Realistic PRO-34 User's Manual
Contents
1. NOTES 007 0578 Gp 8 0 8 39 EN 6071 52 8 12 8071 oor iu LT 408 20101 AS 10070 5072 ALV OJA 1809 4 8 0102 15516802 3000 8812 027 0 8 39 1011 le oa oa 1 M01 3HN deg H9IH JHN 99888 02TL 0L8 39 4 10070 NOT USED C136 C162 8136 10 101 0 118 D 127 R 214 C 217 5 gt 3 0 7081 LAST NO CN103 56 AATIC DIAGRAM Linear Section 0 2 0 ED 0 01 8 8467 0170 15516802 4 7K c168 8466 2 2k 0 001 a 5 5 9 z 5 5 5 0 3 gt 5 5 8155 2 2 10101 TK10420 0103 5 5 15 3 0 2 AR LA mur 8125 470k a ai DEE 012010 m E 0 8 88 Sa gt 54 s 425 ED ES 25 du JU 6 CD los 5 1 289 ag 37 7 6 8 8877 43 3 4 e 8 5 9 3 ei 18 Lale M 5 18 aal 3378 GE J 2 2 a R173 270k 8174 5 6k 8437 2 2k C139 0 001 N 9 8114 2562714 0 1 8 1411 8486 0112 252712 0 E R189 C190 0121 01232. 40 Ref Description RS Part No MFR s Part No 47 kohm 1 10 W RCM473J55 100 kohm 1 10 W RCM104J55 47 kohm 1 10 W RCM473J55 47 kohm 1 10 W RCM473J55 47 kohm 1 10 W RCM473J55 47 kohm 1 10 W 473055 47 1 10 W RCM473J55 100 kohm 1 10 W RCM104J55 470 ohm 1 10 W RCM471J55 1 kohm 1 10 W RCM102J55 22 kohm 1 10 W RCM223J55 47 kohm 1 10 W RCM473J55 2 2 kohm 1 10 W RCM222J55 10 ohm 1 10 W RCM100J55 47 kohm 1 10 W RCM473J55 10 kohm 1 10 W RCM103J55 47 kohm 1 10 W RCM473J55 47 ohm 1 10 W RCM470J55 15 kohm 1 10 W 158 55 100 1 10 W RCM104J55 10 ohm 1 10 W RCM100J55 47 kohm 1 10 W RCM473J55 150 kohm 1 10 W 154 55 10 1 10 W RCM103J55 100 ohm 1 10 W RCM101J55 22 kohm 1 10 W RCM223J55 33 kohm 1 10 W RCM333J55 220 ohm 1 10 W 221455 100 1 10 W 104455 10 kohm 1 10 W RCM103J55 10 kohm 1 10 W RCM103J55 47 1 10 W RCM473J55 3 3 kohm 1 10 W RCM332J55 2 7 kohm 1 10 W 272455 1 5 1 10 W 152455 2 2 1 10 W RCM222J55 10 kohm 1 10 W RCM108J55 10 ohm 1 10 W RCM100J55 220 ohm 1 10 W RCM221J55 2 2 kohm 1 10 W 222055 8 2 1 10 W 822455 4 7 1 10 W 472455 10 1 10 W 103455 4 7 1 10 RCM472J55 1 kohm 1 10 W RCM102J55 4 7 kohm 1 10 W RCM472J55 4 7 kohm 1 10 W 472455 470 1 10 W RCM474J55 4 7 kohm 1 10 W RCM472J55 560 ohm 1 10 W RCM561J55 560 ohm 1 10 W 56145
3. xF101 45718 10 7 MHz MISCELLANEOUS Connector Pin 8 Pin Male 122 3 CN102 Connector Pin 3 Pin Male IL Y 3P S15T2 EF CN103 Connector Pin 16 Pin Male SD 5040 16D 2 Plate VCO Shield GE 87D 7237 Plate VCO Shield 800 MHz GE 87D 7238 03 Fiber VCO Shield GE 87D 7255 Fiber VCO Shield 800 MHz GE 87D 7259 Parts below are only version denotes changes 1 C101 Chip 100 pF 50 V 10 C2C21N1HSL101K C154 Chip 3 pF 50 V 0 25 pF C2C21N1HSLO30C C208 Chip 1 50 0 25 pF C2C21N1HSLO10C C209 Chip 2 pF 50 V 0 25 pF C2C21N1HSLO20C L801 Coil Choke 0 224 H LALOGNAR22M R150 Chip 47 ohm 1 10 W 5 RCM470J55 R189 Chip 1 kohm 1 10 W 5 RCM102J55 R190 Chip 1 5 kohm 1 10 W 5 RCM152J55 R201 Chip 1 5 kohm 1 10 W 15 RCM152J55 R212 Chip 1 kohm 1 10 W 5 RCM102J55 R801 Chip 4 7 kohm 1 10 W 5 RCM472J55 R802 Chip 4 7 kohm 1 10 W 5 RCM472J55 R803 Chip 4 7 kohm 1 10 W 5 472455 Hi Shield Plate GE 88D 7665 RJ LOGIC PCB ASSEMBLY PCB Assembly Logic RS Part No MFR s Part Consists of the following Multilayer Electrolytic Chip Electrolytic Chip Electrolytic Electrolytic Tantalum Tantalum Electrolytic Electrolytic Electrolytic Electrolytic Chip Electrolytic Tantalum Chip Chip Chip Chip Chip Electrolytic Chip Chip Chip Chip Chip Chip Chi
4. 1st IF 10 7 MHz 2nd 1F 455 kHz Power Source 9V DC negative ground only 6 AA batteries or a suitable adapter Jacks Antenna Earphone External Power and Charge Note Nominal Specs represent the design specs all units should be able to approximate these some will exceed and some may drop slightly below these specs Limit Specs represent the absolute worst condition that still might be considered acceptable in no case should a unit perform to less than any limit spec BLOCK DIAGRAM O 10 245MHz 10 7MHz VHF Lo AIR VHF Hi OSC MIXER Bit 1102 pina 10101 VR104 VCO VHF Lo CERAMIC 0114 FILTER VCO IF AMP TRIPLER VHF Hi DET ANL 0115 UHF Lo 0114 0112 0116 UHF Hi AF AMP y MIX DOUBLER VCO UHF Hi 0106 0107 0108 0117 H 0118 SWITCHING 0110 VOLUME BAND SELECT AUDIO AMP Ec Hi 010 011 012 2 EAR 0 HE Hi 043 944 El POWER SAVE Er 104 03 58101 PRESCALER E 107 06 KEY TONE CPU CONT IC5 Q4 5 B MEMORY SORT PLL RAM 108 102 0 DIODE MATRIX 6 4 2 09 010 041 012 Oy VOLTAGE FILTER DC DC CONT REGULATOR 045 046 07 08 103 017 018 Low BATT VOLTAGE DET REGULATOR 104 5 91 02 Q LAMP DRIVER KEY R PRINCIPLES OF OPERATION The PRO 34 is a PLL Phase Locked Loop synthesized VHF UHF FM receiver controlled by a CPU central processing unit via a keyboard
5. QIO e 48 1 7 MBSOILVP G Output Buffer IC8 MB87006APF G BND r I 14 bit SHIFT REGISTER 14 bit SHIFT REGISTER L tl LATCH 14 bit LATCH L ee 1 PROGRAMMABLE REFERENCE DIVIDER 1 I BINARY 14 bit REFERENCE COUNTER L 3 bit SHIFT REGISTER 1 SHIFT SHIFT II gt REGISTER REGISTER cS ae d LC RR I I7 bit LATCH 1 p PUMP l Sal I 7 LATCH LATCH ee PROGRAMMABLE DIVIDER ae SWALLOW PROGRAMMABLE COUNTER COUNTER 1 BINARY 7bit BINARY I l 1 CONTROL CIRCUIT 49 129 LM386N 1 1 INPUT GND 101 TK 10420 LOCAL IN TAL OSC MIXER OUT LIMITER IN DE COUPLING LIMITER OUT QUAD IN SAIN BYPASS 7 GAIN GAIN BYPASS 8 RF GND En SCAN CONTROL SQUELCH IN FILTER OUT FILTER IN DETECTOR OUT DETECTOR 50 Transistor Lead Identification 25 2712 O GR 25 2714 0 25 2732 25 2734 25 3356 RN2402 UN2111 2 EE 1 Emitter 2 Base 3 Collector 35 126 0 25 208 35 136 IV 4 2 2 3 1 Gate 1 2 Gate 2 1 Drain 3 Drain 2 Source 4 Source 3 Gate 25 1150 25 2458 GR RN2202 UN
6. To hold the channel press DELAY when this channel is not set to DELAY To release the delay function press DELAY again To skip certain frequency press L OUT when this channel is not set to L OUT To release the lock out function press LA OUT again To obtain priority operation in manual mode press PRI To release the priority function press again Press to set to program mode 2 2 Enter the desired frequency in each channel as Enter search frequency as follows follows Enter the desired frequency with numeral Press LIMIT and enter the lower frequency of keys the range to search with numeral keys Press ENTER to memorize the frequency If wrong frequency out of the band is enter ed ERROR will be displayed Press CLEAR then enter the correct fre quency Press ENTER Press LIMIT and enter the upper frequency of the range to search Press to advance to next channel Press ENTER Enter the frequency and press ENTER Repeat it to memorize frequencies one by one Press A to search from lower frequency Press to search from upper frequency Press so that priority channel appears squelch must be on To revert to the previous channel press Press to store the desired frequency again 10 monitor channels in the search mode Press numeral keys 1 through 200 and then p
