104J10AH C378 Ceramic 0.0022 μF 50 V ±10% ECJ0EB1H222K or ±5% or CM05B222J50AH or ±10% or GRM155R71H222KA01D...
  • Page 50 Ref. No. Description RS Part No. Mfr's Part No. C396 Ceramic 47 pF 50 V ±5% ECJ0EC1H470J or CM05CH470J50AH or GRM1555C1H470JZ01D C397 Ceramic 0.001 μF 50 V ±10% ECJ0EB1H102K or ±5% or CM05B102J50AH or ±10% or GRM155R71H102KA01D C398 Ceramic 0.1 μF 10 V ±10% ECJ0EB1A104K...
  • Page 51 Ref. No. Description RS Part No. Mfr's Part No. C412 Ceramic 2.2 μF 10 V ±10% ECJ2FB1A225K or LMK212BJ225KG-T or GRM21BR71A225KA01L C413 Ceramic 0.1 μF 10 V ±10% ECJ0EB1A104K or ±5% or CM05B104J10AH or ±10% or GRM155R71A104KA01D or ±5% or CM05X5R104J10AH or CM05X7R104J10AH C414 Ceramic...
  • Page 52 Ref. No. Description RS Part No. Mfr's Part No. C426 Ceramic 0.1 μF 10 V ±10% ECJ0EB1A104K or ±5% or CM05B104J10AH or ±10% or GRM155R71A104KA01D or ±5% or CM05X5R104J10AH or CM05X7R104J10AH C427 Ceramic 0.1 μF 10 V ±10% ECJ0EB1A104K or ±5% or CM05B104J10AH or ±10% or GRM155R71A104KA01D...
  • Page 53 Ref. No. Description RS Part No. Mfr's Part No. IC303 S-80820CNNB-B8F-T2G Voltage Detector MOS S-80820CNNB-B8F-T2G or S80820ANNP-EDH-T2G or S80820ANNP-EDH-T2G or S-80820CNNB-B8F-T2 or S-80820CNNB-B8F-T2 or S80820ANNP-EDH-T2 or S80820ANNP-EDH-T2 IC304 NJM13403V-TE1-(pbF) Data Filter Bipolar NJM13403V-TE1-(pbF) or NJM13403V-TE1 or NJM13403V-TE1 IC305 NJM2903V-TE1-(pbF) Data Filter Bipolar NJM2903V-TE1-(pbF) or NJM2903V-TE1...
  • Page 54 Ref. No. Description RS Part No. Mfr's Part No. Transistors Q301 2SA1577(Q)-T106 Marked HQ 2SA1577(Q)-T106 Q302 2SA1577(Q)-T106 Marked HQ 2SA1577(Q)-T106 Q303 2SC4116GR-TE85L,F Marked LG 2SC4116GR-TE85L,F Q304 2SC4116GR-TE85L,F Marked LG 2SC4116GR-TE85L,F Q305 2SC4116GR-TE85L,F Marked LG 2SC4116GR-TE85L,F Q306 2SC4116GR-TE85L,F Marked LG 2SC4116GR-TE85L,F Q307 DTC114YUA-T106 Marked 64...
  • Page 55 Ref. No. Description RS Part No. Mfr's Part No. R318 Chip, Metal Glaze 1 kohm ±5% 1/16 W RK73B1ETTP102J or CR05-102J-H or ERJ2GEJ102X R319 Chip, Metal Glaze 1 kohm ±5% 1/16 W RK73B1ETTP102J or CR05-102J-H or ERJ2GEJ102X R320 Chip, Metal Glaze 1 kohm ±5% 1/16 W...
  • Page 56 Ref. No. Description RS Part No. Mfr's Part No. R339 Chip, Metal Glaze 100 kohm ±5% 1/16 W RK73B1ETTP104J or CR05-104J-H or ERJ2GEJ104X R340 Chip, Metal Glaze 2.2 Mohm ±1% 1/16 W RK73H1ETTP2204F or MCR01MZPF2204 R341 Chip, Metal Glaze 1 kohm ±5% 1/16 W RK73B1ETTP102J...