7. Coil choke LALO4NA470K Coil choke LALO4NA470K RESISTOR R301 Carbon Film 39 ohm 1 4 W 5 ERD25PJ390 MISCELLANEOUS JACK Power PWR HECO779 01 030 JACK Power CHG HEC0779 01 030 Plate Power Jack Shield GE 87D 7300 Fiber Power Jack Shield GE 87D 7301 43 MECHANICAL PARTS LIST Description RS Part No MFR s Part Pot Volume W Switch 10 kohm A RL126N00B10k 15 Pot Squelch 10 kohm C RL126N0010k C 15 Jack Antenna GE 85D 5383 Speaker SP 455H Assy PCB Linear for U S A GA 87D 7208 Assy PCB Linear for CANADA GA 87B 7208 A Assy PCB Logic GA 87B 6954 Assy PCB Jack Power GA 87C 7033 Case Battery Black GE 82D 3490 Terminal Battery GE 87D 7015 Contact KEY Lock Switch GE 82D 3395 Assy Bracket PCB for U S A GA 87D 7012 Assy Bracket PCB for CANADA GA 88D 7662 Assy Front Case Non Repairable Black GA 87D 7242 Assy Rear Case Non Repairable Black GA 87D 7243 Cover Battery Black GE 87C 7003 Clip Belt Black GE 82D 3369 Key Top Black GE 84D 5283 Knob Key Lock Black GE 85D 5462 Knob Volume Squelch Black GE 87D 7005 Antenna Rubber Black GE 85D 5376 Pan Head Machine 2x4 Pan Head Machine 2X5 Pan Head Machine 2x8 Bind 3x5 Pan Head TP Tapping 2x4 Stud GE 87D 7016 See page 38 See page 38 See page 38 See page 38 See page 41 See page 44 See page 44 See page 44 See page 44 See page 44 See page 45 See page
8. 2 2 5 916 2502458 68 819 2502712 109 LM386N 1 820 2562712 Y jo CO THES SYMBOL DENOTES DC VOLTAGE FOR AIRCRAFT BAND OPERATION CO THES SYMBOL DENOTES DC VOLTAGE FOR HIGH BAND OPERATION CI THES SYMBOL DENOTES DC VOLTAGE FOR UHF LOW T BAND OPERATION THES SYMBOL DENOTES DC VOLTAGE FOR UHF HIGH BAND OPERATION RATING OR TYPE NUMBER OF COMPONENT PARTS ARE SUBJECT TO CHANGE LTMETER 100k V UNDER FOLLOWING CONDITONS FOR IMPROVEMENT WITHOUT NOTICE COPYRIGHT 1988 T MINIMAUM AND SQUELCH cg LOM MID CONT VCO UHF LOW T UHF HIGH Notes 60 U S PATENT NOS 3 794 925 3 801 914 3 961 261 3 962 644 4 027 251 4 092 594 RADIO SHACK 4 123715 A Division of Tandy Corporation 4 245 348 Fort Worth Texas 76102 Printed in Japan
9. 3 UHF HI Band Test Instrument Connection Connect DC SSVM to TP106 and GND Control Setting OFF VOLUME Control ON SQUELCH Contro CCW Select channel 15 L114 Adjust L114 for 12 V on the DC SSVM See Table 4 Table 4 44 RF Amp Alignment VHF LO Band Control Setting OFF VOLUME Control Test Instrument E Connection Aet Connect instruments shown 1 Select channel 2 and ad just T101 and T10O2 for maximum RF waveform Check channel 1 through 3 for maximum output A slight deviation as Fig 4 is acceptable Remarks ON as Fig 3 SQUELCH Control CCW SWEEP GENERATOR Select channel 1 through 3 30 54 MHz See Table 1 VHF AIR Band Test Instrument OFF VOLUME Control Same as Step 6 SWEEP 1 Select channel 5 and ad ON GENERATOR 108 174 just T103 and T105 for SQUELCH Control CCW MHz Select channel 5 through 6 See Table 1 OFF VOLUME Control ON SQUELCH Control CCW 136 0005 174 MHz Select channel 7 through 9 See Table 1 UHF LO Band Control Setting OFF VOLUME Control Test Instrument Connection SQUELCH Control CCW MHz Select channel 10 through 12 See Table 1 UHF Hi band No adjustment required Same as Step 6 SWEEP ON GENERATOR 380 512 Same as Step 6 SWEEP T104 1 TC101 1 maximum RF output Check channel 4 through 6 for maximum RF output A slight dev
10. 45 QD D 9 D GD e Y As DISASSEMBLY DIAGRAM EXPLODED VIEW nd rear ca Step 1 Remove 4 screws Step 2 Open the front a SEMICONDUCTOR LEAD IDENTIFICATION AND IC CIRCUIT DIAGRAM Integrated Circuit Lead Identification GRE 0620A o nw 63 626 60 5958 575655545352 51 5049 48 4746 45 44 43 SEGI8 SEGI7 SEGI6 SEGI5 SEGI4 SEGIS SEGI2 SEGI SEGIO SEG 9 SEG 8 SEG 7 SEG 6 SEG 5 SEG 4 SEG 3 SEG 2 SEG SEG O SEG2I SEG22 SEG23 SEG24 P60 SEG25 P6I SEG25 P62 SEG27 P63 SEG28 P70 SEG29 PTI SEG30 P72 SEG3I P73 SBTB PB2 5818 PB3 5 SBIA PC2 SBOA PC3 23456789101 1213 14 1516 17 1819 2021 LCD DRIVER INPUT PORT 1 0 PORT INTR CONT INSTRUCTION CONTROL IC2 TC5517CF 20 1 3 S 81250HG 1 GND 2 V IN 3 V OUT MEMORY CELL A6 O ARRAY m 128 x 128 DATA CONTROL CIRCUIT Vin AF 1 4 12805 Reference Volta ge x Level Output Converting 1 Circuit 1 OUTPUT 3 55 2 3 1 5 5 8054 6 uPC358G OUT 8 v AN 02 03 Cc A INPUT OUT Q4 EN INPUTS A INPUT 6 INPUT _ 09 Ql GND V 4 B INPUT 08
11. 0 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 35 MFR s Part No RCM100U55 RCM100J55 RCM104J55 100 55 RCM101J55 RCM101J55 RCM473J55 RCM104J55 RCM473J55 474 55 RCM222J55 RCM101J55 RCM473J55 RCM471J55 RCM100J55 RCM472J55 RCM103J55 RCM101J55 473 55 105 55 222 55 RCM104J55 RCM102J55 101955 RCM473J55 RCM332J55 RCM102J55 RCM103J55 RCM103J55 RCM472J55 RCM101J55 RCM470J55 RCM105J55 RCM101J55 RCM224J55 RCM392J55 RCM102J55 RCM222J55 222 55 RCM470J55 RCM102J55 RCM182J55 RCM182J55 RCM473J55 RCM223J55 RCM273J55 RCM104J55 RCM222J55 RCM472J55 RCM105J55 RCM22255 RCM103J55 RCM103J55 RCM473J55 RCM104J55 RCM332J55 Description RS Part No MFR s Part No 270 kohm 1 10 W RCM274J55 5 6 kohm 1 10 W RCM562J55 470 ohm 1 10 W RCM471J55 100 ohm 1 10 W RCM101J55 270 kohm 1 10 W RCM274J55 5 6 kohm 1 10 W RCM562U55 47 ohm 1 10 W RCM470J55 10 kohm 1 10 W RCM103J55 4 7 kohm 1 10 W 472455 10 1 10 W RCM103J55 10 kohm 1 10 W RCM103J55 100 kohm 1 10 W RCM104J55 10 kohm 1 10 W RCM103J55 100 ohm 1 10 W RCM101J55 47 ohm 1 10 W RCM470J55 100 kohm 1 10 W RCM104J55 470 ohm
12. 1 10 W RCM471J55 1 kohm 1 10 W 102 55 100 1 10 W 101 55 15 kohm 1 10 W 158 55 22 1 10 W RCM223J55 47 kohm 1 10 W RCM473J55 1 kohm 1 10 W RCM102J55 470 kohm 1 10 W RCM474J55 47 kohm 1 10 W RCM473J55 1 kohm 1 10 W 102455 220 1 10 W RCM221J55 100 ohm 1 10 W 101955 1 1 10 W 102 55 15 1 10 W 153 55 22 1 10 W 223 55 47 1 10 W 473 55 47 1 10 W RCM473J55 470 ohm 1 10 W 471 55 1 1 10 W RCM102J55 100 kohm 1 10 W RCM104J55 100 ohm 1 10 W 101455 100 1 10 W 101455 15 1 10 W RCM153J55 470 ohm 1 10 W 471955 22 1 10 W RCM223J55 10 kohm 1 10 W RCM103J55 TRANSFORMERS RF VHF Lo 755 278 RF VHF Lo 7SSR 278 RF Air 755 294 RF VHF Hi 755 290 RF Air 7SSR 289 RF VHF Hi 7SSR 290 IF 10 7 MHz 5SSI 291 DET 455 kHz GR E823 IF 455 kHz 5SSI 292 1110 Coil DET 455 kHz 555 293 1111 Coil VCO VHF Lo 7550 281 1112 Coil VCO Air VHF Hi Lo 7880 282 TRIMMERS TC101 Cap trimmer 40 pF ECR LAO10A12 TC102 Cap trimmer 20 pF ECR LAO20E12 TC103 Cap trimmer 10 pF ECR LAO10A12 TC104 Cap trimmer 20 pF ECR LAO20E12 TC105 Cap trimmer 10 pF ECR LAO10A12 TC106 Cap trimmer 6 pF ECR LAOO6A12 CRYSTAL 101 5717 10 245 MHz H5717 FILTER CRYSTAL
13. 1HSL120K C2C21N1HSLO60D C2C21N1HSL220K C2C21N1HSL101K SMB16V100M C2C21N1HSL330K KBF 455P 15A BB609A 15516802 BB609A 18516802 18516802 1SV136AU2 15516802 15516802 15516802 1SV136AU2 182076 18 14602 1SV146U2 182090 HSM2692 or 1K261 OA90R or 1 261 OA90R or 1K261 BB609A BB609A 182076 182076 182076 15V146U2 15V146U2 15V146U2 15V146U2 HSM2693 DAN202K TK10420 Linear Quad TK10420 Description MFR s Part No COILS amp INDUCTORS RFC RFC Coil RF UHF Lo RFC Coil RF UHF Lo Coil RF UHF Hi Coil RF UHF Hi RFC Coil RF UHF Hi Coil choke 10 Coil choke 0 22 Coil RF UHF Lo Stripline on PCB Coil VCO UHF Hi TRANSISTORS FET Chip 3SK126 0 MOS Chip 28C2712 Y NPN FET Chip 3SK136 IV Chip 25 3356 25 2732 28 3356 25 3356 Chip 25 3356 Chip 25 2714 0 FET Chip 28 208 0 Chip 25 2712 0 25 2712 0 28C2714 0 Chip 25 2714 0 Chip 25 3356 25 2714 0 25 3356 28C2734 RESISTORS 100 ohm 1 10 W 5 100 kohm 1 10 W 100 ohm 1 10 W 100 kohm 1 10 W 100 ohm 1 10 W 100 ohm 1 10 W 47 kohm 1 10 W 4 7 kohm 1 10 W 47 kohm 1 10 W 10 kohm 1 10 W 470 kohm 1 10 W 47 kohm 1 10 W 47 kohm 1 10 W 100 kohm 1 10 W 220 ohm 1 10 W 34 4LNC 092 4LNC 122 8LNR 093 4LNC 122 8LNR 093 GE 87D 7120 GE 87D 7120 2LNB 2
14. 221K C3K21N1HR102K C2C21N1HSL470K C2C21N1HSL560K C3K21N1EF104Z C3K21N1HR102K C2C21N1HSL471K C2C21N1HSL221K C3K21N1HR103M C2C21N1HSL221K C2C21N1HSL220K C3K21N1HR472K C2C21N1HSL560K TSD 8 1V010M TSD S 1VR33M C2C21N1HSL100D C3K21N1EF104Z RPE131F104Z50 C3K21N1HR102K SM10V221M SM10V221M SMB35V4R7M SMB16V100M Description RS Part No MFR s Part No Electrolytic 2 24 F 20 SMB50V2R2M Electrolytic 20 SMB50V010M Multilayer 0 1 uF 80 20 1312104250 Electrolytic 100 F 20 SMB10V101M Multilayer O 14F V 80 2096 RPE131F104Z50 RESONATOR CERAMIC Ceramic Resonator 2 MHz EFO FC2004A4 DIODES 182076A Silicon 152076 182076 Silicon 1S2076A SD 103 Silicon 50 103 182076 Silicon 1S2076A HZ6A1L Zener HZ6A1L HZ16 3L Zener HZ16 3L 152076 Silicon 1S2076A 182076 Silicon 1S2076A Not Used 1S2076A Silicon 182076 1S2076A Silicon 1S2076A Not Used HZ12B2L Zener HZ12B2L 182076 Silicon 182076 DAN202K Silicon DAN202K Chip DAP202K Silicon DAP202K Chip IMN10 Silicon IMN10 Chip IMN10 Silicon IMN10 Chip IMN10 Silicon IMN10 CPU C MOS GRE 0620A RAM 16K C MOS TC5517CF 20 Regulator C MOS S 81250HG DET Low C MOS MN1280S DET Voltage Regulator BIPOLAR S 8054HN Zeromatic Cont BIPOLAR 4 PC358G Pre Scalor BIPOLAR MB501LVP G PLL C MOS MB87006APF G BND Audio Amp BIPOLAR LM386N 1 INDUCTORS Coil choke 1 mH FL5H102K Coil
15. 4 Do 55 Schematic Diagram Linear Section Henne 56 Schematic Diagram Logic Section Henne 58 SPECIFICATIONS Frequency Coverage VHF LOW x1 30 54 MHz 5 kHz steps AIRCRAFT 108 136 MHz 25 kHz steps VHF HIGH 136 005 174 MHz 5 KHz steps UHF LOW 380 512 MHz 12 5 kHz steps UHF HIGH 2 806 0000 823 9375 MHz 2 851 1125 868 9375 MHz 2 896 1125 960 0000 MHz 12 5 kHz steps UNIT NOMINAL LIMIT Sensitivity VHF LOW FM 1 0 2 0 AIRCRAFT uM 2 0 5 0 VHF HIGH FM uM 1 0 3 0 UHF LOW FM 1 0 4 0 HIGH 2 0 4 0 Squelch Sensitivity at threshold uM 1 2 at tight dB 25 15 Selectivity 6 dB kHz 10 14 50 dB kHz 20 25 Spurious Rejection VHF LOW at 40 MHz dB 50 40 except primary image AIRCRAFT at 124 MHz dB 50 40 VHF HIGH at 154 MHz dB 50 40 UHF Not specified 1 68 88 MHz for 20 9134 2 806 960 MHz for 20 9134 IF Rejection dB 50 40 Modulation Acceptance EIA RS 204 A kHz E8 5 Signal to Noise Ratio VHF LOW 40 MHz dB 45 30 AIRCRAFT at 124 MHz dB 35 25 VHF HIGH at 154 MHz dB 45 30 UHF LOW at 450 MHz dB 35 25 UHF HIGH at 860 MHz dB 35 25 Residual Noise Vol Min mV 3 5 Scanning Speed channels sec 8 6 10 Scan Delay Time sec 2 1 3 Audio Output Power T H D 10 mW 200 150 Channels of Operation Any 200 channels in any band combination Channel Frequency and Mode Display Liquid crystal display Receiving System Direct Key entry Digital Controlled Synthesizer Superheterodyne
16. 4111 3 1 1 Emitter 2 Collector 3 Base E 2SK118 or R 1 Source 2 Gate 3 Drain Diode Identification and Lead Polarity 15516802 Silicon Cathode Anode Cathode Band Green 152076 Silicon Cathode Anode Cathode Band Navy Blue HZ6A1L HZ12B2L HZ16 3L Zener Body Orange Cathode Anode Type No Cathode Band Navy Blue D BB609A Varactor Cathode Anode Cathode Band 1SV136AU2 Silicon Cathode Cathode band Black 15 14602 Varactor Cathode Anode 2nd Band Yellow 151 Band Black 152090 Varactor Cathode 2nd Band Red 1st Band Black H OA90R Cthode Anode Cathode band 5912 K261 4 555668 5 2692 L 5 2693 202 M DAP202K N IMN10 Cathode Cathode 1st 2nd Band Red Silicon Anode Anode 1st 2nd Band Silver 2 1 3 3 2 1 3 4 5 6 3 2 1 53 1 NC 2 Anode 3 Cathode 1 Anode 2 Anode 3 Common Cathode 1 Cathode 2 Cathode 3 Common Anode 1 Cathode 2 Cathode 3 Cathode 4 Anode 5 Anode 6 Anode MICROPROCESSOR IC1 PORT FORMAT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 0000 OOONO ha ND Initialize signal input NC B Vss Resonator co
17. 5 2 2 kohm 1 10 W 222455 22 1 10 W RCM223J55 10 kohm 1 10 W RCM103J55 47 kohm 1 10 W RCM473J55 220 kohm 1 10 W 224 55 47 1 10 W RCM473J55 eu R69 Chip 10 ohm 1 10 W 5 RCM100J55 R70 Chip 470 ohm 174W 459 RCP471J55 R71 Chip 10 kohm 1 10 W 5 RCM103J55 R72 Chip 33 ohm 1 4 5 RCP330J55 R73 ChiP 82 ohm 1 10 W 5 820 55 BIE TRANSFORMER TI kos transformer 7 50 244 TRIMMER TC1 Cap trimmer 20 pF ECR LAO20E12 CRYSTAL Crystal 6 4 MHz GE 87D 7232 MISCELLANEOUS Connector Pin 2 Pin PI22A02M CN2 Connector Housing 16 Pin Female 5224 16CHPB J1 Jack Earphone HSJ0836 01 500 SW1 Switch Push Remote Manual SKHHLM SW2 Switch Push Remote Scan SKHHLM Sw3 Switch Push Reset SKHLAC Connevtor LCD GE 87D 7017 8 Reflector LCD GE 87D 7006 Holder LCD GE 87D 7013 80 Plate Logic Shield GE 87D 7236 GD Fiber Logic Shield GE 87D 7235 cM POWER JACK PCB ASSEMBLY PCB Assembly Jack Power RS Part No MFR s Part No Consists of the following GA 87C 7003 CAPACITORS Description RS Part No MFR s Part Multilayer 0 1 uF 50 V 8095 20 RPE131F104Z50 Ceramic 0 001 4 F 50 V 10 HE50SJYB102K Ceramic 0 001 F 50 V 10 HE50SJYB102K Silicon 555668 S5566B INDUCTORS