  • Page 57 Ref. No. Description RS Part No. Mfr's Part No. R361 Chip, Metal Glaze 1 kohm ±5% 1/16 W RK73B1ETTP102J or CR05-102J-H or ERJ2GEJ102X R362 Chip, Metal Glaze 15 kohm ±5% 1/16 W RK73B1ETTP153J or CR05-153J-H or ERJ2GEJ153X R363 Chip, Metal Glaze 1 Mohm ±5% 1/16 W...
  • Page 58 Ref. No. Description RS Part No. Mfr's Part No. R382 Chip, Metal Glaze 100 ohm ±5% 1/16 W RK73B1ETTP101J or CR05-101J-H or ERJ2GEJ101X R383 Chip, Metal Glaze 100 ohm ±5% 1/16 W RK73B1ETTP101J or CR05-101J-H or ERJ2GEJ101X R384 Chip, Metal Glaze 100 ohm ±5% 1/16 W...
  • Page 59 Ref. No. Description RS Part No. Mfr's Part No. R404 Chip, Metal Glaze 10 kohm ±5% 1/16 W RK73B1ETTP103J or CR05-103J-H or ERJ2GEJ103X R405 Chip, Metal Glaze 1 kohm ±5% 1/16 W RK73B1ETTP102J or CR05-102J-H or ERJ2GEJ102X R406 Chip, Metal Glaze 22 kohm ±5% 1/16 W...
  • Page 60 Ref. No. Description RS Part No. Mfr's Part No. R425 Chip, Metal Glaze 22 ohm ±5% 1/16 W RK73B1ETTP220J or CR05-220J-H or ERJ2GEJ220X R426 Chip, Metal Glaze 1 kohm ±5% 1/16 W RK73B1ETTP102J or CR05-102J-H or ERJ2GEJ102X R427 Chip, Metal Glaze 2.4 kohm ±5% 1/16 W...
  • Page 61 Ref. No. Description RS Part No. Mfr's Part No. R447 Chip, Metal Glaze 620 ohm ±5% 1/16 W RK73B1ETTP621J or CR05-621J-H or ERJ2GEJ621X R448 Chip, Metal Glaze 2 kohm ±5% 1/16 W RK73B1ETTP202J or CR05-202J-H or ERJ2GEJ202X R449 Chip, Metal Glaze 2 kohm ±5% 1/16 W...
  • Page 62 Ref. No. Description RS Part No. Mfr's Part No. R469 Chip, Metal Glaze 47 kohm ±5% 1/16 W RK73B1ETTP473J or CR05-473J-H or ERJ2GEJ4723X R470 Not used. R471 Chip, Metal Glaze 470 kohm ±5% 1/16 W RK73B1ETTP474J or CR05-474J-H or ERJ2GEJ474X R472 Chip, Metal Glaze 39 kohm...
  • Page 63 Ref. No. Description RS Part No. Mfr's Part No. R491 Chip, Metal Glaze 10 kohm ±5% 1/16 W RK73B1ETTP103J or CR05-103J-H or ERJ2GEJ103X R492 Chip, Metal Glaze 10 kohm ±5% 1/16 W RK73B1ETTP103J or CR05-103J-H or ERJ2GEJ103X R493 Chip, Metal Glaze 2 kohm ±5% 1/16 W...

  • Page 64: Gr-07D

    Ref. No. Description RS Part No. Mfr's Part No. R516 Chip, Metal Glaze 47 kohm ±5% 1/16 W RK73B1ETTP473J or CR05-473J-H or ERJ2GEJ4723X R517 Not used. R518 Not used. R519 Chip, Metal Glaze 47 kohm ±5% 1/16 W RK73B1ETTP473J or CR05-473J-H or ERJ2GEJ4723X R520 Chip, Metal Glaze...
  • Page 71 MICROPROCESSOR (IC307) PORT FORMAT Number Function Number Function Number Function Tri-Color LED D/A output Power Save output DSP Comms and Pin 12 74LV595A out Tri-Color LED D/A output Select DG Audio output DSP Comms and Pin 14 74LV595A out High Speed Data input DSP Comms output PLL Clock output WX Alert input...

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