18. 53 GE 87D 7120 LALO3NA100K LALOSNAR22M 8LNR 093 2LNB 252 35 126 0 25 2712 38K 136 IV 28 3356 28 2732 25 3356 25 3356 25 3356 25 2714 0 25 208 0 25 2712 0 25 2712 0 25 2714 0 25 2714 0 25 3356 25 2714 0 25 3356 25 2734 101455 RCM104J55 RCM101J55 RCM104J55 RCM101J55 RCM101J55 RCM473J55 472455 RCM473J55 RCM103J55 474 55 RCM473J55 RCM473J55 RCM104J55 RCM221J55 Description RS Part No Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Not Used Chip Chip Chip Chip Chip Chip Chip Chip Chip ChiP Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip 10 ohm 10 ohm 100 kohm 10 ohm 100 ohm 100 ohm 47 kohm 100 kohm 47 kohm 470 kohm 2 2 kohm 100 ohm 47 kohm 470 ohm 10 ohm 4 7 kohm 10 kohm 100 ohm 47 kohm 1 2 2 kohm 100 kohm 1 kohm 100 ohm 47 kohm 3 3 kohm 1 kohm 10 kohm 10 kohm 4 7 kohm 100 ohm 47 ohm 1 Mohm 100 ohm 220 kohm 3 9 kohm 1 kohm 2 2 kohm 2 2 kohm 47 ohm 1 kohm 1 8 kohm 1 8 kohm 47 kohm 22 kohm 27 kohm 100 kohm 2 2 kohm 4 7 kohm 1 Mohm 2 2 kohm 10 kohm 10 kohm 47 kohm 100 kohm 3 3 kohm 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 10 W 1 1
19. 6 TRU 78 ERU SE AE 88 Response dB 68 Freq MHz SCHEMATIC DIAGRAM Linear Sectio E 5 Gas gs 999 g 022 667 d 0022 R191 10 0210 8209 100 LA R198 199 ik 40p AN g 2503356 8206 470 0111 2362742 0 2278 9 a 10007 5 5 dus 8 798 ER 2089 FAST 88 g 09 5 90721 0121 0123 LO THIS SYMBOL DENOTES VOLTAGES FOR UHF LOW T BAND OPERATI THIS SYMBOL DENOTES VOLTAGES FOR UHF HIGH BAND OPERATIC RATING OR TYPE NUMBER OF COMPONENT PARTS ARE SUBJECT LA THIS SYMBOL DENOTES VOLTAGES FOR HIGH BAND OPERATION USED FOR CANADA VORSION angyTAST ES HST vorat 89 ESO UNTO zn THIS SYMBOL DENOTES VOLTAGES FOR AIRCRAFT BAND OPERATI 9 7 8 9 10 11 12 E pE E T doof 8 Y ju S ee ee saman ver EE Alb EAK DC VOLTMETER 100k V UNDRE FOLLOWING CONDITIONS CH 1 LOW BAND AT 30MHz MANUAL OPERATION VOLUME AT MINIMUM AND SGUELCH CCW 8 10070 usss os EE 8 EZTU S 8 21891551 Br i zc e I 5 8010 r 4 oor 8 Y E 4 ig 5 10070 6113 2 m 21891551 oor A BS 4 8 8 T N 3354 8 3001 8575 TER EIE
20. AR 1 1 1 CLOCK Pin78 DATA i I Pin80 PULSE t Pin72 63usec ja 12usec Note Enter 150 0000 MHz to channel 1 and lock out other channels Observe the waveform while scanning 15 Reception Check Does DISPLAY properly NO YES Does 50 function and scan when SQ is ON NO YES Does key entry work NO properly MES the Unit produce NOISE when Volume control is turned clock wise SQ counter clockwise NO YES 15 reception OK when correct NO frequencies are entered YES Does Memory function work OK YES END 15 the backup capacitor 1C4 OK 15 CPU control circuit which consists of 1 5 04 15 memory power supply circuit which consists of 1C3 OK 15 Power Supply circuit OK 15 Voltage regulator OK Is 1C1 clock oscillation waveform or reset OK 15 CPU control circuit OK 15 DC DC converter which consists of Q7 8 OK 15 Keyboard and or associated circuit OK 161 OK 15 Voltage regulator circuit which consists 18 1 1 reset properly of 01 2 and 5 15 the band selection which consists of Q10 14 OK 15 IF Amp or Noise Amp circuit 1 101 OK 15 1 101 and or associated circuit OK 15 PLL circuit which consists of 7 8 OK 15 Mute circuit Q19 O
21. C21N1HSL1R5C Chip 0 5 pF C2C21N1HSLOR5C Chip 2 pF C2C21N1HSLO20C ChiP 33 pF C2C21N1HSL330K Chip 33 pF C2C21N1HSL330K Chip 33 pF C2C21N1HSL330K Chip 33 pF C2C21N1HSL330K 91 Description RS Part No MFR s Part No Chip 1 5 pF 0 25 pF C2C21N1HSL1R5C Chip 4 pF 0 25 pF C2C21N1HSLO40C Chip 33 pF 10 C2C21N1HSL330K Chip 33 pF 10 C2C21N1HSL330K Chip 1 pF 0 25 pF C2C21N1HSLO10C Chip 0 001 4 F 10 C3K21N1HR102K Chip 0 001 4 F 10 C3K21N1HR102K Chip 0 01 uF 10 C3K21N1HR103K Chip 39 pF C2C21N1HSL390K Chip 68 pF C2C21N1HSL680K Chip 22 pF C2C21N1HSL220K Chip 0 001 4 F C3K21N1HR102K Not Used Tantalum 0 47 uF TSD S 1VR47M Tantalum 0 47 uF TSD S 1VR47M Chip 8 pF E C2C21N1HSLO80D Electrolytic 220 uF SMT6 3V221M Tantalum 0 22 uF TSD S 1VR22M Mylar 0 01 uF NNM 103K Chip 8 pF C2C21N1HSLO80D Chip 0 001 F C3K21N1HR102K Chip 470 pF C2C21N1HSL471K Chip 0 001 F C3K21N1HR102K Mylar 0 01 uF NNM 103K Mylar 0 047 F NNM 473K Tantalum 0 1 uF TSD S 1VOR1M Chip 470 pF C2C21N1HSL471K Electrolytic SMB50V010M Electrolytic 47 uF E SMB6 3V470M Electrolytic 104F SMB16V100M Chip 0 01 F C3K21N1HR103K Electrolytic SMB50V010M Electrolytic 104F SMB16V100M Mylar 0 056 4 F NNM 563K Tantalum 0 1 uF TSD S 1VOR1M Tantalum 0 1 uF TSD S 1VOR1M Elctrolytic 14F SMB50V010M Chip 100 pF C2C21N1HSL101K Chip 0 001 4 F C3K21N1HR102K Chip 470 pF C2C21N1HSL471K Chip 5 pF C2C21N1HSL050C Chip 47 pF C2C21N1HSL470K Chip 33
22. GA 870 7208 Consists of the following GA 878 7208A CANADA CAPACITORS Ref No Description RS Part No MFR s Part No C101 Chip 0 001 C3K21N1HR102K C102 Chip 0 01 uF C3K21N1HR103K C103 Chip 0 001 F C3K21N1HR102K C104 Chip 0 001 F C3K21N1HR102K C105 Chip 0 001 4 F C3K21N1HR102K C106 Chip 0 01 uF C3K21N1HR103K C107 Chip 0 0014 F C3K21N1HR102K C108 Chip 0 001 uF C3K21N1HR102K C109 Chip 0 001 4F C3K21N1HR102K C110 Chip 3 pF C2C21N1HSLO30C C111 Chip 0 001 x F C3K21N1HR102K C112 Chip 22 pF C2C21N1HSL220K C113 Chip 0 001 4 F C3K21N1HR102K C114 Chip 0 001 F C3K21N1HR102K C115 Chip 0 001 F C3K21N1HR102K C116 Chip 0 001 uF C3K21N1HR102K Chip 0 001 xF C3K21N1HR102K C118 Chip 0 001 F C3K21N1HR102K C119 Chip 0 001 F C3K21N1HR102K C120 Chip 10 pF C2C2N1HSL100D C121 Chip 0 001 4 F C3K21N1HR102K C122 Chip 100 pF C2C21N1HSL101K C123 Chip 0 001 uF C3K21N1HR102K C124 Chip 0 01 uF C3K21N1HR103K C125 Chip 0 01 uF C3K21N1HR103K C126 Chip 0 001 F C3K21N1HR102K C127 Chip 2 pF C2C21N1HSLO20C C128 Chip 5 pF C2C21N1HSLO50C C129 Ceramic 100 pF HE50SJSL101K C130 Chip 100 pF C2C21N1HSL101K C131 Mylar 0 047 4 F NNM 473K Chip 33 C2C21N1HSL330K Chip 0 001 uF C3K21N1HR102K C134 Chip 0 001 F C3K21N1HR102K Chip 10 pF C2C21N1HSL100D Not Used Ceramic 100 pF HE50SJSL101K Chip 1 pF C2C21N1HSLO10C Chip 0 001 F C3K21N1HR102K Chip 0 001 F C3K21N1HR102K Chip 0 001 24 1 102 Chip 3 pF C2C21N1HSLO30C Chip 1 5 pF C2
23. K 15 VCO circuit 18 Audio Amp 1 9 Q114 116 and 118 OK zio POWER Enter program 150 000 in CH1 Power switch OFF Does 4 5 0 3 V exist at Pin 7 of YES Power switch ON 15 150 000 displayed at CH1 Remove batteries or Ext power and then insert them after 1 hour Power switch ON 15 150 000 displayed at CH1 YES MEMORY circuit is OK NO NO NO Note 1 Note 2 Prior to checking the CPU System mea sure supply voltage to ICs See schemat ic diagram While checking the following items the ICs can latch up If so push RESET switch for about one second and then continue Be sure that either the built in AA batteries or the external power is present on this check Defective back up circuit 1 3 D3 Defective CPU control circuit 1 5 and or 1C2 Defective back up capacitor C4 2172 TROUBLESHOOTING Symptom Display dose not light and no sound when POWER is on Volume control MAX Squelch control counterclockwise CCW Display lights but no sound Volume control MAX Squelch control CCW 1 2 3 4 1 2 3 4 Cause Remedy Defective batteries Change batteries Wrong polarity of batteries Correct the polarity of batteries Defective external power jack or charge jack Replace Defective ON OFF switc
24. REALISTIC Service Manual PRO 34 Programmable Scanner Catalog Number 20 135 9135 m3 E k mn c si 5 Contents 2 3 Block Diagram nnn 4 Principles of Operation 5 General Operation Outline HH nnne nnne nennen nnne nennen nnne 7 Alignment Adjustment nnn 9 Reception CHECK EE 16 Memory Mele 17 Troubleshooting nennen nennen enne nne nennen nennen nennen nnne nnne nennen ene 18 Wiring Diagrarn 20 Jack VANTA 21 Jack PCB Bottom View nnn 22 Linear PCB Top View eee eee eee eee ee eee eres sess eee eee eee eee eee ee eee CeCe eee ee eser he thoro nn 23 Linear PCB Bottom View 25 Logic PCB Top 27 Logic PCB Bottom View Henne nennen 29 31 Mechanical Parts 44 Disassembly Diagram Exploded Henne eene 45 Semiconductor Lead Identification and IC Circuit Diagram HMM 46 Microprocessor Port Format 5
25. The VHF Lo band 30 54 MHz or VHF Hi band 136 005 174 MHz is received in 5 kHz increments and the UHF Lo band 380 512 MHz UHF Hi band 806 960 MHz is set up to be 12 5 kHz increments Similarly the aircraft band 108 136 MHz is in a 25 kHz step All functions such as receiving frequency range frequency determination scanning and delay time etc are controlled by the CPU The CPU is able to do only the assigned functions and no modification of the CPU is feasible The following paragraphs explain the operation of the circuit in terms of the functional blocks A varactor variable capacitance diode tuning Automatic Tuning System is employed on all Bands Field effect transistors FET are used in the RF MIX circuits of low and high Bands to achieve optimum mix modulation and mutual modulation characteristics 0109 amplifies the 10 7 MHz IF A 10 7 MHz monolithic crystal filter is incorporated to obtain a good IF selectivity 10101 contains the local oscillator mixer IF amplifier quadrature FM detector and noise amplifier A crystal oscillator produces 10 245 MHz which is mixed with 10 7 MHz resulting in 455 kHz IF A 455 kHz ceramic filter is provided to increase the IF selectivity The 455 kHz IF signal is amplified in the IF amp stage and the quadrature FM detector detects it to an audio signal The detected output of the FM is applied to IC9 amplifies the audio signals and drives the speaker is the CP
26. U The CPU does data processing calculation etc Any unstable supply voltage Voo to the CPU can cause the CPU to get mal functioned such as wrong data processing wrong data transfer etc To overcome this C2 and R13 in the logic circuit initialize the CPU Refer to the logic section schematic on page 60 The initialization is done as soon as batteries or external power is connected Figure A shows the initializing waveform Memory backup function is automatically started whenever the initialization has been done and then functions in approximately 1 hour after the batteries or external power is disconnected The RESET switch is located in the hole on the bottom of the battery compartment and is used to correct an LCD or keyboard mal function The unit has battery saving control circuit in manual mode When the unit is in operation the pin 74 of 1 CPU is and is ON If no signal input no key input existed more than 5 seconds in manual mode with the SQUELCH on the pin 74 becomes L Fig and Q3 turns off then the power supply for most of circuit is shut down except CPU and Audio circuit In this battery saving mode 40 of the power can be saved during normal operation The initialization of the CPU mentioned above can also be done by pushing RESET switch Figure A shows the rise time duration when the initialization is done CX1 2 MHz is a ceramic oscillator clock which is used for CPU control Figu
27. and defective parts operate 2 Defective Q12 in band switch circuit Replace the defective parts 13 UHF Lo band does not operate but 1 Defective Q104 105 Q115 and or associated circuit Replace the defective VHF Lo Air VHF Hi and UHF Hi band parts operate 2 Defective Q13 in band switch circuit Replace the defective parts 1 Defective 0106 108 117 and or associated circuit Replace the defective parts 2 Defective Q118 VCO circuit Replace the defective parts 3 Defective Q14 and or associated circuit Replace the defective parts 1 Defective Q20 and or associated circuit Replace the defective parts 2 Defective IC1 and or associated circuit Replace the defective parts 16 LOW BATT does not indicate when battery voltage went down 14 UHF Hi band does not operate but VHF Lo Air VHF Hi and UHF Lo band operate 1 Defective IC4 and or associated circuit Replace the defective parts 1 Defective IC6 Q9 and DA1 in Zeromatic circuit Replace the defective parts 2 Discriminator coil is out of adjustment TP103 shall have 1 2 Vcc approx 2 7 V in normal receiving mode 3 Refer to Reference Frequency OSC Alignment on page 10 17 Zeromatic does not operate or holds on a drifted frequency at search operation Important Note Pulse generated while checking circuits and or certain combinations of key operation may cause improper operation To clear the malfunction re initialization of CPU is n
28. choke 100 LALO3NA101K Coil choke 100 LALO3NA101K Coil choke 100 LALO3NA101K Coil choke 100 LALO3NA101K Coil choke 100 LALO3NA101K mg Description RS Part No MFR s Part No Coil choke 10 LALO3NA100K Coil choke 100 LALO3NA101K EDDO63ZA8A4H Lamp 6 V 35 mA TI SV35MA WT TRANSISTORS e Te 28C2712 Y NPN 28C2712 Y 25 2712 25 2712 25 2712 25 2712 28C2458 GR NPN 25C2458 GR 2SA1150 Y PNP 2SA1150 Y 2SA1150 Y PNP 25 1150 25C2712 GR NPN 28C2712 GR 25C2712 GR NPN 28C2712 GR 25C2712 GR NPN 25C2712 GR RN2402 or UN2111 PNP RN2402 or UN2111 RN2202 UN4111 PNP RN2202 or UN4111 RN2202 or UN4111 PNP RN2202 or UN4111 RN2202 UN4111 PNP RN2202 or UN4111 RN2202 UN4111 PNP RN2202 or UN4111 2SC2458 GR NPN 2SC2458 GR 2SC2458 GR NPN 2SC2458 GR 2SA1150 Y PNP 2SA1150 Y 2SK118 O or R MOS 2SK118 0 or R 2SC2712 Y NPN 2SC2712 Y 2SC2712 Y NPN 2SC2712 Y RN2402 or UN2111 RN2402 or UN2111 RESISTORS 10 kohm 1 10 W 5 RCM103J55 10 kohm 1 10 W 5 108 55 10 kohm 1 10 W 5 108 55 4 7 1 10 W 5 RCM472J55 10 kohm 1 10 W 5 RCM103J55 10 kohm 1 10 W 5 RCM103J55 47 kohm 1 10 W 5 473055 47 kohm 1 10 W 5 RCM473J55 47 kohm 1 10 W 5 RCM473J55 47 kohm 1 10 W 5 RCM473J55 47 kohm 1 10 W 5 RCM478J55
29. e parts Defective CPU IC1 and or associated circuit Replace the defective parts Defective CPU and or associated circuit Replace the defective parts Squelch control is not adjusted right Turn squelch control clockwise All bands do not operate but display is OK 1 2 3 4 Faulty connection between linear and logic PCBs Replace the defective parts Defective Q15 18 in low pass filter Replace the defective parts Defective IC7 8 and or associated circuit Replace the defective parts Defective Q1 2 5 voltage regulator and or Q7 8 D6 7 30 31 DC DC converter circuit and or Q3 6 power saving circuit Replace the defective parts Symptom Cause Remedy 10 VHF Lo Mid band does not operate 1 Defective D101 104 T101 102 Tuning circuit and or Q114 VCO circuit but Air VHF Hi UHF Lo and UHF Hi Replace the defective parts band operate 2 Defective Q10 and or associated circuit Replace the defective parts 11 Aircraft band does not operate but 1 Defective D111 and or associated circuit Replace the defective parts VHF Lo VHF Hi UHF Lo and UHF Hi 2 Defective IF Amp including 0111 112 Replace the defective parts band operate 3 Defective Q11 in band switch circuit Replace the defective parts 12 VHF Hi band does not operate but VHF 1 Defective D105 109 T104 106 and or associated circuit Replace the Lo Air Lo and UHF Hi b
30. ecessary Push RESET switch while pressing CLEAR and then release the RESET switch channels 200 ch will be cleared and frequency indicator displays 000 0000 Be sure the power is on when doing the above 19 WIRING DIAGRAM Batt Terminal J Red Speaker SPKI ka 22 paro Soldering tor Bracket PCB Soldering for Used for Canada Model 20 POWER JACK PCB View 8 813 1031 POWER JACK PCB Bottom View 0 2 8 39 R301 ace LINEAR PCB Top View 02 oa s R PCB Top View 102 TPIO5 TPIO6 0 owe E DO amp 293 12 9 7 x C202 016 8160 Rise LINEAR PCB Bot TPIO6 TPIO5 0164 0163 LIQ 260 JO IEAR PCB Bottom View l 8 J e Or 057 m 181531 He 26 LOGIC PCB Top View 97 GIC PCB View e ld 19 119 28 LOGIC PCB 1 j oom unn 29 LOGIC PCB Bottom View eee ae Qmm 55 T 35 ELECTRICAL PARTS LIST LINEAR PCB ASSEMBLY RS Part No MFR s Part No PCB Assembly Linear
31. emarks Ant Jack Ear Jack Scope Ant Jack Ear Jack Figure 8 Figure 9 Test Instrument Connection OFF VOLUME Control Connect FM signal generator to Turn off the modulation and ON the ANT jack and SSVM to measure the S N N ratio SQUELCH Control CCW EAR jack across 8 onm dummy Channel as Table 1 load Set the signal generator to each frequency as Table 1 Set the VOLUME control for dB 0 775 reading on the SSVM Control Setting Remarks Note TP104 15 used to observe the AM band detection output Zeromatic Function Test Procedure Discriminator curve Zeromatic functions when OUTPUT 15 in L level O e es e2 lt e lt Vcc OUTPUT IC4 Pin No 8 H H To adjust the e voltage receive a signal in the manual mode and set T103 to obtain 2 7 V 1 2 Vcc at 103 It is convenient to use the National Weather Service Signal for the adjustment In the event of Zeromatic not functioning correctly refer to Reference Frequency OSC Alignment page 10 and check 118 700000 MHz 10 Hz and adjust T103 again to 2 7 V DC while a signal is being received Key Access Pulse Output 101 88u sec mm gt 306usec A A A Note Set KEY LOCK SW to OFF and do not push any key in the Program Mode PLL Data Waveform IC1 32usec 143usec 143usec 0
32. gnment VHF LO Band Control Setting Frequency Counter Test Instrument Connection OFF VOLUME Control ON SQUELCH Control CCW Select channel 1 3 through Adjust Remarks Connect DC SSVM to TP106 and GND Frequency Table 2 IO 103 FETI 1 Select channel 3 and ad just TC103 for 13V on the DC SSVM Select channel 1 and ad just TITI for 1 0 the DC SSVM Repeat steps 1 and 2 until no further improve ment is observed See Table 2 2 VHF AIR and LO Bands Test Instrument Control Setting Connection Adjust Remarks OFF VOLUME Control Connect DC SSVM to 1 Select channel 12 and ON TP106 and GND adjust 105 for 13 V on SQUELCH Control CCW the DC SSVM Select channel 4 through 2 Select channel 4 and ad 12 just T112 for 1 0 V on the DC SSVM Repeat steps 1 and 2 until no improvement is observed See Table 3 CH Frequency Voltage CH4 108 0000 MHz Voltage at TP106 0 9 1 1 V CH5 121 0000 MHz Voltage at TP106 2 4 3 1 V CH6 136 0000 MHz Voltage at TP106 5 7 6 7 V CH7 136 0050 MHz Voltage at TP106 1 6 1 9 155 0000 MHz Voltage at TP106 4 1 5 1 V CH9 174 0000 MHz Voltage at TP106 11 0 11 8 CH10 380 0000 MHz Voltage at 106 1 2 1 6 CH11 451 0000 MHz Voltage at TP106 5 7 6 7 V 12 512 0000 MHz Voltage at 106 12 9 13 1 Table
33. h on volume control Replace Defective speaker or EXT SPKR jack Replace the defective parts Defective audio amplifier 1 9 and or associated circuit components Replace the defective components Defective IF amplifier 1 101 and or associated circuit components Replace the defective components Defective functional squelch control and or associated circuit components Replace the defective components Defective Q19 IC1 and or associated circuit Replace the defective parts Sound comes out but display dose not light Volume control MAX Squelch control CCW Does not scan and squelch does not operate Does not scan but squelch operates 3 Tosa Displays incorrectly and or unable to enter correctly when RESET switch is pushed Displays correctly at the time of pro gramming But after scanning it be comes faulty MANUAL select operates but SCAN does not operate 5 1 2 1 2 1 1 2 1 1 Defective LCD or rubber connector Replace the defective parts Defective IC1 and or associated circuit Replace the defective parts Defective 1 101 and or associated circuit components Replace the defective components Defective IC1 and or associated circuit components Replace the defective components Defective IC1 and or associated circuit components Replace the defective components Defective Keyboard and or associated circuit Replace the defectiv
34. iation as Fig 5 is acceptable Select channel 7 and ad just T104 and T106 for maximum RF waveform Check channel 7 through 9 for maximum RF output A slight deviation as Fig 6 is acceptable Select channel 10 and adjust TC101 TC102 and TC104 for maximum RF output Check channel 10 through 12 for maximum out put A slight deviation as Fig 7 is acceptable Ant Jack Scope Notes eUse TP101 for VHF Lo Air and VHF Hi band adjustment 5 Use TP102 for Lo band adjustment Figure 3 5 a 3e S 5 3 E 30 41 005 54 108 00 121 00 136 000 Freq MHz Freq MHz Figure 4 Figure 5 2 5 c 8 E 136 005 155 174 2 Freq MHz Figure 6 Figure 7 Overall Alignment and Sensitivity Measurement Test Instrument Connection OFF VOLUME Control Connect FM signal Readjust TC104 for maximum ON ator to the ANT jack and AC sensitivity SQUELCH Control CCW SSVM to EAR jack across 8 Select channel 10 ohm dummy load Fig 8 OFF VOLUME Control Connect AM signal gener 1 Adjust T109 for maximum ON ator to the ANT jack and AC sensitivity SQUELCH Control CCWISSVM to EAR jack across 8 2 Adjust T110 for minimum Select channel 5 ohm dummy load Fig 9 THD 3 Readjust T107 for maxi mum sensitivity OFF VOLUME Control Same as step 10 Adjust TC106 for maximum ON sensitivity SQUELCH CONTROL CCW Select channel 13 Control Setting R
35. m 152076 82 EN 2222 2223 gu E 8 ES y 857 4310 a 88 8 22 YME leo ST Co 23 2 AN a EA g x 2 als 07 BI Sp E Sat S me gy 38 Ri98 199 x5 esl ne 3 548356 ws 273 85 2 ES 840456 53 E A 8209 100 5 2 6 iU 4 5 2 45446 8205 47k Di L113 stripline on PCB TC406 R803 4 7 0120 N C206 0 004 ge S IN OHMS K 1000 1000000 7 THIS SYMBOL DENOTES VOLTAGES FOR AIRCRAFT BAND OPERATION ES IN uF P uuF 8 THIS SYMBOL DENOTES VOLTAGES FOR HIGH BAND OPERATION ACITOR 9 CO THIS SYMBOL DENOTES VOLTAGES FOR UHF LOM T BAND OPERATION RM 10 THIS SYMBOL DENOTES VOLTAGES FOR UHF HIGH OPERATION 11 RATING OR TYPE NUMBER OF COMPONENT PARTS ARE SUBJECT CHANGE DENOTES DC VOLTAGE WITH 12 USED FOR CANADA VORSION COPYRIGHT 1988 100k V UNDRE FOLLOWING CONDITIONS D 30MHz MANUAL OPERATION NIMUM AND SQUELCH CCH ba CN101 lo 8101 10k 0 R474 100k 0487 100p 3 POWER JACK P CB 4301 LOSIC 57 om _ 28 as 302 39 1 48 cal BATTERIES M x 6 SCHEMATIC DIAGRAM L
36. nnection terminal Resonator connection terminal VDD NC Peep output BAND 6 output BAND 5 output BAND 4 output BAND 3 output BAND 2 or BAND 1 output Prescaler switch Squelch input Zeromatic input Memory R W output Memory CE output Memory 1 1 Memory 1 0 2 Memory 1 03 Memory 1 0 4 Memory address AO Memory address 1 Memory address A2 Memory address A3 Memory address A4 Memory address A5 Memory address A6 Memory address A7 Memory address A8 Memory address A9 Memory address A10 Memory OE output LCD drive power supply LCD drive power supply LCD drive power supply LCD common driver output LCD common driver output LCD common driver output LCD common driver output LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver LCD segment driver NC NC NC LCD bias control PLL latch output Mute output Power control Key input Key input Band switch Serial clock output Low battery input Serial data output Key input HOLD input B Timing output output output output output output outpu
37. ogic Section eT e EEE a B EN EU oo 62 1 Es a eee 1 1 470 amp 2 z 29 50 GD US 052 2 2 60 8 055 400 10 7 t IS 2 7 Te uy 0 ss 5 577 TREGE d 35 872 33 5 046 2502458 68 049 2502712 109 LM386N 1 820 2802712 0 NOTES 1 RESISTANSE VALUES IN OHMS K 1000 M 1000000 1 CD THES SYMBOL DENOTES DC VOLTAGE FOR AIRCRAFT BAND OPERA 2 CAPACITANSE VALUES IN uF P uuF 8 CA THES SYMBOL DENOTES DC VOLTAGE FOR HIGH BAND OPERATION 3 CAPACITOR 9 CITHES SYMBOL DENOTES DC VOLTAGE FOR UHF LOW T BAND OPER 4 M MYLAR CAP 10 C3 THES DENOTES DC VOLTAGE FOR UHF HIGH BAND OPERA 5 NO SUFFIX CERAMIC CAPACITOR 44 RATING OR TYPE NUMBER OF COMPONENT PARTS ARE SUBJECT TO Ct 5 CO THES SYMBOL DENOTES DC VOLTAGE MEASURED WITH DC VOLTMETER 400k UNDER FOLLOWING CONDITONS FOR IMPROVEMENT WITHOUT NOTICE CH 4 LOW BAND AT 30MHz MANUAL OPERATION VOLUME MINIMAUM AND SQUELCH CCW 1 58 SCHEMATIC DIAGRAM Logic Section pa s s ot sii 55 2 sj P41 58 3 Pas 13 Paz 83 pao 2 940 RN2402 UN2111 011 014 RN2202 or UN4111 872 33 1 4H 2
38. or the pre programmed channel memories will be lost and will have to be re programmed The memory backup circuit can hold the programmed channel memories for about one hour even when neither the batteries nor the external power is provided Program CH1 to CH15 as follows Channel Frequency MHz Channel Freguency MHz 1 30 0000 9 174 0000 2 41 0050 10 380 0000 4 108 0000 5 121 0000 6 136 0000 7 15 136 0050 960 0000 Table 1 155 0000 ALIGNMENT PROCEDURES Reference Frequency OSC Alignment Control Setting OFF VOLUME Control ON SQUELCH Control Fully counterclockwise CCW Select Channel 4 IF Section Alignment Control Setting Test Instrument Connection Connect Frequency counter to TP105 through a ceramic capacitor 5 10 pF and GND Figure 1 Test Instrument Connection Note OFF VOLUME control ON SQUELCH Control CCW Adjust Adjust Remarks Adjust TC1 so that the fre quency is 118 700000 MHz 10 Hz Remarks Connect test instruments as shown in Fig 2 T107 T108 Adjust T107 to symmetrize the upper and lower heights of the S curve to be equal and adjust T108 to symmetrize the left and the right of the S curve During alignment maintain the sweep generator output at the lowest level possible to prevent overload ing Figure 1 Figure 2 5 10pF vco TP105 O Unit Under Test Ali
39. p Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Chip Tantalum Tantalum Chip Chip Multilayer Chip Electrolytic Electrolytic Electrolytic Electrolytic Description 0 1 uF 4 7 uF 0 14F 0 047F 0 14F 2204 F 104F 0 1 uF 0 1 uF 220 uF 4 7 uF 0 47 uF 104F 0 001 F 47 UF 0 1 uF 0 001 4F 0 001 4 F 0 001 0 001 F 0 001 uF 2204 F 0 001 4 F 470pF 10pF 0 14F 0 001 47 pF 220 pF 0 001 4 F 47 pF 56 pF 0 1 uF 0 001 4 F 470 pF 220 pF 0 01 4F 220 pF 22 pF 0 0047 y F 56 pF 0 33 F 10 pF O 14F 0 1 uF 0 001 4F 2204 F 2204 F 4 7 104F CAPACITORS 80 20 20 80 20 80 20 80 20 20 20 20 20 20 20 20 20 10 20 20 10 10 10 10 10 20 10 10 0 5pF 80 20 10 10 10 10 10 10 80 20 10 10 10 20 10 10 10 10 20 20 0 5 pF 80 20 80 20 10 20 20 20 20 38 GA 87B 6954 MFR s Part No RPE131F 104250 SMB35V4R7M C3K21N1EF104Z AC206201G473 Z5R5 C3K21N1EF104Z SMT6 3V221M SMB16V100M TSD S 1VOR1M TSD S 1VOR1M SM10V221M SMB35V4R7M SMB50VR47M SMB16V100M C3K21N1HR102K SMB10V470M TSD S 1VOR1M C3K21N1HR102K C3K21N1HR102K C3K21N1HR102K C3K21N1HR102K C3K21N1HR102K SMT6 3V221M C3K21N1HR102K C2C21N1HSL471K C2C21N1HSL100D C3K21N1EF104Z C3K21N1HR102K C2C21N1HSL470K C2C21N1HSL
40. pF C2C21N1HSL330K Chip 33 pF C2C21N1HSL330K Chip 0 001 F C3K21N1HR102K Chip 0 001 F C3K21N1HR102K Electrolytic 104F SMB16V100M Chip 5 pF C2C21N1HSLO50C Chip 0 001 uF C3K21N1HR102K Chip 10 pF C2C21N1HSL100D Chip 5 pF 1 C2C21N1HSLO50C Chip 15 pF C2C21N1HSL150K Chip 47 pF C2C21N1HSL470K Chip 470 pF C2C21N1HSL471K Chip 0 001 4 F C3K21N1HR102K Electrolytic 104F SMB16V100M Chip 0 001 F C3K21N1HR102K 32 Description RS Part No MFR s Part No Chip Chip Chip Chip Chip Chip Chip Chip Chip Electrolytic Chip 0 001 F 50 50 50 50 50 50 50 50 50 16 50 10 0 25 pF 0 25 pF 0 25 pF 10 10 0 5 pF 10 10 20 10 Ceramic Varactor Silicon Varactor Silicon Silicon Varactor Silicon Silicon Silicon Varactor Silicon Varactor Varactor Varactor Silicon Chip Germanium Germanium Germanium Varactor Varactor Silicon Silicon Silicon Varactor Varactor Varactor Varactor Silicon Chip Silicon Chip FILTER CERAMIC DIODES BB609A 15516802 BB609A 15516802 15516802 15V136AU2 18816802 15516802 15516802 1SV136AU2 152076 1SV146U2 1SV146U2 152090 HSM2692 OASOR or 1K261 OASOR or 1K261 OASOR or 1K261 BB609A BB609A 1S2076A 152076 152076 1SV146U2 1SV146U2 15V146U2 15V146U2 HSM2693 DAN202K C3K21N1HR102K C2C21N1HSLO30C C2C21N1HSLO50C C2C21N1HSLOSOC C2C21N1HSL101K C2C21N
41. re C shows 1 8 divided waveform of Figure D IC 1 Pin D Voo 2 Lale 1 320 msec Figure IC 1 Pin Figure B 1 44 0 ler 4 1886 Figure 1 4 psec Voo 4 4 Figure D GENERAL OPERATION OUTLINE Turn power SW on Automatically sets to SCAN mode and starts scanning when the SQ is on When battery voltage drops BATT is indicacated and peep tone sounds from speaker Press RESET SW located at the battery compartment Scan Bank 1 through 10 are displayed If there is any blank scan bank press the number key to light all scan banks and to blink one of them in one after another Press 1 through 9 key Scan Bank 1 through 9 will disappear Press 0 key No response Press 1 through 9 key and 0 key Scan Bank 1 through 9 are displayed except 10 Press SPEED so that Scan speed is changed in two speeds fast or slow Press SPEED so that Scan speed is changed to the other To obtain priority operation in Scan mode press PRI To release priority operation press again Press MANUAL When MANUAL is pressed again the channel advances To select one of 1 through 200 channels push the number key and then push MANUAL To start DIRECT Search press A or key No reaction when the frequency is 000 0000 Press MANUAL
42. ress PRI To start search press or Priority channel will be changed to newly entered channel To call monitor channels press MON Press so that next monitor channel appears To call the monitor channels directly press numeral keys To revert to the previous channel press KEY LOCK switch ON keys unoperate except REMOTE KEY SCAN MAN ALIGNMENT ADJUSTMENT Alignment and Test Point Locations Logic PCB Ic 3 Linear PCB 07 The 106 1104 05 Tco4 TCIOI Tpio2 10102 Arcos Alignment Preparation Test equipment required 1 Oscilloscope O 500 kHz O 50 7 VHF Sweep Generator with variable marker 2 AC SSVM 30 54 MHz 136 005 174 MHz 3 DC SSVM 8 UHF Sweep Generator with variable marker 4 Frequency Counter 200 MHz 380 512 MHz 5 8 ohm dummy load 9 FM Signal Generator 6 Slow Sweep Generator with variable marker 30 54 MHz 136 005 174 MHz 380 512 MHz 10 7 MHz 806 960 MHz Notes Use non metallic tuning tools The test equipment and receiver should be warmed up at least 10 minutes before proceeding to alignment The signal level from the generator should be kept as low as possible to obtain the usable output 6 AA batteries are required to hold the memory when the external power is disconnected Always be sure the batteries are fresh If the low battery indicator lights replace the batteries
43. t output output output output output output output output output output output output output output output output output output output APPENDIX VHF MID Band Alignment for 20 9135 Circuit Revision 1 The following parts should be changed as shown below Lo band Mid band 0 001 uF 33pF 0 001 4F 47 27 15pF 0 001 4 F 39pF BB609A Not used 4LNC 092 4LNC 122 7SSR 278 7SSR 287 7SSR 278 7550 281 2 Add D9 and 012 and remove 011 VCO Alignment Step 1 Step 2 Step 3 Step 4 Step 5 Connect DC SSVM to TP103 and ground Program CH1 2 and 3 as follows 1 68 MHz 2 78 MHz 88 MHz Select channel 3 88 MHz and adjust TC103 for 12 0 on the DC SSVM Select channel 1 68 MHz and adjust T107 for 1 5 V on the DC SSVM Repeat steps 3 and 4 until no improvement is observed The DC SSVM should show as below 68 MHz Voltage of TP103 1 4 1 6 78 MHz Voltage of TP103 6 0 7 0 V 88 MHz Voltage of TP103 11 5 12 5 V RF Amp Alignment Step 1 Step 2 Step 3 Step 4 Connect instruments as shown below Ant Jack Scope Unit Under Test Sweep Generator 68 MHz 88 MHz Program 68 MHz CH1 78 MHz CH2 88 MHz Select Channel 1 68 MHz and adjust T101 and T102 for maximum RF waveform Check the Channels 1 3 one by one for maximum RF waveform Slight deviation as shown below is acceptable
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